Skip Header

You are using a version of browser that may not display all the features of this website. Please consider upgrading your browser.
We will be switching to the new UniProt website on Tuesday, June 28. Please explore and share your feedback. Take me to UniProt BETA

UniProtKB - Q9UKG9 (OCTC_HUMAN)

Entry version 177 (25 May 2022)
Sequence version 2 (07 Jun 2004)
Previous versions | rss
Add a publicationFeedback
Protein

Peroxisomal carnitine O-octanoyltransferase

Gene

CROT

Organism
Homo sapiens (Human)
Status
Reviewed-Annotation score:

Annotation score:5 out of 5

<p>The annotation score provides a heuristic measure of the annotation content of a UniProtKB entry or proteome. This score <strong>cannot</strong> be used as a measure of the accuracy of the annotation as we cannot define the 'correct annotation' for any given protein.<p><a href='/help/annotation_score' target='_top'>More...</a></p>-Experimental evidence at protein leveli <p>This indicates the type of evidence that supports the existence of the protein. Note that the 'protein existence' evidence does not give information on the accuracy or correctness of the sequence(s) displayed.<p><a href='/help/protein_existence' target='_top'>More...</a></p>

<p>This section provides any useful information about the protein, mostly biological knowledge.<p><a href='/help/function_section' target='_top'>More...</a></p>Functioni

Beta-oxidation of fatty acids. The highest activity concerns the C6 to C10 chain length substrate. Converts the end product of pristanic acid beta oxidation, 4,8-dimethylnonanoyl-CoA, to its corresponding carnitine ester.

1 Publication

<p>This subsection of the <a href="http://www.uniprot.org/help/function%5Fsection">Function</a> section describes the catalytic activity of an enzyme, i.e. a chemical reaction that the enzyme catalyzes.<p><a href='/help/catalytic_activity' target='_top'>More...</a></p>Catalytic activityi

<p>This subsection of the <a href="http://www.uniprot.org/help/function%5Fsection">'Function'</a> section describes the metabolic pathway(s) associated with a protein.<p><a href='/help/pathway' target='_top'>More...</a></p>Pathwayi: fatty acid beta-oxidation

This protein is involved in the pathway fatty acid beta-oxidation, which is part of Lipid metabolism.
View all proteins of this organism that are known to be involved in the pathway fatty acid beta-oxidation and in Lipid metabolism.

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/help/function%5Fsection">Function</a> section is used for enzymes and indicates the residues directly involved in catalysis.<p><a href='/help/act_site' target='_top'>More...</a></p>Active sitei327Proton acceptorBy similarity1
<p>This subsection of the <a href="http://www.uniprot.org/help/function%5Fsection">Function</a> section describes the interaction between a single amino acid and another chemical entity. Priority is given to the annotation of physiological ligands.<p><a href='/help/binding' target='_top'>More...</a></p>Binding sitei406Coenzyme ABy similarity1
Binding sitei439CarnitineBy similarity1
Binding sitei441Carnitine; via carbonyl oxygenBy similarity1
Binding sitei452CarnitineBy similarity1

<p>The <a href="http://www.geneontology.org/">Gene Ontology (GO)</a> project provides a set of hierarchical controlled vocabulary split into 3 categories:<p><a href='/help/gene_ontology' target='_top'>More...</a></p>GO - Molecular functioni

Complete GO annotation on QuickGO ...

GO - Biological processi

Complete GO annotation on QuickGO ...

<p>UniProtKB Keywords constitute a <a href="http://www.uniprot.org/keywords">controlled vocabulary</a> with a hierarchical structure. Keywords summarise the content of a UniProtKB entry and facilitate the search for proteins of interest.<p><a href='/help/keywords' target='_top'>More...</a></p>Keywordsi

Molecular functionAcyltransferase, Transferase
Biological processFatty acid metabolism, Lipid metabolism, Transport

Enzyme and pathway databases

BRENDA Comprehensive Enzyme Information System

More...BRENDAi		2.3.1.137, 2681

Pathway Commons web resource for biological pathway data

More...PathwayCommonsi		Q9UKG9

Reactome - a knowledgebase of biological pathways and processes

More...Reactomei		R-HSA-389887, Beta-oxidation of pristanoyl-CoA
R-HSA-9033241, Peroxisomal protein import

SignaLink: a signaling pathway resource with multi-layered regulatory networks

More...SignaLinki		Q9UKG9

UniPathway: a resource for the exploration and annotation of metabolic pathways

More...UniPathwayi		UPA00659

Protein family/group databases

Transport Classification Database

More...TCDBi		4.C.2.1.2, the carnitine o-acyl transferase (carat) family

Chemistry databases

SwissLipids knowledge resource for lipid biology

More...SwissLipidsi		SLP:000001055

<p>This section provides information about the protein and gene name(s) and synonym(s) and about the organism that is the source of the protein sequence.<p><a href='/help/names_and_taxonomy_section' target='_top'>More...</a></p>Names & Taxonomyi

<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">Names and taxonomy</a> section provides an exhaustive list of all names of the protein, from commonly used to obsolete, to allow unambiguous identification of a protein.<p><a href='/help/protein_names' target='_top'>More...</a></p>Protein namesi
Recommended name:
Peroxisomal carnitine O-octanoyltransferase (EC:2.3.1.1371 Publication)
Short name:
COT
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">Names and taxonomy</a> section indicates the name(s) of the gene(s) that code for the protein sequence(s) described in the entry. Four distinct tokens exist: 'Name', 'Synonyms', 'Ordered locus names' and 'ORF names'.<p><a href='/help/gene_name' target='_top'>More...</a></p>Gene namesi
Name:CROT
Synonyms:COT
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">Names and taxonomy</a> section provides information on the name(s) of the organism that is the source of the protein sequence.<p><a href='/help/organism-name' target='_top'>More...</a></p>OrganismiHomo sapiens (Human)
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">Names and taxonomy</a> section shows the unique identifier assigned by the NCBI to the source organism of the protein. This is known as the 'taxonomic identifier' or 'taxid'.<p><a href='/help/taxonomic_identifier' target='_top'>More...</a></p>Taxonomic identifieri9606 [NCBI]
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">Names and taxonomy</a> section contains the taxonomic hierarchical classification lineage of the source organism. It lists the nodes as they appear top-down in the taxonomic tree, with the more general grouping listed first.<p><a href='/help/taxonomic_lineage' target='_top'>More...</a></p>Taxonomic lineageiEukaryota › Metazoa › Chordata › Craniata › Vertebrata › Euteleostomi › Mammalia › Eutheria › Euarchontoglires › Primates › Haplorrhini › Catarrhini › Hominidae › Homo
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">Names and taxonomy</a> section is present for entries that are part of a <a href="http://www.uniprot.org/proteomes">proteome</a>, i.e. of a set of proteins thought to be expressed by organisms whose genomes have been completely sequenced.<p><a href='/help/proteomes_manual' target='_top'>More...</a></p>Proteomesi
  • UP000005640 <p>A UniProt <a href="http://www.uniprot.org/manual/proteomes%5Fmanual">proteome</a> can consist of several components.<br></br>The component name refers to the genomic component encoding a set of proteins.<p><a href='/help/proteome_component' target='_top'>More...</a></p> Componenti: Chromosome 7

Organism-specific databases

Human Gene Nomenclature Database

More...HGNCi		HGNC:2366, CROT

Online Mendelian Inheritance in Man (OMIM)

More...MIMi		606090, gene

neXtProt; the human protein knowledge platform

More...neXtProti		NX_Q9UKG9

Eukaryotic Pathogen, Vector and Host Database Resources

More...VEuPathDBi		HostDB:ENSG00000005469

<p>This section provides information on the location and the topology of the mature protein in the cell.<p><a href='/help/subcellular_location_section' target='_top'>More...</a></p>Subcellular locationi

Keywords - Cellular componenti

Peroxisome

<p>This section provides information on the disease(s) and phenotype(s) associated with a protein.<p><a href='/help/pathology_and_biotech_section' target='_top'>More...</a></p>Pathology & Biotechi

Organism-specific databases

DisGeNET

More...DisGeNETi		54677

Open Targets

More...OpenTargetsi		ENSG00000005469

The Pharmacogenetics and Pharmacogenomics Knowledge Base

More...PharmGKBi		PA26887

Miscellaneous databases

Pharos NIH Druggable Genome Knowledgebase

More...Pharosi		Q9UKG9, Tbio

Chemistry databases

ChEMBL database of bioactive drug-like small molecules

More...ChEMBLi		CHEMBL2206

Drug and drug target database

More...DrugBanki		DB02648, (3-Carboxy-2-(R)-Hydroxy-Propyl)-Trimethyl-Ammonium
DB03832, 3-Carboxy-N,N,N-Trimethyl-2-(Octanoyloxy)Propan-1-Aminium
DB00583, Levocarnitine

Genetic variation databases

BioMuta curated single-nucleotide variation and disease association database

More...BioMutai		CROT

Domain mapping of disease mutations (DMDM)

More...DMDMi		48429265

<p>This section describes post-translational modifications (PTMs) and/or processing events.<p><a href='/help/ptm_processing_section' target='_top'>More...</a></p>PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the 'PTM / Processing' section describes the extent of a polypeptide chain in the mature protein following processing or proteolytic cleavage.<p><a href='/help/chain' target='_top'>More...</a></p>ChainiPRO_00002101691 – 612Peroxisomal carnitine O-octanoyltransferaseAdd BLAST612

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the 'PTM / Processing' section specifies the position and type of each modified residue excluding <a href="http://www.uniprot.org/manual/lipid">lipids</a>, <a href="http://www.uniprot.org/manual/carbohyd">glycans</a> and <a href="http://www.uniprot.org/manual/crosslnk">protein cross-links</a>.<p><a href='/help/mod_res' target='_top'>More...</a></p>Modified residuei1N-acetylmethionineCombined sources1
Modified residuei40N6-succinyllysineBy similarity1
Modified residuei57N6-succinyllysineBy similarity1
Modified residuei406N6-acetyllysine; alternateBy similarity1
Modified residuei406N6-succinyllysine; alternateBy similarity1

Keywords - PTMi

Acetylation

Proteomic databases

Encyclopedia of Proteome Dynamics

More...EPDi		Q9UKG9

jPOST - Japan Proteome Standard Repository/Database

More...jPOSTi		Q9UKG9

MassIVE - Mass Spectrometry Interactive Virtual Environment

More...MassIVEi		Q9UKG9

MaxQB - The MaxQuant DataBase

More...MaxQBi		Q9UKG9

PaxDb, a database of protein abundance averages across all three domains of life

More...PaxDbi		Q9UKG9

PeptideAtlas

More...PeptideAtlasi		Q9UKG9

PRoteomics IDEntifications database

More...PRIDEi		Q9UKG9

ProteomicsDB: a multi-organism proteome resource

More...ProteomicsDBi		17560
69947
84787 [Q9UKG9-1]

PTM databases

iPTMnet integrated resource for PTMs in systems biology context

More...iPTMneti		Q9UKG9

MetOSite database of methionine sulfoxide sites

More...MetOSitei		Q9UKG9

Comprehensive resource for the study of protein post-translational modifications (PTMs) in human, mouse and rat.

More...PhosphoSitePlusi		Q9UKG9

<p>This section provides information on the expression of a gene at the mRNA or protein level in cells or in tissues of multicellular organisms.<p><a href='/help/expression_section' target='_top'>More...</a></p>Expressioni

Gene expression databases

Bgee dataBase for Gene Expression Evolution

More...Bgeei		ENSG00000005469, Expressed in placenta and 239 other tissues

ExpressionAtlas, Differential and Baseline Expression

More...ExpressionAtlasi		Q9UKG9, baseline and differential

Genevisible search portal to normalized and curated expression data from Genevestigator

More...Genevisiblei		Q9UKG9, HS

Organism-specific databases

Human Protein Atlas

More...HPAi		ENSG00000005469, Low tissue specificity

<p>This section provides information on the quaternary structure of a protein and on interaction(s) with other proteins or protein complexes.<p><a href='/help/interaction_section' target='_top'>More...</a></p>Interactioni

<p>This subsection of the <a href="http://www.uniprot.org/help/interaction%5Fsection">'Interaction'</a> section provides information about the protein quaternary structure and interaction(s) with other proteins or protein complexes (with the exception of physiological receptor-ligand interactions which are annotated in the <a href="http://www.uniprot.org/help/function%5Fsection">'Function'</a> section).<p><a href='/help/subunit_structure' target='_top'>More...</a></p>Subunit structurei

Monomer.

1 Publication

<p>This subsection of the '<a href="http://www.uniprot.org/help/interaction%5Fsection">Interaction</a>' section provides information about binary protein-protein interactions. The data presented in this section are a quality-filtered subset of binary interactions automatically derived from the <a href="https://www.ebi.ac.uk/intact/">IntAct database</a>. It is updated at every <a href="http://www.uniprot.org/help/synchronization">UniProt release</a>.<p><a href='/help/binary_interactions' target='_top'>More...</a></p>Binary interactionsi

Hide details

Protein-protein interaction databases

The Biological General Repository for Interaction Datasets (BioGRID)

More...BioGRIDi		120098, 14 interactors

Protein interaction database and analysis system

More...IntActi		Q9UKG9, 14 interactors

STRING: functional protein association networks

More...STRINGi		9606.ENSP00000413575

Chemistry databases

BindingDB database of measured binding affinities

More...BindingDBi		Q9UKG9

Miscellaneous databases

RNAct, Protein-RNA interaction predictions for model organisms.

More...RNActi		Q9UKG9, protein

<p>This section provides information on the tertiary and secondary structure of a protein.<p><a href='/help/structure_section' target='_top'>More...</a></p>Structurei

3D structure databases

AlphaFold Protein Structure Database

More...AlphaFoldDBi		Q9UKG9

SWISS-MODEL Repository - a database of annotated 3D protein structure models

More...SMRi		Q9UKG9

Database of comparative protein structure models

More...ModBasei		Search...

<p>This section provides information on sequence similarities with other proteins and the domain(s) present in a protein.<p><a href='/help/family_and_domains_section' target='_top'>More...</a></p>Family & Domainsi

Region

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the 'Family and Domains' section describes a region of interest that cannot be described in other subsections.<p><a href='/help/region' target='_top'>More...</a></p>Regioni410 – 417Coenzyme A bindingBy similarity8

Motif

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the 'Family and Domains' section describes a short (usually not more than 20 amino acids) conserved sequence motif of biological significance.<p><a href='/help/motif' target='_top'>More...</a></p>Motifi610 – 612Microbody targeting signalSequence analysis3

<p>This subsection of the 'Family and domains' section provides information about the sequence similarity with other proteins.<p><a href='/help/sequence_similarities' target='_top'>More...</a></p>Sequence similaritiesi

Belongs to the carnitine/choline acetyltransferase family.Curated

Phylogenomic databases

evolutionary genealogy of genes: Non-supervised Orthologous Groups

More...eggNOGi		KOG3718, Eukaryota

Ensembl GeneTree

More...GeneTreei		ENSGT01040000240407

The HOGENOM Database of Homologous Genes from Fully Sequenced Organisms

More...HOGENOMi		CLU_2482687_0_0_1

InParanoid: Eukaryotic Ortholog Groups

More...InParanoidi		Q9UKG9

Identification of Orthologs from Complete Genome Data

More...OMAi		DVWAKDY

Database of Orthologous Groups

More...OrthoDBi		559299at2759

Database for complete collections of gene phylogenies

More...PhylomeDBi		Q9UKG9

TreeFam database of animal gene trees

More...TreeFami		TF313836

Family and domain databases

Gene3D Structural and Functional Annotation of Protein Families

More...Gene3Di		1.10.275.20, 1 hit
3.30.559.10, 1 hit
3.30.559.70, 1 hit

Integrated resource of protein families, domains and functional sites

More...InterProi		View protein in InterPro
IPR000542, Carn_acyl_trans
IPR042572, Carn_acyl_trans_N
IPR023213, CAT-like_dom_sf
IPR039551, Cho/carn_acyl_trans
IPR042231, Cho/carn_acyl_trans_2

The PANTHER Classification System

More...PANTHERi		PTHR22589, PTHR22589, 1 hit

Pfam protein domain database

More...Pfami		View protein in Pfam
PF00755, Carn_acyltransf, 1 hit

PROSITE; a protein domain and family database

More...PROSITEi		View protein in PROSITE
PS00439, ACYLTRANSF_C_1, 1 hit
PS00440, ACYLTRANSF_C_2, 1 hit

<p>This section displays by default the canonical protein sequence and upon request all isoforms described in the entry. It also includes information pertinent to the sequence(s), including <a href="http://www.uniprot.org/help/sequence%5Flength">length</a> and <a href="http://www.uniprot.org/help/sequences">molecular weight</a>. The information is filed in different subsections. The current subsections and their content are listed below:<p><a href='/help/sequences_section' target='_top'>More...</a></p>Sequences (3+)i

<p>This subsection of the <a href="http://www.uniprot.org/help/sequences%5Fsection">Sequence</a> section indicates if the <a href="http://www.uniprot.org/help/canonical%5Fand%5Fisoforms">canonical sequence</a> displayed by default in the entry is complete or not.<p><a href='/help/sequence_status' target='_top'>More...</a></p>Sequence statusi: Complete.

This entry describes 3 <p>This subsection of the 'Sequence' section lists the alternative protein sequences (isoforms) that can be generated from the same gene by a single or by the combination of up to four biological events (alternative promoter usage, alternative splicing, alternative initiation and ribosomal frameshifting). Additionally, this section gives relevant information on each alternative protein isoform.<p><a href='/help/alternative_products' target='_top'>More...</a></p> isoformsi produced by alternative splicing. AlignAdd to basket

This entry has 3 described isoforms and 1 potential isoform that is computationally mapped.Show allAlign All

Isoform 1 (identifier: Q9UKG9-1) [UniParc]FASTAAdd to basket

This isoform has been chosen as the <p><strong>What is the canonical sequence?</strong><p><a href='/help/canonical_and_isoforms' target='_top'>More...</a></p>canonicali sequence. All positional information in this entry refers to it. This is also the sequence that appears in the downloadable versions of the entry.

« Hide
        10         20         30         40         50
MENQLAKSTE ERTFQYQDSL PSLPVPSLEE SLKKYLESVK PFANQEEYKK 
        60         70         80         90        100
TEEIVQKFQS GIGEKLHQKL LERAKGKRNW LEEWWLNVAY LDVRIPSQLN 
       110        120        130        140        150
VNFAGPAAHF EHYWPPKEGT QLERGSITLW HNLNYWQLLR KEKVPVHKVG 
       160        170        180        190        200
NTPLDMNQFR MLFSTCKVPG ITRDSIMNYF RTESEGRSPN HIVVLCRGRA 
       210        220        230        240        250
FVFDVIHEGC LVTPPELLRQ LTYIHKKCHS EPDGPGIAAL TSEERTRWAK 
       260        270        280        290        300
AREYLIGLDP ENLALLEKIQ SSLLVYSMED SSPHVTPEDY SEIIAAILIG 
       310        320        330        340        350
DPTVRWGDKS YNLISFSNGV FGCNCDHAPF DAMIMVNISY YVDEKIFQNE 
       360        370        380        390        400
GRWKGSEKVR DIPLPEELIF IVDEKVLNDI NQAKAQYLRE ASDLQIAAYA 
       410        420        430        440        450
FTSFGKKLTK NKMLHPDTFI QLALQLAYYR LHGHPGCCYE TAMTRHFYHG 
       460        470        480        490        500
RTETMRSCTV EAVRWCQSMQ DPSVNLRERQ QKMLQAFAKH NKMMKDCSAG 
       510        520        530        540        550
KGFDRHLLGL LLIAKEEGLP VPELFTDPLF SKSGGGGNFV LSTSLVGYLR 
       560        570        580        590        600
VQGVVVPMVH NGYGFFYHIR DDRFVVACSA WKSCPETDAE KLVQLTFCAF 
       610 
HDMIQLMNST HL
Length:612
Mass (Da):70,178
Last modified:June 7, 2004 - v2
<p>The checksum is a form of redundancy check that is calculated from the sequence. It is useful for tracking sequence updates.</p> <p>It should be noted that while, in theory, two different sequences could have the same checksum value, the likelihood that this would happen is extremely low.</p> <p>However UniProtKB may contain entries with identical sequences in case of multiple genes (paralogs).</p> <p>The checksum is computed as the sequence 64-bit Cyclic Redundancy Check value (CRC64) using the generator polynomial: x<sup>64</sup> + x<sup>4</sup> + x<sup>3</sup> + x + 1. The algorithm is described in the ISO 3309 standard. </p> <p class="publication">Press W.H., Flannery B.P., Teukolsky S.A. and Vetterling W.T.<br /> <strong>Cyclic redundancy and other checksums</strong><br /> <a href="http://www.nrbook.com/b/bookcpdf.php">Numerical recipes in C 2nd ed., pp896-902, Cambridge University Press (1993)</a>)</p> Checksum:iBFC4E0A09B191038
GO
Isoform 2 (identifier: Q9UKG9-2) [UniParc]FASTAAdd to basket

The sequence of this isoform differs from the canonical sequence as follows:
     81-87: LEEWWLN → VFVVIIE
     88-612: Missing.

Show »
Length:87
Mass (Da):10,214
Checksum:i9806EC31C962CE35
GO
Isoform 3 (identifier: Q9UKG9-3) [UniParc]FASTAAdd to basket

The sequence of this isoform differs from the canonical sequence as follows:
     38-38: S → SVTRTCYQIRGLDPDAKRGFLDLTREGIQ

Show »
Length:640
Mass (Da):73,383
Checksum:i3215B8DD2DBB1F65
GO

<p>In eukaryotic reference proteomes, unreviewed entries that are likely to belong to the same gene are computationally mapped, based on gene identifiers from Ensembl, EnsemblGenomes and model organism databases.<p><a href='/help/gene_centric_isoform_mapping' target='_top'>More...</a></p>Computationally mapped potential isoform sequencesi

There is 1 potential isoform mapped to this entry.BLASTAlignShow allAdd to basket
EntryEntry nameProtein names
Gene namesLengthAnnotation
C9J3D7C9J3D7_HUMAN
Peroxisomal carnitine O-octanoyltra...
CROT
574Annotation score:

Annotation score:2 out of 5

<p>The annotation score provides a heuristic measure of the annotation content of a UniProtKB entry or proteome. This score <strong>cannot</strong> be used as a measure of the accuracy of the annotation as we cannot define the 'correct annotation' for any given protein.<p><a href='/help/annotation_score' target='_top'>More...</a></p>

Experimental Info

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the 'Sequence' section reports difference(s) between the canonical sequence (displayed by default in the entry) and the different sequence submissions merged in the entry. These various submissions may originate from different sequencing projects, different types of experiments, or different biological samples. Sequence conflicts are usually of unknown origin.<p><a href='/help/conflict' target='_top'>More...</a></p>Sequence conflicti144V → L in AAF03234 (PubMed:10486279).Curated1
Sequence conflicti168V → G in AAD41654 (Ref. 2) Curated1

Natural variant

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the 'Sequence' section describes natural variant(s) of the protein sequence.<p><a href='/help/variant' target='_top'>More...</a></p>Natural variantiVAR_04861294R → H. Corresponds to variant dbSNP:rs3827653Ensembl.1
Natural variantiVAR_048613474V → L. Corresponds to variant dbSNP:rs7785206Ensembl.1

Alternative sequence

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the 'Sequence' section describes the sequence of naturally occurring alternative protein isoform(s). The changes in the amino acid sequence may be due to alternative splicing, alternative promoter usage, alternative initiation, or ribosomal frameshifting.<p><a href='/help/var_seq' target='_top'>More...</a></p>Alternative sequenceiVSP_04695338S → SVTRTCYQIRGLDPDAKRGF LDLTREGIQ in isoform 3. Curated1
Alternative sequenceiVSP_04521381 – 87LEEWWLN → VFVVIIE in isoform 2. 1 Publication7
Alternative sequenceiVSP_04521488 – 612Missing in isoform 2. 1 PublicationAdd BLAST525

Sequence databases

Select the link destinations:

EMBL nucleotide sequence database

More...EMBLi

GenBank nucleotide sequence database

More...GenBanki

DNA Data Bank of Japan; a nucleotide sequence database

More...DDBJi
Links Updated
AF168793 mRNA Translation: AAF03234.1
AF073770 mRNA Translation: AAD41654.1
AC005045 Genomic DNA No translation available.
CH236949 Genomic DNA Translation: EAL24177.1
CH471091 Genomic DNA Translation: EAW76954.1
BC039004 mRNA Translation: AAH39004.1
BC051874 mRNA Translation: AAH51874.1

The Consensus CDS (CCDS) project

More...CCDSi		CCDS47634.1 [Q9UKG9-3]
CCDS5604.1 [Q9UKG9-1]
CCDS59062.1 [Q9UKG9-2]

Protein sequence database of the Protein Information Resource

More...PIRi		JC7101

NCBI Reference Sequences

More...RefSeqi		NP_001137407.1, NM_001143935.1 [Q9UKG9-3]
NP_001230674.1, NM_001243745.1 [Q9UKG9-2]
NP_066974.2, NM_021151.3 [Q9UKG9-1]

Genome annotation databases

Ensembl eukaryotic genome annotation project

More...Ensembli		ENST00000331536.8; ENSP00000331981.4; ENSG00000005469.12
ENST00000412227.6; ENSP00000404867.2; ENSG00000005469.12 [Q9UKG9-2]
ENST00000419147.6; ENSP00000413575.2; ENSG00000005469.12 [Q9UKG9-3]

Database of genes from NCBI RefSeq genomes

More...GeneIDi		54677

KEGG: Kyoto Encyclopedia of Genes and Genomes

More...KEGGi		hsa:54677

Matched Annotation from NCBI and EMBL-EBI (MANE) - Phase one

More...MANE-Selecti		ENST00000331536.8; ENSP00000331981.4; NM_021151.4; NP_066974.2

UCSC genome browser

More...UCSCi		uc003uis.4, human [Q9UKG9-1]

Keywords - Coding sequence diversityi

Alternative splicing

<p>This section provides links to proteins that are similar to the protein sequence(s) described in this entry at different levels of sequence identity thresholds (100%, 90% and 50%) based on their membership in UniProt Reference Clusters (<a href="http://www.uniprot.org/help/uniref">UniRef</a>).<p><a href='/help/similar_proteins_section' target='_top'>More...</a></p>Similar proteinsi

<p>This section is used to point to information related to entries and found in data collections other than UniProtKB.<p><a href='/help/cross_references_section' target='_top'>More...</a></p>Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
AF168793 mRNA Translation: AAF03234.1
AF073770 mRNA Translation: AAD41654.1
AC005045 Genomic DNA No translation available.
CH236949 Genomic DNA Translation: EAL24177.1
CH471091 Genomic DNA Translation: EAW76954.1
BC039004 mRNA Translation: AAH39004.1
BC051874 mRNA Translation: AAH51874.1
CCDSiCCDS47634.1 [Q9UKG9-3]
CCDS5604.1 [Q9UKG9-1]
CCDS59062.1 [Q9UKG9-2]
PIRiJC7101
RefSeqiNP_001137407.1, NM_001143935.1 [Q9UKG9-3]
NP_001230674.1, NM_001243745.1 [Q9UKG9-2]
NP_066974.2, NM_021151.3 [Q9UKG9-1]

3D structure databases

AlphaFoldDBiQ9UKG9
SMRiQ9UKG9
ModBaseiSearch...

Protein-protein interaction databases

BioGRIDi120098, 14 interactors
IntActiQ9UKG9, 14 interactors
STRINGi9606.ENSP00000413575

Chemistry databases

BindingDBiQ9UKG9
ChEMBLiCHEMBL2206
DrugBankiDB02648, (3-Carboxy-2-(R)-Hydroxy-Propyl)-Trimethyl-Ammonium
DB03832, 3-Carboxy-N,N,N-Trimethyl-2-(Octanoyloxy)Propan-1-Aminium
DB00583, Levocarnitine
SwissLipidsiSLP:000001055

Protein family/group databases

TCDBi4.C.2.1.2, the carnitine o-acyl transferase (carat) family

PTM databases

iPTMnetiQ9UKG9
MetOSiteiQ9UKG9
PhosphoSitePlusiQ9UKG9

Genetic variation databases

BioMutaiCROT
DMDMi48429265

Proteomic databases

EPDiQ9UKG9
jPOSTiQ9UKG9
MassIVEiQ9UKG9
MaxQBiQ9UKG9
PaxDbiQ9UKG9
PeptideAtlasiQ9UKG9
PRIDEiQ9UKG9
ProteomicsDBi17560
69947
84787 [Q9UKG9-1]

Protocols and materials databases

Antibodypedia a portal for validated antibodies

More...Antibodypediai		15286, 344 antibodies from 34 providers

The DNASU plasmid repository

More...DNASUi		54677

Genome annotation databases

EnsembliENST00000331536.8; ENSP00000331981.4; ENSG00000005469.12
ENST00000412227.6; ENSP00000404867.2; ENSG00000005469.12 [Q9UKG9-2]
ENST00000419147.6; ENSP00000413575.2; ENSG00000005469.12 [Q9UKG9-3]
GeneIDi54677
KEGGihsa:54677
MANE-SelectiENST00000331536.8; ENSP00000331981.4; NM_021151.4; NP_066974.2
UCSCiuc003uis.4, human [Q9UKG9-1]

Organism-specific databases

Comparative Toxicogenomics Database

More...CTDi		54677
DisGeNETi54677

GeneCards: human genes, protein and diseases

More...GeneCardsi		CROT
HGNCiHGNC:2366, CROT
HPAiENSG00000005469, Low tissue specificity
MIMi606090, gene
neXtProtiNX_Q9UKG9
OpenTargetsiENSG00000005469
PharmGKBiPA26887
VEuPathDBiHostDB:ENSG00000005469

GenAtlas: human gene database

More...GenAtlasi		Search...

Phylogenomic databases

eggNOGiKOG3718, Eukaryota
GeneTreeiENSGT01040000240407
HOGENOMiCLU_2482687_0_0_1
InParanoidiQ9UKG9
OMAiDVWAKDY
OrthoDBi559299at2759
PhylomeDBiQ9UKG9
TreeFamiTF313836

Enzyme and pathway databases

UniPathwayiUPA00659
BRENDAi2.3.1.137, 2681
PathwayCommonsiQ9UKG9
ReactomeiR-HSA-389887, Beta-oxidation of pristanoyl-CoA
R-HSA-9033241, Peroxisomal protein import
SignaLinkiQ9UKG9

Miscellaneous databases

BioGRID ORCS database of CRISPR phenotype screens

More...BioGRID-ORCSi		54677, 13 hits in 1084 CRISPR screens

ChiTaRS: a database of human, mouse and fruit fly chimeric transcripts and RNA-sequencing data

More...ChiTaRSi		CROT, human

The Gene Wiki collection of pages on human genes and proteins

More...GeneWikii		CROT_(gene)

Database of phenotypes from RNA interference screens in Drosophila and Homo sapiens

More...GenomeRNAii		54677
PharosiQ9UKG9, Tbio

Protein Ontology

More...PROi		PR:Q9UKG9
RNActiQ9UKG9, protein

The Stanford Online Universal Resource for Clones and ESTs

More...SOURCEi		Search...

Gene expression databases

BgeeiENSG00000005469, Expressed in placenta and 239 other tissues
ExpressionAtlasiQ9UKG9, baseline and differential
GenevisibleiQ9UKG9, HS

Family and domain databases

Gene3Di1.10.275.20, 1 hit
3.30.559.10, 1 hit
3.30.559.70, 1 hit
InterProiView protein in InterPro
IPR000542, Carn_acyl_trans
IPR042572, Carn_acyl_trans_N
IPR023213, CAT-like_dom_sf
IPR039551, Cho/carn_acyl_trans
IPR042231, Cho/carn_acyl_trans_2
PANTHERiPTHR22589, PTHR22589, 1 hit
PfamiView protein in Pfam
PF00755, Carn_acyltransf, 1 hit
PROSITEiView protein in PROSITE
PS00439, ACYLTRANSF_C_1, 1 hit
PS00440, ACYLTRANSF_C_2, 1 hit

MobiDB: a database of protein disorder and mobility annotations

More...MobiDBi		Search...

<p>This section provides general information on the entry.<p><a href='/help/entry_information_section' target='_top'>More...</a></p>Entry informationi

<p>This subsection of the 'Entry information' section provides a mnemonic identifier for a UniProtKB entry, but it is not a stable identifier. Each reviewed entry is assigned a unique entry name upon integration into UniProtKB/Swiss-Prot.<p><a href='/help/entry_name' target='_top'>More...</a></p>Entry nameiOCTC_HUMAN
<p>This subsection of the 'Entry information' section provides one or more accession number(s). These are stable identifiers and should be used to cite UniProtKB entries. Upon integration into UniProtKB, each entry is assigned a unique accession number, which is called 'Primary (citable) accession number'.<p><a href='/help/accession_numbers' target='_top'>More...</a></p>AccessioniPrimary (citable) accession number: Q9UKG9
Secondary accession number(s): A4D1D6
, E7EQF2, Q86V17, Q8IUW9, Q9Y6I2
<p>This subsection of the 'Entry information' section shows the date of integration of the entry into UniProtKB, the date of the last sequence update and the date of the last annotation modification ('Last modified'). The version number for both the entry and the <a href="http://www.uniprot.org/help/canonical%5Fand%5Fisoforms">canonical sequence</a> are also displayed.<p><a href='/help/entry_history' target='_top'>More...</a></p>Entry historyiIntegrated into UniProtKB/Swiss-Prot: January 11, 2001
Last sequence update: June 7, 2004
Last modified: May 25, 2022
This is version 177 of the entry and version 2 of the sequence. See complete history.
<p>This subsection of the 'Entry information' section indicates whether the entry has been manually annotated and reviewed by UniProtKB curators or not, in other words, if the entry belongs to the Swiss-Prot section of UniProtKB (<strong>reviewed</strong>) or to the computer-annotated TrEMBL section (<strong>unreviewed</strong>).<p><a href='/help/entry_status' target='_top'>More...</a></p>Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programChordata Protein Annotation Program
DisclaimerAny medical or genetic information present in this entry is provided for research, educational and informational purposes only. It is not in any way intended to be used as a substitute for professional medical advice, diagnosis, treatment or care.

<p>This section contains any relevant information that doesn't fit in any other defined sections<p><a href='/help/miscellaneous_section' target='_top'>More...</a></p>Miscellaneousi

Keywords - Technical termi

Reference proteome

Documents

  1. Human chromosome 7
    Human chromosome 7: entries, gene names and cross-references to MIM
  2. Human entries with genetic variants
    List of human entries with genetic variants
  3. Human variants curated from literature reports
    Index of human variants curated from literature reports
  4. MIM cross-references
    Online Mendelian Inheritance in Man (MIM) cross-references in UniProtKB/Swiss-Prot
  5. PATHWAY comments
    Index of metabolic and biosynthesis pathways
  6. SIMILARITY comments
    Index of protein domains and families
UniProt is an ELIXIR core data resource
Main funding by: National Institutes of Health

We'd like to inform you that we have updated our Privacy Notice to comply with Europe’s new General Data Protection Regulation (GDPR) that applies since 25 May 2018.

Do not show this banner again