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Entry version 111 (11 Dec 2019)
Sequence version 1 (01 Nov 1997)
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Protein

Fatty acid-binding protein homolog 2

Gene

lbp-2

Organism
Caenorhabditis elegans
Status
Reviewed-Annotation score:

Annotation score:3 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

May play a role in sequestering potentially toxic fatty acids and their peroxidation products, or it may be involved in the maintenance of the impermeable lipid layer of the eggshell.1 Publication

<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

<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

Biological processTransport
LigandLipid-binding

<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_and_taxonomy_section">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:
Fatty acid-binding protein homolog 2
Alternative name(s):
Lipid-binding protein 2
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">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:lbp-2
ORF Names:F40F4.2
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">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>OrganismiCaenorhabditis elegans
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">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 identifieri6239 [NCBI]
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">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 lineageiEukaryotaMetazoaEcdysozoaNematodaChromadoreaRhabditidaRhabditinaRhabditomorphaRhabditoideaRhabditidaePeloderinaeCaenorhabditis
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">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
  • UP000001940 <p>A UniProt <a href="http://www.uniprot.org/manual/proteomes_manual">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 X

Organism-specific databases

WormBase

More...
WormBasei
F40F4.2 ; CE04532 ; WBGene00002254 ; lbp-2

<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

Extracellular region or secreted Cytosol Plasma membrane Cytoskeleton Lysosome Endosome Peroxisome ER Golgi apparatus Nucleus Mitochondrion Manual annotation Automatic computational assertionGraphics by Christian Stolte & Seán O’Donoghue; Source: COMPARTMENTS

Keywords - Cellular componenti

Secreted

<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 denotes the presence of an N-terminal signal peptide.<p><a href='/help/signal' target='_top'>More...</a></p>Signal peptidei1 – 191 PublicationAdd BLAST19
<p>This subsection of the ‘PTM / Processing’ section describes the extent of a polypeptide chain in the mature protein following processing.<p><a href='/help/chain' target='_top'>More...</a></p>ChainiPRO_000000873820 – 161Fatty acid-binding protein homolog 2Add BLAST142

Proteomic databases

Encyclopedia of Proteome Dynamics

More...
EPDi
Q20224

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

More...
PaxDbi
Q20224

PeptideAtlas

More...
PeptideAtlasi
Q20224

PRoteomics IDEntifications database

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PRIDEi
Q20224

<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
WBGene00002254 Expressed in 5 organ(s), highest expression level in adult organism

<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

Protein-protein interaction databases

The Biological General Repository for Interaction Datasets (BioGrid)

More...
BioGridi
45558, 41 interactors

Protein interaction database and analysis system

More...
IntActi
Q20224, 1 interactor

STRING: functional protein association networks

More...
STRINGi
6239.F40F4.2.2

<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

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

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SMRi
Q20224

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

<p>This subsection of the ‘Family and domains’ section provides general information on the biological role of a domain. The term ‘domain’ is intended here in its wide acceptation, it may be a structural domain, a transmembrane region or a functional domain. Several domains are described in this subsection.<p><a href='/help/domain_cc' target='_top'>More...</a></p>Domaini

Forms a beta-barrel structure that accommodates hydrophobic ligands in its interior.By similarity

<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

Keywords - Domaini

Signal

Phylogenomic databases

evolutionary genealogy of genes: Non-supervised Orthologous Groups

More...
eggNOGi
KOG4015 Eukaryota
ENOG4111US8 LUCA

Ensembl GeneTree

More...
GeneTreei
ENSGT00390000007345

The HOGENOM Database of Homologous Genes from Fully Sequenced Organisms

More...
HOGENOMi
HOG000021855

InParanoid: Eukaryotic Ortholog Groups

More...
InParanoidi
Q20224

Identification of Orthologs from Complete Genome Data

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OMAi
EYNTIVA

Database of Orthologous Groups

More...
OrthoDBi
1520038at2759

Database for complete collections of gene phylogenies

More...
PhylomeDBi
Q20224

Family and domain databases

Gene3D Structural and Functional Annotation of Protein Families

More...
Gene3Di
2.40.128.20, 1 hit

Integrated resource of protein families, domains and functional sites

More...
InterProi
View protein in InterPro
IPR012674 Calycin
IPR000463 Fatty_acid-bd
IPR040094 Lbp1-4

The PANTHER Classification System

More...
PANTHERi
PTHR22725 PTHR22725, 1 hit

Protein Motif fingerprint database; a protein domain database

More...
PRINTSi
PR00178 FATTYACIDBP

Superfamily database of structural and functional annotation

More...
SUPFAMi
SSF50814 SSF50814, 1 hit

PROSITE; a protein domain and family database

More...
PROSITEi
View protein in PROSITE
PS00214 FABP, 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_length">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>Sequencei

<p>This subsection of the <a href="http://www.uniprot.org/help/sequences_section">Sequence</a> section indicates if the <a href="http://www.uniprot.org/help/canonical_and_isoforms">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.

<p>This subsection of the <a href="http://www.uniprot.org/help/sequences_section">Sequence</a> section indicates if the <a href="http://www.uniprot.org/help/canonical_and_isoforms">canonical sequence</a> displayed by default in the entry is in its mature form or if it represents the precursor.<p><a href='/help/sequence_processing' target='_top'>More...</a></p>Sequence processingi: The displayed sequence is further processed into a mature form.

Q20224-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MSSKFLILLA FCGATLVAAE QLPEKFYGTF DLDHSENFDE YLTAKGYGWF
60 70 80 90 100
TRKLVTFATF KKVFAKNANK NLFDYSNLTS KKDVFYKNVQ IGSKFEGEGL
110 120 130 140 150
DNTKHEVTFT LKDGHLFEHH KPLEEGESKE ETYEYYFDGD FLIQKMSFNN
160
IEGRRFYKRL P
Length:161
Mass (Da):18,843
Last modified:November 1, 1997 - v1
<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:i0A00AAD416C69879
GO

Sequence databases

Select the link destinations:

EMBL nucleotide sequence database

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EMBLi

GenBank nucleotide sequence database

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GenBanki

DNA Data Bank of Japan; a nucleotide sequence database

More...
DDBJi
Links Updated
FO081243 Genomic DNA Translation: CCD70141.1

Protein sequence database of the Protein Information Resource

More...
PIRi
T16310

NCBI Reference Sequences

More...
RefSeqi
NP_508558.1, NM_076157.7

Genome annotation databases

Ensembl metazoan genome annotation project

More...
EnsemblMetazoai
F40F4.2.1; F40F4.2.1; WBGene00002254
F40F4.2.2; F40F4.2.2; WBGene00002254

Database of genes from NCBI RefSeq genomes

More...
GeneIDi
180617

KEGG: Kyoto Encyclopedia of Genes and Genomes

More...
KEGGi
cel:CELE_F40F4.2

UCSC genome browser

More...
UCSCi
F40F4.2.1 c. elegans

<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
FO081243 Genomic DNA Translation: CCD70141.1
PIRiT16310
RefSeqiNP_508558.1, NM_076157.7

3D structure databases

SMRiQ20224
ModBaseiSearch...

Protein-protein interaction databases

BioGridi45558, 41 interactors
IntActiQ20224, 1 interactor
STRINGi6239.F40F4.2.2

Proteomic databases

EPDiQ20224
PaxDbiQ20224
PeptideAtlasiQ20224
PRIDEiQ20224

Genome annotation databases

EnsemblMetazoaiF40F4.2.1; F40F4.2.1; WBGene00002254
F40F4.2.2; F40F4.2.2; WBGene00002254
GeneIDi180617
KEGGicel:CELE_F40F4.2
UCSCiF40F4.2.1 c. elegans

Organism-specific databases

Comparative Toxicogenomics Database

More...
CTDi
180617
WormBaseiF40F4.2 ; CE04532 ; WBGene00002254 ; lbp-2

Phylogenomic databases

eggNOGiKOG4015 Eukaryota
ENOG4111US8 LUCA
GeneTreeiENSGT00390000007345
HOGENOMiHOG000021855
InParanoidiQ20224
OMAiEYNTIVA
OrthoDBi1520038at2759
PhylomeDBiQ20224

Miscellaneous databases

Protein Ontology

More...
PROi
PR:Q20224

Gene expression databases

BgeeiWBGene00002254 Expressed in 5 organ(s), highest expression level in adult organism

Family and domain databases

Gene3Di2.40.128.20, 1 hit
InterProiView protein in InterPro
IPR012674 Calycin
IPR000463 Fatty_acid-bd
IPR040094 Lbp1-4
PANTHERiPTHR22725 PTHR22725, 1 hit
PRINTSiPR00178 FATTYACIDBP
SUPFAMiSSF50814 SSF50814, 1 hit
PROSITEiView protein in PROSITE
PS00214 FABP, 1 hit

ProtoNet; Automatic hierarchical classification of proteins

More...
ProtoNeti
Search...

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 nameiFABP2_CAEEL
<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: Q20224
<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_and_isoforms">canonical sequence</a> are also displayed.<p><a href='/help/entry_history' target='_top'>More...</a></p>Entry historyiIntegrated into UniProtKB/Swiss-Prot: November 1, 1997
Last sequence update: November 1, 1997
Last modified: December 11, 2019
This is version 111 of the entry and version 1 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 programCaenorhabditis annotation project

<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

Direct protein sequencing, Reference proteome

Documents

  1. SIMILARITY comments
    Index of protein domains and families
  2. Caenorhabditis elegans
    Caenorhabditis elegans: entries, gene names and cross-references to WormBase
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