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Protein

Lysosomal-associated transmembrane protein 4A

Gene

LAPTM4A

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

Annotation score:4 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 function in the transport of nucleosides and/or nucleoside derivatives between the cytosol and the lumen of an intracellular membrane-bound compartment.By similarity

<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

<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:
Lysosomal-associated transmembrane protein 4A
Alternative name(s):
Golgi 4-transmembrane-spanning transporter MTP
<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:LAPTM4A
Synonyms:KIAA0108, LAPTM4, MBNT, MTRP
ORF Names:UNQ1846/PRO3574
<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>OrganismiHomo sapiens (Human)
<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 identifieri9606 [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 lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiMammaliaEutheriaEuarchontogliresPrimatesHaplorrhiniCatarrhiniHominidaeHomo
<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
  • UP000005640 <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 2

Organism-specific databases

Eukaryotic Pathogen Database Resources

More...
EuPathDBi
HostDB:ENSG00000068697.6

Human Gene Nomenclature Database

More...
HGNCi
HGNC:6924 LAPTM4A

neXtProt; the human protein knowledge platform

More...
neXtProti
NX_Q15012

<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; Source: COMPARTMENTS

Topology

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/help/subcellular_location_section">'Subcellular location'</a> section describes the extent of a membrane-spanning region of the protein. It denotes the presence of both alpha-helical transmembrane regions and the membrane spanning regions of beta-barrel transmembrane proteins.<p><a href='/help/transmem' target='_top'>More...</a></p>Transmembranei29 – 49HelicalSequence analysisAdd BLAST21
Transmembranei82 – 102HelicalSequence analysisAdd BLAST21
Transmembranei108 – 128HelicalSequence analysisAdd BLAST21
Transmembranei160 – 180HelicalSequence analysisAdd BLAST21

Keywords - Cellular componenti

Membrane

<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

Open Targets

More...
OpenTargetsi
ENSG00000068697

The Pharmacogenetics and Pharmacogenomics Knowledge Base

More...
PharmGKBi
PA30295

Polymorphism and mutation databases

BioMuta curated single-nucleotide variation and disease association database

More...
BioMutai
LAPTM4A

Domain mapping of disease mutations (DMDM)

More...
DMDMi
3122413

<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.<p><a href='/help/chain' target='_top'>More...</a></p>ChainiPRO_00000966371 – 233Lysosomal-associated transmembrane protein 4AAdd BLAST233

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 Publication1

Keywords - PTMi

Acetylation

Proteomic databases

Encyclopedia of Proteome Dynamics

More...
EPDi
Q15012

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

More...
PaxDbi
Q15012

PeptideAtlas

More...
PeptideAtlasi
Q15012

PRoteomics IDEntifications database

More...
PRIDEi
Q15012

ProteomicsDB human proteome resource

More...
ProteomicsDBi
60364

PTM databases

iPTMnet integrated resource for PTMs in systems biology context

More...
iPTMneti
Q15012

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

More...
PhosphoSitePlusi
Q15012

SwissPalm database of S-palmitoylation events

More...
SwissPalmi
Q15012

<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
ENSG00000068697 Expressed in 248 organ(s), highest expression level in seminal vesicle

CleanEx database of gene expression profiles

More...
CleanExi
HS_LAPTM4A

ExpressionAtlas, Differential and Baseline Expression

More...
ExpressionAtlasi
Q15012 baseline and differential

Genevisible search portal to normalized and curated expression data from Genevestigator

More...
Genevisiblei
Q15012 HS

Organism-specific databases

Human Protein Atlas

More...
HPAi
HPA031402
HPA031404
HPA068554

<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
115089, 13 interactors

Protein interaction database and analysis system

More...
IntActi
Q15012, 9 interactors

Molecular INTeraction database

More...
MINTi
Q15012

STRING: functional protein association networks

More...
STRINGi
9606.ENSP00000175091

<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

Protein Model Portal of the PSI-Nature Structural Biology Knowledgebase

More...
ProteinModelPortali
Q15012

Database of comparative protein structure models

More...
ModBasei
Search...

MobiDB: a database of protein disorder and mobility annotations

More...
MobiDBi
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

Compositional bias

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the ‘Family and Domains’ section describes the position of regions of compositional bias within the protein and the particular amino acids that are over-represented within those regions.<p><a href='/help/compbias' target='_top'>More...</a></p>Compositional biasi226 – 229Poly-Pro4

<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

The C-terminal domain is necessary for retention within intracellular membranes.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

Belongs to the LAPTM4/LAPTM5 transporter family.Curated

Keywords - Domaini

Transmembrane, Transmembrane helix

Phylogenomic databases

evolutionary genealogy of genes: Non-supervised Orthologous Groups

More...
eggNOGi
ENOG410IEGH Eukaryota
ENOG4111K1Z LUCA

Ensembl GeneTree

More...
GeneTreei
ENSGT00940000157420

The HOGENOM Database of Homologous Genes from Fully Sequenced Organisms

More...
HOGENOMi
HOG000007698

The HOVERGEN Database of Homologous Vertebrate Genes

More...
HOVERGENi
HBG000908

InParanoid: Eukaryotic Ortholog Groups

More...
InParanoidi
Q15012

KEGG Orthology (KO)

More...
KOi
K12387

Identification of Orthologs from Complete Genome Data

More...
OMAi
FTISAMM

Database of Orthologous Groups

More...
OrthoDBi
EOG091G0MA5

Database for complete collections of gene phylogenies

More...
PhylomeDBi
Q15012

TreeFam database of animal gene trees

More...
TreeFami
TF330843

Family and domain databases

Integrated resource of protein families, domains and functional sites

More...
InterProi
View protein in InterPro
IPR004687 LAPTM4/5
IPR018396 LAPTM_4A/5

Pfam protein domain database

More...
Pfami
View protein in Pfam
PF03821 Mtp, 2 hits

TIGRFAMs; a protein family database

More...
TIGRFAMsi
TIGR00799 mtp, 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>.<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.

Q15012-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MVSMSFKRNR SDRFYSTRCC GCCHVRTGTI ILGTWYMVVN LLMAILLTVE
60 70 80 90 100
VTHPNSMPAV NIQYEVIGNY YSSERMADNA CVLFAVSVLM FIISSMLVYG
110 120 130 140 150
AISYQVGWLI PFFCYRLFDF VLSCLVAISS LTYLPRIKEY LDQLPDFPYK
160 170 180 190 200
DDLLALDSSC LLFIVLVFFA LFIIFKAYLI NCVWNCYKYI NNRNVPEIAV
210 220 230
YPAFEAPPQY VLPTYEMAVK MPEKEPPPPY LPA
Length:233
Mass (Da):26,801
Last modified:November 1, 1996 - 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:i9BB76152B6E1365E
GO

<p>This subsection of the ‘Sequence’ section reports difference(s) between the protein sequence shown in the UniProtKB entry and other available protein sequences derived from the same gene.<p><a href='/help/sequence_caution' target='_top'>More...</a></p>Sequence cautioni

The sequence AAQ89387 differs from that shown. Reason: Frameshift at position 206.Curated
The sequence BAA03522 differs from that shown. Reason: Erroneous initiation.Curated

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
D14696 mRNA Translation: BAA03522.2 Different initiation.
AY359028 mRNA Translation: AAQ89387.1 Frameshift.
BC000421 mRNA Translation: AAH00421.1

The Consensus CDS (CCDS) project

More...
CCDSi
CCDS1696.1

NCBI Reference Sequences

More...
RefSeqi
NP_055528.1, NM_014713.4

UniGene gene-oriented nucleotide sequence clusters

More...
UniGenei
Hs.467807

Genome annotation databases

Ensembl eukaryotic genome annotation project

More...
Ensembli
ENST00000175091; ENSP00000175091; ENSG00000068697

Database of genes from NCBI RefSeq genomes

More...
GeneIDi
9741

KEGG: Kyoto Encyclopedia of Genes and Genomes

More...
KEGGi
hsa:9741

<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
D14696 mRNA Translation: BAA03522.2 Different initiation.
AY359028 mRNA Translation: AAQ89387.1 Frameshift.
BC000421 mRNA Translation: AAH00421.1
CCDSiCCDS1696.1
RefSeqiNP_055528.1, NM_014713.4
UniGeneiHs.467807

3D structure databases

ProteinModelPortaliQ15012
ModBaseiSearch...
MobiDBiSearch...

Protein-protein interaction databases

BioGridi115089, 13 interactors
IntActiQ15012, 9 interactors
MINTiQ15012
STRINGi9606.ENSP00000175091

PTM databases

iPTMnetiQ15012
PhosphoSitePlusiQ15012
SwissPalmiQ15012

Polymorphism and mutation databases

BioMutaiLAPTM4A
DMDMi3122413

Proteomic databases

EPDiQ15012
PaxDbiQ15012
PeptideAtlasiQ15012
PRIDEiQ15012
ProteomicsDBi60364

Protocols and materials databases

The DNASU plasmid repository

More...
DNASUi
9741
Structural Biology KnowledgebaseSearch...

Genome annotation databases

EnsembliENST00000175091; ENSP00000175091; ENSG00000068697
GeneIDi9741
KEGGihsa:9741

Organism-specific databases

Comparative Toxicogenomics Database

More...
CTDi
9741
EuPathDBiHostDB:ENSG00000068697.6

GeneCards: human genes, protein and diseases

More...
GeneCardsi
LAPTM4A
HGNCiHGNC:6924 LAPTM4A
HPAiHPA031402
HPA031404
HPA068554
neXtProtiNX_Q15012
OpenTargetsiENSG00000068697
PharmGKBiPA30295

Human Unidentified Gene-Encoded large proteins database

More...
HUGEi
Search...

GenAtlas: human gene database

More...
GenAtlasi
Search...

Phylogenomic databases

eggNOGiENOG410IEGH Eukaryota
ENOG4111K1Z LUCA
GeneTreeiENSGT00940000157420
HOGENOMiHOG000007698
HOVERGENiHBG000908
InParanoidiQ15012
KOiK12387
OMAiFTISAMM
OrthoDBiEOG091G0MA5
PhylomeDBiQ15012
TreeFamiTF330843

Miscellaneous databases

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

More...
ChiTaRSi
LAPTM4A human

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

More...
GenomeRNAii
9741

Protein Ontology

More...
PROi
PR:Q15012

Gene expression databases

BgeeiENSG00000068697 Expressed in 248 organ(s), highest expression level in seminal vesicle
CleanExiHS_LAPTM4A
ExpressionAtlasiQ15012 baseline and differential
GenevisibleiQ15012 HS

Family and domain databases

InterProiView protein in InterPro
IPR004687 LAPTM4/5
IPR018396 LAPTM_4A/5
PfamiView protein in Pfam
PF03821 Mtp, 2 hits
TIGRFAMsiTIGR00799 mtp, 1 hit

ProtoNet; Automatic hierarchical classification of proteins

More...
ProtoNeti
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 nameiLAP4A_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: Q15012
Secondary accession number(s): Q6UW22
<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: July 15, 1998
Last sequence update: November 1, 1996
Last modified: December 5, 2018
This is version 153 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 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

Complete proteome, Reference proteome

Documents

  1. SIMILARITY comments
    Index of protein domains and families
  2. Human chromosome 2
    Human chromosome 2: entries, gene names and cross-references to MIM
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