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COL4A4
HPA
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  • COL4A4
PROTEIN SUMMARY GENE INFORMATION RNA DATA
GENERAL INFORMATIONi

General description of the gene and the encoded protein(s) using information from HGNC and Ensembl, as well as predictions made by the Human Protein Atlas project.

Gene namei

Official gene symbol, which is typically a short form of the gene name, according to HGNC.

COL4A4
Synonyms CA44
Gene descriptioni

Full gene name according to HGNC.

Collagen type IV alpha 4 chain
Protein classi

Assigned HPA protein class(es) for the encoded protein(s).

Cancer-related genes
Disease related genes
Human disease related genes
Plasma proteins
Predicted locationi

All transcripts of all genes have been analyzed regarding the location(s) of corresponding protein based on prediction methods for signal peptides and transmembrane regions.

  • Genes with at least one transcript predicted to encode a secreted protein, according to prediction methods or to UniProt location data, have been further annotated and classified with the aim to determine if the corresponding protein(s) are secreted or actually retained in intracellular locations or membrane-attached.

  • Remaining genes, with no transcript predicted to encode a secreted protein, will be assigned the prediction-based location(s).

The annotated location overrules the predicted location, so that a gene encoding a predicted secreted protein that has been annotated as intracellular will have intracellular as the final location.

Secreted, Intracellular
Protein evidence Evidence at protein level (all genes)
GENE INFORMATIONi

Gene information from Ensembl and Entrez, as well as links to available gene identifiers are displayed here. Information was retrieved from Ensembl if not indicated otherwise.

Chromosome 2
Cytoband q36.3
Chromosome location (bp) 227002714 - 227164453
Number of transcriptsi

Number of protein-coding transcripts from the gene as defined by Ensembl.

5
Ensembl ENSG00000081052 (version 109)
Entrez gene 1286
HGNC HGNC:2206
UniProt P53420 (UniProt - Evidence at protein level)
neXtProt NX_P53420
GeneCards COL4A4
Antibodypedia COL4A4 antibodies


PROTEIN FUNCTION
Protein function (UniProt)i

Useful information about the protein provided by UniProt.

Type IV collagen is the major structural component of glomerular basement membranes (GBM), forming a 'chicken-wire' meshwork together with laminins, proteoglycans and entactin/nidogen.... show less
Gene summary (Entrez)i

Useful information about the gene from Entrez

This gene encodes one of the six subunits of type IV collagen, the major structural component of basement membranes. This particular collagen IV subunit, however, is only found in a subset of basement membranes. Like the other members of the type IV collagen gene family, this gene is organized in a head-to-head conformation with another type IV collagen gene so that each gene pair shares a common promoter. Mutations in this gene are associated with type II autosomal recessive Alport syndrome (hereditary glomerulonephropathy) and with familial benign hematuria (thin basement membrane disease). Two transcripts, differing only in their transcription start sites, have been identified for this gene and, as is common for collagen genes, multiple polyadenylation sites are found in the 3' UTR. [provided by RefSeq, Jul 2008]... show less
PROTEIN INFORMATIONi

The protein information section displays alternative protein-coding transcripts (splice variants) encoded by this gene according to the Ensembl database.

The Splice variant identifier links to the Ensembl website protein summary for the selected splice variant. The data in the Swissprot and TrEMBL columns links to corresponding pages in the UniProt database.

The protein classes assigned to this protein are shown if expanding the data in the protein class column. Parent protein classes are in bold font and subclasses are listed under the parent class.

The length of the protein (amino acid residues according to Ensembl), molecular mass (kDalton), predicted signal peptide and number of predicted transmembrane region(s) according to in-house majority decision methods based on sets of predictors are also reported.
Splice variant SwissProt TrEMBL Protein class Gene ontology Length & mass Signal peptide
(predicted)
Transmembrane regions
(predicted)
COL4A4-201
ENSP00000379866
ENST00000396625
P53420
[Direct mapping] Collagen alpha-4(IV) chain
Show all
   MEMSAT3 predicted membrane proteins
Predicted secreted proteins
   Secreted proteins predicted by MDSEC
   SignalP predicted secreted proteins
   Phobius predicted secreted proteins
   SPOCTOPUS predicted secreted proteins
   DeepTMHMM predicted secreted proteins
Plasma proteins
Cancer-related genes
   Candidate cancer biomarkers
Disease related genes
Human disease related genes
   Congenital malformations
   Other congenital malformations
   Urinary system diseases
   Kidney diseases
Mapped to neXtProt
   neXtProt - Evidence at protein level
Protein evidence (Kim et al 2014)
Show all
GO:0005201 [extracellular matrix structural constituent]
GO:0005576 [extracellular region]
GO:0005581 [collagen trimer]
GO:0005587 [collagen type IV trimer]
GO:0005604 [basement membrane]
GO:0005615 [extracellular space]
GO:0005788 [endoplasmic reticulum lumen]
GO:0030020 [extracellular matrix structural constituent conferring tensile strength]
GO:0030198 [extracellular matrix organization]
GO:0031012 [extracellular matrix]
GO:0032836 [glomerular basement membrane development]
GO:0060090 [molecular adaptor activity]
GO:0062023 [collagen-containing extracellular matrix]
GO:0110165 [cellular anatomical entity]
Show all
1690 aa
164 kDa
Yes 0
COL4A4-202
ENSP00000494516
ENST00000643379
A0A2R8Y548
[Direct mapping] Collagen alpha-4(IV) chain
Show all
   MEMSAT3 predicted membrane proteins
Predicted secreted proteins
   Secreted proteins predicted by MDSEC
   SignalP predicted secreted proteins
   Phobius predicted secreted proteins
   SPOCTOPUS predicted secreted proteins
   DeepTMHMM predicted secreted proteins
Human disease related genes
   Congenital malformations
   Other congenital malformations
   Urinary system diseases
   Kidney diseases
Show all
296 aa
29 kDa
Yes 0
COL4A4-203
ENSP00000508331
ENST00000682098
A0A804HLF6
[Direct mapping] Collagen alpha-4(IV) chain
Show all
   DeepTMHMM predicted secreted proteins
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Human disease related genes
   Congenital malformations
   Other congenital malformations
   Urinary system diseases
   Kidney diseases
Show all
GO:0005201 [extracellular matrix structural constituent]
GO:0005581 [collagen trimer]
GO:0005604 [basement membrane]
GO:0016020 [membrane]
GO:0110165 [cellular anatomical entity]
Show all
224 aa
24.5 kDa
No 0
COL4A4-206
ENSP00000506932
ENST00000683508
A0A804HI71
[Direct mapping] Collagen alpha-4(IV) chain
Show all
   MEMSAT3 predicted membrane proteins
   MEMSAT-SVM predicted membrane proteins
   SPOCTOPUS predicted membrane proteins
   THUMBUP predicted membrane proteins
   TMHMM predicted membrane proteins
   Phobius predicted secreted proteins
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Human disease related genes
   Congenital malformations
   Other congenital malformations
   Urinary system diseases
   Kidney diseases
Show all
75 aa
8.5 kDa
No 0
COL4A4-208
ENSP00000506950
ENST00000684524
A0A804HI86
[Direct mapping] Collagen alpha-4(IV) chain
Show all
   DeepTMHMM predicted secreted proteins
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Human disease related genes
   Congenital malformations
   Other congenital malformations
   Urinary system diseases
   Kidney diseases
Show all
49 aa
5.6 kDa
No 0

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