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PRG4
HPA
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  • SUMMARY

  • TISSUE

  • BRAIN

  • SINGLE CELL

  • SUBCELL

  • CANCER

  • BLOOD

  • CELL LINE

  • STRUCT & INT

  • PRG4
PROTEIN SUMMARY GENE INFORMATION RNA DATA ANTIBODY 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.

PRG4
Synonyms bG174L6.2, CACP, FLJ32635, HAPO, JCAP, MSF, SZP
Gene descriptioni

Full gene name according to HGNC.

Proteoglycan 4
Protein classi

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

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
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 1
Cytoband q31.1
Chromosome location (bp) 186296279 - 186314567
Number of transcriptsi

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

6
Ensembl ENSG00000116690 (version 109)
Entrez gene 10216
HGNC HGNC:9364
UniProt Q92954 (UniProt - Evidence at protein level)
neXtProt NX_Q92954
GeneCards PRG4
Antibodypedia PRG4 antibodies


PROTEIN FUNCTION
Protein function (UniProt)i

Useful information about the protein provided by UniProt.

Plays a role in boundary lubrication within articulating joints. Prevents protein deposition onto cartilage from synovial fluid by controlling adhesion-dependent synovial growth and inhibiting the adhesion of synovial cells to the cartilage surface.... show less
Gene summary (Entrez)i

Useful information about the gene from Entrez

The protein encoded by this gene is a large proteoglycan that is synthesized by chondrocytes located at the surface of articular cartilage and by some synovial lining cells. This protein contains both chondroitin sulfate and keratan sulfate glycosaminoglycans. It functions as a boundary lubricant at the cartilage surface and contributes to the elastic absorption and energy dissipation of synovial fluid. Mutations in this gene result in camptodactyly-arthropathy-coxa vara-pericarditis syndrome. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Dec 2014]... 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)
PRG4-201
ENSP00000356452
ENST00000367482
J3KP74
[Direct mapping] Proteoglycan 4
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
   DeepSig predicted secreted proteins
Human disease related genes
   Congenital malformations
   Other congenital malformations
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0005044 [scavenger receptor activity]
GO:0006897 [endocytosis]
GO:0006955 [immune response]
GO:0030247 [polysaccharide binding]
GO:0110165 [cellular anatomical entity]
Show all
853 aa
89.4 kDa
Yes 0
PRG4-202
ENSP00000356453
ENST00000367483
Q92954
[Direct mapping] Proteoglycan 4 Proteoglycan 4 C-terminal part
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
   DeepSig predicted secreted proteins
Plasma proteins
Disease related genes
Human disease related genes
   Congenital malformations
   Other congenital malformations
Mapped to neXtProt
   neXtProt - Evidence at protein level
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0005044 [scavenger receptor activity]
GO:0005576 [extracellular region]
GO:0005615 [extracellular space]
GO:0006897 [endocytosis]
GO:0006955 [immune response]
GO:0030021 [extracellular matrix structural constituent conferring compression resistance]
GO:0030247 [polysaccharide binding]
GO:0062023 [collagen-containing extracellular matrix]
GO:0110165 [cellular anatomical entity]
Show all
1363 aa
146.5 kDa
Yes 0
PRG4-203
ENSP00000356455
ENST00000367485
Q92954
[Direct mapping] Proteoglycan 4 Proteoglycan 4 C-terminal part
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
   DeepSig predicted secreted proteins
Plasma proteins
Disease related genes
Human disease related genes
   Congenital malformations
   Other congenital malformations
Mapped to neXtProt
   neXtProt - Evidence at protein level
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0005044 [scavenger receptor activity]
GO:0005576 [extracellular region]
GO:0005615 [extracellular space]
GO:0006897 [endocytosis]
GO:0006955 [immune response]
GO:0030021 [extracellular matrix structural constituent conferring compression resistance]
GO:0030247 [polysaccharide binding]
GO:0062023 [collagen-containing extracellular matrix]
GO:0110165 [cellular anatomical entity]
Show all
1311 aa
141.1 kDa
Yes 0
PRG4-204
ENSP00000399679
ENST00000445192
Q92954
[Direct mapping] Proteoglycan 4 Proteoglycan 4 C-terminal part
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
   DeepSig predicted secreted proteins
Plasma proteins
Disease related genes
Human disease related genes
   Congenital malformations
   Other congenital malformations
Mapped to neXtProt
   neXtProt - Evidence at protein level
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0005044 [scavenger receptor activity]
GO:0005576 [extracellular region]
GO:0005615 [extracellular space]
GO:0006897 [endocytosis]
GO:0006955 [immune response]
GO:0030021 [extracellular matrix structural constituent conferring compression resistance]
GO:0030247 [polysaccharide binding]
GO:0062023 [collagen-containing extracellular matrix]
GO:0110165 [cellular anatomical entity]
Show all
1404 aa
151.1 kDa
Yes 0
PRG4-205
ENSP00000431330
ENST00000533951
E9PLR3
[Direct mapping] Proteoglycan 4
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
   DeepSig predicted secreted proteins
Human disease related genes
   Congenital malformations
   Other congenital malformations
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0005044 [scavenger receptor activity]
GO:0006897 [endocytosis]
GO:0006955 [immune response]
GO:0030247 [polysaccharide binding]
GO:0110165 [cellular anatomical entity]
Show all
162 aa
18 kDa
Yes 0
PRG4-206
ENSP00000489292
ENST00000635041
Q92954
[Direct mapping] Proteoglycan 4 Proteoglycan 4 C-terminal part
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
   DeepSig predicted secreted proteins
Plasma proteins
Disease related genes
Human disease related genes
   Congenital malformations
   Other congenital malformations
Mapped to neXtProt
   neXtProt - Evidence at protein level
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0005044 [scavenger receptor activity]
GO:0005576 [extracellular region]
GO:0005615 [extracellular space]
GO:0006897 [endocytosis]
GO:0006955 [immune response]
GO:0030021 [extracellular matrix structural constituent conferring compression resistance]
GO:0030247 [polysaccharide binding]
GO:0062023 [collagen-containing extracellular matrix]
GO:0110165 [cellular anatomical entity]
Show all
1361 aa
146.5 kDa
Yes 0

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