Gene Information
Gene NamePRG4
OrganismHomo sapiens (Human)
Gene Length1404
Protein NamesProteoglycan 4 (Lubricin) (Megakaryocyte-stimulating factor) (Superficial zone proteoglycan) [Cleaved into: Proteoglycan 4 C-terminal part]
Target NameNA
Target TypeNA
Gene Age680 ( ENSG00000116690 )
Evolutionary StageEumetazoa
AlphaFoldDBQ92954
Gene CardPRG4
Uniprot IDQ92954
PfamPF00045; PF01033
In ASDno
Allosteric Predictionno (-0.806322752)
Ortholog in AnimalsDog_ PRG4 ( ortholog_one2one )
Macaque_ PRG4 ( ortholog_one2one )
Mouse_ Prg4 ( ortholog_one2one )
Rat_ Prg4 ( ortholog_one2one )
OhnologsNA
ParalogsVTN
Tissueliver, greater.omentum, subcutaneous.adipose.tissue, tibial.artery, tibial.nerve
Tissue SpecificityHighly expressed in synovial tissue, cartilage and liver and weakly in heart and lung. Isoform B is expressed in kidney, lung, liver, heart and brain. Isoform C and isoform D are widely expressed. {ECO:0000269|PubMed:10545950, ECO:0000269|PubMed:11124536}.
Pharmacological Animal ModelsNA
Gene Ontology
(biological process)
Gene Ontology
(cellular component)
Gene Ontology
(molecular function)
PDB NA 
DBSNP rs2273779  rs10158395  rs1293985  rs12134934 
Subcellular location [CC]Secreted {ECO:0000269|PubMed:14976050, ECO:0000269|PubMed:32144329}.
Mouse PG classificationHPG
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