Gene Information
Gene NameCRB3
OrganismHomo sapiens (Human)
Gene Length120
Protein NamesProtein crumbs homolog 3
Target NameNA
Target TypeNA
Gene Age382 ( ENSG00000130545 )
Evolutionary StageVertebrata
AlphaFoldDBQ9BUF7
Gene CardCRB3
Uniprot IDQ9BUF7
PfamNA
In ASDno
Allosteric Predictionno (-1.364689645)
Ortholog in AnimalsAlpaca_ CRB3 ( ortholog_one2one )
Dog_ CRB3 ( ortholog_one2one )
GuineaPig_ CRB3 ( ortholog_one2one )
Macaque_ CRB3 ( ortholog_one2one )
Mouse_ Crb3 ( ortholog_one2one )
Pig_ CRB3 ( ortholog_one2one )
Rat_ Crb3 ( ortholog_one2one )
OhnologsNA
ParalogsSCARF1, CRB2, SCARF2
TissueNA
Tissue SpecificityPreferentially expressed in epithelial tissues (PubMed:14718572). Expressed at high levels in lung, kidney, and colon (PubMed:12527193, PubMed:14718572). Expressed at high levels in retina, colon and mammary glands (PubMed:12527193). Moderately expressed in liver, spleen, pancreas and prostate (PubMed:12527193). Moderately to weakly expressed in the placenta (PubMed:14718572, PubMed:12527193). Weakly expressed in skeletal muscle and small intestine (PubMed:14718572). {ECO:0000269|PubMed:12527193, ECO:0000269|PubMed:14718572}.
Pharmacological Animal ModelsNA
Gene Ontology
(biological process)
Gene Ontology
(cellular component)
Gene Ontology
(molecular function)
PDB 5I7Z  (X-ray  1.80A 
DBSNP NA 
Subcellular location [CC]Apical cell membrane {ECO:0000269|PubMed:12527193, ECO:0000269|PubMed:12771187, ECO:0000269|PubMed:14718572};
Single-pass type I membrane protein {ECO:0000255}. Cell junction, tight junction {ECO:0000269|PubMed:12527193}. Note=Localizes primarily to the apical membrane with a small fraction in the upper part of tight junctions of epithelial cells. {ECO:0000269|PubMed:14718572}.
Mouse PG classificationNA
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