Gene Information
Gene NameCD74
OrganismHomo sapiens (Human)
Gene Length296
Protein NamesHLA class II histocompatibility antigen gamma chain (HLA-DR antigens-associated invariant chain) (Ia antigen-associated invariant chain) (Ii) (CD antigen CD74) [Cleaved into: Class-II-associated invariant chain peptide (CLIP)]
Target Namehla-dr antigens-associated invariant
Target TypeClinical trial target
Gene Age544 ( ENSG00000019582 )
Evolutionary StageVertebrata
AlphaFoldDBP04233
Gene CardCD74
Uniprot IDP04233
PfamPF09307; PF08831; PF00086
In ASDno
Allosteric Predictionyes (0.404518794)
Ortholog in AnimalsAlpaca_ CD74 ( ortholog_one2one )
Dog_ CD74 ( ortholog_one2one )
GuineaPig_ CD74 ( ortholog_one2one )
Macaque_ CD74 ( ortholog_one2one )
Mouse_ Cd74 ( ortholog_one2one )
Pig_ CD74 ( ortholog_one2one )
Rat_ Cd74 ( ortholog_one2one )
Rabbit_ CD74 ( ortholog_one2one )
OhnologsNA
ParalogsNA
TissueNA
Tissue Specificity[Isoform p41]: In B cells, represents 10% of total CD74 expression. {ECO:0000269|PubMed:3104027}.;
[Isoform p33]: In B cells, represents 70% of total CD74 expression. {ECO:0000269|PubMed:3104027}.
Pharmacological Animal ModelsNULL(Chimpanzee);NULL(Mouse);0.001990(Rat);0.02(Rabbit)
Gene Ontology
(biological process)
Gene Ontology
(cellular component)
Gene Ontology
(molecular function)
PDB 1A6A  (X-ray  2.75A  1ICF  (X-ray  2.00A  1IIE  (NMR  1L3H  (NMR  1MUJ  (X-ray  2.15A  3PDO  (X-ray  1.95A  3PGC  (X-ray  2.66A  3PGD  (X-ray  2.72A  3QXA  (X-ray  2.71A  3QXD  (X-ray  2.30A  4AEN  (X-ray  2.20A  4AH2  (X-ray  2.36A  4X5W  (X-ray  1.34A  5KSU  (X-ray  2.73A  5KSV  (X-ray  2.19A 
DBSNP NA 
Subcellular location [CC]Cell membrane {ECO:0000305};
Single-pass type II membrane protein {ECO:0000305}. Endoplasmic reticulum membrane. Golgi apparatus, trans-Golgi network. Endosome. Lysosome. Note=Transits through a number of intracellular compartments in the endocytic pathway. It can either undergo proteolysis or reach the cell membrane.;
[Isoform p41]: Late endosome {ECO:0000250|UniProtKB:P04441}. Lysosome {ECO:0000250|UniProtKB:P04441}.
Mouse PG classificationNA
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