Gene Information
Gene NameMN
OrganismHomo sapiens (Human)
Gene Length459
Protein NamesCarbonic anhydrase 9 (EC 4.2.1.1) (Carbonate dehydratase IX) (Carbonic anhydrase IX) (CA-IX) (CAIX) (Membrane antigen MN) (P54/58N) (Renal cell carcinoma-associated antigen G250) (RCC-associated antigen G250) (pMW1)
Target NameNA
Target TypeNA
Gene AgeNA
Evolutionary StageNA
AlphaFoldDBQ16790
Gene CardCA9
Uniprot IDQ16790
PfamPF00194
In ASDno
Allosteric PredictionNA
Ortholog in AnimalsNA
OhnologsNA
ParalogsNA
TissueNA
Tissue SpecificityExpressed primarily in carcinoma cells lines. Expression is restricted to very few normal tissues and the most abundant expression is found in the epithelial cells of gastric mucosa.
Pharmacological Animal ModelsNA
Gene Ontology
(biological process)
Gene Ontology
(cellular component)
Gene Ontology
(molecular function)
PDB 2HKF  (X-ray  2.01A  3IAI  (X-ray  2.20A  5DVX  (X-ray  1.60A  5FL4  (X-ray  1.82A  5FL5  (X-ray  2.05A  5FL6  (X-ray  1.95A  6FE0  (X-ray  1.91A  6FE1  (X-ray  1.95A  6FE2  (X-ray  1.87A  6G98  (X-ray  2.47A  6G9U  (X-ray  1.75A  6QN2  (X-ray  1.95A  6QN5  (X-ray  1.96A  6QN6  (X-ray  2.25A  6QUT  (X-ray  1.96A  6RQN  (X-ray  1.78A  6RQQ  (X-ray  1.28A  6RQU  (X-ray  1.39A  6RQW  (X-ray  1.49A  6TL5  (X-ray  2.21A  6TL6  (X-ray  2.15A  6Y74  (X-ray  1.53A  7POM  (X-ray  1.98A 
DBSNP rs2071676  rs3829078 
Subcellular location [CC]Nucleus {ECO:0000269|PubMed:8486430}. Nucleus, nucleolus {ECO:0000269|PubMed:8486430}. Cell membrane {ECO:0000269|PubMed:8486430};
Single-pass type I membrane protein {ECO:0000269|PubMed:8486430}. Cell projection, microvillus membrane {ECO:0000269|PubMed:8486430};
Single-pass type I membrane protein {ECO:0000269|PubMed:8486430}. Note=Found on the surface microvilli and in the nucleus, particularly in nucleolus.
Mouse PG classificationNA
click here to return to the previous page