Gene Information
Gene NameXK
OrganismHomo sapiens (Human)
Gene Length444
Protein NamesEndoplasmic reticulum membrane adapter protein XK (Kell complex 37 kDa component) (Kx antigen) (Membrane transport protein XK) (XK-related protein 1)
Target NameNA
Target TypeNA
Gene Age645 ( ENSG00000047597 )
Evolutionary StageEumetazoa
AlphaFoldDBP51811
Gene CardXK
Uniprot IDP51811
PfamPF09815
In ASDno
Allosteric Predictionno (-0.133944683)
Ortholog in AnimalsAlpaca_ XK ( ortholog_one2one )
Dog_ XK ( ortholog_one2one )
GuineaPig_ XK ( ortholog_one2one )
Macaque_ XK ( ortholog_one2one )
Mouse_ Xk ( ortholog_one2one )
Pig_ XK ( ortholog_one2one )
Rat_ Xk ( ortholog_one2one )
Rabbit_ XK ( ortholog_one2one )
OhnologsNA
ParalogsXKRX, XKR3
Tissuesmall.intestine
Tissue SpecificityHigh levels in skeletal muscle, heart, brain, and pancreas;
low levels in placenta, lung, liver, and kidney. {ECO:0000269|PubMed:8004674}.
Pharmacological Animal ModelsNA
Gene Ontology
(biological process)
Gene Ontology
(cellular component)
Gene Ontology
(molecular function)
PDB NA 
DBSNP rs28933690 
Subcellular location [CC]Endoplasmic reticulum membrane {ECO:0000269|PubMed:32845802, ECO:0000269|PubMed:9593744};
Multi-pass membrane protein {ECO:0000255}.
Mouse PG classificationNA
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