Calpain-1 catalytic subunit is a protein that in humans is encoded by the CAPN1 gene. [5] [6] [7]
The calpains, calcium-activated neutral proteases, are nonlysosomal, intracellular cysteine proteases. The mammalian calpains include ubiquitous, stomach-specific, and muscle-specific proteins. The ubiquitous enzymes consist of heterodimers with distinct large, catalytic subunits associated with a common small, regulatory subunit. This gene encodes the large subunit of the ubiquitous enzyme, calpain 1. [7]
A calpain is a protein belonging to the family of calcium-dependent, non-lysosomal cysteine proteases expressed ubiquitously in mammals and many other organisms. Calpains constitute the C2 family of protease clan CA in the MEROPS database. The calpain proteolytic system includes the calpain proteases, the small regulatory subunit CAPNS1, also known as CAPN4, and the endogenous calpain-specific inhibitor, calpastatin.
Calpain-10 is a protein that in humans is encoded by the CAPN10 gene.
Calpain-2 catalytic subunit is a protein that in humans is encoded by the CAPN2 gene.
Calpain-3 is a protein that in humans is encoded by the CAPN3 gene.
Cyclic AMP-dependent transcription factor ATF-1 is a protein that in humans is encoded by the ATF1 gene.
Calcium/calmodulin-dependent protein kinase type IV is an enzyme that in humans is encoded by the CAMK4 gene.
Presenilin-2 is a protein that is encoded by the PSEN2 gene.
Cyclin-dependent kinase 5 activator 1 is an enzyme that in humans is encoded by the CDK5R1 gene.
Calpastatin is a protein that in humans is encoded by the CAST gene.
Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2 is a protein that in humans is encoded by the GNG2 gene.
Calpain small subunit 1, also known as CAPN4, is a protein that in humans is encoded by the CAPNS1 gene.
Beta-adducin is a protein that in humans is encoded by the ADD2 gene.
Eukaryotic translation initiation factor 3 subunit H (eIF3h) is a protein that in humans is encoded by the EIF3H gene.
Voltage-gated potassium channel subunit beta-1 is a protein that in humans is encoded by the KCNAB1 gene.
Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-12 is a protein that in humans is encoded by the GNG12 gene.
Ubiquitin carboxyl-terminal hydrolase 47 is an enzyme that in humans is encoded by the USP47 gene.
Calpain-5 is a protein that in humans is encoded by the CAPN5 gene.
Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-4 is a protein that in humans is encoded by the GNG4 gene.
Calpain-9 is a protein that in humans is encoded by the CAPN9 gene.
Calpain-3 is an enzyme. This enzyme catalyses the following chemical reaction