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Calpain, a heterodimer consisting of a large and a small subunit, is a major intracellular protease, although its function has not been well established. This gene encodes a muscle-specific member of the calpain large subunit family that specifically binds to titin. Mutations in this gene are associated with limb-girdle muscular dystrophies type 2A. Alternate promoters and alternative splicing result in multiple transcript variants encoding different isoforms and some variants are ubiquitously expressed. [provided by RefSeq, Jul 2008]
Enzymes ENZYME proteins Hydrolases Peptidases Cysteine-type peptidases THUMBUP predicted membrane proteins Predicted intracellular proteins Disease related genes Potential drug targets Protein evidence (Kim et al 2014) Protein evidence (Ezkurdia et al 2014)
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GO:0003824 [catalytic activity] GO:0004198 [calcium-dependent cysteine-type endopeptidase activity] GO:0004871 [signal transducer activity] GO:0005509 [calcium ion binding] GO:0005515 [protein binding] GO:0005622 [intracellular] GO:0005634 [nucleus] GO:0005737 [cytoplasm] GO:0005829 [cytosol] GO:0005886 [plasma membrane] GO:0006461 [protein complex assembly] GO:0006508 [proteolysis] GO:0006915 [apoptotic process] GO:0007165 [signal transduction] GO:0007517 [muscle organ development] GO:0008233 [peptidase activity] GO:0008234 [cysteine-type peptidase activity] GO:0008307 [structural constituent of muscle] GO:0014718 [positive regulation of satellite cell activation involved in skeletal muscle regeneration] GO:0014850 [response to muscle activity] GO:0030016 [myofibril] GO:0030018 [Z disc] GO:0030239 [myofibril assembly] GO:0030315 [T-tubule] GO:0031402 [sodium ion binding] GO:0031432 [titin binding] GO:0032947 [protein complex scaffold] GO:0033234 [negative regulation of protein sumoylation] GO:0043066 [negative regulation of apoptotic process] GO:0043122 [regulation of I-kappaB kinase/NF-kappaB signaling] GO:0043234 [protein complex] GO:0045214 [sarcomere organization] GO:0045862 [positive regulation of proteolysis] GO:0045892 [negative regulation of transcription, DNA-templated] GO:0045893 [positive regulation of transcription, DNA-templated] GO:0046716 [muscle cell cellular homeostasis] GO:0050790 [regulation of catalytic activity] GO:0051092 [positive regulation of NF-kappaB transcription factor activity] GO:0051281 [positive regulation of release of sequestered calcium ion into cytosol] GO:0051592 [response to calcium ion] GO:0055103 [ligase regulator activity] GO:0061061 [muscle structure development] GO:0071277 [cellular response to calcium ion] GO:0071472 [cellular response to salt stress] GO:0072657 [protein localization to membrane] GO:0097264 [self proteolysis]
Enzymes ENZYME proteins Hydrolases Peptidases Cysteine-type peptidases Predicted intracellular proteins Disease related genes Potential drug targets Protein evidence (Ezkurdia et al 2014)
Show all
GO:0003824 [catalytic activity] GO:0004198 [calcium-dependent cysteine-type endopeptidase activity] GO:0004871 [signal transducer activity] GO:0005509 [calcium ion binding] GO:0005515 [protein binding] GO:0005622 [intracellular] GO:0005634 [nucleus] GO:0005737 [cytoplasm] GO:0005829 [cytosol] GO:0005886 [plasma membrane] GO:0006461 [protein complex assembly] GO:0006508 [proteolysis] GO:0006915 [apoptotic process] GO:0007165 [signal transduction] GO:0007517 [muscle organ development] GO:0008233 [peptidase activity] GO:0008234 [cysteine-type peptidase activity] GO:0008307 [structural constituent of muscle] GO:0014718 [positive regulation of satellite cell activation involved in skeletal muscle regeneration] GO:0014850 [response to muscle activity] GO:0030016 [myofibril] GO:0030018 [Z disc] GO:0030239 [myofibril assembly] GO:0030315 [T-tubule] GO:0031402 [sodium ion binding] GO:0031432 [titin binding] GO:0032947 [protein complex scaffold] GO:0033234 [negative regulation of protein sumoylation] GO:0043066 [negative regulation of apoptotic process] GO:0043122 [regulation of I-kappaB kinase/NF-kappaB signaling] GO:0043234 [protein complex] GO:0045214 [sarcomere organization] GO:0045862 [positive regulation of proteolysis] GO:0045892 [negative regulation of transcription, DNA-templated] GO:0045893 [positive regulation of transcription, DNA-templated] GO:0046716 [muscle cell cellular homeostasis] GO:0050790 [regulation of catalytic activity] GO:0051092 [positive regulation of NF-kappaB transcription factor activity] GO:0051281 [positive regulation of release of sequestered calcium ion into cytosol] GO:0051592 [response to calcium ion] GO:0055103 [ligase regulator activity] GO:0061061 [muscle structure development] GO:0071277 [cellular response to calcium ion] GO:0071472 [cellular response to salt stress] GO:0072657 [protein localization to membrane] GO:0097264 [self proteolysis]
Enzymes ENZYME proteins Hydrolases Peptidases Cysteine-type peptidases Predicted intracellular proteins Disease related genes Potential drug targets Protein evidence (Ezkurdia et al 2014)
Show all
GO:0003824 [catalytic activity] GO:0004198 [calcium-dependent cysteine-type endopeptidase activity] GO:0004871 [signal transducer activity] GO:0005509 [calcium ion binding] GO:0005515 [protein binding] GO:0005622 [intracellular] GO:0005634 [nucleus] GO:0005737 [cytoplasm] GO:0005829 [cytosol] GO:0005886 [plasma membrane] GO:0006461 [protein complex assembly] GO:0006508 [proteolysis] GO:0006915 [apoptotic process] GO:0007165 [signal transduction] GO:0007517 [muscle organ development] GO:0008233 [peptidase activity] GO:0008234 [cysteine-type peptidase activity] GO:0008307 [structural constituent of muscle] GO:0014718 [positive regulation of satellite cell activation involved in skeletal muscle regeneration] GO:0014850 [response to muscle activity] GO:0030016 [myofibril] GO:0030018 [Z disc] GO:0030239 [myofibril assembly] GO:0030315 [T-tubule] GO:0031402 [sodium ion binding] GO:0031432 [titin binding] GO:0032947 [protein complex scaffold] GO:0033234 [negative regulation of protein sumoylation] GO:0043066 [negative regulation of apoptotic process] GO:0043122 [regulation of I-kappaB kinase/NF-kappaB signaling] GO:0043234 [protein complex] GO:0045214 [sarcomere organization] GO:0045862 [positive regulation of proteolysis] GO:0045892 [negative regulation of transcription, DNA-templated] GO:0045893 [positive regulation of transcription, DNA-templated] GO:0046716 [muscle cell cellular homeostasis] GO:0050790 [regulation of catalytic activity] GO:0051092 [positive regulation of NF-kappaB transcription factor activity] GO:0051281 [positive regulation of release of sequestered calcium ion into cytosol] GO:0051592 [response to calcium ion] GO:0055103 [ligase regulator activity] GO:0061061 [muscle structure development] GO:0071277 [cellular response to calcium ion] GO:0071472 [cellular response to salt stress] GO:0072657 [protein localization to membrane] GO:0097264 [self proteolysis]
Enzymes ENZYME proteins Hydrolases Peptidases Cysteine-type peptidases THUMBUP predicted membrane proteins Predicted intracellular proteins Disease related genes Potential drug targets Protein evidence (Kim et al 2014) Protein evidence (Ezkurdia et al 2014)
Show all
GO:0003824 [catalytic activity] GO:0004198 [calcium-dependent cysteine-type endopeptidase activity] GO:0004871 [signal transducer activity] GO:0005509 [calcium ion binding] GO:0005515 [protein binding] GO:0005622 [intracellular] GO:0005634 [nucleus] GO:0005737 [cytoplasm] GO:0005829 [cytosol] GO:0005886 [plasma membrane] GO:0006461 [protein complex assembly] GO:0006508 [proteolysis] GO:0006915 [apoptotic process] GO:0007165 [signal transduction] GO:0007517 [muscle organ development] GO:0008233 [peptidase activity] GO:0008234 [cysteine-type peptidase activity] GO:0008307 [structural constituent of muscle] GO:0014718 [positive regulation of satellite cell activation involved in skeletal muscle regeneration] GO:0014850 [response to muscle activity] GO:0030016 [myofibril] GO:0030018 [Z disc] GO:0030239 [myofibril assembly] GO:0030315 [T-tubule] GO:0031402 [sodium ion binding] GO:0031432 [titin binding] GO:0032947 [protein complex scaffold] GO:0033234 [negative regulation of protein sumoylation] GO:0043066 [negative regulation of apoptotic process] GO:0043122 [regulation of I-kappaB kinase/NF-kappaB signaling] GO:0043234 [protein complex] GO:0045214 [sarcomere organization] GO:0045862 [positive regulation of proteolysis] GO:0045892 [negative regulation of transcription, DNA-templated] GO:0045893 [positive regulation of transcription, DNA-templated] GO:0046716 [muscle cell cellular homeostasis] GO:0050790 [regulation of catalytic activity] GO:0051092 [positive regulation of NF-kappaB transcription factor activity] GO:0051281 [positive regulation of release of sequestered calcium ion into cytosol] GO:0051592 [response to calcium ion] GO:0055103 [ligase regulator activity] GO:0061061 [muscle structure development] GO:0071277 [cellular response to calcium ion] GO:0071472 [cellular response to salt stress] GO:0072657 [protein localization to membrane] GO:0097264 [self proteolysis]
Enzymes ENZYME proteins Hydrolases Peptidases Cysteine-type peptidases THUMBUP predicted membrane proteins Predicted intracellular proteins Disease related genes Potential drug targets Protein evidence (Kim et al 2014) Protein evidence (Ezkurdia et al 2014)
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GO:0001896 [autolysis] GO:0003824 [catalytic activity] GO:0004198 [calcium-dependent cysteine-type endopeptidase activity] GO:0004871 [signal transducer activity] GO:0005509 [calcium ion binding] GO:0005515 [protein binding] GO:0005622 [intracellular] GO:0005634 [nucleus] GO:0005737 [cytoplasm] GO:0005829 [cytosol] GO:0005886 [plasma membrane] GO:0006461 [protein complex assembly] GO:0006508 [proteolysis] GO:0006915 [apoptotic process] GO:0007165 [signal transduction] GO:0007517 [muscle organ development] GO:0008233 [peptidase activity] GO:0008234 [cysteine-type peptidase activity] GO:0008307 [structural constituent of muscle] GO:0014718 [positive regulation of satellite cell activation involved in skeletal muscle regeneration] GO:0014850 [response to muscle activity] GO:0030016 [myofibril] GO:0030018 [Z disc] GO:0030239 [myofibril assembly] GO:0030315 [T-tubule] GO:0031402 [sodium ion binding] GO:0031432 [titin binding] GO:0032947 [protein complex scaffold] GO:0033234 [negative regulation of protein sumoylation] GO:0043066 [negative regulation of apoptotic process] GO:0043122 [regulation of I-kappaB kinase/NF-kappaB signaling] GO:0043234 [protein complex] GO:0045214 [sarcomere organization] GO:0045661 [regulation of myoblast differentiation] GO:0045862 [positive regulation of proteolysis] GO:0045892 [negative regulation of transcription, DNA-templated] GO:0045893 [positive regulation of transcription, DNA-templated] GO:0046716 [muscle cell cellular homeostasis] GO:0050790 [regulation of catalytic activity] GO:0051092 [positive regulation of NF-kappaB transcription factor activity] GO:0051281 [positive regulation of release of sequestered calcium ion into cytosol] GO:0051592 [response to calcium ion] GO:0055103 [ligase regulator activity] GO:0061061 [muscle structure development] GO:0070315 [G1 to G0 transition involved in cell differentiation] GO:0071277 [cellular response to calcium ion] GO:0071472 [cellular response to salt stress] GO:0072657 [protein localization to membrane] GO:0097264 [self proteolysis]
Enzymes ENZYME proteins Hydrolases Peptidases Cysteine-type peptidases Predicted intracellular proteins Disease related genes Potential drug targets Protein evidence (Ezkurdia et al 2014)
Show all
GO:0003824 [catalytic activity] GO:0004198 [calcium-dependent cysteine-type endopeptidase activity] GO:0004871 [signal transducer activity] GO:0005509 [calcium ion binding] GO:0005515 [protein binding] GO:0005622 [intracellular] GO:0005634 [nucleus] GO:0005737 [cytoplasm] GO:0005829 [cytosol] GO:0005886 [plasma membrane] GO:0006461 [protein complex assembly] GO:0006508 [proteolysis] GO:0006915 [apoptotic process] GO:0007165 [signal transduction] GO:0007517 [muscle organ development] GO:0008233 [peptidase activity] GO:0008234 [cysteine-type peptidase activity] GO:0008307 [structural constituent of muscle] GO:0014718 [positive regulation of satellite cell activation involved in skeletal muscle regeneration] GO:0014850 [response to muscle activity] GO:0030016 [myofibril] GO:0030018 [Z disc] GO:0030239 [myofibril assembly] GO:0030315 [T-tubule] GO:0031402 [sodium ion binding] GO:0031432 [titin binding] GO:0032947 [protein complex scaffold] GO:0033234 [negative regulation of protein sumoylation] GO:0043066 [negative regulation of apoptotic process] GO:0043122 [regulation of I-kappaB kinase/NF-kappaB signaling] GO:0043234 [protein complex] GO:0045214 [sarcomere organization] GO:0045862 [positive regulation of proteolysis] GO:0045892 [negative regulation of transcription, DNA-templated] GO:0045893 [positive regulation of transcription, DNA-templated] GO:0046716 [muscle cell cellular homeostasis] GO:0050790 [regulation of catalytic activity] GO:0051092 [positive regulation of NF-kappaB transcription factor activity] GO:0051281 [positive regulation of release of sequestered calcium ion into cytosol] GO:0051592 [response to calcium ion] GO:0055103 [ligase regulator activity] GO:0061061 [muscle structure development] GO:0071277 [cellular response to calcium ion] GO:0071472 [cellular response to salt stress] GO:0072657 [protein localization to membrane] GO:0097264 [self proteolysis]
Enzymes ENZYME proteins Hydrolases Peptidases Cysteine-type peptidases Predicted intracellular proteins Disease related genes Potential drug targets Protein evidence (Ezkurdia et al 2014)
Show all
GO:0003824 [catalytic activity] GO:0004198 [calcium-dependent cysteine-type endopeptidase activity] GO:0004871 [signal transducer activity] GO:0005509 [calcium ion binding] GO:0005515 [protein binding] GO:0005622 [intracellular] GO:0005634 [nucleus] GO:0005737 [cytoplasm] GO:0005829 [cytosol] GO:0005886 [plasma membrane] GO:0006461 [protein complex assembly] GO:0006508 [proteolysis] GO:0006915 [apoptotic process] GO:0007165 [signal transduction] GO:0007517 [muscle organ development] GO:0008233 [peptidase activity] GO:0008234 [cysteine-type peptidase activity] GO:0008307 [structural constituent of muscle] GO:0014718 [positive regulation of satellite cell activation involved in skeletal muscle regeneration] GO:0014850 [response to muscle activity] GO:0030016 [myofibril] GO:0030018 [Z disc] GO:0030239 [myofibril assembly] GO:0030315 [T-tubule] GO:0031402 [sodium ion binding] GO:0031432 [titin binding] GO:0032947 [protein complex scaffold] GO:0033234 [negative regulation of protein sumoylation] GO:0043066 [negative regulation of apoptotic process] GO:0043122 [regulation of I-kappaB kinase/NF-kappaB signaling] GO:0043234 [protein complex] GO:0045214 [sarcomere organization] GO:0045862 [positive regulation of proteolysis] GO:0045892 [negative regulation of transcription, DNA-templated] GO:0045893 [positive regulation of transcription, DNA-templated] GO:0046716 [muscle cell cellular homeostasis] GO:0050790 [regulation of catalytic activity] GO:0051092 [positive regulation of NF-kappaB transcription factor activity] GO:0051281 [positive regulation of release of sequestered calcium ion into cytosol] GO:0051592 [response to calcium ion] GO:0055103 [ligase regulator activity] GO:0061061 [muscle structure development] GO:0071277 [cellular response to calcium ion] GO:0071472 [cellular response to salt stress] GO:0072657 [protein localization to membrane] GO:0097264 [self proteolysis]
Enzymes ENZYME proteins Hydrolases Peptidases Cysteine-type peptidases Predicted intracellular proteins Disease related genes Potential drug targets Protein evidence (Ezkurdia et al 2014)
Show all
GO:0003824 [catalytic activity] GO:0004198 [calcium-dependent cysteine-type endopeptidase activity] GO:0004871 [signal transducer activity] GO:0005509 [calcium ion binding] GO:0005515 [protein binding] GO:0005622 [intracellular] GO:0005634 [nucleus] GO:0005737 [cytoplasm] GO:0005829 [cytosol] GO:0005886 [plasma membrane] GO:0006461 [protein complex assembly] GO:0006508 [proteolysis] GO:0006915 [apoptotic process] GO:0007165 [signal transduction] GO:0007517 [muscle organ development] GO:0008233 [peptidase activity] GO:0008234 [cysteine-type peptidase activity] GO:0008307 [structural constituent of muscle] GO:0014718 [positive regulation of satellite cell activation involved in skeletal muscle regeneration] GO:0014850 [response to muscle activity] GO:0030016 [myofibril] GO:0030018 [Z disc] GO:0030239 [myofibril assembly] GO:0030315 [T-tubule] GO:0031402 [sodium ion binding] GO:0031432 [titin binding] GO:0032947 [protein complex scaffold] GO:0033234 [negative regulation of protein sumoylation] GO:0043066 [negative regulation of apoptotic process] GO:0043122 [regulation of I-kappaB kinase/NF-kappaB signaling] GO:0043234 [protein complex] GO:0045214 [sarcomere organization] GO:0045862 [positive regulation of proteolysis] GO:0045892 [negative regulation of transcription, DNA-templated] GO:0045893 [positive regulation of transcription, DNA-templated] GO:0046716 [muscle cell cellular homeostasis] GO:0050790 [regulation of catalytic activity] GO:0051092 [positive regulation of NF-kappaB transcription factor activity] GO:0051281 [positive regulation of release of sequestered calcium ion into cytosol] GO:0051592 [response to calcium ion] GO:0055103 [ligase regulator activity] GO:0061061 [muscle structure development] GO:0071277 [cellular response to calcium ion] GO:0071472 [cellular response to salt stress] GO:0072657 [protein localization to membrane] GO:0097264 [self proteolysis]