Annotations: 7X79

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Cysteine proteinases	8035587	3001808	SCOP2B (2022-06-29)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00648	Calpain family cysteine protease (Peptidase_C2)	Calpain family cysteine protease	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Calpain-1 catalytic subunit	cation binding ion binding binding calcium ion binding metal ion binding small molecule binding peptidase activity catalytic activity, acting on a protein hydrolase activity catalytic activity cysteine-type peptidase activity calcium-dependent cysteine-type endopeptidase activity cysteine-type endopeptidase activity endopeptidase activity	proteolysis self proteolysis metabolic process cellular process primary metabolic process protein metabolic process macromolecule metabolic process regulation of biological process catabolic process regulation of cellular process macroautophagy autophagy biological regulation regulation of catabolic process proteolysis self proteolysis metabolic process cellular process primary metabolic process protein metabolic process macromolecule metabolic process regulation of biological process catabolic process regulation of cellular process macroautophagy autophagy biological regulation regulation of catabolic process regulation of autophagy regulation of macroautophagy process utilizing autophagic mechanism regulation of metabolic process developmental process multicellular organismal process mammary gland morphogenesis mammary gland development gland development animal organ development anatomical structure morphogenesis gland morphogenesis tissue remodeling anatomical structure development mammary gland involution animal organ morphogenesis cell population proliferation positive regulation of cell population proliferation regulation of cell population proliferation positive regulation of biological process positive regulation of cellular process regulation of molecular function regulation of catalytic activity cellular response to stimulus ligand-gated ion channel signaling pathway response to stimulus cell surface receptor signaling pathway signaling ionotropic glutamate receptor signaling pathway glutamate receptor signaling pathway NMDA selective glutamate receptor signaling pathway cell communication signal transduction cellular catabolic process receptor catabolic process receptor metabolic process macromolecule catabolic process	membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure mitochondrion organelle cytoplasm intracellular membrane-bounded organelle anchoring junction cell junction focal adhesion cell-substrate junction cell periphery plasma membrane membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure mitochondrion organelle cytoplasm intracellular membrane-bounded organelle anchoring junction cell junction focal adhesion cell-substrate junction cell periphery plasma membrane membrane cornified envelope extracellular exosome extracellular vesicle extracellular organelle extracellular region extracellular space vesicle extracellular membrane-bounded organelle cytosol membrane-enclosed lumen intracellular vesicle ficolin-1-rich granule endomembrane system intracellular organelle lumen organelle lumen cytoplasmic vesicle ficolin-1-rich granule lumen secretory granule secretory vesicle lytic vacuole vacuole lysosome protein-containing complex catalytic complex caspase complex peptidase complex calpain complex endopeptidase complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR022684	Peptidase C2, calpain family	Family
A	IPR000169	Cysteine peptidase, cysteine active site	Active Site
A	IPR038765	Papain-like cysteine peptidase superfamily	Homologous Superfamily
A	IPR002048	EF-hand domain	Domain
A	IPR011992	EF-hand domain pair	Homologous Superfamily
A	IPR001300	Peptidase C2, calpain, catalytic domain	Domain
A	IPR018247	EF-Hand 1, calcium-binding site	Binding Site
A	IPR050420	Calpain	Unknown
A	IPR022683	Peptidase C2, calpain, domain III	Domain
A	IPR033883	Calpain subdomain III	Domain
A	IPR036213	Calpain large subunit, domain III superfamily	Homologous Superfamily
A	IPR022682	Peptidase C2, calpain, large subunit, domain III	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: P07384	autosomal recessive spastic paraplegia type 76 melanoma optic neuritis cancer hereditary spastic paraplegia acne cutaneous melanoma interstitial cystitis neurodegenerative disease osteosarcoma atopic eczema benign neoplasm diabetes mellitus Neuropapillitis paraplegia autosomal recessive spastic paraplegia type 76 melanoma optic neuritis cancer hereditary spastic paraplegia acne cutaneous melanoma interstitial cystitis neurodegenerative disease osteosarcoma atopic eczema benign neoplasm diabetes mellitus Neuropapillitis paraplegia atypical teratoid rhabdoid tumor retrobulbar neuritis

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.