Annotations: 1AJ4

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1aj4a_	All alpha proteins	EF Hand-like	EF-hand	Calmodulin-like	Troponin C	chicken (Gallus gallus ) [TaxId: 9031 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	EF-hand	8072379	3001983	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PF13833	e1aj4A1	A: alpha arrays	X: EF-hand	H: EF-hand-related	T: EF-hand	F: PF13833	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.10.238.10	Mainly Alpha	Orthogonal Bundle	Recoverin	domain 1	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF13833	EF-hand domain pair (EF-hand_8)	EF-hand domain pair	-	Domain
A	PF13499	EF-hand domain pair (EF-hand_7)	EF-hand domain pair	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	TROPONIN C	cation binding ion binding binding calcium ion binding metal ion binding small molecule binding calcium-dependent protein binding protein binding cytoskeletal protein binding troponin I binding	multicellular organismal movement musculoskeletal movement multicellular organismal process system process nervous system process neuromuscular process skeletal muscle contraction muscle contraction muscle system process striated muscle contraction heart process circulatory system process cardiac muscle contraction heart contraction multicellular organismal movement musculoskeletal movement multicellular organismal process system process nervous system process neuromuscular process skeletal muscle contraction muscle contraction muscle system process striated muscle contraction heart process circulatory system process cardiac muscle contraction heart contraction blood circulation	striated muscle thin filament protein-containing complex intracellular anatomical structure myofilament cellular anatomical entity actin cytoskeleton sarcomere intracellular organelle troponin complex cytoskeleton organelle intracellular non-membrane-bounded organelle contractile muscle fiber cardiac Troponin complex striated muscle thin filament protein-containing complex intracellular anatomical structure myofilament cellular anatomical entity actin cytoskeleton sarcomere intracellular organelle troponin complex cytoskeleton organelle intracellular non-membrane-bounded organelle contractile muscle fiber cardiac Troponin complex cytoplasm supramolecular fiber myofibril supramolecular polymer supramolecular complex non-membrane-bounded organelle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR018247	EF-Hand 1, calcium-binding site	Binding Site
A	IPR002048	EF-hand domain	Domain
A	IPR011992	EF-hand domain pair	Homologous Superfamily

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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 R01GM133198.