Annotations: 6XE9

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	EF-hand	8102194	3001983	SCOP2B (2022-06-29)
E [auth N]	SCOP2B Superfamily	EF-hand	8102194	3001983	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	EF-hand	8102092	3001983	SCOP2B (2022-06-29)
F [auth O]	SCOP2B Superfamily	EF-hand	8102092	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)
B	F_UNCLASSIFIED	e6xe9B1	A: alpha arrays	X: EF-hand	H: EF-hand-related	T: EF-hand	F: F_UNCLASSIFIED	ECOD (1.6)
E [auth N]	F_UNCLASSIFIED	e6xe9N1	A: alpha arrays	X: EF-hand	H: EF-hand-related	T: EF-hand	F: F_UNCLASSIFIED	ECOD (1.6)
C	PF13499	e6xe9C2	A: alpha arrays	X: EF-hand	H: EF-hand-related	T: EF-hand	F: PF13499	ECOD (1.6)
F [auth O]	PF13499	e6xe9O1	A: alpha arrays	X: EF-hand	H: EF-hand-related	T: EF-hand	F: PF13499	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, D [auth M]	PF02736	Myosin N-terminal SH3-like domain (Myosin_N)	Myosin N-terminal SH3-like domain	This domain has an SH3-like fold. It is found at the N-terminus of many but not all myosins. The function of this domain is unknown.	Domain
A, D [auth M]	PF00063	Myosin head (motor domain) (Myosin_head)	Myosin head (motor domain)	-	Domain
A, D [auth M]	PF01576	Myosin tail (Myosin_tail_1)	Myosin tail	-	Coiled-coil
C, F [auth O]	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, D [auth M]	Myosin II heavy chain (smooth muscle)	binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding organic cyclic compound binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding organic cyclic compound binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding cytoskeletal motor activity cytoskeletal protein binding actin binding protein-containing complex binding protein binding actin filament binding	-	intracellular organelle protein-containing complex intracellular anatomical structure cytoskeleton organelle intracellular non-membrane-bounded organelle cellular anatomical entity actin cytoskeleton non-membrane-bounded organelle myosin complex
B, E [auth N]	Myosin light chain smooth muscle isoform	cation binding ion binding binding calcium ion binding metal ion binding small molecule binding	-	intracellular anatomical structure cytoplasm cellular anatomical entity cytosol
C, F [auth O]	Myosin light chain 9	cation binding ion binding binding calcium ion binding metal ion binding small molecule binding	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, D [auth M]	IPR036961	Kinesin motor domain superfamily	Homologous Superfamily
A, D [auth M]	IPR004009	Myosin, N-terminal, SH3-like	Domain
A, D [auth M]	IPR008989	Myosin S1 fragment, N-terminal	Homologous Superfamily
A, D [auth M]	IPR014751	DNA repair protein XRCC4-like, C-terminal	Homologous Superfamily
A, D [auth M]	IPR000048	IQ motif, EF-hand binding site	Binding Site
A, D [auth M]	IPR001609	Myosin head, motor domain	Domain
A, D [auth M]	IPR002928	Myosin tail	Domain
A, D [auth M]	IPR027417	P-loop containing nucleoside triphosphate hydrolase	Homologous Superfamily
B, E [auth N]	IPR002048	EF-hand domain	Domain
B, E [auth N]	IPR011992	EF-hand domain pair	Homologous Superfamily
C, F [auth O]	IPR018247	EF-Hand 1, calcium-binding site	Binding Site
C, F [auth O]	IPR002048	EF-hand domain	Domain
C, F [auth O]	IPR011992	EF-hand domain pair	Homologous Superfamily

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 R01GM133198.