Annotations: 3MJX

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Myosin s1 fragment, N-terminal domain	8037432	3000319	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	P-loop motor domain	8037429	3002036	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	Myosin_N	e3mjxA1	A: beta barrels	X: SH3	H: SH3	T: SH3	F: Myosin_N	ECOD (1.6)
A	Myosin_head_2	e3mjxA2	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Myosin_head_2	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.30.30.360	Mainly Beta	Roll	SH3 type barrels.	Myosin S1 fragment, N-terminal	CATH (4.3.0)
A	1.20.58.530	Mainly Alpha	Up-down Bundle	Methane Monooxygenase Hydroxylase	Chain G, domain 1	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	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	PF00063	Myosin head (motor domain) (Myosin_head)	Myosin head (motor domain)	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Myosin-2 heavy chain	cytoskeletal protein binding actin binding protein-containing complex binding protein binding binding actin filament binding nucleoside phosphate binding purine nucleotide binding organic cyclic compound binding adenyl nucleotide binding nucleotide binding heterocyclic compound binding small molecule binding cytoskeletal motor activity cytoskeletal protein binding actin binding protein-containing complex binding protein binding binding actin filament binding nucleoside phosphate binding purine nucleotide binding organic cyclic compound binding adenyl nucleotide binding nucleotide binding heterocyclic compound binding small molecule binding cytoskeletal motor activity 14-3-3 protein binding adenyl ribonucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding ion binding anion binding ATP binding carbohydrate derivative binding ribonucleotide binding calmodulin binding identical protein binding calcium-dependent ATPase activity ATP-dependent activity microfilament motor activity	cellular component organization plasma membrane bounded cell projection organization cell projection organization uropod organization cellular process cellular component organization or biogenesis uropod retraction protein localization localization cellular localization cellular macromolecule localization macromolecule localization cellular response to stimulus developmental process cellular component organization plasma membrane bounded cell projection organization cell projection organization uropod organization cellular process cellular component organization or biogenesis uropod retraction protein localization localization cellular localization cellular macromolecule localization macromolecule localization cellular response to stimulus developmental process response to nutrient levels response to stimulus biological process involved in intraspecies interaction between organisms aggregation involved in sorocarp development cellular response to starvation cellular response to nutrient levels sorocarp development cellular response to stress response to stress anatomical structure development response to starvation socially cooperative development cellular component disassembly pseudopodium retraction pseudopodium organization actin filament-based process actin-mediated cell contraction actin filament-based movement actin-myosin filament sliding chemotaxis taxis response to chemical response to external stimulus locomotion organelle organization actin cytoskeleton organization cortical actin cytoskeleton organization cortical cytoskeleton organization cytoskeleton organization response to organophosphorus response to oxygen-containing compound response to nitrogen compound response to purine-containing compound response to cAMP response to organic cyclic compound response to ketone response to ether response to differentiation-inducing factor 1 cell motility protein-containing complex organization myosin filament assembly myosin filament organization cellular component biogenesis cellular component assembly protein-containing complex assembly supramolecular fiber organization response to hydrogen peroxide response to oxidative stress response to reactive oxygen species vesicle organization vacuole organization contractile vacuole organization culmination involved in sorocarp development cytoplasmic actin-based contraction involved in forward cell motility cytoplasmic actin-based contraction involved in cell motility mitotic cell cycle process cytoskeleton-dependent cytokinesis mitotic cytokinesis cytokinesis cell division cell cycle mitotic cell cycle cell cycle process bleb assembly plasma membrane bounded cell projection assembly cell projection assembly detection of external stimulus detection of stimulus detection of mechanical stimulus response to mechanical stimulus response to abiotic stimulus detection of abiotic stimulus actin filament organization actin filament bundle organization contractile actin filament bundle assembly actin filament bundle assembly substrate-dependent cell migration, cell extension substrate-dependent cell migration cell migration regulation of cytoskeleton organization regulation of cellular process regulation of cellular component organization regulation of actin filament-based process regulation of cellular component size negative regulation of biological process regulation of protein-containing complex assembly negative regulation of cellular process negative regulation of protein polymerization regulation of actin filament polymerization regulation of biological quality negative regulation of supramolecular fiber organization negative regulation of actin filament polymerization protein polymerization actin polymerization or depolymerization regulation of biological process regulation of actin filament organization actin filament polymerization negative regulation of cellular component organization negative regulation of cytoskeleton organization biological regulation regulation of actin polymerization or depolymerization regulation of cellular component biogenesis regulation of organelle organization negative regulation of protein-containing complex assembly negative regulation of organelle organization regulation of protein polymerization regulation of actin filament length regulation of actin cytoskeleton organization regulation of supramolecular fiber organization regulation of anatomical structure size regulation of developmental process regulation of cell shape cell morphogenesis regulation of cell morphogenesis anatomical structure morphogenesis regulation of anatomical structure morphogenesis filopodium assembly response to osmotic stress hypotonic response	cell projection cellular anatomical structure pseudopodium plasma membrane bounded cell projection pathogen-containing vacuole host cellular component host cell part intracellular organelle intracellular anatomical structure cytoskeleton organelle membraneless organelle intracellular membraneless organelle actin cytoskeleton cell projection cellular anatomical structure pseudopodium plasma membrane bounded cell projection pathogen-containing vacuole host cellular component host cell part intracellular organelle intracellular anatomical structure cytoskeleton organelle membraneless organelle intracellular membraneless organelle actin cytoskeleton actomyosin cytoplasm cytosol contractile ring cell division site cell cortex cortical cytoskeleton actomyosin contractile ring cell periphery cortical actin cytoskeleton protein-containing complex myosin complex myosin II complex apical part of cell cell cortex region cytoplasmic region apical cortex cell trailing edge equatorial cell cortex myosin filament supramolecular fiber supramolecular polymer supramolecular complex membrane-bounded organelle early phagosome intracellular vesicle phagocytic vesicle intracellular membrane-bounded organelle cytoplasmic vesicle vesicle endocytic vesicle extracellular matrix external encapsulating structure cleavage furrow membrane plasma membrane plasma membrane region phagocytic cup base phagocytic cup uropod

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR027417	P-loop containing nucleoside triphosphate hydrolase	Homologous Superfamily
A	IPR004009	Myosin, N-terminal, SH3-like	Domain
A	IPR036961	Kinesin motor domain superfamily	Homologous Superfamily
A	IPR001609	Myosin head, motor domain-like	Domain
A	IPR002928	Myosin tail	Domain
A	IPR008989	Myosin S1 fragment, N-terminal	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 R01GM157729.