1LKX

MOTOR DOMAIN OF MYOE, A CLASS-I MYOSIN

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
C	d1lkxc_	Alpha and beta proteins (a/b)	P-loop containing nucleoside triphosphate hydrolases	P-loop containing nucleoside triphosphate hydrolases	Motor proteins	Myosin S1, motor domain	(Dictyostelium discoideum ) [TaxId: 44689 ],	SCOPe (2.08)
D	d1lkxd_	Alpha and beta proteins (a/b)	P-loop containing nucleoside triphosphate hydrolases	P-loop containing nucleoside triphosphate hydrolases	Motor proteins	Myosin S1, motor domain	(Dictyostelium discoideum ) [TaxId: 44689 ],	SCOPe (2.08)
A	d1lkxa_	Alpha and beta proteins (a/b)	P-loop containing nucleoside triphosphate hydrolases	P-loop containing nucleoside triphosphate hydrolases	Motor proteins	Myosin S1, motor domain	(Dictyostelium discoideum ) [TaxId: 44689 ],	SCOPe (2.08)
B	d1lkxb_	Alpha and beta proteins (a/b)	P-loop containing nucleoside triphosphate hydrolases	P-loop containing nucleoside triphosphate hydrolases	Motor proteins	Myosin S1, motor domain	(Dictyostelium discoideum ) [TaxId: 44689 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
C	SCOP2B Superfamily	P-loop motor domain	8041356	3002036	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	P-loop motor domain	8041356	3002036	SCOP2B (2022-06-29)
A	SCOP2 Family	Myosin motor domain	8028977	4004054	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	P-loop motor domain	8041356	3002036	SCOP2 (2022-06-29)
B	SCOP2B Superfamily	P-loop motor domain	8041356	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)
C	Myosin_head	e1lkxC1	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	ECOD (1.6)
D	Myosin_head	e1lkxD1	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	ECOD (1.6)
A	Myosin_head	e1lkxA1	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	ECOD (1.6)
B	Myosin_head	e1lkxB1	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	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
C	3.40.850.10	Alpha Beta	3-Layer(aba) Sandwich	Kinesin	Kinesin motor domain	CATH (4.3.0)
C	1.10.10.820	Mainly Alpha	Orthogonal Bundle	Arc Repressor Mutant, subunit A		CATH (4.3.0)
C	1.20.120.720	Mainly Alpha	Up-down Bundle	Four Helix Bundle (Hemerythrin (Met), subunit A)	Myosin VI head, motor domain, U50 subdomain	CATH (4.3.0)
C	1.20.58.530	Mainly Alpha	Up-down Bundle	Methane Monooxygenase Hydroxylase	Chain G, domain 1	CATH (4.3.0)
D	3.40.850.10	Alpha Beta	3-Layer(aba) Sandwich	Kinesin	Kinesin motor domain	CATH (4.3.0)
D	1.10.10.820	Mainly Alpha	Orthogonal Bundle	Arc Repressor Mutant, subunit A		CATH (4.3.0)
D	1.20.120.720	Mainly Alpha	Up-down Bundle	Four Helix Bundle (Hemerythrin (Met), subunit A)	Myosin VI head, motor domain, U50 subdomain	CATH (4.3.0)
D	1.20.58.530	Mainly Alpha	Up-down Bundle	Methane Monooxygenase Hydroxylase	Chain G, domain 1	CATH (4.3.0)
A	3.40.850.10	Alpha Beta	3-Layer(aba) Sandwich	Kinesin	Kinesin motor domain	CATH (4.3.0)
A	1.10.10.820	Mainly Alpha	Orthogonal Bundle	Arc Repressor Mutant, subunit A		CATH (4.3.0)
A	1.20.120.720	Mainly Alpha	Up-down Bundle	Four Helix Bundle (Hemerythrin (Met), subunit A)	Myosin VI head, motor domain, U50 subdomain	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)
B	3.40.850.10	Alpha Beta	3-Layer(aba) Sandwich	Kinesin	Kinesin motor domain	CATH (4.3.0)
B	1.10.10.820	Mainly Alpha	Orthogonal Bundle	Arc Repressor Mutant, subunit A		CATH (4.3.0)
B	1.20.120.720	Mainly Alpha	Up-down Bundle	Four Helix Bundle (Hemerythrin (Met), subunit A)	Myosin VI head, motor domain, U50 subdomain	CATH (4.3.0)
B	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, B, C, D	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, B, C, D	MYOSIN IE HEAVY CHAIN	cytoskeletal protein binding actin binding protein-containing complex binding protein binding binding actin filament 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 cytoskeletal protein binding actin binding protein-containing complex binding protein binding binding actin filament 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 phosphatidylinositol-3,4,5-trisphosphate binding phospholipid binding lipid binding phosphatidylinositol phosphate binding phosphatidylinositol binding calmodulin binding cytoskeletal motor activity microfilament motor activity ATP-dependent activity	membrane organization import into cell transport establishment of localization vesicle-mediated transport cellular component organization localization phagocytosis, engulfment membrane invagination cellular process phagocytosis cellular component organization or biogenesis endocytosis plasma membrane invagination membrane organization import into cell transport establishment of localization vesicle-mediated transport cellular component organization localization phagocytosis, engulfment membrane invagination cellular process phagocytosis cellular component organization or biogenesis endocytosis plasma membrane invagination chemotaxis response to stimulus chemotaxis to cAMP taxis response to chemical response to external stimulus locomotion protein polymerization actin polymerization or depolymerization actin filament polymerization actin cytoskeleton organization protein-containing complex organization actin filament organization cellular component biogenesis organelle organization cellular component assembly protein-containing complex assembly actin filament-based process supramolecular fiber organization cytoskeleton organization vesicle transport along actin filament vesicle cytoskeletal trafficking vesicle localization establishment of organelle localization cellular localization establishment of vesicle localization intracellular transport actin filament-based movement organelle localization establishment of localization in cell cytoskeleton-dependent intracellular transport actin filament-based transport	cell projection macropinocytic cup cellular anatomical entity plasma membrane bounded cell projection pseudopodium cell periphery macropinocytic cup membrane membrane plasma membrane plasma membrane region cell projection membrane membrane-bounded organelle organelle vesicle cell projection macropinocytic cup cellular anatomical entity plasma membrane bounded cell projection pseudopodium cell periphery macropinocytic cup membrane membrane plasma membrane plasma membrane region cell projection membrane membrane-bounded organelle organelle vesicle intracellular organelle intracellular anatomical structure cytoskeleton intracellular non-membrane-bounded organelle actin cytoskeleton non-membrane-bounded organelle cytoplasm cytosol cell leading edge actin wave early phagosome intracellular vesicle phagocytic vesicle intracellular membrane-bounded organelle cytoplasmic vesicle endocytic vesicle protein-containing complex myosin complex macropinocytic cup cytoskeleton cell cortex cortical cytoskeleton cortical actin cytoskeleton pseudopodium membrane phagocytic cup leading edge membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR036961	Kinesin motor domain superfamily	Homologous Superfamily
A, B, C, D	IPR010926	Class I myosin tail homology domain	Domain
A, B, C, D	IPR000048	IQ motif, EF-hand binding site	Binding Site
A, B, C, D	IPR036072	Class I myosin, motor domain	Domain
A, B, C, D	IPR027417	P-loop containing nucleoside triphosphate hydrolase	Homologous Superfamily
A, B, C, D	IPR001609	Myosin head, motor domain	Domain

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.