8Q6T

Helical reconstruction of the relaxed thick filament from FIB milled left ventricular mouse myofibrils

External Resource: Annotation

Domain Annotation: ECOD Classification
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
E	PF13499	e8q6tE1	A: alpha arrays	X: EF-hand	H: EF-hand-related	T: EF-hand	F: PF13499	ECOD (1.6)
F	PF13499	e8q6tF1	A: alpha arrays	X: EF-hand	H: EF-hand-related	T: EF-hand	F: PF13499	ECOD (1.6)
L	PF13499	e8q6tL1	A: alpha arrays	X: EF-hand	H: EF-hand-related	T: EF-hand	F: PF13499	ECOD (1.6)
M	PF13499	e8q6tM1	A: alpha arrays	X: EF-hand	H: EF-hand-related	T: EF-hand	F: PF13499	ECOD (1.6)
T	PF13499	e8q6tT2	A: alpha arrays	X: EF-hand	H: EF-hand-related	T: EF-hand	F: PF13499	ECOD (1.6)
U	PF13499	e8q6tU1	A: alpha arrays	X: EF-hand	H: EF-hand-related	T: EF-hand	F: PF13499	ECOD (1.6)
G	PF00041	e8q6tG1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PF00041	ECOD (1.6)
G	PF07679	e8q6tG4	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PF07679	ECOD (1.6)
V	PF00041	e8q6tV1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PF00041	ECOD (1.6)
V	PF07679	e8q6tV4	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PF07679	ECOD (1.6)
I	PF00041	e8q6tI3	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PF00041	ECOD (1.6)
I	PF07679	e8q6tI9	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PF07679	ECOD (1.6)
P	PF00041	e8q6tP3	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PF00041	ECOD (1.6)
P	PF07679	e8q6tP9	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PF07679	ECOD (1.6)
C	F_UNCLASSIFIED	e8q6tC1	A: alpha arrays	X: EF-hand	H: EF-hand-related	T: EF-hand	F: F_UNCLASSIFIED	ECOD (1.6)
D	F_UNCLASSIFIED	e8q6tD2	A: alpha arrays	X: EF-hand	H: EF-hand-related	T: EF-hand	F: F_UNCLASSIFIED	ECOD (1.6)
J	F_UNCLASSIFIED	e8q6tJ2	A: alpha arrays	X: EF-hand	H: EF-hand-related	T: EF-hand	F: F_UNCLASSIFIED	ECOD (1.6)
K	F_UNCLASSIFIED	e8q6tK1	A: alpha arrays	X: EF-hand	H: EF-hand-related	T: EF-hand	F: F_UNCLASSIFIED	ECOD (1.6)
R	F_UNCLASSIFIED	e8q6tR1	A: alpha arrays	X: EF-hand	H: EF-hand-related	T: EF-hand	F: F_UNCLASSIFIED	ECOD (1.6)
S	F_UNCLASSIFIED	e8q6tS1	A: alpha arrays	X: EF-hand	H: EF-hand-related	T: EF-hand	F: F_UNCLASSIFIED	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, H, N, O A, B, H, N, O, Q	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, B, H, N, O A, B, H, N, O, Q	PF00063	Myosin head (motor domain) (Myosin_head)	Myosin head (motor domain)	-	Domain
A, B, H, N, O A, B, H, N, O, Q	PF01576	Myosin tail (Myosin_tail_1)	Myosin tail	-	Coiled-coil
E, F, L, M, T E, F, L, M, T, U	PF13499	EF-hand domain pair (EF-hand_7)	EF-hand domain pair	-	Domain
G, V	PF00041	Fibronectin type III domain (fn3)	Fibronectin type III domain	-	Domain
G, V	PF07679	Immunoglobulin I-set domain (I-set)	Immunoglobulin I-set domain	-	Domain
I, P	PF00041	Fibronectin type III domain (fn3)	Fibronectin type III domain	-	Domain
I, P	PF07679	Immunoglobulin I-set domain (I-set)	Immunoglobulin I-set domain	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, H, N, O A, B, H, N, O, Q	Myosin-7	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 calmodulin binding pyrophosphatase activity ATP hydrolysis activity ribonucleoside triphosphate phosphatase activity hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides hydrolase activity hydrolase activity, acting on acid anhydrides catalytic activity ATP-dependent activity identical protein binding cytoskeletal motor activity microfilament motor activity	heart process multicellular organismal process system process regulation of biological process regulation of heart contraction regulation of system process biological regulation circulatory system process regulation of blood circulation regulation of multicellular organismal process regulation of biological quality heart contraction blood circulation regulation of heart rate heart process multicellular organismal process system process regulation of biological process regulation of heart contraction regulation of system process biological regulation circulatory system process regulation of blood circulation regulation of multicellular organismal process regulation of biological quality heart contraction blood circulation regulation of heart rate ribose phosphate metabolic process ATP metabolic process carbohydrate derivative metabolic process nucleobase-containing compound metabolic process purine nucleotide metabolic process ribonucleotide metabolic process nucleobase-containing small molecule metabolic process purine ribonucleoside triphosphate metabolic process phosphate-containing compound metabolic process small molecule metabolic process phosphorus metabolic process ribonucleoside triphosphate metabolic process nucleoside phosphate metabolic process purine nucleoside triphosphate metabolic process organonitrogen compound metabolic process cellular metabolic process primary metabolic process nucleotide metabolic process purine-containing compound metabolic process organophosphate metabolic process metabolic process cellular process nucleoside triphosphate metabolic process purine ribonucleotide metabolic process regulation of the force of heart contraction regulation of muscle adaptation striated muscle adaptation response to stimulus transition between fast and slow fiber regulation of skeletal muscle adaptation muscle system process regulation of muscle system process muscle adaptation regulation of response to stimulus skeletal muscle adaptation slow-twitch skeletal muscle fiber contraction twitch skeletal muscle contraction striated muscle contraction multicellular organismal movement musculoskeletal movement regulation of twitch skeletal muscle contraction regulation of skeletal muscle contraction regulation of slow-twitch skeletal muscle fiber contraction nervous system process neuromuscular process skeletal muscle contraction muscle contraction voluntary skeletal muscle contraction regulation of striated muscle contraction regulation of muscle contraction muscle filament sliding actin filament-based process actin-mediated cell contraction actin filament-based movement actin-myosin filament sliding cardiac muscle contraction developmental process heart development multicellular organism development anatomical structure development animal organ development adult heart development circulatory system development system development ventricular cardiac muscle tissue morphogenesis heart morphogenesis striated muscle tissue development muscle structure development ventricular cardiac muscle tissue development cardiac chamber development animal organ morphogenesis muscle tissue development muscle organ development cardiac chamber morphogenesis cardiac muscle tissue development tissue development muscle tissue morphogenesis anatomical structure morphogenesis tissue morphogenesis cardiac ventricle morphogenesis cardiac muscle tissue morphogenesis cardiac ventricle development muscle organ morphogenesis regulation of the force of skeletal muscle contraction regulation of skeletal muscle contraction by chemo-mechanical energy conversion cellular developmental process cellular component assembly involved in morphogenesis non-membrane-bounded organelle assembly cell development muscle cell differentiation cellular component organization cellular component biogenesis striated muscle cell development cellular anatomical entity morphogenesis cellular component assembly muscle cell development cell differentiation sarcomere organization cellular component organization or biogenesis actomyosin structure organization actin cytoskeleton organization organelle assembly myofibril assembly organelle organization anatomical structure formation involved in morphogenesis striated muscle cell differentiation supramolecular fiber organization cytoskeleton organization muscle hypertrophy striated muscle hypertrophy cardiac muscle adaptation response to stress cardiac muscle hypertrophy cardiac muscle hypertrophy in response to stress muscle hypertrophy in response to stress	intracellular anatomical structure cellular anatomical entity Z disc sarcomere intracellular organelle I band organelle intracellular non-membrane-bounded organelle contractile muscle fiber cytoplasm supramolecular fiber myofibril supramolecular polymer supramolecular complex intracellular anatomical structure cellular anatomical entity Z disc sarcomere intracellular organelle I band organelle intracellular non-membrane-bounded organelle contractile muscle fiber cytoplasm supramolecular fiber myofibril supramolecular polymer supramolecular complex non-membrane-bounded organelle protein-containing complex actin cytoskeleton myosin complex cytoskeleton myosin II complex muscle myosin complex myosin filament actin filament bundle actomyosin stress fiber contractile actin filament bundle
E, F, L, M, T E, F, L, M, T, U	Myosin regulatory light chain 2, ventricular/cardiac muscle isoform	cation binding ion binding binding calcium ion binding metal ion binding small molecule binding structural molecule activity structural constituent of muscle	heart process multicellular organismal process system process circulatory system process heart contraction blood circulation developmental process heart development multicellular organism development anatomical structure development animal organ development circulatory system development system development regulation of biological process heart process multicellular organismal process system process circulatory system process heart contraction blood circulation developmental process heart development multicellular organism development anatomical structure development animal organ development circulatory system development system development regulation of biological process regulation of heart contraction regulation of system process biological regulation regulation of blood circulation positive regulation of the force of heart contraction regulation of multicellular organismal process regulation of biological quality regulation of the force of heart contraction cellular developmental process muscle cell fate specification muscle cell fate commitment cell fate specification muscle cell differentiation muscle structure development cell differentiation cellular process cell fate commitment cardiac muscle contraction muscle contraction muscle system process striated muscle contraction cardiac muscle cell development cellular component assembly involved in morphogenesis non-membrane-bounded organelle assembly cell development striated muscle tissue development cellular component organization cellular component biogenesis striated muscle cell development cellular anatomical entity morphogenesis cellular component assembly muscle cell development actin filament-based process cellular component organization or biogenesis cardiac cell development muscle tissue development actomyosin structure organization actin cytoskeleton organization organelle assembly cardiac muscle tissue development cardiac muscle cell differentiation tissue development cardiocyte differentiation anatomical structure morphogenesis myofibril assembly organelle organization cardiac myofibril assembly anatomical structure formation involved in morphogenesis striated muscle cell differentiation supramolecular fiber organization cytoskeleton organization post-embryonic development heart morphogenesis animal organ morphogenesis	intracellular anatomical structure cellular anatomical entity intracellular organelle organelle intracellular non-membrane-bounded organelle contractile muscle fiber cytoplasm supramolecular fiber myofibril supramolecular polymer supramolecular complex non-membrane-bounded organelle sarcomere A band intracellular anatomical structure cellular anatomical entity intracellular organelle organelle intracellular non-membrane-bounded organelle contractile muscle fiber cytoplasm supramolecular fiber myofibril supramolecular polymer supramolecular complex non-membrane-bounded organelle sarcomere A band protein-containing complex cytoskeleton actin cytoskeleton myosin complex
G, V	Myosin binding protein C, cardiac	myosin heavy chain binding cytoskeletal protein binding protein binding binding myosin binding actin binding	-	intracellular organelle intracellular anatomical structure organelle intracellular non-membrane-bounded organelle cellular anatomical entity non-membrane-bounded organelle myosin filament supramolecular fiber supramolecular polymer supramolecular complex
I, P	Titin	structural molecule activity structural constituent of muscle cytoskeletal protein binding ankyrin binding protein binding binding catalytic activity, acting on a protein kinase activity protein kinase activity transferase activity catalytic activity protein serine kinase activity phosphotransferase activity, alcohol group as acceptor transferase activity, transferring phosphorus-containing groups structural molecule activity structural constituent of muscle cytoskeletal protein binding ankyrin binding protein binding binding catalytic activity, acting on a protein kinase activity protein kinase activity transferase activity catalytic activity protein serine kinase activity phosphotransferase activity, alcohol group as acceptor transferase activity, transferring phosphorus-containing groups protein tyrosine kinase activity 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 protein serine/threonine kinase activity calmodulin binding structural constituent of cytoskeleton cation binding metal ion binding	developmental process heart development multicellular organism development multicellular organismal process anatomical structure development animal organ development circulatory system development system development cardiac muscle tissue development heart morphogenesis tissue development muscle tissue morphogenesis striated muscle tissue development muscle structure development developmental process heart development multicellular organism development multicellular organismal process anatomical structure development animal organ development circulatory system development system development cardiac muscle tissue development heart morphogenesis tissue development muscle tissue morphogenesis striated muscle tissue development muscle structure development anatomical structure morphogenesis tissue morphogenesis cardiac muscle tissue morphogenesis animal organ morphogenesis muscle organ development muscle tissue development muscle organ morphogenesis system process regulation of biological process relaxation of cardiac muscle regulation of relaxation of cardiac muscle regulation of system process biological regulation regulation of muscle system process muscle system process relaxation of muscle regulation of multicellular organismal process regulation of relaxation of muscle somitogenesis epithelium development chordate embryonic development segmentation anterior/posterior pattern specification pattern specification process embryo development regionalization embryo development ending in birth or egg hatching somite development anatomical structure formation involved in morphogenesis in utero embryonic development heart growth developmental growth growth organ growth cellular developmental process cardiac muscle cell development cellular component assembly involved in morphogenesis non-membrane-bounded organelle assembly cell development muscle cell differentiation cellular component organization cellular component biogenesis striated muscle cell development cellular anatomical entity morphogenesis cellular component assembly muscle cell development cell differentiation actin filament-based process cellular component organization or biogenesis cardiac cell development actomyosin structure organization actin cytoskeleton organization organelle assembly cardiac muscle cell differentiation cardiocyte differentiation myofibril assembly organelle organization cardiac myofibril assembly cellular process striated muscle cell differentiation supramolecular fiber organization cytoskeleton organization phosphorylation cellular metabolic process phosphate-containing compound metabolic process metabolic process phosphorus metabolic process detection of external stimulus detection of stimulus response to stimulus detection of mechanical stimulus detection of muscle stretch response to mechanical stimulus response to external stimulus response to abiotic stimulus detection of abiotic stimulus response to muscle stretch muscle contraction adult heart development head development brain development nervous system development central nervous system development ventricular system development sarcomere organization forward locomotion directional locomotion locomotion	M band intracellular anatomical structure cellular anatomical entity sarcomere intracellular organelle organelle intracellular non-membrane-bounded organelle contractile muscle fiber A band cytoplasm supramolecular fiber myofibril supramolecular polymer supramolecular complex M band intracellular anatomical structure cellular anatomical entity sarcomere intracellular organelle organelle intracellular non-membrane-bounded organelle contractile muscle fiber A band cytoplasm supramolecular fiber myofibril supramolecular polymer supramolecular complex non-membrane-bounded organelle Z disc I band protein-containing complex actin cytoskeleton myosin complex cytoskeleton myosin II complex muscle myosin complex membrane-bounded organelle nucleus intracellular membrane-bounded organelle
C, D, J, K, R C, D, J, K, R, S	Myosin light chain 3	cation binding ion binding binding calcium ion binding metal ion binding small molecule binding cytoskeletal motor activity cytoskeletal protein binding actin monomer binding actin binding protein binding	heart process multicellular organismal process system process regulation of biological process regulation of heart contraction regulation of system process biological regulation circulatory system process regulation of blood circulation regulation of multicellular organismal process regulation of biological quality heart contraction regulation of the force of heart contraction blood circulation heart process multicellular organismal process system process regulation of biological process regulation of heart contraction regulation of system process biological regulation circulatory system process regulation of blood circulation regulation of multicellular organismal process regulation of biological quality heart contraction regulation of the force of heart contraction blood circulation muscle contraction regulation of muscle system process muscle system process striated muscle contraction regulation of striated muscle contraction regulation of muscle contraction cardiac muscle contraction ventricular cardiac muscle tissue morphogenesis heart morphogenesis striated muscle tissue development muscle structure development multicellular organism development ventricular cardiac muscle tissue development anatomical structure development cardiac chamber development animal organ morphogenesis muscle tissue development muscle organ development system development developmental process heart development cardiac chamber morphogenesis cardiac muscle tissue development animal organ development tissue development muscle tissue morphogenesis circulatory system development anatomical structure morphogenesis tissue morphogenesis cardiac ventricle morphogenesis cardiac muscle tissue morphogenesis cardiac ventricle development muscle organ morphogenesis	protein-containing complex intracellular anatomical structure cellular anatomical entity actin cytoskeleton myosin complex intracellular organelle cytoskeleton organelle intracellular non-membrane-bounded organelle myosin II complex non-membrane-bounded organelle sarcomere contractile muscle fiber A band protein-containing complex intracellular anatomical structure cellular anatomical entity actin cytoskeleton myosin complex intracellular organelle cytoskeleton organelle intracellular non-membrane-bounded organelle myosin II complex non-membrane-bounded organelle sarcomere contractile muscle fiber A band cytoplasm supramolecular fiber myofibril supramolecular polymer supramolecular complex I band

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, H, N, O A, B, H, N, O, Q	IPR036961	Kinesin motor domain superfamily	Homologous Superfamily
A, B, H, N, O A, B, H, N, O, Q	IPR000048	IQ motif, EF-hand binding site	Binding Site
A, B, H, N, O A, B, H, N, O, Q	IPR027417	P-loop containing nucleoside triphosphate hydrolase	Homologous Superfamily
A, B, H, N, O A, B, H, N, O, Q	IPR014751	DNA repair protein XRCC4-like, C-terminal	Homologous Superfamily
A, B, H, N, O A, B, H, N, O, Q	IPR001609	Myosin head, motor domain	Domain
A, B, H, N, O A, B, H, N, O, Q	IPR002928	Myosin tail	Domain
A, B, H, N, O A, B, H, N, O, Q	IPR004009	Myosin, N-terminal, SH3-like	Domain
A, B, H, N, O A, B, H, N, O, Q	IPR008989	Myosin S1 fragment, N-terminal	Homologous Superfamily
E, F, L, M, T E, F, L, M, T, U	IPR018247	EF-Hand 1, calcium-binding site	Binding Site
E, F, L, M, T E, F, L, M, T, U	IPR002048	EF-hand domain	Domain
E, F, L, M, T E, F, L, M, T, U	IPR011992	EF-hand domain pair	Homologous Superfamily
G, V	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
G, V	IPR003599	Immunoglobulin subtype	Domain
G, V	IPR003598	Immunoglobulin subtype 2	Domain
G, V	IPR003961	Fibronectin type III	Domain
G, V	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
G, V	IPR040849	MyBP-C, tri-helix bundle domain	Domain
G, V	IPR007110	Immunoglobulin-like domain	Domain
G, V	IPR013098	Immunoglobulin I-set	Domain
G, V	IPR036116	Fibronectin type III superfamily	Homologous Superfamily
I, P	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
I, P	IPR003599	Immunoglobulin subtype	Domain
I, P	IPR003598	Immunoglobulin subtype 2	Domain
I, P	IPR008266	Tyrosine-protein kinase, active site	Active Site
I, P	IPR000719	Protein kinase domain	Domain
I, P	IPR013106	Immunoglobulin V-set domain	Domain
I, P	IPR040849	MyBP-C, tri-helix bundle domain	Domain
I, P	IPR013098	Immunoglobulin I-set	Domain
I, P	IPR003961	Fibronectin type III	Domain
I, P	IPR015129	Titin, Z repeat	Repeat
I, P	IPR011009	Protein kinase-like domain superfamily	Homologous Superfamily
I, P	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
I, P	IPR007110	Immunoglobulin-like domain	Domain
I, P	IPR004168	PPAK motif	Repeat
I, P	IPR036116	Fibronectin type III superfamily	Homologous Superfamily
C, D, J, K, R C, D, J, K, R, S	IPR002048	EF-hand domain	Domain
C, D, J, K, R C, D, J, K, R, S	IPR011992	EF-hand domain pair	Homologous Superfamily