Annotations: 3JBH

TWO HEAVY MEROMYOSIN INTERACTING-HEADS MOTIFS FLEXIBLE DOCKED INTO TARANTULA THICK FILAMENT 3D-MAP ALLOWS IN DEPTH STUDY OF INTRA- AND INTERMOLECULAR INTERACTIONS

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
J	SCOP2B Superfamily	EF-hand	8062895	3001983	SCOP2B (2022-06-29)
I	SCOP2B Superfamily	EF-hand	8062895	3001983	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	EF-hand	8062895	3001983	SCOP2B (2022-06-29)
C	SCOP2 Family	Calmodulin-like	8062894	4000924	SCOP2 (2022-06-29)
C	SCOP2 Superfamily	EF-hand	8062895	3001983	SCOP2 (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
L	ubiquitin	e3jbhL1	A: beta barrels	X: HTH	H: SH3	T: SH3	F: ubiquitin	ECOD (v294.2)
K		e3jbhK1	A: beta barrels	X: HTH	H: Baseplate wedge protein gp6 helical domain	T: Baseplate wedge protein gp6 helical domain	F:	ECOD (v294.2)
F	ubiquitin	e3jbhF1	A: beta barrels	X: HTH	H: SH3	T: SH3	F: ubiquitin	ECOD (v294.2)
E		e3jbhE1	A: beta barrels	X: HTH	H: Baseplate wedge protein gp6 helical domain	T: Baseplate wedge protein gp6 helical domain	F:	ECOD (v294.2)
J	ubiquitin	e3jbhJ1	A: beta barrels	X: HTH	H: SH3	T: SH3	F: ubiquitin	ECOD (v294.2)
I	ubiquitin	e3jbhI1	A: beta barrels	X: HTH	H: SH3	T: SH3	F: ubiquitin	ECOD (v294.2)
D	ubiquitin	e3jbhD1	A: beta barrels	X: HTH	H: SH3	T: SH3	F: ubiquitin	ECOD (v294.2)
C	ubiquitin	e3jbhC1	A: beta barrels	X: HTH	H: SH3	T: SH3	F: ubiquitin	ECOD (v294.2)
H	ubiquitin	e3jbhH1	A: beta barrels	X: HTH	H: SH3	T: SH3	F: ubiquitin	ECOD (v294.2)
H	Glutaminase	e3jbhH4	A: beta barrels	X: TIM beta/alpha-barrel	H: TIM barrels	T: TIM barrels	F: Glutaminase	ECOD (v294.2)
G		e3jbhG2	A: beta barrels	X: HTH	H: Baseplate wedge protein gp6 helical domain	T: Baseplate wedge protein gp6 helical domain	F:	ECOD (v294.2)
B	Glutaminase	e3jbhB1	A: beta barrels	X: TIM beta/alpha-barrel	H: TIM barrels	T: TIM barrels	F: Glutaminase	ECOD (v294.2)
A	Helicase_C	e3jbhA1	A: beta barrels	X: CXXC domain-like	H: CXXC domain	T: CXXC domain	F: Helicase_C	ECOD (v294.2)
A	Glutaminase	e3jbhA2	A: beta barrels	X: TIM beta/alpha-barrel	H: TIM barrels	T: TIM barrels	F: Glutaminase	ECOD (v294.2)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
E, F, K, L	MYOSIN 2 REGULATORY LIGHT CHAIN STRIATED MUSCLE	cation binding ion binding binding calcium ion binding metal ion binding small molecule binding	developmental process multicellular organism development multicellular organismal process anatomical structure development post-embryonic development	-
C, D, I, J	MYOSIN 2 ESSENTIAL LIGHT CHAIN STRIATED MUSCLE	cation binding ion binding binding calcium ion binding metal ion binding small molecule binding	-	protein-containing complex intracellular anatomical structure intracellular membraneless organelle actin cytoskeleton myosin complex intracellular organelle cellular anatomical structure cytoskeleton organelle membraneless organelle contractile muscle fiber myosin II complex cytoplasm supramolecular fiber protein-containing complex intracellular anatomical structure intracellular membraneless organelle actin cytoskeleton myosin complex intracellular organelle cellular anatomical structure cytoskeleton organelle membraneless organelle contractile muscle fiber myosin II complex cytoplasm supramolecular fiber muscle myosin complex supramolecular polymer supramolecular complex
A, B, G, H	MYOSIN 2 HEAVY CHAIN STRIATED MUSCLE	binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding cytoskeletal protein binding actin binding protein-containing complex binding protein binding actin filament binding structural molecule activity structural constituent of muscle identical protein binding polypeptide conformation or assembly isomerase activity isomerase activity cytoskeletal motor activity microfilament motor activity macromolecular conformation isomerase activity catalytic activity ATP-dependent activity	locomotion developmental process animal organ development anatomical structure development cellular component organization organelle organization actin cytoskeleton organization actin filament-based process myosin filament organization cellular process cellular component organization or biogenesis supramolecular fiber organization cytoskeleton organization multicellular organism development locomotion developmental process animal organ development anatomical structure development cellular component organization organelle organization actin cytoskeleton organization actin filament-based process myosin filament organization cellular process cellular component organization or biogenesis supramolecular fiber organization cytoskeleton organization multicellular organism development multicellular organismal process system development system process muscle contraction muscle system process cellular developmental process cellular component assembly involved in morphogenesis cell development membraneless organelle assembly muscle cell differentiation cellular component biogenesis muscle structure development striated muscle cell development cellular anatomical entity morphogenesis cellular component assembly muscle cell development cell differentiation sarcomere organization actomyosin structure organization organelle assembly anatomical structure morphogenesis myofibril assembly anatomical structure formation involved in morphogenesis striated muscle cell differentiation	protein-containing complex intracellular anatomical structure intracellular membraneless organelle actin cytoskeleton myosin complex intracellular organelle cellular anatomical structure cytoskeleton organelle membraneless organelle myosin II complex sarcomere contractile muscle fiber A band protein-containing complex intracellular anatomical structure intracellular membraneless organelle actin cytoskeleton myosin complex intracellular organelle cellular anatomical structure cytoskeleton organelle membraneless organelle myosin II complex sarcomere contractile muscle fiber A band cytoplasm supramolecular fiber myofibril supramolecular polymer supramolecular complex myosin filament

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
E, F, K, L	IPR018247	EF-Hand 1, calcium-binding site	Binding Site
E, F, K, L	IPR002048	EF-hand domain	Domain
E, F, K, L	IPR011992	EF-hand domain pair	Homologous Superfamily
E, F, K, L	IPR050403	Myosin regulatory light chain	Family
C, D, I, J	IPR050230	Calmodulin/Myosin light chain/Troponin C-like	Family
C, D, I, J	IPR002048	EF-hand domain	Domain
C, D, I, J	IPR011992	EF-hand domain pair	Homologous Superfamily
A, B, G, H	IPR036961	Kinesin motor domain superfamily	Homologous Superfamily
A, B, G, H	IPR004009	Myosin, SH3 domain	Domain
A, B, G, H	IPR014751	DNA repair protein XRCC4-like, C-terminal	Homologous Superfamily
A, B, G, H	IPR001609	Myosin head, motor domain-like	Domain
A, B, G, H	IPR002928	Myosin tail	Domain
A, B, G, H	IPR008989	Myosin S1 fragment, N-terminal	Homologous Superfamily
A, B, G, H	IPR027417	P-loop containing nucleoside triphosphate hydrolase	Homologous Superfamily

RCSB PDB is hosted by

RCSB PDB is a member of

RCSB Partners
Nucleic Acid Knowledgebase

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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.

3JBH | pdb_00003jbh

TWO HEAVY MEROMYOSIN INTERACTING-HEADS MOTIFS FLEXIBLE DOCKED INTO TARANTULA THICK FILAMENT 3D-MAP ALLOWS IN DEPTH STUDY OF INTRA- AND INTERMOLECULAR INTERACTIONS

External Resource: Annotation

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Domain Annotation: ECOD Classification ECOD Database Homepage

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

InterPro: Protein Family Classification InterPro Database Homepage