PDB: 1dfk Compound: myosin head Classification: CONTRACTILE PROTEIN Entry date in PDB: 2000-10-25 Resolution [Å]: 4.20 R-Factor: 0.415

CHAIN: A SWISS-PROT/TREMBL: P24733    KEYWORD: 3D-structure    Actin-binding    ATP-binding    Calmodulin-binding    Coiled coil    Muscle protein    Myosin    Thick filament    SCOP: b.34.3.1 All beta proteins    SH3-like barrel    Myosin S1 fragment, N-terminal domain    Myosin S1 fragment, N-terminal domain    Myosin S1 fragment, N-terminal domain    Bay scallop (Aequipecten irradians) SCOP: c.37.1.9 Alpha and beta proteins (a/b)    P-loop containing nucleoside triphosphate hydrolases    P-loop containing nucleoside triphosphate hydrolases    Motor proteins    Myosin S1, motor domain    Bay scallop (Aequipecten irradians) SCOP: c.37.1.9 Alpha and beta proteins (a/b)    P-loop containing nucleoside triphosphate hydrolases    P-loop containing nucleoside triphosphate hydrolases    Motor proteins    Myosin S1, motor domain    Bay scallop (Aequipecten irradians) GO:  myosin    ATP binding    motor activity    CHAIN: Y SWISS-PROT/TREMBL: P13543    KEYWORD: 3D-structure    Calcium-binding    Muscle protein    Myosin    3D-structure    Calcium-binding    Muscle protein    Myosin    SCOP: a.39.1.5 All alpha proteins    EF Hand-like    EF-hand    Calmodulin-like    Myosin Essential Chain    Bay scallop (Aequipecten irradians) GO:  calcium ion binding    CHAIN: Z SWISS-PROT/TREMBL: P07291    KEYWORD: 3D-structure    Muscle protein    Myosin    3D-structure    Muscle protein    Myosin    SCOP: a.39.1.5 All alpha proteins    EF Hand-like    EF-hand    Calmodulin-like    Myosin Regulatory Chain    Bay scallop (Aequipecten irradians) GO:  calcium ion binding

Image Source: PDB

1kk8 A - percentage of sequence identity: 100
1wdc B - percentage of sequence identity: 100