GO:0030016; C:myofibril; IEA:UniProtKB-SubCell.
GO:0032982; C:myosin filament; IEA:UniProtKB-KW.
GO:0005524; F:ATP binding; IEA:UniProtKB-KW.
GO:0003774; F:motor activity; IEA:InterPro.
GO:0008307; F:structural constituent of muscle; ISS:UniProtKB.
GO:0048739; P:cardiac muscle fiber development; ISS:UniProtKB.
GO:0048251; P:elastic fiber assembly; ISS:UniProtKB.
GO:0030241; P:skeletal muscle myosin thick filament assembly; ISS:UniProtKB.
GO:0006939; P:smooth muscle contraction; ISS:UniProtKB.