>2fxm_B mol:protein length:129 Myosin heavy chain, cardiac muscle beta isoform GSSPLLKSAEREKEMASMKEEFTRLKEALEKSEARRKELEEKMVSLLQEKNDLQLQVQA EQDNLADAEERCDQLIKNKIQLEAKVKEMNERLEDEEEMNAELTAKKRKLEDECSELKR DIDDLELTLAK >2fxm_B mol:protein length:129 Myosin heavy chain, cardiac muscle beta isoform GSSPLLKSAEREKEMASMKEEFTRLKEALEKSEARRKELEEKMVSLLQEKNDLQLQVQA EQDNLADAEERCDQLIKNKIQLEAKVKEMNERLEDEEEMNAELTAKKRKLEDECSELKR DIDDLELTLAK >2fxm_A mol:protein length:129 Myosin heavy chain, cardiac muscle beta isoform GSSPLLKSAEREKEMASMKEEFTRLKEALEKSEARRKELEEKMVSLLQEKNDLQLQVQA EQDNLADAEERCDQLIKNKIQLEAKVKEMNERLEDEEEMNAELTAKKRKLEDECSELKR DIDDLELTLAK