>3pn7_B mol:protein length:161 Myosin regulatory light chainADKERAQRATSNVFARLPQKLMQEMKEAFTMIDQNRDGFIDINDLKEMFSSLGRTPDDKELTAMLKEAPGPLNFTMFLSIFSDKLSGTDSEETIRNAFGMFDELDTKKLNIEYIKDLLENMGDNFNKDEMRMTFKEAPVEGGKFDYVRFVAMIKGSGDDDA