>3pn7_E mol:protein length:161 Myosin regulatory light chainADKERAQRATSNVFARLPQKLMQEMKEAFTMIDQNRDGFIDINDLKEMFSSLGRTPDDKELTAMLKEAPGPLNFTMFLSIFSDKLSGTDSEETIRNAFGMFDELDTKKLNIEYIKDLLENMGDNFNKDEMRMTFKEAPVEGGKFDYVRFVAMIKGSGDDDA