>4neg_B mol:protein length:400 Tryptophan synthase beta chainSNAMNYAYPDEKGHYGIYGGRYVPETLMQSVLELEEAYKEAMEDEAFQKELNHYLKTYVGRETPLYFAENMTEYCGGAKIYLKREDLNHTGAHKINNTIGQALLAVRMGKKKVVAETGAGQHGVATATVCALLGLECVIFMGEEDVRRQKLNVFRMELLGAKVESVAAGSGTLKDAVNEALRYWVSHVHDTHYIMGSVLGPHPFPQIVRDFQSVIGNETKKQYEALEGKLPEAVVACIGGGSNAMGMFYPFVHDEEVALYGVEAAGKGVHTEKHAATLTKGSVGVLHGSMMYLLQNEEGQIQEAHSISAGLDYPGVGPEHSLLKDIGRVSYHSITDDEALEAFQLLTKKEGIIPALESSHAVAYALKLAPQMKEDEGLVICLSGRGDKDVESIKRYMEEV