>4air_A mol:protein length:354 Cysteine synthaseMGSSHHHHHHSSGENLYFQGHMAAPFDKSRNVAQSIDQLIGQTPALYLNKLNNTKAKVVLKMECENPMASVKDRLGFAIYDKAEKEGKLIPGKSVVVESSSGNTGVSLAHLGAIRGYKVIITMPESMSLERRCLLRIFGAEVILTPAALGMKGAVTMAKKIVTANPNAVLADQFATKYNALIHEETTGPEIWEQTNHNVDCFIAGVGTGGTLTGVARALKKMGSHARIVAVEPMESPVLSGGKPGAHKIQGIGPGFVPDVLDRSLIDEVFCVAGDDAIETALKLTRSDGVFCGFSGGANVYAALKIAERPEMEGKTIVTIIPSFGERYLSTALYRSVRDEVSSLPVVDASELQD