>4k2i_B mol:protein length:443 NTD biosynthesis operon protein NtdAAGMQKQVKISGKSKENMSLLKHLKGDVQGKELVIEDSIVNERWKQVLKEKIDIEHDLFNYQKNREISKVPFLPVDRLITNDEVEDILNTLTEVLPTGKFTSGPYLEQFEKVLSTYLHKRYVIATSSGTDAIMIGLLALGLNPGDEVIMPANSFSATENAVLASGGVPIYVDINPQTFCIDPDKIEEAITPYTKFILPVHLYGKHSDMQHIRQIANRYKLKVIEDACQGIGLTDLGKYADITTLSFNPYKNFGVCGKAGAIATDNEELAKKCIQFSYHGFEVNVKNKKVINFGFNSKMDNLQAAIGLERMKYLSLNNFKRLFLADRYITQLAELQNKGYIELPELSEDHVWHLFPIKVRTEDRADIMTKLNEDFGVQTDVYYPILSHMQKTPLVQDKYAGLQLVHTEKAHSQVLHLPLYPSFTLEEQDRVMEGLFHVIKQEIGV