>4xfd_A mol:protein length:283 NH(3)-dependent NAD(+) synthetaseMAHHHHHHMQQIQRDIAQALQVQPPFQSEADVQAQIARRIAFIQQCLKDSGLKTLVLGISGGVDSLTAGLLAQRAVEQLREQTGDQAYRFIAVRLPYQVQQDEADAQASLATIRADEEQTVNIGPSVKALAEQLEALEGLEPAKSDFVIGNIKARIRMVAQYAIAGARGGLVIGTDHAAEAVMGFFTKFGDGACDLAPLSGLAKHQVRALARALGAPENLVEKIPTADLEDLRPGHPDEASHGVTYAEIDAFLHGQPLREEAARVIVDTYHKTQHKRELPKAP