>4dn2_B mol:protein length:208 NitroreductaseMHHHHHHSSGVDLGTENLYFQSMETLEAIRTRRSVRKFSDRPVEPEKLRAVLDAARLAPSWANMQCWRFVVVEDQATKVQISELSYVEAYFGPKGYKSNPAQKALAEAPVVIIACGEPPQSGELRGQQYYLTDVGIAAQNLMLAAHDLGLGSVFVGVFDEQQLGELLGIPAELRIVGLFPLGYPLEGPKAGPSRKPLDEIVHYGKYQA