Conserved Protein Domain Family
NifB
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cd00852: NifB 
NifB belongs to a family of iron-molybdenum cluster-binding proteins that includes NifX, and NifY, all of which are involved in the synthesis of an iron-molybdenum cofactor (FeMo-co) that binds the active site of the dinitrogenase enzyme as part of nitrogen fixation in bacteria. This domain is sometimes found fused to a N-terminal domain (the Radical SAM domain) in nifB-like proteins.
Links
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Statistics
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PSSM-Id: 238432
Aligned: 29 rows
Threshold Bit Score: 110.014
Created: 7-Mar-2002
Updated: 2-Oct-2020
Structure
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Aligned Rows:
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PubMed ReferencesClick to see Conserved Features Help
Sequence Alignment
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Format: Row Display: Color Bits: Type Selection: 
Q53205    377 QVAVATKGGGRINEHFGHAKEFQVYEAsq--tGIKFVGHRKVepychgg----wgedaalAGIIAALDGIDIVLCARIGD 450  Rhizobium sp. NGR234
AAT37646  807 RFAIASKSGVDIDQHFGQAKEFQIYAYeg--gDIKFLESRDVdqyctgtdd-cgehenkiMKIVKTIHDCDAVLALRAGI 883  Clostridium paste...
NP_617830   7 KVAVISTDGKVINQHFGKASRFYIFEIge--gKIQFLEVRECtplcgsad--ygnpeevlNKTISVILDCEALLCARIGS 82   Methanosarcina ac...
AAS91670  777 KFAIASKSGIGVDMHFGHASEFYIYEYkn--gEPRYLEKRNVekycngkev-ceeeedkfAKLSKVVSDCNGVLCLRIGD 853  Clostridium beije...
CAD56228  201 RVAVASRGGDKVNQHFGHATEFMIFDTdg--tEVKFIGIRKIqaychgtadcngdkdetlQEITSILSDCRILLSSGIGD 278  Paenibacillus durus
NP_947700  12 KVAIATGNGVGVTEHFGYATDFQIWDVst--sTPRLLETRRNipgcgadrs-aaqqrdplDVSVDLVADCRAVVVAKIGE 88   Rhodopseudomonas ...
NP_662424 296 YIAVASLEGVLINQHLGEADRFLVYALdeekkSCTLVDSRQApppgg--------gklrwEALAAKLSDCRAVLVNSAGD 367  Chlorobium tepidu...
NP_616160  70 KVAVTSRGGKLVDQHFGKATTFMIFEIeg--qDCKFLETRSTkkycnggsg-igveplekNETIKSISDCDAVLTMKIGS 146  Methanosarcina ac...
NP_346900 766 KFAVSSRTGINVDEHFGHATQFYIYTYse--gKVRFLEKRNAekycngede-cyedgeriSKIVKVVSDCSAVLALRAGL 842  Clostridium aceto...
AAC45519    5 KVAIASTDGVNVNMHFGAATHFFIFEIkd--nVAEFLEFRGNptkhik------dhtdrwNYALELLKDCGAIFCSRMGD 76   Methanococcus mar...

Q53205    451 CPKERLMEAGIRATDTygy--dyIEAAISALH 480  Rhizobium sp. NGR234
AAT37646  884 EPVKTLESEGIKLIQMydsinrgIKRAVEEMA 915  Clostridium pasteurianum
NP_617830  83 KPQEELRKKGIEPIEApy----lIDEALNNIL 110  Methanosarcina acetivorans C2A
AAS91670  854 EPKRKFKSMSIEVFMTcetietaVEKAAEAIL 885  Clostridium beijerinckii
CAD56228  279 APRAVLNKAGVLPLVRkg----gIQEAILESV 306  Paenibacillus durus
NP_947700  89 CGVNRLAELNILAFETdd----tVDSVVRELA 116  Rhodopseudomonas palustris CGA009
NP_662424 368 SPQSVLKASGIDVMSIeg----vIEEAVYGVF 395  Chlorobium tepidum TLS
NP_616160 147 GAQKKLQEYGIDCVEYcy----tIECGLKYLQ 174  Methanosarcina acetivorans C2A
NP_346900 843 EPKRKLKEKGIEVIEMyetinngVKMAAEKLL 874  Clostridium acetobutylicum ATCC 824
AAC45519   77 HPKSVLEGKGMKVVMTgn----tLKDALKEFL 104  Methanococcus maripaludis
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