HMM Summary Page: TIGR01282

Functionnitrogenase molybdenum-iron protein alpha chain
Gene SymbolnifD
Trusted Cutoff653.55
Domain Trusted Cutoff653.55
Noise Cutoff503.05
Domain Noise Cutoff503.05
Isology Typeequivalog
EC Number1.18.6.1
HMM Length466
Mainrole CategoryCentral intermediary metabolism
Subrole CategoryNitrogen fixation
Gene Ontology TermGO:0009399: nitrogen fixation biological_process
GO:0016163: nitrogenase activity molecular_function
GO:0016612: molybdenum-iron nitrogenase complex cellular_component
AuthorHaft DH
Entry DateJun 22 2001 10:07AM
Last ModifiedFeb 14 2011 3:27PM
CommentNitrogenase consists of alpha (NifD) and beta (NifK) subunits of the molybdenum-iron protein and an ATP-binding iron-sulfur protein (NifH). This HMM describes a large clade of NifD proteins, but excludes a lineage that contains putative NifD and NifD homologs from species with vanadium-dependent nitrogenases.
ReferencesDR EXPERIMENTAL; SP|P00467; Clostridium pasteurianum; includes X-ray structure. DR EXPERIMENTAL; SP:P07328; Azotobacter vinelandii; includes X-ray structure.
Genome PropertyGenProp0633: nitrogenase, Mo-containing (HMM)