A0A162SJA8 · A0A162SJA8_9CLOT
- ProteinNitrogenase protein alpha chain
- GenenifD_3
- StatusUniProtKB unreviewed (TrEMBL)
- Organism
- Amino acids535 (go to sequence)
- Protein existenceInferred from homology
- Annotation score2/5
Function
function
This molybdenum-iron protein is part of the nitrogenase complex that catalyzes the key enzymatic reactions in nitrogen fixation.
Catalytic activity
- 16 ATP + 16 H2O + N2 + 8 reduced [2Fe-2S]-[ferredoxin] = 16 ADP + 6 H+ + H2 + 2 NH4+ + 8 oxidized [2Fe-2S]-[ferredoxin] + 16 phosphate
16 CHEBI:30616 + 16 CHEBI:15377 + CHEBI:17997 + 8 RHEA-COMP:10001 = 16 CHEBI:456216 + 6 CHEBI:15378 + CHEBI:18276 + 2 CHEBI:28938 + 8 RHEA-COMP:10000 + 16 CHEBI:43474
Cofactor
Protein has several cofactor binding sites:
GO annotations
Aspect | Term | |
---|---|---|
Cellular Component | molybdenum-iron nitrogenase complex | |
Molecular Function | ATP binding | |
Molecular Function | carbonyl sulfide nitrogenase activity | |
Molecular Function | iron-sulfur cluster binding | |
Molecular Function | metal ion binding | |
Molecular Function | nitrogenase activity | |
Biological Process | nitrogen fixation |
Keywords
- Molecular function
- Biological process
- Ligand
Enzyme and pathway databases
Names & Taxonomy
Protein names
- Recommended nameNitrogenase protein alpha chain
- EC number
Gene names
Organism names
- Organism
- Strain
- Taxonomic lineageBacteria > Bacillota > Clostridia > Eubacteriales > Clostridiaceae > Clostridium
Accessions
- Primary accessionA0A162SJA8
Proteomes
Subcellular Location
UniProt Annotation
GO Annotation
Interaction
Subunit
Tetramer of two alpha and two beta chains. Forms complex with the iron protein (nitrogenase component 2).
Protein-protein interaction databases
Structure
Family & Domains
Features
Showing features for domain.
Type | ID | Position(s) | Description | |||
---|---|---|---|---|---|---|
Domain | 55-506 | Nitrogenase/oxidoreductase component 1 | ||||
Sequence: CCYAGCKGVVMGPIKDMVHITHGPIGCAFYTWGGRRFKSKAEEGGKNFNEYVFCTDMQESDIVFGGVPKLKEAIKEAVELFHPTGIGIYATCPVGLIGDDINAVAAEARKTYGIPVLAFSCEGYKGVSQSAGHHIANNTVMNDIIGTGTREHKKYSINILGEYNIGGDAWEMDRFLKKIGYNIVATLTGDASFENIQNAHLADLNLVQCHRSINYIAEMMETKYGIPWIKCNFIGVNAVIETLRDMAKFFDDPELTKRTEEVIAEEVAAIQPELDFYRQKLTGKTACLYVGGSRAHTYQFLLNDLGVKTIVAGFEFAHRDDYEGRQVIPTIKIDADSKNIPELTITKDEEKYRVVIPEERAEELRKQGIPFNFYQGMETDMSQNTLIVDDLNHHETEEIIKKLKPDMFFSGIKEKYAIQKMGVLSKQLHSYDYTGPYAGFKGAVIFAREVAA |
Sequence similarities
Belongs to the NifD/NifK/NifE/NifN family.
Family and domain databases
Sequence
- Sequence statusComplete
- Length535
- Mass (Da)59,907
- Last updated2016-07-06 v1
- ChecksumDB2EBE228BF0F2C4
Keywords
- Technical term
Sequence databases
Nucleotide Sequence | Protein Sequence | Molecule Type | Status | |
---|---|---|---|---|
LWAE01000003 EMBL· GenBank· DDBJ | KZL91349.1 EMBL· GenBank· DDBJ | Genomic DNA |