SCOPe 2.08: Domain d6op3c_: 6op3 C:

Lineage for d6op3c_ (6op3 C:)

1. Root: SCOPe 2.08

2. Class c: Alpha and beta proteins (a/b) [51349] (148 folds)

3. Fold c.92: Chelatase-like [53799] (3 superfamilies)
   duplication: tandem repeat of two domains; 3 layers (a/b/a); parallel beta-sheet of 4 strands, order 2134

4. Superfamily c.92.2: 'Helical backbone' metal receptor [53807] (5 families)
   contains a long alpha helical insertion in the interdomain linker

5. Family c.92.2.3: Nitrogenase iron-molybdenum protein [53816] (3 proteins)
   contains three domains of this fold; "Helical backbone" holds domains 2 and 3
   both chains are homologous; the inter-chain arrangement of domains 1 is similar to the intra-chain arrangement of domains 2 and 3
   automatically mapped to Pfam PF00148

6. Protein Nitrogenase iron-molybdenum protein, alpha chain [81402] (3 species)

7. Species Azotobacter vinelandii [TaxId:354] [81398] (29 PDB entries)

8. Domain d6op3c_: 6op3 C: [373050]
   Other proteins in same PDB: d6op3b_, d6op3d_
   automated match to d4xpia_
   complexed with ca, clf, hca, ics, imd, mg, se

Details for d6op3c_

PDB Entry: 6op3, 1.6 Å

PDB Description: selenium incorporated femo-cofactor of nitrogenase from azotobacter vinelandii with low concentration of selenium

PDB Compounds: (C:) nitrogenase molybdenum-iron protein alpha chain

SCOPe Domain Sequences for d6op3c_:

Sequence; same for both SEQRES and ATOM records:

>d6op3c_ c.92.2.3 (C:) Nitrogenase iron-molybdenum protein, alpha chain {Azotobacter vinelandii [TaxId: 354]}
msreevesliqevlevypekarkdrnkhlavndpavtqskkciisnkksqpglmtirgca
yagskgvvwgpikdmihishgpvgcgqysragrrnyyigttgvnafvtmnftsdfqekdi
vfggdkklaklidevetlfplnkgisvqsecpigligddiesvskvkgaelsktivpvrc
egfrgvsqslghhiandavrdwvlgkrdedttfastpydvaiigdyniggdawssrille
emglrcvaqwsgdgsiseieltpkvklnlvhcyrsmnyisrhmeekygipwmeynffgpt
ktieslraiaakfdesiqkkceeviakykpeweavvakyrprlegkrvmlyigglrprhv
igayedlgmevvgtgyefahnddydrtmkemgdstllyddvtgyefeefvkrikpdligs
gikekfifqkmgipfremhswdysgpyhgfdgfaifardmdmtlnnpcwkklqapwe

Timeline for d6op3c_:

• d6op3c_ first appeared in SCOPe 2.07