SCOPe 2.04: Domain d3k1ac_: 3k1a C:

Lineage for d3k1ac_ (3k1a C:)

1. Root: SCOPe 2.04

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 automated matches [190199] (1 species)
   not a true protein

7. Species Azotobacter vinelandii [TaxId:354] [186943] (7 PDB entries)

8. Domain d3k1ac_: 3k1a C: [178945]
   Other proteins in same PDB: d3k1ab_, d3k1ad_
   automated match to d1h1la_
   complexed with ca, cfn, clf, hca

Details for d3k1ac_

PDB Entry: 3k1a, 2.23 Å

PDB Description: insights into substrate binding at femo-cofactor in nitrogenase from the structure of an alpha-70ile mofe protein variant

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

SCOPe Domain Sequences for d3k1ac_:

Sequence, based on SEQRES records:

>d3k1ac_ c.92.2.3 (C:) automated matches {Azotobacter vinelandii [TaxId: 354]}
sreevesliqevlevypekarkdrnkhlavndpavtqskkciisnkksqpglmtirgcay
agskgivwgpikdmihishgpvgcgqysragrrnyyigttgvnafvtmnftsdfqekdiv
fggdkklaklidevetlfplnkgisvqsecpigligddiesvskvkgaelsktivpvrce
gfrgvsqslghhiandavrdwvlgkrdedttfastpydvaiigdyniggdawssrillee
mglrcvaqwsgdgsiseieltpkvklnlvhcyrsmnyisrhmeekygipwmeynffgptk
tieslraiaakfdesiqkkceeviakykpeweavvakyrprlegkrvmlyigglrprhvi
gayedlgmevvgtgyefahnddydrtmkemgdstllyddvtgyefeefvkrikpdligsg
ikekfifqkmgipfremhswdysgpyhgfdgfaifardmdmtlnnpcwkklqapwea

Sequence, based on observed residues (ATOM records):

>d3k1ac_ c.92.2.3 (C:) automated matches {Azotobacter vinelandii [TaxId: 354]}
sreevesliqevlevypekarkdrnkhlavnciisnkksqpglmtirgcayagskgivwg
pikdmihishgpvgcgqysragrrnyyigttgvnafvtmnftsdfqekdivfggdkklak
lidevetlfplnkgisvqsecpigligddiesvskvkgaelsktivpvrcegfrgvsqsl
ghhiandavrdwvlgkrdedttfastpydvaiigdyniggdawssrilleemglrcvaqw
sgdgsiseieltpkvklnlvhcyrsmnyisrhmeekygipwmeynffgptktieslraia
akfdesiqkkceeviakykpeweavvakyrprlegkrvmlyigglrprhvigayedlgme
vvgtgyefahnddydrtmkemgdstllyddvtgyefeefvkrikpdligsgikekfifqk
mgipfremhswdysgpyhgfdgfaifardmdmtlnnpcwkklqapwea

Timeline for d3k1ac_:

• d3k1ac_ first appeared in SCOPe 2.01
  
• d3k1ac_ appears in SCOPe 2.03
  
• d3k1ac_ appears in SCOPe 2.05
  
• d3k1ac_ appears in the current release, SCOPe 2.08