| Class c: Alpha and beta proteins (a/b) [51349] (117 folds) |
| Fold c.92: Chelatase-like [53799] (2 superfamilies) duplication: tandem repeat of two domains; 3 layers (a/b/a); parallel beta-sheet of 4 strands, order 2134 |
Superfamily c.92.2: "Helical backbone" metal receptor [53807] (3 families) ![]() contains a long alpha helical insertion in the interdomain linker |
| Family c.92.2.3: Nitrogenase iron-molybdenum protein [53816] (2 proteins) contains three domains of this fold; "Helical backbone" holds domains 2 and 3 both chains are homologous; the interchain arrangment of domains 1 is similar to the intrachain arrangement of domains 2 and 3 |
| Protein Nitrogenase iron-molybdenum protein, alpha chain [81402] (3 species) |
| Species Azotobacter vinelandii [TaxId:354] [81398] (10 PDB entries) |
| Domain d1g21a_: 1g21 A: [35621] Other proteins in same PDB: d1g21b_, d1g21d_, d1g21e_, d1g21f_, d1g21g_, d1g21h_ |
PDB Entry: 1g21 (more details), 3 Å
SCOP Domain Sequences for d1g21a_:
Sequence; same for both SEQRES and ATOM records: (download)
>d1g21a_ c.92.2.3 (A:) Nitrogenase iron-molybdenum protein, alpha chain {Azotobacter vinelandii}
sreevesliqevlevypekarkdrnkhlavndpavtqskkciisnkksqpglmtirgcay
agskgvvwgpikdmihishgpvgcgqysragrrnyyigttgvnafvtmnftsdfqekdiv
fggdkklaklidevetlfplnkgisvqsecpigligddiesvskvkgaelsktivpvrce
gfrgvsqslghhiandavrdwvlgkrdedttfastpydvaiigdyniggdawssrillee
mglrcvaqwsgdgsiseieltpkvklnlvhcyrsmnyisrhmeekygipwmeynffgptk
tieslraiaakfdesiqkkceeviakykpeweavvakyrprlegkrvmlyigglrprhvi
gayedlgmevvgtgyefahnddydrtmkemgdstllyddvtgyefeefvkrikpdligsg
ikekfifqkmgipfremhswdysgpyhgfdgfaifardmdmtlnnpcwkklqapwe
Timeline for d1g21a_: