SCOP 1.71: Domain d1iy9a_: 1iy9 A:

Lineage for d1iy9a_ (1iy9 A:)

1. Root: SCOP 1.71

2. Class c: Alpha and beta proteins (a/b) [51349] (134 folds)

3. Fold c.66: S-adenosyl-L-methionine-dependent methyltransferases [53334] (1 superfamily)
   core: 3 layers, a/b/a; mixed beta-sheet of 7 strands, order 3214576; strand 7 is antiparallel to the rest

4. Superfamily c.66.1: S-adenosyl-L-methionine-dependent methyltransferases [53335] (41 families)

5. Family c.66.1.17: Spermidine synthase [69557] (2 proteins)
   contains additional N-terminal tetramerisation all-beta domain, res. 1-71

6. Protein Spermidine synthase [69558] (4 species)
   polyamine aminopropyltransferase

7. Species Bacillus subtilis [TaxId:1423] [82478] (1 PDB entry)

8. Domain d1iy9a_: 1iy9 A: [76943]

Details for d1iy9a_

PDB Entry: 1iy9, 2.3 Å

PDB Description: Crystal structure of spermidine synthase

SCOP Domain Sequences for d1iy9a_:

Sequence; same for both SEQRES and ATOM records:

>d1iy9a_ c.66.1.17 (A:) Spermidine synthase {Bacillus subtilis}
selwytekqtknfgitmkvnktlhteqtefqhlemveteefgnmlfldgmvmtsekdefv
yhemvahvplfthpnpehvlvvgggdggvireilkhpsvkkatlvdidgkvieyskkflp
siagklddprvdvqvddgfmhiaksenqydvimvdstepvgpavnlftkgfyagiakalk
edgifvaqtdnpwftpelitnvqrdvkeifpitklytaniptypsglwtftigskkydpl
avedsrffdietkyytkdihkaafvlpkfvsdli

Timeline for d1iy9a_:

• d1iy9a_ first appeared in SCOP 1.63
  
• d1iy9a_ appears in SCOP 1.69
  
• d1iy9a_ appears in SCOP 1.73
  
• d1iy9a_ appears in the current release, SCOPe 2.08