SCOPe 2.01: Domain d1gs3a_: 1gs3 A:

Lineage for d1gs3a_ (1gs3 A:)

1. Root: SCOPe 2.01

2. Class d: Alpha and beta proteins (a+b) [53931] (376 folds)

3. Fold d.17: Cystatin-like [54402] (7 superfamilies)
   Core: alpha-beta(4); helix packs against coiled antiparallel beta-sheet

4. Superfamily d.17.4: NTF2-like [54427] (31 families)
   has a beta-alpha(2)-beta insertion after the main helix

5. Family d.17.4.3: Ketosteroid isomerase-like [54434] (2 proteins)

6. Protein Delta-5-3-ketosteroid isomerase, steroid delta-isomerase, KSI [54435] (2 species)

7. Species Pseudomonas putida [TaxId:303] [54437] (31 PDB entries)
   Uniprot P07445

8. Domain d1gs3a_: 1gs3 A: [76327]
   complexed with equ; mutant

Details for d1gs3a_

PDB Entry: 1gs3, 2.1 Å

PDB Description: high resolution crystal structure of pi delta-5-3-ketosteroid isomerase mutants y30f/y55f/y115f/d38n (y32f/y57f/y119f/d40n, pi numbering)complexed with equilenin at 2.1 a resolution

PDB Compounds: (A:) steroid delta-isomerase

SCOPe Domain Sequences for d1gs3a_:

Sequence, based on SEQRES records:

>d1gs3a_ d.17.4.3 (A:) Delta-5-3-ketosteroid isomerase, steroid delta-isomerase, KSI {Pseudomonas putida [TaxId: 303]}
nlptaqevqglmaryielvdvgdieaivqmfaddatvenpfgqppihgreqiaaffrqgl
gggkvracltgpvrashngcgampfrvemvwngqpcaldvidvmrfdehgriqtmqafws
evnlsv

Sequence, based on observed residues (ATOM records):

>d1gs3a_ d.17.4.3 (A:) Delta-5-3-ketosteroid isomerase, steroid delta-isomerase, KSI {Pseudomonas putida [TaxId: 303]}
nlptaqevqglmaryielvdvgdieaivqmfaddatvenpfgqppihgreqiaaffrqgl
kvracltgpvrashngcgampfrvemvwngqpcaldvidvmrfdehgriqtmqafwsevn
lsv

Timeline for d1gs3a_:

• d1gs3a_ first appeared in SCOP 1.63
  
• d1gs3a_ appears in SCOP 1.75
  
• d1gs3a_ appears in SCOPe 2.02
  
• d1gs3a_ appears in the current release, SCOPe 2.08