SMTL ID : 4l7k.6 (5 other biounits)

Crystal Structure of Ketosteroid Isomerase D38E from Pseudomonas Testosteroni (tKSI)

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.10 Å

Oligo State

homo-dimer

Ligands

7 x SO4: SULFATE ION(Non-functional Binders)

SO4.1: 3 residues within 4Å: Chain A: H.6, A.9, R.13 2 PLIP interactions: 2 interactions with chain A Salt bridges: A:H.6, A:R.13 SO4.2: 3 residues within 4Å: Chain A: N.104, G.105, A.106 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:G.105, A:A.106 SO4.3: 7 residues within 4Å: Chain A: Y.14, L.18, E.38, Y.55, S.58, L.63, V.84 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:S.58, A:S.58 SO4.4: 3 residues within 4Å: Chain B: H.6, A.9, R.13 3 PLIP interactions: 3 interactions with chain B Water bridges: B:H.6 Salt bridges: B:H.6, B:R.13 SO4.5: 4 residues within 4Å: Chain A: H.100, R.113 Chain B: H.100, R.113 5 PLIP interactions: 2 interactions with chain B, 3 interactions with chain A Salt bridges: B:H.100, B:R.113, A:H.100, A:R.113 Water bridges: A:R.102 SO4.6: 2 residues within 4Å: Chain B: I.121, H.122 3 PLIP interactions: 3 interactions with chain B Water bridges: B:H.122, B:H.122 Salt bridges: B:H.122 SO4.7: 5 residues within 4Å: Chain B: S.46, G.47, T.48, A.49, A.50 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:T.48, B:A.49, B:A.50

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Schwans, J.P. et al., Use of anion-aromatic interactions to position the general base in the ketosteroid isomerase active site. Proc.Natl.Acad.Sci.USA (2013)

Release Date

2013-07-03

Peptides

Steroid Delta-isomerase: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
H

B
O

Steroid Delta-isomerase

Related Entries With Identical Sequence