SMTL ID : 5kp1.2 (1 other biounit)

Crystal Structure of Ketosteroid Isomerase from Pseudomonas putida (pKSI) bound to Equilenin; D40N, Y16(Cl-Y)

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.22 Å

Oligo State

homo-dimer

Ligands

2 x EQU: EQUILENIN(Non-covalent)

EQU.1: 11 residues within 4Å: Chain A: X.16, N.40, Y.57, G.60, F.86, V.88, M.90, L.99, D.103, M.116, W.120 8 PLIP interactions: 8 interactions with chain A Hydrophobic interactions: A:Y.57, A:F.86, A:V.88, A:L.99, A:W.120 Hydrogen bonds: A:N.40, A:D.103 pi-Stacking: A:F.56 EQU.2: 11 residues within 4Å: Chain B: X.16, N.40, Y.57, G.60, F.86, V.88, M.90, L.99, D.103, M.116, W.120 4 PLIP interactions: 4 interactions with chain B Hydrophobic interactions: B:F.86, B:V.88, B:L.99 Hydrogen bonds: B:D.103

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

SO4.3: 3 residues within 4Å: Chain B: T.5, A.6, H.78 5 PLIP interactions: 5 interactions with chain B Hydrogen bonds: B:A.6 Water bridges: B:P.4, B:T.5, B:Q.7 Salt bridges: B:H.78

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Wu, Y. et al., A Critical Test of the Electrostatic Contribution to Catalysis with Noncanonical Amino Acids in Ketosteroid Isomerase. J.Am.Chem.Soc. (2016)

Release Date

2016-09-07

Peptides

Steroid Delta-isomerase: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
C

B
D

Steroid Delta-isomerase

Related Entries With Identical Sequence