SMTL ID : 1gs3.1

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

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.10 Å

Oligo State

homo-dimer

Ligands

2 x EQU: EQUILENIN(Non-covalent)

EQU.1: 8 residues within 4Å: Chain A: Y.16, N.40, F.86, M.90, L.99, D.103, M.116, W.120 4 PLIP interactions: 4 interactions with chain A Hydrophobic interactions: A:F.86, A:W.120 Hydrogen bonds: A:Y.16, A:D.103 EQU.2: 8 residues within 4Å: Chain B: Y.16, N.40, F.86, M.90, L.99, D.103, M.116, W.120 3 PLIP interactions: 3 interactions with chain B Hydrophobic interactions: B:F.86, B:W.120 Hydrogen bonds: B:D.103

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Choi, G. et al., Contribution of a Low-Barrier Hydrogen Bond to Catalysis by Delta-5-3-Ketosteroid Isomerase is not Extremely High Compared to that of an Ordinary Hydrogen Bond. Low-Barrier Hydrogen Bond of Pi Ksi. To be Published

Release Date

2003-01-23

Peptides

STEROID DELTA-ISOMERASE: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

STEROID DELTA-ISOMERASE

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