1GS3

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


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.1 Å
  • R-Value Free: 0.275
  • R-Value Work: 0.213

Literature

Macromolecules
Sequence Display for 1GS3

Classification: ISOMERASE

Total Structure Weight: 14765.85

Macromolecule Entities
Molecule Chains Length Organism Details
STEROID DELTA-ISOMERASE A 131 Pseudomonas putida EC#: 5.3.3.1 IUBMB
Mutation: Y32F, D40N, Y57F, Y119F
Gene Name(s): ksi
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 1 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
EQU
Query on EQU

A EQUILENIN
C18 H18 O2
PDRGHUMCVRDZLQ-WMZOPIPTSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.1 Å
  • R-Value Free: 0.275
  • R-Value Work: 0.213
  • Space Group: C 2 2 21

Unit Cell:

Length (Å) Angle (°)
a = 36.32 α = 90.00
b = 96.24 β = 90.00
c = 74.43 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2001-12-27
  • Released Date: 2003-01-23
  • Deposition author(s): Shin, S., Ha, N.-C., Oh, B.-H.

Revision History

  • Version 1_0: 2003-01-23

    Type: Initial release

  • Version 1_1: 2011-05-08

    Type: Version format compliance

  • Version 1_2: 2011-07-13

    Type: Version format compliance