Macromolecule Content

Total Structure Weight: 29.79 kDa
Atom Count: 5351
Residue Count: 259
Unique protein chains: 1

6UCY

Multi-conformer model of Ketosteroid Isomerase from Pseudomonas Putida (pKSI) bound to 4-Androstenedione at 250 K

DOI: 10.2210/pdb6UCY/pdb

Classification: ISOMERASE
Organism(s): Pseudomonas putida
Expression System: Escherichia coli
Mutation(s): No

Deposited: 2019-09-18 Released: 2020-09-23
Deposition Author(s): Yabukarski, F., Herschlag, D., Biel, J.T., Fraser, J.S.
Funding Organization(s): National Science Foundation (NSF, United States)

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 1.15 Å
R-Value Free: 0.164
R-Value Work: 0.146
R-Value Observed: 0.147

wwPDB Validation 3D Report Full Report

Literature

Assessing active site positioning and testing catalytic proposals via ketosteroid isomerase conformational ensembles

Yabukarski, F., Herschlag, D.

To be published.

Macromolecules

Find similar proteins by:

(by identity cutoff) | Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Steroid Delta-isomerase	A, B	131	Pseudomonas putida	Mutation(s): 0 Gene Names: ksi EC: 5.3.3.1
Find proteins for P07445 (Pseudomonas putida) Explore P07445 Go to UniProtKB: P07445
Protein Feature View Expand
Reference Sequence

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
ASD Query on ASD Download Ideal Coordinates CCD File SDF format, chain C [B] SDF format, chain E [A] MOL2 format, chain C [B] MOL2 format, chain E [A]	A, B	4-ANDROSTENE-3-17-DIONE C₁₉ H₂₆ O₂ AEMFNILZOJDQLW-QAGGRKNESA-N		Ligand Interaction
CL Query on CL Download Ideal Coordinates CCD File SDF format, chain D [B] SDF format, chain H [A] MOL2 format, chain D [B] MOL2 format, chain H [A]	A, B	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M		Ligand Interaction
MG Query on MG Download Ideal Coordinates CCD File SDF format, chain F [A] SDF format, chain G [A] MOL2 format, chain F [A] MOL2 format, chain G [A]	A	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N		Ligand Interaction

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 1.15 Å
R-Value Free: 0.164
R-Value Work: 0.146
R-Value Observed: 0.147
Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 36.061	α = 90
b = 73.852	β = 90
c = 95.61	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
Aimless	data scaling
PDB_EXTRACT	data extraction
XDS	data reduction
PHASER	phasing

Structure Validation

View Full Validation Report

Entry History & Funding Information

Deposition Data

Deposited Date: 2019-09-18
Released Date: 2020-09-23

Deposition Author(s):

Funding Organization	Location	Grant Number
National Science Foundation (NSF, United States)	United States	MCB-1714723

Revision History

Version 1.0: 2020-09-23
Type: Initial release

RCSB PDB is funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.