3HPS

Crystal structure of Mycobacterium tuberculosis LeuA complexed with ketoisocaproate (KIC)


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.80 Å
  • R-Value Free: 0.205 
  • R-Value Work: 0.158 
  • R-Value Observed: 0.160 

Starting Model: experimental
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wwPDB Validation   3D Report Full Report


This is version 1.3 of the entry. See complete history


Literature

Probing the active site of M. tuberculosis LeuA

Koon, N.Squire, C.J.Baker, E.N.

To be published.

Macromolecules
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
2-isopropylmalate synthase
A, B
644Mycobacterium tuberculosis H37RvMutation(s): 0 
Gene Names: leuAMT3813MTV025.058Rv3710
EC: 2.3.3.13
UniProt
Find proteins for P9WQB3 (Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv))
Explore P9WQB3 
Go to UniProtKB:  P9WQB3
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP9WQB3
Sequence Annotations
Expand
  • Reference Sequence
Small Molecules
Ligands 4 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
LEU
Query on LEU

Download Ideal Coordinates CCD File 
C [auth A],
G [auth B]
LEUCINE
C6 H13 N O2
ROHFNLRQFUQHCH-YFKPBYRVSA-N
COI
Query on COI

Download Ideal Coordinates CCD File 
E [auth A],
I [auth B]
2-OXO-4-METHYLPENTANOIC ACID
C6 H10 O3
BKAJNAXTPSGJCU-UHFFFAOYSA-N
GOL
Query on GOL

Download Ideal Coordinates CCD File 
F [auth A],
J [auth B]
GLYCEROL
C3 H8 O3
PEDCQBHIVMGVHV-UHFFFAOYSA-N
ZN
Query on ZN

Download Ideal Coordinates CCD File 
D [auth A],
H [auth B]
ZINC ION
Zn
PTFCDOFLOPIGGS-UHFFFAOYSA-N
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.80 Å
  • R-Value Free: 0.205 
  • R-Value Work: 0.158 
  • R-Value Observed: 0.160 
  • Space Group: P 1 21 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 54.411α = 90
b = 154.848β = 97.65
c = 68.882γ = 90
Software Package:
Software NamePurpose
MAR345dtbdata collection
REFMACrefinement
MOSFLMdata reduction
SCALAdata scaling
REFMACphasing

Structure Validation

View Full Validation Report



Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2010-05-19
    Type: Initial release
  • Version 1.1: 2011-07-13
    Changes: Source and taxonomy, Version format compliance
  • Version 1.2: 2013-06-05
    Changes: Non-polymer description
  • Version 1.3: 2023-09-06
    Changes: Data collection, Database references, Derived calculations, Refinement description