3HPS | pdb_00003hps

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 (Depositor), 0.205 (DCC) 
  • R-Value Work: 
    0.158 (Depositor), 0.158 (DCC) 
  • R-Value Observed: 
    0.160 (Depositor) 

Starting Model: experimental
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wwPDB Validation 3D Report Full Report

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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.

Macromolecule Content 

  • Total Structure Weight: 141.21 kDa 
  • Atom Count: 9,868 
  • Modeled Residue Count: 1,152 
  • Deposited Residue Count: 1,288 
  • Unique protein chains: 1

Macromolecules

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|  3D Structure
Entity ID: 1
MoleculeChains  Sequence LengthOrganismDetailsImage
2-isopropylmalate synthase
A, B
644Mycobacterium tuberculosis H37RvMutation(s): 0 
Gene Names: leuA, MT3813, MTV025.058, Rv3710
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
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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 (Depositor), 0.205 (DCC) 
  • R-Value Work:  0.158 (Depositor), 0.158 (DCC) 
  • R-Value Observed: 0.160 (Depositor) 
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

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View more in-depth experimental data

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