3HQ1 | pdb_00003hq1

Crystal structure of Mycobacterium tuberculosis LeuA complexed with citrate and Mn2+

PDB DOI: https://doi.org/10.2210/pdb3HQ1/pdb

Classification: TRANSFERASE
Organism(s): Mycobacterium tuberculosis H37Rv
Expression System: Escherichia coli
Mutation(s): No

Deposited: 2009-06-05 Released: 2010-05-19
Deposition Author(s): Koon, N., Squire, C.J., Baker, E.N.

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 1.70 Å
R-Value Free:
0.204 (Depositor), 0.204 (DCC)
R-Value Work:
0.170 (Depositor), 0.170 (DCC)
R-Value Observed:
0.172 (Depositor)

Starting Model: experimental
View more details

wwPDB Validation 3D Report Full Report

This is version 1.2 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: 141.02 kDa
Atom Count: 9,713
Modeled Residue Count: 1,149
Deposited Residue Count: 1,288
Unique protein chains: 1

Macromolecules

Find similar proteins by:

| 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
2-isopropylmalate synthase	A, B	644	Mycobacterium tuberculosis H37Rv	Mutation(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 Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	P9WQB3
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
FLC Query on FLC Download:Ideal Coordinates CCD File SDF format, chain H [auth B] MOL2 format, chain H [auth B] mmCIF format, chain H [auth B]	H [auth B]	CITRATE ANION C₆ H₅ O₇ KRKNYBCHXYNGOX-UHFFFAOYSA-K		Interactions Focus chain H [auth B] Interactions & Density Focus chain H [auth B]
GOL Query on GOL Download:Ideal Coordinates CCD File SDF format, chain F [auth A] SDF format, chain I [auth B] SDF format, chain J [auth B] MOL2 format, chain F [auth A] MOL2 format, chain I [auth B] MOL2 format, chain J [auth B] mmCIF format, chain F [auth A] mmCIF format, chain I [auth B] mmCIF format, chain J [auth B]	F [auth A], I [auth B], J [auth B]	GLYCEROL C₃ H₈ O₃ PEDCQBHIVMGVHV-UHFFFAOYSA-N		Interactions Focus chain F [auth A] Focus chain I [auth B] Focus chain J [auth B] Interactions & Density Focus chain F [auth A] Focus chain I [auth B] Focus chain J [auth B]
MN Query on MN Download:Ideal Coordinates CCD File SDF format, chain C [auth A] SDF format, chain G [auth B] MOL2 format, chain C [auth A] MOL2 format, chain G [auth B] mmCIF format, chain C [auth A] mmCIF format, chain G [auth B]	C [auth A], G [auth B]	MANGANESE (II) ION Mn WAEMQWOKJMHJLA-UHFFFAOYSA-N		Interactions Focus chain C [auth A] Focus chain G [auth B] Interactions & Density Focus chain C [auth A] Focus chain G [auth B]
CL Query on CL Download:Ideal Coordinates CCD File SDF format, chain D [auth A] SDF format, chain E [auth A] MOL2 format, chain D [auth A] MOL2 format, chain E [auth A] mmCIF format, chain D [auth A] mmCIF format, chain E [auth A]	D [auth A], E [auth A]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M		Interactions Focus chain D [auth A] Focus chain E [auth A] Interactions & Density Focus chain D [auth A] Focus chain E [auth A]

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 1.70 Å
R-Value Free: 0.204 (Depositor), 0.204 (DCC)
R-Value Work: 0.170 (Depositor), 0.170 (DCC)
R-Value Observed: 0.172 (Depositor)

Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 54.361	α = 90
b = 154.803	β = 98.04
c = 69.115	γ = 90

Software Package:

Software Name	Purpose
MAR345dtb	data collection
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling
REFMAC	phasing

Structure Validation

View Full Validation Report

View more in-depth experimental data

Entry History

Deposition Data

Released Date: 2010-05-19

Deposition Author(s):

Koon, N.

Squire, C.J.

Baker, E.N.

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: 2023-09-06
Changes: Data collection, Database references, Derived calculations, Refinement description

3HQ1 | pdb_00003hq1

Crystal structure of Mycobacterium tuberculosis LeuA complexed with citrate and Mn2+

Literature

Probing the active site of M. tuberculosis LeuA

Biological Assembly 1

Macromolecules

Entity ID: 1

UniProt

Entity Groups

Sequence Annotations

Expand