4G1X

Crystal structure of Mycobacterium tuberculosis CYP121 in complex with 4-(1H-1,2,4-triazol-1-yl)quinolin-6-amine

PDB DOI: https://doi.org/10.2210/pdb4G1X/pdb

Classification: OXIDOREDUCTASE/OXIDOREDUCTASE INHIBITOR
Organism(s): Mycobacterium tuberculosis
Expression System: Escherichia coli
Mutation(s): No

Deposited: 2012-07-11 Released: 2012-09-05
Deposition Author(s): Hudson, S.A.

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 1.30 Å
R-Value Free: 0.186
R-Value Work: 0.162
R-Value Observed: 0.163

Starting Model: experimental
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wwPDB Validation 3D Report Full Report

Ligand Structure Quality Assessment

This is version 1.3 of the entry. See complete history.

Literature

Application of Fragment Screening and Merging to the Discovery of Inhibitors of the Mycobacterium tuberculosis Cytochrome P450 CYP121

Hudson, S.A., McLean, K.J., Surade, S., Yang, Y.-Q., Leys, D., Ciulli, A., Munro, A.W., Abell, C.

(2012) Angew Chem Int Ed Engl 51: 9311-9316

PubMed: 22890978 Search on PubMed
DOI: https://doi.org/10.1002/anie.201202544
Primary Citation of Related Structures:
4G1X, 4G2G, 4G44, 4G45, 4G46, 4G47, 4G48

Organizational Affiliation

Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, CB2 1EW UK.

Macromolecule Content

Total Structure Weight: 44.81 kDa
Atom Count: 4,073
Modelled Residue Count: 395
Deposited Residue Count: 395
Unique protein chains: 1

Macromolecules

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(by identity cutoff) | 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Cytochrome P450 121	A	395	Mycobacterium tuberculosis	Mutation(s): 0 Gene Names: Rv2276 EC: 1.14 (PDB Primary Data), 1.14.19.70 (UniProt)
UniProt
Find proteins for P9WPP7 (Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv)) Explore P9WPP7 Go to UniProtKB: P9WPP7
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	P9WPP7
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
HEM Query on HEM Download Ideal Coordinates CCD File SDF format, chain B [auth A] MOL2 format, chain B [auth A] mmCIF format, chain B [auth A]	B [auth A]	PROTOPORPHYRIN IX CONTAINING FE C₃₄ H₃₂ Fe N₄ O₄ KABFMIBPWCXCRK-RGGAHWMASA-L		Interactions Focus chain B [auth A] Interactions & Density Focus chain B [auth A]
TQU Query on TQU Download Ideal Coordinates CCD File SDF format, chain J [auth A] SDF format, chain K [auth A] MOL2 format, chain J [auth A] MOL2 format, chain K [auth A] mmCIF format, chain J [auth A] mmCIF format, chain K [auth A]	J [auth A], K [auth A]	4-(1H-1,2,4-triazol-1-yl)quinolin-6-amine C₁₁ H₉ N₅ GXRXDACPFFYIDQ-UHFFFAOYSA-N		Interactions Focus chain J [auth A] Focus chain K [auth A] Interactions & Density Focus chain J [auth A] Focus chain K [auth A]
SO4 Query on SO4 Download Ideal Coordinates CCD File SDF format, chain C [auth A] SDF format, chain D [auth A] SDF format, chain E [auth A] MOL2 format, chain C [auth A] MOL2 format, chain D [auth A] MOL2 format, chain E [auth A] mmCIF format, chain C [auth A] mmCIF format, chain D [auth A] mmCIF format, chain E [auth A]	C [auth A], D [auth A], E [auth A]	SULFATE ION O₄ S QAOWNCQODCNURD-UHFFFAOYSA-L		Interactions Focus chain C [auth A] Focus chain D [auth A] Focus chain E [auth A] Interactions & Density Focus chain C [auth A] Focus chain D [auth A] Focus chain E [auth A]
DMS Query on DMS Download Ideal Coordinates CCD File SDF format, chain F [auth A] SDF format, chain G [auth A] SDF format, chain H [auth A] SDF format, chain I [auth A] MOL2 format, chain F [auth A] MOL2 format, chain G [auth A] MOL2 format, chain H [auth A] MOL2 format, chain I [auth A] mmCIF format, chain F [auth A] mmCIF format, chain G [auth A] mmCIF format, chain H [auth A] mmCIF format, chain I [auth A]	F [auth A], G [auth A], H [auth A], I [auth A]	DIMETHYL SULFOXIDE C₂ H₆ O S IAZDPXIOMUYVGZ-UHFFFAOYSA-N		Interactions Focus chain F [auth A] Focus chain G [auth A] Focus chain H [auth A] Focus chain I [auth A] Interactions & Density Focus chain F [auth A] Focus chain G [auth A] Focus chain H [auth A] Focus chain I [auth A]

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 1.30 Å
R-Value Free: 0.186
R-Value Work: 0.162
R-Value Observed: 0.163
Space Group: P 6₅ 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 77.407	α = 90
b = 77.407	β = 90
c = 263.954	γ = 120

Software Package:

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

Structure Validation

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Ligand Structure Quality Assessment

Entry History

Deposition Data

Released Date: 2012-09-05

Deposition Author(s):

Hudson, S.A.

Revision History (Full details and data files)

Version 1.0: 2012-09-05
Type: Initial release
Version 1.1: 2012-09-19
Changes: Database references
Version 1.2: 2017-11-15
Changes: Refinement description
Version 1.3: 2023-11-08
Changes: Data collection, Database references, Derived calculations, Refinement description

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Help and Resources

4G1X

Crystal structure of Mycobacterium tuberculosis CYP121 in complex with 4-(1H-1,2,4-triazol-1-yl)quinolin-6-amine

Application of Fragment Screening and Merging to the Discovery of Inhibitors of the Mycobacterium tuberculosis Cytochrome P450 CYP121

Entity ID: 1

UniProt

Entity Groups

Sequence Annotations

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Experimental Data

Structure Validation

Ligand Structure Quality Assessment

Deposition Data

Revision History (Full details and data files)