4LUX

Structure of rat neuronal nitric oxide synthase heme domain in complex with 6-((((3R,5S)-5-(((6-amino-4-methylpyridin-2-yl)methoxy)methyl)pyrrolidin-3-yl)oxy)methyl)-4-methylpyridin-2-amine

PDB DOI: https://doi.org/10.2210/pdb4LUX/pdb

Classification: OXIDOREDUCTASE/OXIDOREDUCTASE INHIBITOR
Organism(s): Rattus norvegicus
Expression System: Escherichia coli BL21(DE3)
Mutation(s): No

Deposited: 2013-07-25 Released: 2013-10-23
Deposition Author(s): Li, H., Poulos, T.L.

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 1.86 Å
R-Value Free: 0.212
R-Value Work: 0.180
R-Value Observed: 0.182

Starting Model: experimental
View more details

wwPDB Validation 3D Report Full Report

Ligand Structure Quality Assessment

This is version 1.5 of the entry. See complete history.

Literature

Structural and biological studies on bacterial nitric oxide synthase inhibitors.

Holden, J.K., Li, H., Jing, Q., Kang, S., Richo, J., Silverman, R.B., Poulos, T.L.

(2013) Proc Natl Acad Sci U S A 110: 18127-18131

PubMed: 24145412 Search on PubMedSearch on PubMed Central
DOI: https://doi.org/10.1073/pnas.1314080110
Primary Citation of Related Structures:
4LUW, 4LUX, 4LWA, 4LWB

PubMed Abstract:
Nitric oxide (NO) produced by bacterial NOS functions as a cytoprotective agent against oxidative stress in Staphylococcus aureus, Bacillus anthracis, and Bacillus subtilis. The screening of several NOS-selective inhibitors uncovered two inhibitors with potential antimicrobial properties. These two compounds impede the growth of B. subtilis under oxidative stress, and crystal structures show that each compound exhibits a unique binding mode. Both compounds serve as excellent leads for the future development of antimicrobials against bacterial NOS-containing bacteria.

Organizational Affiliation

Departments of Molecular Biology and Biochemistry, Pharmaceutical Sciences, and Chemistry, University of California, Irvine, CA 92697-3900.

Macromolecule Content

Total Structure Weight: 100.24 kDa
Atom Count: 7,325
Modelled Residue Count: 818
Deposited Residue Count: 844
Unique protein chains: 1

Macromolecules

Find similar proteins by:

(by identity cutoff) | 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Nitric oxide synthase, brain	A, B	422	Rattus norvegicus	Mutation(s): 0 Gene Names: Nos1, Bnos EC: 1.14.13.39
UniProt
Find proteins for P29476 (Rattus norvegicus) Explore P29476 Go to UniProtKB: P29476
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	P29476
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 5 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
HEM Query on HEM Download Ideal Coordinates CCD File SDF format, chain C [auth A] SDF format, chain H [auth B] MOL2 format, chain C [auth A] MOL2 format, chain H [auth B] mmCIF format, chain C [auth A] mmCIF format, chain H [auth B]	C [auth A], H [auth B]	PROTOPORPHYRIN IX CONTAINING FE C₃₄ H₃₂ Fe N₄ O₄ KABFMIBPWCXCRK-RGGAHWMASA-L		Interactions Focus chain C [auth A] Focus chain H [auth B]
QJ8 Query on QJ8 Download Ideal Coordinates CCD File SDF format, chain E [auth A] SDF format, chain J [auth B] MOL2 format, chain E [auth A] MOL2 format, chain J [auth B] mmCIF format, chain E [auth A] mmCIF format, chain J [auth B]	E [auth A], J [auth B]	6-({[(3R,5S)-5-{[(6-amino-4-methylpyridin-2-yl)methoxy]methyl}pyrrolidin-3-yl]oxy}methyl)-4-methylpyridin-2-amine C₁₉ H₂₇ N₅ O₂ NUKSCYDKRQJOFO-WMLDXEAASA-N		Interactions Focus chain E [auth A] Focus chain J [auth B]
H4B Query on H4B Download Ideal Coordinates CCD File SDF format, chain D [auth A] SDF format, chain I [auth B] MOL2 format, chain D [auth A] MOL2 format, chain I [auth B] mmCIF format, chain D [auth A] mmCIF format, chain I [auth B]	D [auth A], I [auth B]	5,6,7,8-TETRAHYDROBIOPTERIN C₉ H₁₅ N₅ O₃ FNKQXYHWGSIFBK-RPDRRWSUSA-N		Interactions Focus chain D [auth A] Focus chain I [auth B]
ZN Query on ZN Download Ideal Coordinates CCD File SDF format, chain G [auth A] MOL2 format, chain G [auth A] mmCIF format, chain G [auth A]	G [auth A]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N		Interactions Focus chain G [auth A]
ACT Query on ACT Download Ideal Coordinates CCD File SDF format, chain F [auth A] SDF format, chain K [auth B] MOL2 format, chain F [auth A] MOL2 format, chain K [auth B] mmCIF format, chain F [auth A] mmCIF format, chain K [auth B]	F [auth A], K [auth B]	ACETATE ION C₂ H₃ O₂ QTBSBXVTEAMEQO-UHFFFAOYSA-M		Interactions Focus chain F [auth A] Focus chain K [auth B]

Binding Affinity Annotations
ID	Source	Binding Affinity
QJ8	BindingDB: 4LUX	Ki: min: 26, max: 26 (nM) from 2 assay(s)

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 1.86 Å
R-Value Free: 0.212
R-Value Work: 0.180
R-Value Observed: 0.182
Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 51.839	α = 90
b = 110.887	β = 90
c = 164.681	γ = 90

Software Package:

Software Name	Purpose
Blu-Ice	data collection
REFMAC	refinement
HKL-2000	data reduction
SCALEPACK	data scaling
REFMAC	phasing

Structure Validation

View Full Validation Report

Ligand Structure Quality Assessment

Entry History

Deposition Data

Released Date: 2013-10-23

Deposition Author(s):

Li, H.

Poulos, T.L.

Revision History (Full details and data files)

Version 1.0: 2013-10-23
Type: Initial release
Version 1.1: 2013-10-30
Changes: Database references
Version 1.2: 2013-11-06
Changes: Database references
Version 1.3: 2013-11-20
Changes: Database references
Version 1.4: 2017-11-15
Changes: Refinement description
Version 1.5: 2023-09-20
Changes: Data collection, Database references, Derived calculations, Refinement description