3NQS

Crystal Structure of Inducible Nitric Oxide Synthase with N-Nitrosated-pterin

PDB DOI: https://doi.org/10.2210/pdb3NQS/pdb

Classification: OXIDOREDUCTASE
Organism(s): Mus musculus
Expression System: Escherichia coli
Mutation(s): No

Deposited: 2010-06-29 Released: 2010-07-21
Deposition Author(s): Rosenfeld, R.J., Getzoff, E.D., Tainer, J.A.

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 2.20 Å
R-Value Free: 0.229
R-Value Work: 0.204
R-Value Observed: 0.204

wwPDB Validation 3D Report Full Report

Ligand Structure Quality Assessment

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

Macromolecule Content

Total Structure Weight: 103.6 kDa
Atom Count: 7,533
Modelled Residue Count: 824
Deposited Residue Count: 866
Unique protein chains: 1

Macromolecules

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(by identity cutoff) | 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Nitric oxide synthase, inducible	A, B	433	Mus musculus	Mutation(s): 0 Gene Names: Inosl, Nos2 EC: 1.14.13.39
UniProt & NIH Common Fund Data Resources
Find proteins for P29477 (Mus musculus) Explore P29477 Go to UniProtKB: P29477
IMPC: MGI:97361
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	P29477
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 8 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 M [auth B] MOL2 format, chain C [auth A] MOL2 format, chain M [auth B]	C [auth A], M [auth B]	PROTOPORPHYRIN IX CONTAINING FE C₃₄ H₃₂ Fe N₄ O₄ KABFMIBPWCXCRK-RGGAHWMASA-L		Interactions Focus chain C [auth A] Focus chain M [auth B] Interactions & Density Focus chain C [auth A] Focus chain M [auth B]
BOG Query on BOG Download Ideal Coordinates CCD File SDF format, chain R [auth B] MOL2 format, chain R [auth B]	R [auth B]	octyl beta-D-glucopyranoside C₁₄ H₂₈ O₆ HEGSGKPQLMEBJL-RKQHYHRCSA-N		Interactions Focus chain R [auth B] Interactions & Density Focus chain R [auth B]
AT2 Query on AT2 Download Ideal Coordinates CCD File SDF format, chain F [auth A] SDF format, chain P [auth B] MOL2 format, chain F [auth A] MOL2 format, chain P [auth B]	F [auth A], P [auth B]	ETHYL 4-[(4-METHYLPYRIDIN-2-YL)AMINO]PIPERIDINE-1-CARBOXYLATE C₁₄ H₂₁ N₃ O₂ LNRMJBWADUSJTA-UHFFFAOYSA-N		Interactions Focus chain F [auth A] Focus chain P [auth B] Interactions & Density Focus chain F [auth A] Focus chain P [auth B]
H4B Query on H4B Download Ideal Coordinates CCD File SDF format, chain D [auth A] SDF format, chain N [auth B] MOL2 format, chain D [auth A] MOL2 format, chain N [auth B]	D [auth A], N [auth B]	5,6,7,8-TETRAHYDROBIOPTERIN C₉ H₁₅ N₅ O₃ FNKQXYHWGSIFBK-RPDRRWSUSA-N		Interactions Focus chain D [auth A] Focus chain N [auth B] Interactions & Density Focus chain D [auth A] Focus chain N [auth B]
SO4 Query on SO4 Download Ideal Coordinates CCD File SDF format, chain J [auth A] SDF format, chain K [auth A] SDF format, chain L [auth A] SDF format, chain S [auth B] SDF format, chain T [auth B] MOL2 format, chain J [auth A] MOL2 format, chain K [auth A] MOL2 format, chain L [auth A] MOL2 format, chain S [auth B] MOL2 format, chain T [auth B]	J [auth A], K [auth A], L [auth A], S [auth B], T [auth B]	SULFATE ION O₄ S QAOWNCQODCNURD-UHFFFAOYSA-L		Interactions Focus chain J [auth A] Focus chain K [auth A] Focus chain L [auth A] Focus chain S [auth B] Focus chain T [auth B] Interactions & Density Focus chain J [auth A] Focus chain K [auth A] Focus chain L [auth A] Focus chain S [auth B] Focus chain T [auth B]
GOL Query on GOL Download Ideal Coordinates CCD File SDF format, chain G [auth A] MOL2 format, chain G [auth A]	G [auth A]	GLYCEROL C₃ H₈ O₃ PEDCQBHIVMGVHV-UHFFFAOYSA-N		Interactions Focus chain G [auth A] Interactions & Density Focus chain G [auth A]
EDO Query on EDO Download Ideal Coordinates CCD File SDF format, chain H [auth A] SDF format, chain I [auth A] SDF format, chain Q [auth B] MOL2 format, chain H [auth A] MOL2 format, chain I [auth A] MOL2 format, chain Q [auth B]	H [auth A], I [auth A], Q [auth B]	1,2-ETHANEDIOL C₂ H₆ O₂ LYCAIKOWRPUZTN-UHFFFAOYSA-N		Interactions Focus chain H [auth A] Focus chain I [auth A] Focus chain Q [auth B] Interactions & Density Focus chain H [auth A] Focus chain I [auth A] Focus chain Q [auth B]
NO Query on NO Download Ideal Coordinates CCD File SDF format, chain E [auth A] SDF format, chain O [auth B] MOL2 format, chain E [auth A] MOL2 format, chain O [auth B]	E [auth A], O [auth B]	NITRIC OXIDE N O ODUCDPQEXGNKDN-UHFFFAOYSA-N		Interactions Focus chain E [auth A] Focus chain O [auth B] Interactions & Density Focus chain E [auth A] Focus chain O [auth B]

Binding Affinity Annotations
ID	Source	Binding Affinity
AT2	BindingDB: 3NQS	IC50: 350 (nM) from 1 assay(s)

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 2.20 Å
R-Value Free: 0.229
R-Value Work: 0.204
R-Value Observed: 0.204
Space Group: P 6₁ 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 214.114	α = 90
b = 214.114	β = 90
c = 116.542	γ = 120

Software Package:

Software Name	Purpose
ADSC	data collection
XFIT	data reduction
CNS	refinement
DENZO	data reduction
HKL-2000	data scaling

Structure Validation

View Full Validation Report

Ligand Structure Quality Assessment

Entry History

Deposition Data

Released Date: 2010-07-21

Deposition Author(s):

Rosenfeld, R.J.

Getzoff, E.D.

Tainer, J.A.

Revision History (Full details and data files)

Version 1.0: 2010-07-21
Type: Initial release
Version 1.1: 2011-07-13
Changes: Version format compliance
Version 1.2: 2020-07-29
Type: Remediation
Reason: Carbohydrate remediation
Changes: Data collection, Derived calculations, Structure summary
Version 1.3: 2023-09-06
Changes: Data collection, Database references, Refinement description, Structure summary