9MWH | pdb_00009mwh

Structure of rat neuronal nitric oxide synthase R349A mutant heme domain bound with N-(4-(2-((3-(thiazole-5-carboximidamido)benzyl)amino)ethyl)phenyl)thiazole-5-carboximidamide

PDB DOI: https://doi.org/10.2210/pdb9MWH/pdb

Classification: OXIDOREDUCTASE
Organism(s): Rattus norvegicus
Expression System: Escherichia coli BL21(DE3)
Mutation(s): Yes

Deposited: 2025-01-17 Released: 2025-11-26
Deposition Author(s): Li, H., Poulos, T.L.
Funding Organization(s): National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 1.96 Å
R-Value Free:
0.254 (Depositor), 0.253 (DCC)
R-Value Work:
0.206 (Depositor), 0.212 (DCC)
R-Value Observed:
0.209 (Depositor)

Starting Model: experimental
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wwPDB Validation 3D Report Full Report

Ligand Structure Quality Assessment

This is version 1.0 of the entry. See complete history.

Literature

A step forward for neuronal Nitric Oxide Synthase Inhibitors against Melanoma

Awasthi, A., Li, H., Hardy, C.D., Poulos, T.L., Silverman, R.B.

To be published.

Macromolecule Content

Total Structure Weight: 50.17 kDa
Atom Count: 3,486
Modeled Residue Count: 412
Deposited Residue Count: 422
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, brain	A	422	Rattus norvegicus	Mutation(s): 1 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 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]
A1BT5 (Subject of Investigation/LOI) Query on A1BT5 Download Ideal Coordinates CCD File SDF format, chain F [auth A] MOL2 format, chain F [auth A] mmCIF format, chain F [auth A]	F [auth A]	N-[3-({[2-(4-{[(Z)-imino(1,3-thiazol-5-yl)methyl]amino}phenyl)ethyl]amino}methyl)phenyl]-1,3-thiazole-5-carboximidamide C₂₃ H₂₃ N₇ S₂ OSSYPEGNXRITFY-UHFFFAOYSA-N		Interactions Focus chain F [auth A] Interactions & Density Focus chain F [auth A]
H4B Query on H4B Download Ideal Coordinates CCD File SDF format, chain C [auth A] MOL2 format, chain C [auth A] mmCIF format, chain C [auth A]	C [auth A]	5,6,7,8-TETRAHYDROBIOPTERIN C₉ H₁₅ N₅ O₃ FNKQXYHWGSIFBK-RPDRRWSUSA-N		Interactions Focus chain C [auth A] Interactions & Density Focus chain C [auth A]
ZN Query on ZN Download Ideal Coordinates CCD File SDF format, chain E [auth A] MOL2 format, chain E [auth A] mmCIF format, chain E [auth A]	E [auth A]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N		Interactions Focus chain E [auth A] Interactions & Density Focus chain E [auth A]
ACT Query on ACT Download Ideal Coordinates CCD File SDF format, chain D [auth A] MOL2 format, chain D [auth A] mmCIF format, chain D [auth A]	D [auth A]	ACETATE ION C₂ H₃ O₂ QTBSBXVTEAMEQO-UHFFFAOYSA-M		Interactions Focus chain D [auth A] Interactions & Density Focus chain D [auth A]