9MWA | pdb_00009mwa

Structure of human neuronal nitric oxide synthase R354A/G357D mutant heme domain bound with N-(4-(2-((3-(thiophene-2-carboximidamido)benzyl)amino)ethyl)phenyl)thiophene-2-carboximidamide

PDB DOI: https://doi.org/10.2210/pdb9MWA/pdb

Classification: OXIDOREDUCTASE
Organism(s): Homo sapiens
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: 2.00 Å
R-Value Free:
0.230 (Depositor), 0.225 (DCC)
R-Value Work:
0.185 (Depositor), 0.177 (DCC)
R-Value Observed:
0.187 (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: 201.94 kDa
Atom Count: 14,870
Modeled Residue Count: 1,662
Deposited Residue Count: 1,692
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, B, C, D	423	Homo sapiens	Mutation(s): 2 Gene Names: NOS1 EC: 1.14.13.39
UniProt & NIH Common Fund Data Resources
Find proteins for P29475 (Homo sapiens) Explore P29475 Go to UniProtKB: P29475
PHAROS: P29475 GTEx: ENSG00000089250
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	P29475
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 E [auth A] SDF format, chain J [auth B] SDF format, chain N [auth C] SDF format, chain T [auth D] MOL2 format, chain E [auth A] MOL2 format, chain J [auth B] MOL2 format, chain N [auth C] MOL2 format, chain T [auth D] mmCIF format, chain E [auth A] mmCIF format, chain J [auth B] mmCIF format, chain N [auth C] mmCIF format, chain T [auth D]	E [auth A], J [auth B], N [auth C], T [auth D]	PROTOPORPHYRIN IX CONTAINING FE C₃₄ H₃₂ Fe N₄ O₄ KABFMIBPWCXCRK-RGGAHWMASA-L		Interactions Focus chain E [auth A] Focus chain J [auth B] Focus chain N [auth C] Focus chain T [auth D] Interactions & Density Focus chain E [auth A] Focus chain J [auth B] Focus chain N [auth C] Focus chain T [auth D]
H44 (Subject of Investigation/LOI) Query on H44 Download Ideal Coordinates CCD File SDF format, chain G [auth A] SDF format, chain L [auth B] SDF format, chain P [auth C] SDF format, chain V [auth D] MOL2 format, chain G [auth A] MOL2 format, chain L [auth B] MOL2 format, chain P [auth C] MOL2 format, chain V [auth D] mmCIF format, chain G [auth A] mmCIF format, chain L [auth B] mmCIF format, chain P [auth C] mmCIF format, chain V [auth D]	G [auth A], L [auth B], P [auth C], V [auth D]	N-(4-{2-[(3-{[(E)-imino(thiophen-2-yl)methyl]amino}benzyl)amino]ethyl}phenyl)thiophene-2-carboximidamide C₂₅ H₂₅ N₅ S₂ RWYJTZOFPFOVAE-UHFFFAOYSA-N		Interactions Focus chain G [auth A] Focus chain L [auth B] Focus chain P [auth C] Focus chain V [auth D] Interactions & Density Focus chain G [auth A] Focus chain L [auth B] Focus chain P [auth C] Focus chain V [auth D]
H4B Query on H4B Download Ideal Coordinates CCD File SDF format, chain F [auth A] SDF format, chain K [auth B] SDF format, chain O [auth C] SDF format, chain U [auth D] MOL2 format, chain F [auth A] MOL2 format, chain K [auth B] MOL2 format, chain O [auth C] MOL2 format, chain U [auth D] mmCIF format, chain F [auth A] mmCIF format, chain K [auth B] mmCIF format, chain O [auth C] mmCIF format, chain U [auth D]	F [auth A], K [auth B], O [auth C], U [auth D]	5,6,7,8-TETRAHYDROBIOPTERIN C₉ H₁₅ N₅ O₃ FNKQXYHWGSIFBK-RPDRRWSUSA-N		Interactions Focus chain F [auth A] Focus chain K [auth B] Focus chain O [auth C] Focus chain U [auth D] Interactions & Density Focus chain F [auth A] Focus chain K [auth B] Focus chain O [auth C] Focus chain U [auth D]
GOL Query on GOL Download Ideal Coordinates CCD File SDF format, chain H [auth A] SDF format, chain M [auth B] SDF format, chain Q [auth C] SDF format, chain R [auth C] SDF format, chain W [auth D] SDF format, chain X [auth D] MOL2 format, chain H [auth A] MOL2 format, chain M [auth B] MOL2 format, chain Q [auth C] MOL2 format, chain R [auth C] MOL2 format, chain W [auth D] MOL2 format, chain X [auth D] mmCIF format, chain H [auth A] mmCIF format, chain M [auth B] mmCIF format, chain Q [auth C] mmCIF format, chain R [auth C] mmCIF format, chain W [auth D] mmCIF format, chain X [auth D]	H [auth A] M [auth B] Q [auth C] R [auth C] W [auth D] H [auth A], M [auth B], Q [auth C], R [auth C], W [auth D], X [auth D]	GLYCEROL C₃ H₈ O₃ PEDCQBHIVMGVHV-UHFFFAOYSA-N		Interactions Focus chain H [auth A] Focus chain M [auth B] Focus chain Q [auth C] Focus chain R [auth C] Focus chain W [auth D] Focus chain X [auth D] Interactions & Density Focus chain H [auth A] Focus chain M [auth B] Focus chain Q [auth C] Focus chain R [auth C] Focus chain W [auth D] Focus chain X [auth D]
ZN Query on ZN Download Ideal Coordinates CCD File SDF format, chain I [auth A] SDF format, chain S [auth D] MOL2 format, chain I [auth A] MOL2 format, chain S [auth D] mmCIF format, chain I [auth A] mmCIF format, chain S [auth D]	I [auth A], S [auth D]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N		Interactions Focus chain I [auth A] Focus chain S [auth D] Interactions & Density Focus chain I [auth A] Focus chain S [auth D]