1DMI

BOVINE ENDOTHELIAL NITRIC OXIDE SYNTHASE HEME DOMAIN COMPLEXED WITH 6S-H4B

PDB DOI: https://doi.org/10.2210/pdb1DMI/pdb

Classification: OXIDOREDUCTASE
Organism(s): Bos taurus
Expression System: Escherichia coli
Mutation(s): No

Deposited: 1999-12-14 Released: 2000-12-20
Deposition Author(s): Raman, C.S., Li, H., Martasek, P., Kotsonis, P., Pfleiderer, W., Schmidt, H.H.H.W., Masters, B.S.S., Poulos, T.L.

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 2.00 Å
R-Value Free: 0.264
R-Value Work: 0.229
R-Value Observed: 0.229

wwPDB Validation 3D Report Full Report

Ligand Structure Quality Assessment

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

Literature

Crystal Structures of Bovine Endothelial Nitric Oxide Synthase Heme Domain Complexed with the Pterin Analogues

Raman, C.S., Li, H., Martasek, P., Kotsonis, P., Pfleiderer, W., Schmidt, H.H.H.W., Southan, G.J., Masters, B.S.S., Poulos, T.L.

To be published.

Macromolecule Content

Total Structure Weight: 102.1 kDa
Atom Count: 7,148
Modelled Residue Count: 830
Deposited Residue Count: 888
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	A, B	444	Bos taurus	Mutation(s): 0 EC: 1.14.13.39
UniProt
Find proteins for P29473 (Bos taurus) Explore P29473 Go to UniProtKB: P29473
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	P29473
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 7 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
HEM Query on HEM Download Ideal Coordinates CCD File SDF format, chain G [auth A] SDF format, chain N [auth B] MOL2 format, chain G [auth A] MOL2 format, chain N [auth B] mmCIF format, chain G [auth A] mmCIF format, chain N [auth B]	G [auth A], N [auth B]	PROTOPORPHYRIN IX CONTAINING FE C₃₄ H₃₂ Fe N₄ O₄ KABFMIBPWCXCRK-RGGAHWMASA-L		Interactions Focus chain G [auth A] Focus chain N [auth B] Interactions & Density Focus chain G [auth A] Focus chain N [auth B]
BHS Query on BHS Download Ideal Coordinates CCD File SDF format, chain H [auth A] SDF format, chain O [auth B] MOL2 format, chain H [auth A] MOL2 format, chain O [auth B] mmCIF format, chain H [auth A] mmCIF format, chain O [auth B]	H [auth A], O [auth B]	6S-5,6,7,8-TETRAHYDROBIOPTERIN C₉ H₁₅ N₅ O₃ FNKQXYHWGSIFBK-ZMIZWQJLSA-N		Interactions Focus chain H [auth A] Focus chain O [auth B] Interactions & Density Focus chain H [auth A] Focus chain O [auth B]
CAC Query on CAC Download Ideal Coordinates CCD File SDF format, chain E [auth A] SDF format, chain M [auth B] MOL2 format, chain E [auth A] MOL2 format, chain M [auth B] mmCIF format, chain E [auth A] mmCIF format, chain M [auth B]	E [auth A], M [auth B]	CACODYLATE ION C₂ H₆ As O₂ OGGXGZAMXPVRFZ-UHFFFAOYSA-M		Interactions Focus chain E [auth A] Focus chain M [auth B] Interactions & Density Focus chain E [auth A] Focus chain M [auth B]
ITU Query on ITU Download Ideal Coordinates CCD File SDF format, chain I [auth A] SDF format, chain P [auth B] MOL2 format, chain I [auth A] MOL2 format, chain P [auth B] mmCIF format, chain I [auth A] mmCIF format, chain P [auth B]	I [auth A], P [auth B]	ETHYLISOTHIOUREA C₃ H₈ N₂ S VFIZBHJTOHUOEK-UHFFFAOYSA-N		Interactions Focus chain I [auth A] Focus chain P [auth B] Interactions & Density Focus chain I [auth A] Focus chain P [auth B]
GOL Query on GOL Download Ideal Coordinates CCD File SDF format, chain J [auth A] SDF format, chain Q [auth B] MOL2 format, chain J [auth A] MOL2 format, chain Q [auth B] mmCIF format, chain J [auth A] mmCIF format, chain Q [auth B]	J [auth A], Q [auth B]	GLYCEROL C₃ H₈ O₃ PEDCQBHIVMGVHV-UHFFFAOYSA-N		Interactions Focus chain J [auth A] Focus chain Q [auth B] Interactions & Density Focus chain J [auth A] Focus chain Q [auth B]
ZN Query on ZN 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]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N		Interactions Focus chain F [auth A] Interactions & Density Focus chain F [auth A]
ACT Query on ACT Download Ideal Coordinates CCD File SDF format, chain C [auth A] SDF format, chain D [auth A] SDF format, chain K [auth B] SDF format, chain L [auth B] MOL2 format, chain C [auth A] MOL2 format, chain D [auth A] MOL2 format, chain K [auth B] MOL2 format, chain L [auth B] mmCIF format, chain C [auth A] mmCIF format, chain D [auth A] mmCIF format, chain K [auth B] mmCIF format, chain L [auth B]	C [auth A], D [auth A], K [auth B], L [auth B]	ACETATE ION C₂ H₃ O₂ QTBSBXVTEAMEQO-UHFFFAOYSA-M		Interactions Focus chain C [auth A] Focus chain D [auth A] Focus chain K [auth B] Focus chain L [auth B] Interactions & Density Focus chain C [auth A] Focus chain D [auth A] Focus chain K [auth B] Focus chain L [auth B]

Binding Affinity Annotations
ID	Source	Binding Affinity
ITU	BindingDB: 1DMI	IC50: 1300 (nM) from 1 assay(s)

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 2.00 Å
R-Value Free: 0.264
R-Value Work: 0.229
R-Value Observed: 0.229
Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 58.63	α = 90
b = 106.56	β = 90
c = 156.79	γ = 90

Software Package:

Software Name	Purpose
X-PLOR	model building
CNS	refinement
DENZO	data reduction
SCALEPACK	data scaling
X-PLOR	phasing

Structure Validation

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Ligand Structure Quality Assessment

Entry History

Deposition Data

Released Date: 2000-12-20

Deposition Author(s):

Revision History (Full details and data files)

Version 1.0: 2000-12-20
Type: Initial release
Version 1.1: 2008-04-27
Changes: Version format compliance
Version 1.2: 2011-07-13
Changes: Non-polymer description, Version format compliance
Version 1.3: 2024-02-07
Changes: Data collection, Database references, Derived calculations