ECODEvolutionary Classification of Protein Domains

Home Browse Search Download Help

About ECOD

ECOD (Evolutionary Classification of Protein Domains) is a hierarchical classification of protein domains based on evolutionary relationships. It combines automated sequence and structure analysis with manual curation.

Quick Links

Browse Classification
Search
Download Data
Documentation
Privacy

Resources

Grishin Lab
UT Southwestern
RCSB PDB
AlphaFold DB
ecod.database@gmail.com

© 2014-2026 Grishin Lab / HHMI / UTSW

e7s3xA1 - ECOD Domain | ECOD

ECOD/Domains/e7s3xA1

e7s3xA1

UID: 002886137

PDB

Range: A:299-716
PDB: 7S3X chain A(all domains)

Molecule: Nitric oxide synthase, brain

3D Structure

Loading viewer...

Related Domains

Browse other domains in NO_synthase →

Classification

AArchitecturea+b complex topology(a.14)

XX-groupNitric oxide (NO) synthase oxygenase domain(262)

HH-groupNitric oxide (NO) synthase oxygenase domain(262.1)

TT-groupNitric oxide (NO) synthase oxygenase domain(262.1.1)

FFamilyNO_synthase(262.1.1.1)

Ligands

in contact, ≤ 4 Å

SapropterinH4B
drugDrugBank DB00360
FerrohemeHEM
drugDrugBank DB18267
7-{[3-({[(pyridin-2-yl)methyl]amino}methyl)phenyl]methoxy}-5,8-dihydroquinolin-2-amine

Pfam Families

PF02898NO_synthase

Nitric oxide synthase, oxygenase domain

External Links

ECOD PDB View: 7S3X RCSB PDB: 7S3X PDBe: 7S3X

Downloads

Download Domain PDB Download Domain FASTA Full PDB Structure

Zinc ionZN

metal

+ 1 additive (Acetate)

AcetateACT
DrugBank DB14511

Shown in the structure viewer. Drug annotations from DrugDomain.