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

e4uhaB1 - ECOD Domain | ECOD

ECOD/Domains/e4uhaB1

e4uhaB1

UID: 001566555

PDB

Range: B:69-482
PDB: 4UHA chain B(all domains)
UniProt: P29473 (all domains)
Gene: NOS3

Molecule: NITRIC OXIDE SYNTHASE, ENDOTHELIAL

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
Zinc ion

Pfam Families

PF02898NO_synthase

Nitric oxide synthase, oxygenase domain

External Links

ECOD PDB View: 4UHA RCSB PDB: 4UHA PDBe: 4UHA UniProt: P29473

Downloads

Download Domain PDB Download Domain FASTA Full PDB Structure

metal

3-(2-(6-AMINO-4-METHYLPYRIDIN-2-YL)ETHYL)-5-(METHYL(2-(METHYLAMINO)ETHYL)AMINO)BENZONITRILEQ1T

within 5 Å only

+ 2 additives (Acetate, Glycerin)

AcetateACT
DrugBank DB14511
GlycerinGOL
DrugBank DB09462

Shown in the structure viewer. Drug annotations from DrugDomain.