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

Resources

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

© 2014-2026 Grishin Lab / HHMI / UTSW

e1an4A1 - ECOD Domain | ECOD

ECOD/Domains/e1an4A1

e1an4A1

UID: 000004278

RepresentativePDB

Range: A:196-260
PDB: 1AN4 chain A(all domains)
UniProt: P22415 (all domains)
Gene: USF1

Molecule: Upstream stimulatory factor 1 (Class B basic helix-loop-helix protein 11) (bHLHb11) (Major late transcription factor 1)

3D Structure

Loading viewer...

Related Domains

Browse other domains in HLH →

Classification

AArchitecturealpha duplicates or obligate multimers(a.8)

XX-groupHLH-like(105)

HH-groupHLH, helix-loop-helix DNA-binding domain(105.1)

TT-groupHLH, helix-loop-helix DNA-binding domain(105.1.1)

FFamilyHLH(105.1.1.1)

Pfam Families

Helix-loop-helix DNA-binding domain

ClanCL0827bHLH

External Links

ECOD PDB View: 1AN4 RCSB PDB: 1AN4 PDBe: 1AN4 UniProt: P22415

Downloads

Download Domain PDB Download Domain FASTA Full PDB Structure