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

Q9LXD8_F1_nD1 - ECOD Domain | ECOD

ECOD/Domains/Q9LXD8_F1_nD1

Q9LXD8_F1_nD1

UID: 003803853

AlphaFold

Range: 96-105,131-180
AlphaFold: AF-Q9LXD8
UniProt: Q9LXD8 (all domains)
Gene: HEC3

Protein: Transcription factor HEC3 (Basic helix-loop-helix protein 43) (AtbHLH43) (bHLH 43) (Protein HECATE 3) (Transcription factor EN 119) (bHLH transcription factor bHLH043)

3D Structure

Loading viewer...

Related Domains

Browse other domains in bHLH_SAC51 →

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)

FFamilybHLH_SAC51(105.1.1.41)

Pfam Families

PF23173bHLH_SAC51

Transcription factor SAC51 bHLH domain

ClanCL0827bHLH

External Links

AlphaFold DB: Q9LXD8 UniProt: Q9LXD8

Representative

This domain is classified based on similarity to:

Downloads

Full AlphaFold Structure (PDB)Full AlphaFold Structure (mmCIF)

Domain coordinates: residues 96-105,131-180