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

e1r23B1 - ECOD Domain | ECOD

ECOD/Domains/e1r23B1

e1r23B1

UID: 000045596

PDB

Range: B:25-121
PDB: 1R23 chain B(all domains)
UniProt: P30340 (all domains)
Gene: smtB

Molecule: Transcriptional repressor SmtB

3D Structure

Loading viewer...

Related Domains

Browse other domains in HTH_5 →

Classification

AArchitecturealpha arrays(a.6)

XX-groupHTH(101)

HH-groupHTH(101.1)

TT-groupwinged helix domain(101.1.2)

FFamilyHTH_5(101.1.2.14)

Pfam Families

Bacterial regulatory protein, arsR family

ClanCL0123HTH

External Links

ECOD PDB View: 1R23 RCSB PDB: 1R23 PDBe: 1R23 UniProt: P30340

Downloads

Download Domain PDB Download Domain FASTA Full PDB Structure