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

e1trrE1 - ECOD Domain | ECOD

ECOD/Domains/e1trrE1

e1trrE1

UID: 000046447

PDB

Range: E:8-106
PDB: 1TRR chain E(all domains)
UniProt: P0A881 (all domains)
Gene: trpR

Molecule: PROTEIN (TRP REPRESSOR)

3D Structure

Loading viewer...

Related Domains

Browse other domains in Trp_repressor →

Classification

AArchitecturealpha arrays(a.6)

XX-groupHTH(101)

HH-groupHTH(101.1)

TT-groupTrpR(101.1.6)

FFamilyTrp_repressor(101.1.6.1)

Ligands

in contact, ≤ 4 Å

TryptophanTRP
drugDrugBank DB00150

Shown in the structure viewer. Drug annotations from DrugDomain.

Pfam Families

PF01371Trp_repressor

Trp repressor protein

ClanCL0123HTH

External Links

ECOD PDB View: 1TRR RCSB PDB: 1TRR PDBe: 1TRR UniProt: P0A881

Downloads

Download Domain PDB Download Domain FASTA Full PDB Structure