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

e4o9yA2 - ECOD Domain | ECOD

ECOD/Domains/e4o9yA2

e4o9yA2

UID: 001885516

RepresentativePDB

Range: A:1308-1363,A:1491-1580
PDB: 4O9Y chain A(all domains)
UniProt: Q9RN43 (all domains)
Gene: tcdA

Molecule: TcdA1 (Toxin A)

3D Structure

Loading viewer...

Related Domains

Browse other domains in TcdA1_RBD_2 →

Classification

AArchitecturebeta sandwiches(a.3)

XX-groupImmunoglobulin-like beta-sandwich(11)

HH-groupImmunoglobulin-related(11.1)

TT-groupImmunoglobulin/Fibronectin type III/E set domains/PapD-like(11.1.1)

FFamilyTcdA1_RBD_2(11.1.1.331)

Pfam Families

PF21963TcdA1_RBD_2

TcdA1, receptor binding domain

ClanCL0159E-set

External Links

ECOD PDB View: 4O9Y RCSB PDB: 4O9Y PDBe: 4O9Y UniProt: Q9RN43

Downloads

Download Domain PDB Download Domain FASTA Full PDB Structure