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

e1yx9A3 - ECOD Domain | ECOD

ECOD/Domains/e1yx9A3

e1yx9A3

UID: 001248791

PDB

Range: A:1-147
PDB: 1YX9 chain A(all domains)
UniProt: P00791 (all domains)
Gene: PGA

Molecule: Pepsin A (EC 3.4.23.1)

3D Structure

Loading viewer...

Related Domains

Browse other domains in Asp →

Classification

AArchitecturebeta barrels(a.1)

XX-groupcradle loop barrel(1)

HH-groupRIFT-related(1.1)

TT-groupacid protease(1.1.1)

FFamilyAsp(1.1.1.1)

Pfam Families

Eukaryotic aspartyl protease

ClanCL0129Peptidase_AA

External Links

ECOD PDB View: 1YX9 RCSB PDB: 1YX9 PDBe: 1YX9 UniProt: P00791

Downloads

Download Domain PDB Download Domain FASTA Full PDB Structure