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

e3ru4D1 - ECOD Domain | ECOD

ECOD/Domains/e3ru4D1

e3ru4D1

UID: 005090380

PDB

Range: D:1-131
PDB: 3RU4 chain D(all domains)
UniProt: P00766 (all domains)

Molecule: Chymotrypsinogen A (EC 3.4.21.1) [Cleaved into: Chymotrypsin A chain A; Chymotrypsin A chain B; Chymotrypsin A chain C]

3D Structure

Loading viewer...

Related Domains

Browse other domains in Trypsin →

Classification

AArchitecturebeta barrels(a.1)

XX-groupcradle loop barrel(1)

HH-groupRIFT-related(1.1)

TT-groupFMN-binding split barrel 2(1.1.17)

FFamilyTrypsin(1.1.17.1)

Pfam Families

PF00089Trypsin

Trypsin

ClanCL0124Peptidase_PA

External Links

ECOD PDB View: 3RU4 RCSB PDB: 3RU4 PDBe: 3RU4 UniProt: P00766

Downloads

Download Domain PDB Download Domain FASTA Full PDB Structure