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

e3n4cA1 - ECOD Domain | ECOD

ECOD/Domains/e3n4cA1

e3n4cA1

UID: 000416531

PDB

Range: A:1-217
PDB: 3N4C chain A(all domains)
UniProt: P25774 (all domains)
Gene: CTSS

Molecule: Cathepsin S (EC 3.4.22.27)

3D Structure

Loading viewer...

Related Domains

Browse other domains in Peptidase_C1 →

Classification

AArchitecturea+b complex topology(a.14)

XX-groupCysteine proteinases-like(219)

HH-groupCysteine proteinases(219.1)

TT-groupCysteine proteinases(219.1.1)

FFamilyPeptidase_C1(219.1.1.1)

Pfam Families

PF00112Peptidase_C1

Papain family cysteine protease

ClanCL0125Peptidase_CA

External Links

ECOD PDB View: 3N4C RCSB PDB: 3N4C PDBe: 3N4C UniProt: P25774

Downloads

Download Domain PDB Download Domain FASTA Full PDB Structure