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

e4r3dB2 - ECOD Domain | ECOD

ECOD/Domains/e4r3dB2

e4r3dB2

UID: 001680145

PDB

Range: B:64-326
PDB: 4R3D chain B(all domains)
UniProt: K9N638 (all domains)
Gene: 1a

Molecule: Non-structural protein 3

3D Structure

Loading viewer...

Related Domains

Browse other domains in CoV_peptidase →

Classification

AArchitecturea+b complex topology(a.14)

XX-groupCysteine proteinases-like(219)

HH-groupCysteine proteinases(219.1)

TT-groupCysteine proteinases(219.1.1)

FFamilyCoV_peptidase(219.1.1.43)

Ligands

in contact, ≤ 4 Å

Zinc ionZN
metal

Shown in the structure viewer. Drug annotations from DrugDomain.

Pfam Families

PF08715CoV_peptidase

Coronavirus papain-like peptidase

ClanCL0125Peptidase_CA

External Links

ECOD PDB View: 4R3D RCSB PDB: 4R3D PDBe: 4R3D UniProt: K9N638

Downloads

Download Domain PDB Download Domain FASTA Full PDB Structure