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

e1u3eM2 - ECOD Domain | ECOD

ECOD/Domains/e1u3eM2

e1u3eM2

UID: 000008234

RepresentativePDB

Range: M:1-105
PDB: 1U3E chain M(all domains)
UniProt: P34081 (all domains)

Molecule: HNH homing endonuclease

3D Structure

Loading viewer...

Related Domains

Browse other domains in NUMOD4,HNH_3 →

Classification

AArchitecturefew secondary structure elements(a.19)

XX-groupHis-Me finger endonucleases(378)

HH-groupHis-Me finger endonucleases(378.1)

TT-groupHis-Me finger endonucleases(378.1.1)

FFamilyNUMOD4,HNH_3(378.1.1.7)

Ligands

in contact, ≤ 4 Å

MANGANESE (II) IONMN
metal

+ 2 additives (Tromethamine, 1,2-ETHANEDIOL)

TromethamineTRS
DrugBank DB03754
1,2-ETHANEDIOL

Pfam Families

NUMOD4 motif

HNH endonuclease

ClanCL0263His-Me_finger

External Links

ECOD PDB View: 1U3E RCSB PDB: 1U3E PDBe: 1U3E UniProt: P34081

Downloads

Download Domain PDB Download Domain FASTA Full PDB Structure

Shown in the structure viewer. Drug annotations from DrugDomain.