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

e4uniA2 - ECOD Domain | ECOD

ECOD/Domains/e4uniA2

e4uniA2

UID: 001401440

PDB

Range: A:411-627
PDB: 4UNI chain A(all domains)
UniProt: C6A6W5 (all domains)

Molecule: BETA-GALACTOSIDASE

3D Structure

Loading viewer...

Related Domains

Browse other domains in Glyco_hydro_42M →

Classification

AArchitecturea/b three-layered sandwiches(a.17)

XX-groupFlavodoxin-like(2007)

HH-groupClass I glutamine amidotransferase-like(2007.1)

TT-groupClass I glutamine amidotransferase-like(2007.1.1)

FFamilyGlyco_hydro_42M(2007.1.1.13)

Ligands

in contact, ≤ 4 Å

Only buffers and crystallization additives.

+ 2 additives (Triethylene glycol, DI(HYDROXYETHYL)ETHER)

Triethylene glycolPGE
DrugBank DB02327
DI(HYDROXYETHYL)ETHERPEG

Shown in the structure viewer. Drug annotations from DrugDomain.

Pfam Families

PF08532Glyco_hydro_42M

Beta-galactosidase trimerisation domain

ClanCL0014Glutaminase_I

External Links

ECOD PDB View: 4UNI RCSB PDB: 4UNI PDBe: 4UNI UniProt: C6A6W5

Downloads

Download Domain PDB Download Domain FASTA Full PDB Structure