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

e4m9uA2 - ECOD Domain | ECOD

ECOD/Domains/e4m9uA2

e4m9uA2

UID: 001143016

PDB

Range: A:299-365
PDB: 4M9U chain A(all domains)
UniProt: Q5NGE8 (all domains)
Gene: purK

Molecule: Phosphoribosylaminoimidazole carboxylase, ATPase subunit

3D Structure

Loading viewer...

Related Domains

Browse other domains in PurK_C →

Classification

AArchitecturea+b complex topology(a.14)

XX-groupalpha/beta-Hammerhead/Barrel-sandwich hybrid(325)

HH-groupalpha/beta-Hammerhead/Barrel-sandwich hybrid(325.1)

TT-groupCO dehydrogenase molybdoprotein N-domain-like(325.1.1)

FFamilyPurK_C(325.1.1.4)

Ligands

in contact, ≤ 4 Å

Chloride ionCL

+ 2 additives (Formic acid, Acetate ion)

Formic acidFMT
DrugBank DB01942
Acetate ionACT

Shown in the structure viewer.

Pfam Families

Phosphoribosylaminoimidazole carboxylase C-terminal domain

ClanCL0105Hybrid

External Links

ECOD PDB View: 4M9U RCSB PDB: 4M9U PDBe: 4M9U UniProt: Q5NGE8

Downloads

Download Domain PDB Download Domain FASTA Full PDB Structure

Drug annotations from DrugDomain.