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

e1b6sB1 - ECOD Domain | ECOD

ECOD/Domains/e1b6sB1

e1b6sB1

UID: 000080631

PDB

Range: B:79-276
PDB: 1B6S chain B(all domains)
UniProt: P09029 (all domains)
Gene: purK

Molecule: N5-carboxyaminoimidazole ribonucleotide synthase (N5-CAIR synthase) (EC 6.3.4.18) (5-(carboxyamino)imidazole ribonucleotide synthetase)

3D Structure

Loading viewer...

Related Domains

Browse other domains in ATP-grasp →

Classification

AArchitecturea+b complex topology(a.14)

XX-groupProtein kinase/SAICAR synthase/ATP-grasp(206)

HH-groupProtein kinase/SAICAR synthase/ATP-grasp(206.1)

TT-groupATP-grasp(206.1.3)

FFamilyATP-grasp(206.1.3.7)

Pfam Families

PF02222ATP-grasp

ATP-grasp domain

ClanCL0179ATP-grasp

External Links

ECOD PDB View: 1B6S RCSB PDB: 1B6S PDBe: 1B6S UniProt: P09029

Downloads

Download Domain PDB Download Domain FASTA Full PDB Structure