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

e1a9qA1 - ECOD Domain | ECOD

ECOD/Domains/e1a9qA1

e1a9qA1

UID: 000105827

PDB

Range: A:1-282
PDB: 1A9Q chain A(all domains)
UniProt: P55859 (all domains)
Gene: PNP

Molecule: Purine nucleoside phosphorylase (PNP) (EC 2.4.2.1) (Inosine phosphorylase) (Inosine-guanosine phosphorylase)

3D Structure

Loading viewer...

Related Domains

Browse other domains in PNP_UDP_1 →

Classification

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

XX-groupPhosphorylase/hydrolase-like(2011)

HH-groupPeptidyl-tRNA hydrolase-like(2011.2)

TT-groupPeptidyl-tRNA hydrolase-like(2011.2.1)

FFamilyPNP_UDP_1(2011.2.1.1)

Pfam Families

PF01048PNP_UDP_1

Phosphorylase superfamily

ClanCL0408PUP

External Links

ECOD PDB View: 1A9Q RCSB PDB: 1A9Q PDBe: 1A9Q UniProt: P55859

Downloads

Download Domain PDB Download Domain FASTA Full PDB Structure