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

e4q39A2 - ECOD Domain | ECOD

ECOD/Domains/e4q39A2

e4q39A2

UID: 002617905

PDB

Range: A:1-121
PDB: 4Q39 chain A(all domains)
UniProt: Q46E80 (all domains)
Gene: pylD

Molecule: PYLD, pyrrolysine synthase

3D Structure

Loading viewer...

Related Domains

Browse other domains in PylD_N →

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)

FFamilyPylD_N(2007.1.1.21)

Ligands

in contact, ≤ 4 Å

NADHNAI
drugDrugBank DB00157
PyrrolysinePYL

+ 3 additives (Glycerin, 1,2-ETHANEDIOL, DI(HYDROXYETHYL)ETHER)

Glycerin

Pfam Families

Pyrrolysine biosynthesis protein PylD, N-terminal domain

ClanCL0014Glutaminase_I

External Links

ECOD PDB View: 4Q39 RCSB PDB: 4Q39 PDBe: 4Q39 UniProt: Q46E80

Downloads

Download Domain PDB Download Domain FASTA Full PDB Structure

DrugBank DB09462

1,2-ETHANEDIOLEDO

DI(HYDROXYETHYL)ETHERPEG

Shown in the structure viewer. Drug annotations from DrugDomain.