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

e3s4yA2 - ECOD Domain | ECOD

ECOD/Domains/e3s4yA2

e3s4yA2

UID: 000181250

PDB

Range: A:16-157
PDB: 3S4Y chain A(all domains)
UniProt: Q9H3S4 (all domains)
Gene: TPK1

Molecule: Thiamin pyrophosphokinase 1

3D Structure

Loading viewer...

Related Domains

Browse other domains in TPK_catalytic →

Classification

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

XX-groupThiamin pyrophosphokinase, catalytic domain(7562)

HH-groupThiamin pyrophosphokinase, catalytic domain(7562.1)

TT-groupThiamin pyrophosphokinase, catalytic domain(7562.1.1)

FFamilyTPK_catalytic(7562.1.1.1)

Ligands

in contact, ≤ 4 Å

Calcium ionCA
metal
Thiamine diphosphateTPP
Unknown atom or ionUNX

Pfam Families

PF04263TPK_catalytic

Thiamin pyrophosphokinase, catalytic domain

ClanCL0948GT29-like

External Links

ECOD PDB View: 3S4Y RCSB PDB: 3S4Y PDBe: 3S4Y UniProt: Q9H3S4

Downloads

Download Domain PDB Download Domain FASTA Full PDB Structure

+ 1 additive (Sulfate ion)

Sulfate ionSO4
DrugBank DB14546

Shown in the structure viewer. Drug annotations from DrugDomain.