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

e3k0aB1 - ECOD Domain | ECOD

ECOD/Domains/e3k0aB1

e3k0aB1

UID: 000387538

PDB

Range: B:14-255
PDB: 3K0A chain B(all domains)
UniProt: Q79PF4 (all domains)
Gene: kaiC

Molecule: Circadian clock protein kinase KaiC

3D Structure

Loading viewer...

Related Domains

Browse other domains in ATPase →

Classification

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

XX-groupP-loop domains-like(2004)

HH-groupP-loop domains-related(2004.1)

TT-groupP-loop containing nucleoside triphosphate hydrolases(2004.1.1)

FFamilyATPase(2004.1.1.146)

Ligands

in contact, ≤ 4 Å

ATPATP
drugDrugBank DB00171
Magnesium ionMG
metal

Shown in the structure viewer. Drug annotations from DrugDomain.

Pfam Families

KaiC

ClanCL0023P-loop_NTPase

External Links

ECOD PDB View: 3K0A RCSB PDB: 3K0A PDBe: 3K0A UniProt: Q79PF4

Downloads

Download Domain PDB Download Domain FASTA Full PDB Structure