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

e4twkA1 - ECOD Domain | ECOD

ECOD/Domains/e4twkA1

e4twkA1

UID: 001320283

PDB

Range: A:38-192
PDB: 4TWK chain A(all domains)
UniProt: O95069 (all domains)
Gene: KCNK2

Molecule: Potassium channel subfamily K member 2

3D Structure

Loading viewer...

Related Domains

Browse other domains in Ion_trans_2 →

Classification

AArchitecturealpha complex topology(a.10)

XX-groupVoltage-gated ion channels(5054)

HH-groupVoltage-gated ion channels(5054.1)

TT-groupVoltage-gated ion channels(5054.1.1)

FFamilyIon_trans_2(5054.1.1.8)

Ligands

in contact, ≤ 4 Å

N-AcetylglucosamineNAG
drugDrugBank DB00141within 5 Å only
Octyl Glucose Neopentyl Glycol37X
Potassium ionK

Pfam Families

PF07885Ion_trans_2

Ion channel

ClanCL0030Ion_channel

External Links

ECOD PDB View: 4TWK RCSB PDB: 4TWK PDBe: 4TWK UniProt: O95069

Downloads

Download Domain PDB Download Domain FASTA Full PDB Structure

metal

Magnesium ionMG

metal

Shown in the structure viewer. Drug annotations from DrugDomain.