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

e3t4kA1 - ECOD Domain | ECOD

ECOD/Domains/e3t4kA1

e3t4kA1

UID: 000430441

PDB

Range: A:126-335
PDB: 3T4K chain A(all domains)
UniProt: Q9C5U0 (all domains)
Gene: AHK4

Molecule: Histidine kinase 4

3D Structure

Loading viewer...

Related Domains

Browse other domains in CHASE →

Classification

AArchitecturea+b three layers(a.12)

XX-groupProfilin-like(223)

HH-groupsensor domains(223.1)

TT-groupsensor domains(223.1.1)

FFamilyCHASE(223.1.1.8)

Ligands

in contact, ≤ 4 Å

N-BENZYL-9H-PURIN-6-AMINEEMU

+ 1 additive (Malonate Ion)

Malonate IonMLI
DrugBank DB02201

Shown in the structure viewer. Drug annotations from DrugDomain.

Pfam Families

CHASE domain

ClanCL0165Cache

External Links

ECOD PDB View: 3T4K RCSB PDB: 3T4K PDBe: 3T4K UniProt: Q9C5U0

Downloads

Download Domain PDB Download Domain FASTA Full PDB Structure