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

e3kkdA4 - ECOD Domain | ECOD

ECOD/Domains/e3kkdA4

e3kkdA4

UID: 001247912

PDB

Range: A:98-237
PDB: 3KKD chain A(all domains)
UniProt: Q9HXU1 (all domains)
Gene: PA3699

Molecule: transcriptional regulator

3D Structure

Loading viewer...

Related Domains

Browse other domains in TetR_C_31 →

Classification

AArchitecturealpha bundles(a.7)

XX-groupTetracyclin repressor-like, C-terminal domain(191)

HH-groupTetracyclin repressor-like, C-terminal domain(191.1)

TT-groupTetracyclin repressor-like, C-terminal domain(191.1.1)

FFamilyTetR_C_31(191.1.1.33)

Ligands

in contact, ≤ 4 Å

Only buffers and crystallization additives.

+ 1 additive (Triethylene glycol)

Triethylene glycolPGE
DrugBank DB02327

Shown in the structure viewer. Drug annotations from DrugDomain.

Pfam Families

PF17940TetR_C_31

Tetracyclin repressor-like, C-terminal domain

ClanCL0174TetR_C

External Links

ECOD PDB View: 3KKD RCSB PDB: 3KKD PDBe: 3KKD UniProt: Q9HXU1

Downloads

Download Domain PDB Download Domain FASTA Full PDB Structure