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

e2a6cB1 - ECOD Domain | ECOD

ECOD/Domains/e2a6cB1

e2a6cB1

UID: 000046419

PDB

Range: B:1-69
PDB: 2A6C chain B(all domains)
UniProt: Q82UW4 (all domains)
Gene: NE1354

Molecule: Helix-turn-helix motif

3D Structure

Loading viewer...

Related Domains

Browse other domains in HTH_37 →

Classification

AArchitecturealpha arrays(a.6)

XX-groupHTH(101)

HH-groupHTH(101.1)

TT-grouptetra-helical, lambda repressor-like(101.1.4)

FFamilyHTH_37(101.1.4.20)

Ligands

in contact, ≤ 4 Å

Only buffers and crystallization additives.

+ 2 additives (Citric acid, Glycerin)

Citric acidCIT
DrugBank DB04272
GlycerinGOL
DrugBank DB09462

Shown in the structure viewer. Drug annotations from DrugDomain.

Pfam Families

Helix-turn-helix domain

ClanCL0123HTH

External Links

ECOD PDB View: 2A6C RCSB PDB: 2A6C PDBe: 2A6C UniProt: Q82UW4

Downloads

Download Domain PDB Download Domain FASTA Full PDB Structure