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

Resources

Grishin Lab
UT Southwestern
RCSB PDB
AlphaFold DB
ecod.database@gmail.com

© 2014-2026 Grishin Lab / HHMI / UTSW

e2ahqA1 - ECOD Domain | ECOD

ECOD/Domains/e2ahqA1

e2ahqA1

UID: 000189426

RepresentativePDB

Range: A:1-67
PDB: 2AHQ chain A(all domains)
UniProt: O66858 (all domains)
Gene: rpoN

Molecule: RNA polymerase sigma factor RpoN

3D Structure

Loading viewer...

Related Domains

Browse other domains in Sigma54_DBD →

Classification

AArchitecturealpha arrays(a.6)

XX-groupHTH(101)

HH-groupHTH(101.1)

TT-groupwinged helix domain(101.1.2)

FFamilySigma54_DBD(101.1.2.62)

Pfam Families

PF04552Sigma54_DBD

Sigma-54, DNA binding domain

ClanCL0123HTH

External Links

ECOD PDB View: 2AHQ RCSB PDB: 2AHQ PDBe: 2AHQ UniProt: O66858

Downloads

Download Domain PDB Download Domain FASTA Full PDB Structure