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

e3n97D1 - ECOD Domain | ECOD

ECOD/Domains/e3n97D1

e3n97D1

UID: 000421227

PDB

Range: D:375-424
PDB: 3N97 chain D(all domains)
UniProt: Q9EZJ8 (all domains)
Gene: sigA

Molecule: RNA polymerase sigma factor SigA

3D Structure

Loading viewer...

Related Domains

Browse other domains in Sigma70_r4 →

Classification

AArchitecturealpha arrays(a.6)

XX-groupHTH(101)

HH-groupHTH(101.1)

TT-groupThree-helical HTH(101.1.1)

FFamilySigma70_r4(101.1.1.31)

Pfam Families

PF04545Sigma70_r4

Sigma-70, region 4

ClanCL0123HTH

External Links

ECOD PDB View: 3N97 RCSB PDB: 3N97 PDBe: 3N97 UniProt: Q9EZJ8

Downloads

Download Domain PDB Download Domain FASTA Full PDB Structure