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

e1h4xA1 - ECOD Domain | ECOD

ECOD/Domains/e1h4xA1

e1h4xA1

UID: 000011462

RepresentativePDB

Range: A:2-112
PDB: 1H4X chain A(all domains)
UniProt: O32723 (all domains)
Gene: spoIIAA

Molecule: ANTI-SIGMA F FACTOR ANTAGONIST

3D Structure

Loading viewer...

Related Domains

Browse other domains in STAS →

Classification

AArchitecturea/b three-layered sandwiches(a.17)

XX-groupSpoIIaa-like(2496)

HH-groupSpoIIaa-like(2496.1)

TT-groupSpoIIaa-like(2496.1.1)

FFamilySTAS(2496.1.1.2)

Ligands

in contact, ≤ 4 Å

Only buffers and crystallization additives.

+ 1 additive (Tromethamine)

TromethamineTRS
DrugBank DB03754

Shown in the structure viewer. Drug annotations from DrugDomain.

Pfam Families

STAS domain

ClanCL0502STAS

External Links

ECOD PDB View: 1H4X RCSB PDB: 1H4X PDBe: 1H4X UniProt: O32723

Downloads

Download Domain PDB Download Domain FASTA Full PDB Structure