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

e7sa3I1 - ECOD Domain | ECOD

ECOD/Domains/e7sa3I1

e7sa3I1

UID: 002807011

PDB

Range: I:1-27
PDB: 7SA3 chain I(all domains)

Molecule: Photosystem II reaction center protein I

3D Structure

Loading viewer...

Related Domains

Browse other domains in PsbI →

Classification

AArchitectureextended segments(a.20)

XX-groupPhotosystem II reaction center protein I, PsbI(5035)

HH-groupPhotosystem II reaction center protein I, PsbI(5035.1)

TT-groupPhotosystem II reaction center protein I, PsbI(5035.1.1)

FFamilyPsbI(5035.1.1.1)

Ligands

in contact, ≤ 4 Å

Beta caroteneBCR
drugDrugBank DB06755
Chlorophyll ACLA
drugDrugBank DB02133

Shown in the structure viewer. Drug annotations from .

Pfam Families

Photosystem II reaction centre I protein (PSII 4.8 kDa protein)

External Links

ECOD PDB View: 7SA3 RCSB PDB: 7SA3 PDBe: 7SA3

Downloads

Download Domain PDB Download Domain FASTA Full PDB Structure