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

e2d2cA1 - ECOD Domain | ECOD

ECOD/Domains/e2d2cA1

e2d2cA1

UID: 000058202

PDB

Range: A:13-214
PDB: 2D2C chain A(all domains)
UniProt: P83791 (all domains)
Gene: petB

Molecule: Cytochrome b6

3D Structure

Loading viewer...

Related Domains

Browse other domains in Cytochrome_B →

Classification

AArchitecturealpha bundles(a.7)

XX-groupTransmembrane heme-binding four-helical bundle(5069)

HH-groupTransmembrane heme-binding four-helical bundle(5069.1)

TT-groupTransmembrane di-heme cytochromes(5069.1.1)

FFamilyCytochrome_B(5069.1.1.1)

Ligands

in contact, ≤ 4 Å

Beta caroteneBCR
drugDrugBank DB06755
DibromothymoquinoneBNT
drugDrugBank DB04646

Pfam Families

PF00033Cytochrome_B

Cytochrome b/b6/petB

ClanCL03282heme_cytochrom

External Links

ECOD PDB View: 2D2C RCSB PDB: 2D2C PDBe: 2D2C UniProt: P83791

Downloads

Download Domain PDB Download Domain FASTA Full PDB Structure

Chlorophyll A

drugDrugBank DB02133

Ferroheme CHEC

drugDrugBank DB03317

FerrohemeHEM

drugDrugBank DB18267within 5 Å only

Shown in the structure viewer. Drug annotations from DrugDomain.