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

e3v3xB1 - ECOD Domain | ECOD

ECOD/Domains/e3v3xB1

e3v3xB1

UID: 000985435

PDB

Range: B:1-56
PDB: 3V3X chain B(all domains)
UniProt: P19909 (all domains)
Gene: spg

Molecule: Immunoglobulin G-binding protein G

3D Structure

Loading viewer...

Related Domains

Browse other domains in IgG_binding_B →

Classification

AArchitecturea+b two layers(a.11)

XX-groupbeta-Grasp(221)

HH-groupImmunoglobulin-binding domains(221.3)

TT-groupImmunoglobulin-binding domains(221.3.1)

FFamilyIgG_binding_B(221.3.1.1)

Ligands

in contact, ≤ 4 Å

S-[(1-Hydroxy-2,2,5,5-tetramethyl-2,5-dihydro-1H-pyrrol-3-yl)methyl] methanesulfonothioateMTN
drugDrugBank DB08217

+ 3 additives (Acetate, Glycerin, Nonaethylene glycol)

AcetateACT

Pfam Families

PF01378IgG_binding_B

B domain

ClanCL0072Ubiquitin

External Links

ECOD PDB View: 3V3X RCSB PDB: 3V3X PDBe: 3V3X UniProt: P19909

Downloads

Download Domain PDB Download Domain FASTA Full PDB Structure

DrugBank DB14511

GlycerinGOL

DrugBank DB09462

Nonaethylene glycol2PE

Shown in the structure viewer. Drug annotations from DrugDomain.