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

e2xctB9 - ECOD Domain | ECOD

ECOD/Domains/e2xctB9

e2xctB9

UID: 001262182

PDB

Range: B:638-1143
PDB: 2XCT chain B(all domains)
UniProt: P20831 (all domains)
Gene: gyrA

Molecule: DNA GYRASE SUBUNIT B, DNA GYRASE SUBUNIT A

3D Structure

Loading viewer...

Related Domains

Browse other domains in DNA_topoisoIV →

Classification

AArchitecturealpha arrays(a.6)

XX-groupHTH(101)

HH-groupHTH(101.1)

TT-groupwinged helix domain(101.1.2)

FFamilyDNA_topoisoIV(101.1.2.9)

Ligands

in contact, ≤ 4 Å

CiprofloxacinCPF
drugDrugBank DB00537
MANGANESE (II) IONMN
metalwithin 5 Å only

Shown in the structure viewer.

Pfam Families

PF00521DNA_topoisoIV

DNA gyrase/topoisomerase IV, subunit A

External Links

ECOD PDB View: 2XCT RCSB PDB: 2XCT PDBe: 2XCT UniProt: P20831

Downloads

Download Domain PDB Download Domain FASTA Full PDB Structure

Drug annotations from DrugDomain.