28TH image
Deposition Date 2026-02-18
Release Date 2026-11-11
Last Version Date 2026-11-11
Entry Detail
PDB ID:
28TH
Keywords:
TRANSFERASE
Title:
Two TraI relaxases in their asymmetric homodimer state in complex with fork DNA (TraI-AHD)
Biological Source:
Source Organism(s):
Escherichia coli K-12 (Taxon ID: 83333)
Escherichia coli (Taxon ID: 562)
Expression System(s):
Escherichia coli bl21(de3)
Method Details:
Experimental Method:
ELECTRON MICROSCOPY
Resolution:
3.67 Å
Aggregation State:
PARTICLE
Reconstruction Method:
SINGLE PARTICLE
28TH validation report missing
Macromolecular Entities
Structures with similar UniProt ID
Structural Superimposition Protein Blast
Polymer Type:polypeptide(L)
Molecule:Multifunctional conjugation p
Gene (Uniprot):traI
Chain IDs:A
Chain Length:1446
Number of Molecules:1
Biological Source:Escherichia coli K-12
UniProt ID:Q6TDU5 EC:5.6.2.-,5.6.2.3
Polymer Type:polydeoxyribonucleotide
Molecule:DNA (38-MER)
Chain IDs:B
Chain Length:65
Number of Molecules:1
Biological Source:Escherichia coli K-12
Polymer Type:polydeoxyribonucleotide
Molecule:DNA (5'-D(P*AP*GP*GP*AP*TP*GP
Chain IDs:C
Chain Length:32
Number of Molecules:1
Biological Source:Escherichia coli
Structures with similar UniProt ID
Structural Superimposition Protein Blast
Polymer Type:polypeptide(L)
Molecule:Multifunctional conjugation p
Gene (Uniprot):traI
Chain IDs:D
Chain Length:310
Number of Molecules:1
Biological Source:Escherichia coli
UniProt ID:Q6TDU5 EC:5.6.2.-,5.6.2.3
Ligand Molecules
MG
Primary Citation
Relaxase asymmetry drives initiation of bacterial conjugation
Nat Commun ? ? ? (2026)
DOI: 10.1038/s41467-026-78888-w
Primary Citation of related structures
28TH
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