9NNH image
Deposition Date 2025-03-05
Release Date 2025-10-08
Last Version Date 2025-11-05
Entry Detail
PDB ID:
9NNH
Keywords:
DNA-RNA HYBRID
Title:
Cryo-EM structure of the Retron Ec78 complex, PtuA:PtuB:RT (4:2:2)
Biological Source:
Source Organism:
Escherichia coli (Taxon ID: 562)
Host Organism:
Escherichia coli
Method Details:
Experimental Method:
ELECTRON MICROSCOPY
Resolution:
2.69 Å
Aggregation State:
PARTICLE
Reconstruction Method:
SINGLE PARTICLE
9NNH validation report
Macromolecular Entities
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:Retron I-A Ec78 reverse transcriptase
Gene (Uniprot):NCTC8603_01325
Chain IDs:F (auth: B), G (auth: A)
Chain Length:311
Number of Molecules:2
Biological Source:Escherichia coli
UniProt ID:A0AB38GW94
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:Retron I-A effector PtuA
Gene (Uniprot):Ga0100609_101823
Chain IDs:A (auth: C), B (auth: D), C (auth: E), D (auth: F)
Chain Length:550
Number of Molecules:4
Biological Source:Escherichia coli
UniProt ID:P0DV91 Pfam ID:PF13304
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:Retron I-A effector PtuB
Gene (Uniprot):Ga0100609_101824
Chain IDs:E (auth: J), H (auth: K)
Chain Length:232
Number of Molecules:2
Biological Source:Escherichia coli
UniProt ID:P0DV92
Polymer Type:polyribonucleotide
Molecule:RNA (41-MER)
Chain IDs:J (auth: L), K (auth: X)
Chain Length:67
Number of Molecules:2
Biological Source:Escherichia coli
Polymer Type:polydeoxyribonucleotide
Molecule:DNA (73-MER)
Chain IDs:I (auth: N), L (auth: M)
Chain Length:78
Number of Molecules:2
Biological Source:Escherichia coli
Ligand Molecules
ADP
Primary Citation
Structural basis for retron co-option of anti-phage ATPase-nuclease
Nat.Struct.Mol.Biol. ? ? ? (2025)
DOI: 10.1038/s41594-025-01702-6
Primary Citation of related structures
9NNH