ISDA: 9OM4

Deposition Date 2025-05-13

Release Date 2025-10-22

Last Version Date 2025-10-22

Entry Detail

PDB ID:

9OM4

Keywords:

IMMUNE SYSTEM/DNA/RNA

Title:

Cryo-EM structure of filament form Acidithiobacillus caldus (Aca) short prokaryotic argonautes, HNH-associated (SPARHA) with gRNA and tDNA

Biological Source:

Source Organism(s):

Acidithiobacillus caldus (Taxon ID: 33059)

Expression System(s):

Escherichia coli bl21(de3)

Method Details:

Experimental Method:

ELECTRON MICROSCOPY

Resolution:

3.38 Å

Aggregation State:

FILAMENT

Reconstruction Method:

SINGLE PARTICLE

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Macromolecular Entities

Polymer Type:polypeptide(L)
Molecule:HNH endonuclease
Chain IDs:A, E, I, M
Chain Length:435
Number of Molecules:4
Biological Source:Acidithiobacillus caldus

Structures with similar UniProt ID

Protein Blast

Polymer Type:polypeptide(L)
Molecule:Prokaryotic argonaute MID-PIWI family protein
Chain IDs:B, F, J, N
Chain Length:471
Number of Molecules:4
Biological Source:Acidithiobacillus caldus

UniProt ID:A0A5B9QQE2

Polymer Type:polyribonucleotide
Molecule:RNA (5'-R(P*AP*UP*UP*UP*GP*GP*UP*UP*GP*CP*GP*GP*UP*GP*CP*UP*CP*U)-3')
Chain IDs:C, G, K, O
Chain Length:18
Number of Molecules:4
Biological Source:Acidithiobacillus caldus

Polymer Type:polydeoxyribonucleotide
Molecule:DNA (5'-D(*AP*GP*AP*GP*CP*AP*CP*CP*GP*CP*AP*AP*CP*CP*AP*AP*AP*T)-3')
Chain IDs:D, H, L, P
Chain Length:18
Number of Molecules:4
Biological Source:Acidithiobacillus caldus

Ligand Molecules

Primary Citation

Target-induced Argonaute-HNH filaments confer bacterial immunity

Murakami, K.S, Narwal, M, Kanevskaya, A, Kulbachinskiy, A.Show

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Primary Citation of related structures

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