9U9K image
Deposition Date 2025-03-28
Release Date 2025-11-05
Last Version Date 2025-11-05
Entry Detail
PDB ID:
9U9K
Keywords:
DNA BINDING PROTEIN/DNA
Title:
Cryo-EM structure of hemi-methylated DNA-bound Tetrahymena DNA methyltransferase complex MTA1c (MTA9-B)
Biological Source:
Source Organism:
Tetrahymena thermophila SB210 (Taxon ID: 312017)
synthetic construct (Taxon ID: 32630)
Host Organism:
Escherichia coli
Method Details:
Experimental Method:
ELECTRON MICROSCOPY
Resolution:
2.96 Å
Aggregation State:
PARTICLE
Reconstruction Method:
SINGLE PARTICLE
9U9K validation report
Macromolecular Entities
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:mRNA m(6)A methyltransferase
Gene (Uniprot):TTHERM_00704040
Chain IDs:A
Chain Length:378
Number of Molecules:1
Biological Source:Tetrahymena thermophila SB210
UniProt ID:Q22GC0 Pfam ID:PF05063
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:Methyltransferase MT, putative
Gene (Uniprot):TTHERM_01005150
Chain IDs:B
Chain Length:357
Number of Molecules:1
Biological Source:Tetrahymena thermophila SB210
UniProt ID:Q22XT1
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:Myb-like DNA-binding domain protein
Gene (Uniprot):TTHERM_00161750
Chain IDs:C
Chain Length:364
Number of Molecules:1
Biological Source:Tetrahymena thermophila SB210
UniProt ID:Q22VV9 Pfam ID:PF00249
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:Transmembrane protein, putative
Gene (Uniprot):TTHERM_00439330
Chain IDs:D
Chain Length:146
Number of Molecules:1
Biological Source:Tetrahymena thermophila SB210
UniProt ID:I7M8B9
Polymer Type:polydeoxyribonucleotide
Molecule:DNA (27-MER)
Chain IDs:E
Chain Length:27
Number of Molecules:1
Biological Source:synthetic construct
Polymer Type:polydeoxyribonucleotide
Molecule:DNA (27-MER)
Chain IDs:F
Chain Length:27
Number of Molecules:1
Biological Source:synthetic construct
Ligand Molecules
SAM
Primary Citation
Mechanism for the substrate recognition by a eukaryotic DNA N 6 -adenine methyltransferase complex.
Nat Commun 16 8690 8690 (2025)
PMID: 41027852 DOI: 10.1038/s41467-025-63738-y
Primary Citation of related structures
8XYL