SMTL ID : 8xyq.1

Cryo-EM structure of SAM-bound Tetrahymena DNA methyltransferase complex MTA1c

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

hetero-1-1-1-1-mer

Ligands

1 x SAM: S-ADENOSYLMETHIONINE(Non-covalent)

SAM.1: 18 residues within 4Å: Chain A: D.188, V.189, D.215, P.216, P.217, D.234, L.236, S.338, Q.339, K.340, F.361, A.362, R.363, N.365, N.366, G.375, N.376, E.377 14 PLIP interactions: 14 interactions with chain A Hydrophobic interactions: A:R.363 Hydrogen bonds: A:D.188, A:V.189, A:D.215, A:K.340, A:K.340, A:R.363, A:N.365, A:N.366, A:N.376, A:E.377, A:E.377 Salt bridges: A:R.363 pi-Stacking: A:F.361

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Xu, Q. et al., Mechanism for the substrate recognition by a eukaryotic DNA N 6 -adenine methyltransferase complex. Nat Commun (2025)

Release Date

2025-07-23

Peptides

MT-a70 family protein: A
Methyltransferase MT, putative: B
Myb-like DNA-binding domain protein: C
Transmembrane protein, putative: D

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

D
D

MT-a70 family protein

Methyltransferase MT, putative

Myb-like DNA-binding domain protein

Transmembrane protein, putative

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