SMTL ID : 9chi.1 (1 other biounit)

Structure of the alpha-N-methyltransferase (SonM) and RiPP precursor (SonA-Y62A) heteromeric complex (bound to SAH - structure 2)

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.20 Å

Oligo State

hetero-2-2-mer

Ligands

2 x SAH: S-ADENOSYL-L-HOMOCYSTEINE(Non-covalent)

SAH.1: 19 residues within 4Å: Chain A: L.10, Y.92, G.93, H.94, V.97, F.98, S.123, A.124, W.165, Q.166, Y.205, E.206, A.207, P.232, I.233, S.234, T.235 Chain B: L.61, I.63 8 PLIP interactions: 8 interactions with chain A Hydrogen bonds: A:H.94, A:V.97, A:A.124, A:Q.166, A:A.207, A:A.207, A:S.234 Water bridges: A:S.234 SAH.2: 19 residues within 4Å: Chain C: L.10, Y.92, G.93, H.94, V.97, F.98, S.123, A.124, W.165, Q.166, Y.205, E.206, A.207, N.209, P.232, I.233, S.234, T.235 Chain D: S.64 9 PLIP interactions: 9 interactions with chain C Hydrogen bonds: C:H.94, C:V.97, C:A.124, C:Q.166, C:A.207, C:A.207, C:S.234 Water bridges: C:A.168, C:N.209

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Crone, K.K. et al., alpha-N-Methyltransferase regiospecificity is mediated by proximal, redundant enzyme-substrate interactions. Protein Sci. (2025)

Release Date

2025-01-29

Peptides

Alpha-N-methyltransferase: AC
SonA: BD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

C
C

B
B

D
D

Alpha-N-methyltransferase

SonA

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