SMTL ID : 3gdh.2 (2 other biounits)

Methyltransferase domain of human Trimethylguanosine Synthase 1 (TGS1) bound to m7GTP and adenosyl-homocysteine (active form)

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.00 Å

Oligo State

monomer

Ligands

1 x MGP: 7-METHYL-GUANOSINE-5'-TRIPHOSPHATE(Non-covalent)

MGP.1: 19 residues within 4Å: Chain A: K.34, Y.35, F.58, S.59, V.60, T.61, P.62, S.151, P.152, P.153, W.154, G.155, G.156, Y.159, F.192, R.195, K.224, T.225 Ligands: PGR.3 23 PLIP interactions: 23 interactions with chain A Hydrogen bonds: A:Y.35, A:V.60, A:S.151, A:P.152, A:W.154, A:G.155 Water bridges: A:S.59, A:S.59, A:G.156 Salt bridges: A:K.34, A:K.34, A:K.34, A:R.195, A:R.195, A:R.195, A:K.222, A:K.224, A:K.224 pi-Stacking: A:W.154, A:W.154, A:W.154 pi-Cation interactions: A:W.154, A:W.154

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

SAH.2: 22 residues within 4Å: Chain A: E.55, S.59, V.60, T.61, A.85, F.86, C.87, G.88, V.89, G.90, G.91, N.92, D.107, I.108, D.109, K.112, G.134, D.135, F.136, S.151, P.152, P.153 15 PLIP interactions: 15 interactions with chain A Hydrogen bonds: A:T.61, A:T.61, A:G.88, A:V.89, A:G.90, A:G.91, A:N.92, A:N.92, A:I.108, A:D.135, A:F.136, A:S.151, A:S.151 Water bridges: A:E.55, A:E.55

1 x PGR: R-1,2-PROPANEDIOL(Non-covalent)

PGR.3: 6 residues within 4Å: Chain A: K.34, Y.35, Q.38, L.42, K.224 Ligands: MGP.1 4 PLIP interactions: 4 interactions with chain A Hydrophobic interactions: A:Q.38, A:L.42 Hydrogen bonds: A:Q.38, A:K.224

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Monecke, T. et al., Structural basis for m7G-cap hypermethylation of small nuclear, small nucleolar and telomerase RNA by the dimethyltransferase TGS1. Nucleic Acids Res. (2009)

Release Date

2009-06-23

Peptides

Trimethylguanosine synthase homolog: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

Trimethylguanosine synthase homolog

Related Entries With Identical Sequence