SMTL ID : 1zgj.1

Crystal structure of isoflavanone 4'-O-methyltransferase complexed with (+)-pisatin

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.50 Å

Oligo State

homo-dimer

Ligands

2 x P1S: (6AR,12AR)-3-(HYDROXYMETHYL)-6H-[1,3]DIOXOLO[5,6][1]BENZOFURO[3,2-C]CHROMEN-6A(12AH)-OL(Non-covalent)

P1S.1: 13 residues within 4Å: Chain A: G.115, A.116, S.120, S.121, F.149, M.164, F.165, M.169, Y.308, M.312, M.315, F.316 Chain B: Y.15 3 PLIP interactions: 1 interactions with chain B, 2 interactions with chain A Hydrogen bonds: B:Y.15, A:Y.308 Hydrophobic interactions: A:F.165 P1S.3: 13 residues within 4Å: Chain A: Y.15 Chain B: G.115, A.116, S.120, S.121, F.149, M.164, F.165, M.169, Y.308, M.312, M.315, F.316 3 PLIP interactions: 2 interactions with chain A, 1 interactions with chain B Hydrogen bonds: A:Y.15, A:Y.15 Hydrophobic interactions: B:F.165

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

SAH.2: 13 residues within 4Å: Chain A: V.196, G.197, V.203, D.220, Q.221, V.224, G.239, D.240, M.241, F.242, K.254, W.255, V.256 8 PLIP interactions: 8 interactions with chain A Hydrogen bonds: A:G.197, A:G.199, A:Q.221, A:D.240, A:M.241, A:K.254 Water bridges: A:D.195 Salt bridges: A:K.254 SAH.4: 13 residues within 4Å: Chain B: V.196, G.197, V.203, D.220, Q.221, V.224, G.239, D.240, M.241, F.242, K.254, W.255, V.256 8 PLIP interactions: 8 interactions with chain B Hydrogen bonds: B:G.197, B:G.199, B:Q.221, B:D.240, B:M.241, B:K.254 Water bridges: B:K.254 Salt bridges: B:K.254

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Liu, C.J. et al., Structural basis for dual functionality of isoflavonoid O-methyltransferases in the evolution of plant defense responses. Plant Cell (2006)

Release Date

2006-08-01

Peptides

Isoflavanone 4'-O-methyltransferase': AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

Isoflavanone 4'-O-methyltransferase'