SMTL ID : 3k7w.1

Protein phosphatase 2A core complex bound to dinophysistoxin-2

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.96 Å

Oligo State

hetero-1-1-mer

Ligands

3 x SO4: SULFATE ION(Non-functional Binders)

SO4.1: 5 residues within 4Å: Chain A: P.532, V.533, A.534, R.537 Chain B: R.49 5 PLIP interactions: 4 interactions with chain A, 1 interactions with chain B Hydrogen bonds: A:P.532 Water bridges: A:A.534, A:A.534 Salt bridges: A:R.537, B:R.49 SO4.5: 7 residues within 4Å: Chain B: G.60, Q.61, F.62, H.63, D.64, Y.92, Y.267 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:H.63, B:D.64, B:D.64 Salt bridges: B:H.63 SO4.6: 3 residues within 4Å: Chain B: R.89, R.268 Ligands: XT2.2 2 PLIP interactions: 2 interactions with chain B Salt bridges: B:R.89, B:R.268

1 x XT2: (2R)-2-hydroxy-3-[(2S,5R,6R,8S)-5-hydroxy-8-{(1R,2E)-3-[(2R,4a'R,5R,6'S,8'R,8a'S)-8'-hydroxy-6'-{(1S,3S)-1-hydroxy-3-[( 2S,6R,11S)-11-methyl-1,7-dioxaspiro[5.5]undec-2-yl]butyl}-7'-methylideneoctahydro-3H,3'H-spiro[furan-2,2'-pyrano[3,2-b]p yran]-5-yl]-1-methylprop-2-en-1-yl}-10-methyl-1,7-dioxaspiro[5.5]undec-10-en-2-yl]-2-methylpropanoic acid(Non-covalent)

XT2.2: 14 residues within 4Å: Chain B: R.89, H.118, Q.122, I.123, Y.127, H.191, W.200, P.213, R.214, L.243, Y.265, C.266, C.269 Ligands: SO4.6 11 PLIP interactions: 11 interactions with chain B Hydrophobic interactions: B:I.123, B:Y.127, B:Y.127, B:H.191, B:L.243 Hydrogen bonds: B:R.89, B:R.214, B:Y.265, B:Y.265 Water bridges: B:N.117 Salt bridges: B:R.214

2 x MN: MANGANESE (II) ION(Non-covalent)

MN.3: 6 residues within 4Å: Chain B: D.57, D.85, N.117, H.167, H.241 Ligands: MN.4 3 PLIP interactions: 3 interactions with chain B Metal complexes: B:D.85, B:H.167, B:H.241 MN.4: 4 residues within 4Å: Chain B: D.57, H.59, D.85 Ligands: MN.3 3 PLIP interactions: 3 interactions with chain B Metal complexes: B:D.57, B:H.59, B:D.85

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Huhn, J. et al., A structural basis for the reduced toxicity of dinophysistoxin-2. Chem.Res.Toxicol. (2009)

Release Date

2009-11-03

Peptides

Serine/threonine-protein phosphatase 2A 65 kDa regulatory subunit A alpha isoform: A
Serine/threonine-protein phosphatase 2A catalytic subunit alpha isoform: B

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
C

Serine/threonine-protein phosphatase 2A 65 kDa regulatory subunit A alpha isoform

Serine/threonine-protein phosphatase 2A catalytic subunit alpha isoform

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