SMTL ID : 2ixp.2 (1 other biounit)

Crystal structure of the Pp2A phosphatase activator Ypa1 PTPA1 in complex with model substrate

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.80 Å

Oligo State

homo-dimer

Ligands

2 x SIN- ALA- ALA- PRO- LYS- NIT: SIN-ALA-ALA-PRO-LYS-NIT(Non-covalent)

SIN-ALA-ALA-PRO-LYS-NIT.1: 13 residues within 4Å: Chain A: T.23, K.297, K.298, F.299, P.300 Chain B: V.201, W.202, P.268, I.269, D.272, I.273, G.286, L.287 9 PLIP interactions: 3 interactions with chain A, 6 interactions with chain B Hydrophobic interactions: A:F.299, B:W.202, B:P.268, B:I.269, B:I.273 Hydrogen bonds: A:T.23, A:F.299, B:D.272, B:D.272 SIN-ALA-ALA-PRO-LYS-NIT.2: 12 residues within 4Å: Chain A: V.201, W.202, P.268, I.269, D.272, I.273, G.286 Chain B: T.23, K.297, K.298, F.299, P.300 11 PLIP interactions: 6 interactions with chain A, 5 interactions with chain B Hydrophobic interactions: A:V.201, A:W.202, A:P.268, A:I.269, A:I.273, B:T.23, B:F.299 Hydrogen bonds: A:D.272, B:K.298, B:F.299 Salt bridges: B:K.298

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

SO4.3: 2 residues within 4Å: Chain A: R.169, A.171 1 PLIP interactions: 1 interactions with chain A Salt bridges: A:R.169 SO4.4: 4 residues within 4Å: Chain B: P.55, D.56, R.169, A.171 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:D.56 Salt bridges: B:R.169

1 x CL: CHLORIDE ION(Non-functional Binders)

CL.5: 2 residues within 4Å: Chain B: M.260, G.261 Ligand excluded by PLIP

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Leulliot, N. et al., Crystal structure of the PP2A phosphatase activator: implications for its PP2A-specific PPIase activity. Mol. Cell (2006)

Release Date

2006-07-31

Peptides

SERINE/THREONINE-PROTEIN PHOSPHATASE 2A ACTIVATOR 1: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

B
D

SERINE/THREONINE-PROTEIN PHOSPHATASE 2A ACTIVATOR 1

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