SMTL ID : 6b67.1 (2 other biounits)

Human PP2Calpha (PPM1A) complexed with cyclic peptide c(MpSIpYVA)

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.20 Å

Oligo State

monomer

Ligands

1 x MET- SEP- ILE- PTR- VAL- ALA- 48V: cyclic peptide c(MpSIpYVA)(Non-covalent)

MET-SEP-ILE-PTR-VAL-ALA-48V.1: 14 residues within 4Å: Chain A: G.1, A.2, R.32, D.59, G.60, H.61, A.62, R.185, S.189, L.190, A.191, R.280, D.281 Ligands: CA.2 13 PLIP interactions: 13 interactions with chain A Hydrophobic interactions: A:A.2, A:A.62, A:L.190 Hydrogen bonds: A:R.185, A:R.185, A:A.191, A:R.280 Water bridges: A:R.32, A:D.59, A:D.59, A:G.60, A:A.62 Salt bridges: A:R.32

4 x CA: CALCIUM ION(Non-covalent)

CA.2: 3 residues within 4Å: Chain A: D.59, G.60 Ligands: MET-SEP-ILE-PTR-VAL-ALA-48V.1 5 PLIP interactions: 2 interactions with chain A, 3 Ligand-Water interactions Metal complexes: A:D.59, A:G.60, H2O.1, H2O.1, H2O.9 CA.3: 3 residues within 4Å: Chain A: D.59, D.238, D.281 5 PLIP interactions: 2 interactions with chain A, 3 Ligand-Water interactions Metal complexes: A:D.59, A:D.238, H2O.1, H2O.3, H2O.5 CA.4: 3 residues within 4Å: Chain A: E.145, D.238, D.242 5 PLIP interactions: 2 interactions with chain A, 3 Ligand-Water interactions Metal complexes: A:D.238, A:D.242, H2O.7, H2O.8, H2O.9 CA.5: 1 residues within 4Å: Chain A: E.264 3 PLIP interactions: 1 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:E.264, H2O.1, H2O.7

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Debnath, S. et al., A trapped human PPM1A-phosphopeptide complex reveals structural features critical for regulation of PPM protein phosphatase activity. J. Biol. Chem. (2018)

Release Date

2018-04-11

Peptides

Protein phosphatase 1A: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Protein phosphatase 1A

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