SMTL ID : 1w2c.1 (1 other biounit)

Human Inositol (1,4,5) trisphosphate 3-kinase complexed with Mn2+/AMPPNP/Ins(1,4,5)P3

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.95 Å

Oligo State

monomer

Ligands

1 x ANP: PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER(Non-covalent)

ANP.1: 14 residues within 4Å: Chain A: S.1, F.2, K.13, P.36, Q.53, D.54, L.55, D.66, K.140, L.205, I.219, D.220 Ligands: I3P.2, MN.3 8 PLIP interactions: 8 interactions with chain A Hydrogen bonds: A:S.1, A:K.13, A:Q.53, A:L.55, A:D.66, A:D.66, A:K.140 Salt bridges: A:K.13

1 x I3P: D-MYO-INOSITOL-1,4,5-TRIPHOSPHATE(Non-covalent)

I3P.2: 10 residues within 4Å: Chain A: K.68, R.89, M.92, K.95, K.116, Y.119, M.120, R.123, K.223 Ligands: ANP.1 11 PLIP interactions: 11 interactions with chain A Hydrogen bonds: A:K.68 Water bridges: A:K.116, A:K.116, A:R.135 Salt bridges: A:K.68, A:R.89, A:K.95, A:K.116, A:K.116, A:R.123, A:K.223

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

MN.3: 2 residues within 4Å: Chain A: D.220 Ligands: ANP.1 2 PLIP interactions: 1 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:D.220, H2O.7

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

SO4.4: 3 residues within 4Å: Chain A: R.156, S.261, R.265 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:S.261, A:S.261 Salt bridges: A:R.156, A:R.265 SO4.5: 2 residues within 4Å: Chain A: Q.158, R.161 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:Q.158 Salt bridges: A:R.161

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Gonzalez, B. et al., Structure of a Human Inositol 1,4,5-Trisphosphate 3-Kinase; Substrate Binding Reveals Why It is not a Phosphoinositide 3-Kinase. Mol.Cell (2004)

Release Date

2004-09-09

Peptides

INOSITOL-TRISPHOSPHATE 3-KINASE A: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

INOSITOL-TRISPHOSPHATE 3-KINASE A

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