SMTL ID : 1w2d.1 (1 other biounit)

Human Inositol (1,4,5)-trisphosphate 3-kinase complexed with Mn2+/ADP/Ins(1,3,4,5)P4

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.94 Å

Oligo State

monomer

Ligands

1 x ADP: ADENOSINE-5'-DIPHOSPHATE(Non-covalent)

ADP.1: 14 residues within 4Å: Chain A: S.1, F.2, I.11, K.13, P.36, Q.53, D.54, L.55, D.66, K.140, L.205, I.219, D.220 Ligands: MN.3 11 PLIP interactions: 11 interactions with chain A Hydrogen bonds: A:S.1, A:Q.53, A:D.54, A:L.55, A:D.66, A:D.66, A:K.140, A:D.220 Water bridges: A:K.13 Salt bridges: A:K.13, A:K.13

1 x 4IP: INOSITOL-(1,3,4,5)-TETRAKISPHOSPHATE(Non-covalent)

4IP.2: 11 residues within 4Å: Chain A: K.68, R.89, M.92, K.95, K.116, Y.119, M.120, R.123, D.220, K.223 Ligands: MN.3 13 PLIP interactions: 13 interactions with chain A Water bridges: A:K.68, A:K.68, A:K.68, A:R.135, A:E.137, A:E.137 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: 3 residues within 4Å: Chain A: D.220 Ligands: ADP.1, 4IP.2 2 PLIP interactions: 1 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:D.220, H2O.5

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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