SMTL ID : 4lv7.2 (1 other biounit)

Crystal structure of inositol 1,3,4,5,6-pentakisphosphate 2-kinase E82C/S142C

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.60 Å

Oligo State

monomer

Ligands

1 x IHP: INOSITOL HEXAKISPHOSPHATE(Non-covalent)

IHP.1: 16 residues within 4Å: Chain A: G.53, G.54, A.55, R.164, K.202, K.204, H.230, K.234, N.272, D.402, D.441, K.445, R.449, Y.453 Ligands: ADP.2, MG.3 18 PLIP interactions: 18 interactions with chain A Hydrogen bonds: A:G.54, A:A.55, A:N.272, A:D.402, A:D.402, A:Y.453 Salt bridges: A:R.164, A:K.202, A:K.202, A:K.202, A:K.204, A:K.204, A:H.230, A:K.234, A:K.445, A:K.445, A:R.449, A:R.449

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

ADP.2: 21 residues within 4Å: Chain A: R.50, G.51, E.52, G.53, G.54, A.55, N.56, V.58, V.72, R.74, N.181, D.182, H.183, E.200, R.275, F.277, M.406, I.440, D.441 Ligands: IHP.1, MG.3 10 PLIP interactions: 10 interactions with chain A Hydrogen bonds: A:G.53, A:G.54, A:A.55, A:N.56, A:N.181, A:D.182, A:H.183, A:E.200 Salt bridges: A:R.74, A:R.74

1 x MG: MAGNESIUM ION(Non-covalent)

MG.3: 4 residues within 4Å: Chain A: G.53, D.441 Ligands: IHP.1, ADP.2 No protein-ligand interaction detected (PLIP)

1 x ZN: ZINC ION(Non-covalent)

ZN.4: 4 residues within 4Å: Chain A: H.354, C.364, C.367, H.380 4 PLIP interactions: 4 interactions with chain A Metal complexes: A:H.354, A:C.364, A:C.367, A:H.380

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Gosein, V. et al., Conformational stability of inositol 1,3,4,5,6-pentakisphosphate 2-kinase (IPK1) dictates its substrate selectivity. J. Biol. Chem. (2013)

Release Date

2013-11-06

Peptides

Inositol-pentakisphosphate 2-kinase: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

Inositol-pentakisphosphate 2-kinase

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