SMTL ID : 2aqx.1

Crystal Structure of the Catalytic and CaM-Binding domains of Inositol 1,4,5-Trisphosphate 3-Kinase B

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.50 Å

Oligo State

homo-dimer

Ligands

4 x MG: MAGNESIUM ION(Non-covalent)

MG.1: 5 residues within 4Å: Chain A: G.225, S.227, D.244 Ligands: MG.2, ATP.3 2 PLIP interactions: 1 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:D.244, H2O.2 MG.2: 4 residues within 4Å: Chain A: D.244, K.247 Ligands: MG.1, ATP.3 2 PLIP interactions: 2 interactions with chain A Metal complexes: A:D.244, A:D.244 MG.4: 5 residues within 4Å: Chain B: K.92, G.225, S.227, D.244 Ligands: ATP.6 1 PLIP interactions: 1 interactions with chain B Metal complexes: B:D.244 MG.5: 2 residues within 4Å: Chain B: D.244 Ligands: ATP.6 2 PLIP interactions: 2 interactions with chain B Metal complexes: B:D.244, B:D.244

2 x ATP: ADENOSINE-5'-TRIPHOSPHATE(Non-covalent)

ATP.3: 22 residues within 4Å: Chain A: W.17, I.18, Q.19, L.20, A.21, G.22, F.27, K.37, P.60, M.76, D.77, D.78, L.79, L.80, D.90, K.92, L.229, I.243, D.244, K.247 Ligands: MG.1, MG.2 13 PLIP interactions: 13 interactions with chain A Hydrogen bonds: A:L.20, A:A.21, A:G.22, A:D.77, A:L.79, A:D.90 Water bridges: A:S.26, A:S.227, A:D.244 Salt bridges: A:K.37, A:K.37, A:K.92, A:K.247 ATP.6: 20 residues within 4Å: Chain B: W.17, I.18, Q.19, L.20, A.21, G.22, F.27, K.37, P.60, M.76, D.77, D.78, L.79, D.90, K.92, L.229, I.243, D.244 Ligands: MG.4, MG.5 13 PLIP interactions: 13 interactions with chain B Hydrogen bonds: B:L.20, B:A.21, B:G.22, B:S.26, B:D.77, B:D.78, B:L.79, B:D.244 Water bridges: B:K.37, B:D.244 Salt bridges: B:K.37, B:K.37, B:K.92

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Chamberlain, P.P. et al., Structural insights into enzyme regulation for inositol 1,4,5-trisphosphate 3-kinase B. Biochemistry (2005)

Release Date

2005-12-06

Peptides

PREDICTED: inositol 1,4,5-trisphosphate 3-kinase B: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

PREDICTED: inositol 1,4,5-trisphosphate 3-kinase B