SMTL ID : 2q7d.2 (3 other biounits)

Crystal Structure of Human Inositol 1,3,4-Trisphosphate 5/6-kinase (ITPK1) in complex with AMPPNP and Mn2+

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.60 Å

Oligo State

monomer

Ligands

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

MN.1: 4 residues within 4Å: Chain A: K.210, D.292, D.306 Ligands: ANP.8 3 PLIP interactions: 2 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:D.292, A:D.306, H2O.4 MN.2: 3 residues within 4Å: Chain A: D.306, N.308 Ligands: ANP.8 4 PLIP interactions: 2 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:D.306, A:D.306, H2O.5, H2O.9

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

SO4.3: 2 residues within 4Å: Chain A: R.274, R.278 6 PLIP interactions: 6 interactions with chain A Water bridges: A:E.271, A:R.274, A:R.278, A:R.278 Salt bridges: A:R.274, A:R.278 SO4.4: 3 residues within 4Å: Chain A: S.269, D.270, E.271 5 PLIP interactions: 5 interactions with chain A Hydrogen bonds: A:D.270, A:D.270, A:E.271 Water bridges: A:R.274, A:R.274 SO4.5: 4 residues within 4Å: Chain A: K.29, K.70, H.173, F.310 5 PLIP interactions: 5 interactions with chain A Water bridges: A:K.70 Salt bridges: A:K.28, A:K.29, A:K.70, A:H.173 SO4.6: 8 residues within 4Å: Chain A: K.210, F.212, R.223, K.248, P.311, G.312, Y.313, E.314 11 PLIP interactions: 11 interactions with chain A Hydrogen bonds: A:G.312, A:Y.313, A:E.314 Water bridges: A:K.32, A:K.210, A:K.210, A:R.223, A:R.223 Salt bridges: A:K.210, A:R.223, A:K.248 SO4.7: 3 residues within 4Å: Chain A: H.6, H.7, H.8 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:H.7, A:H.8 Salt bridges: A:H.6, A:H.8

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

ANP.8: 26 residues within 4Å: Chain A: R.117, I.166, K.168, H.178, M.180, Q.199, N.200, F.201, I.202, H.204, L.208, K.210, S.225, L.226, F.241, S.243, H.244, V.246, S.247, D.292, I.294, I.305, D.306, N.308 Ligands: MN.1, MN.2 16 PLIP interactions: 16 interactions with chain A Hydrogen bonds: A:R.117, A:Y.121, A:K.168, A:Q.199, A:I.202, A:K.210, A:L.226, A:S.243, A:S.243, A:S.247, A:S.247 Water bridges: A:H.244, A:S.247, A:N.308, A:N.308 Salt bridges: A:K.168

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Chamberlain, P.P. et al., Integration of inositol phosphate signaling pathways via human ITPK1. J.Biol.Chem. (2007)

Release Date

2007-07-03

Peptides

Inositol-tetrakisphosphate 1-kinase: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

Inositol-tetrakisphosphate 1-kinase

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