SMTL ID : 7tn8.1

Crystal structure of Zea mays Inositol-tetrakisphosphate Kinase 1 mutant (ZmITPK1-H192A) in complex with InsP6

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.60 Å

Oligo State

homo-dimer

Ligands

2 x IHP: INOSITOL HEXAKISPHOSPHATE(Non-covalent)

IHP.1: 11 residues within 4Å: Chain A: K.70, A.163, K.164, K.167, K.198, Y.200, R.211, N.280, P.302, G.303, K.306 20 PLIP interactions: 20 interactions with chain A Hydrogen bonds: A:Y.200, A:N.280, A:G.303 Water bridges: A:K.70, A:K.70, A:K.70, A:K.70, A:K.70, A:K.306, A:K.306 Salt bridges: A:K.70, A:K.164, A:K.167, A:K.198, A:K.198, A:K.198, A:R.211, A:K.306, A:K.306, A:K.306 IHP.3: 11 residues within 4Å: Chain B: K.70, A.163, K.164, K.167, K.198, Y.200, R.211, N.280, P.302, G.303, K.306 19 PLIP interactions: 19 interactions with chain B Hydrogen bonds: B:N.280, B:G.303 Water bridges: B:K.70, B:K.70, B:K.70, B:K.70, B:K.70, B:K.306, B:K.306 Salt bridges: B:K.70, B:K.164, B:K.167, B:K.198, B:K.198, B:K.198, B:R.211, B:K.306, B:K.306, B:K.306

2 x CL: CHLORIDE ION(Non-functional Binders)

CL.2: 6 residues within 4Å: Chain A: K.29, S.32, F.33, G.303, Y.304, A.305 Ligand excluded by PLIP CL.4: 6 residues within 4Å: Chain B: K.29, S.32, F.33, G.303, Y.304, A.305 Ligand excluded by PLIP

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Zong, G. et al., Structural and catalytic analyses of the InsP 6 kinase activities of higher plant ITPKs. Faseb J. (2022)

Release Date

2022-06-15

Peptides

Inositol-tetrakisphosphate 1-kinase 1: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

Inositol-tetrakisphosphate 1-kinase 1

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