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- PDB-6gfg: Inositol 1,3,4,5,6-pentakisphosphate 2-kinase from A. thaliana in... -

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Basic information

Entry
Database: PDB / ID: 6gfg
TitleInositol 1,3,4,5,6-pentakisphosphate 2-kinase from A. thaliana in complex with D-chiro-IP6 and ADP
ComponentsInositol-pentakisphosphate 2-kinase
KeywordsTRANSFERASE / IPK1 / MYO-IP5
Function / homology
Function and homology information


inositol-1,4,5,6-tetrakisphosphate 2-kinase activity / inositol-1,3,4,6-tetrakisphosphate 2-kinase activity / inositol-pentakisphosphate 2-kinase / inositol-1,3,4,5,6-pentakisphosphate 2-kinase activity / myo-inositol hexakisphosphate biosynthetic process / lateral root development / phosphate ion homeostasis / intracellular phosphate ion homeostasis / defense response to fungus / defense response to virus ...inositol-1,4,5,6-tetrakisphosphate 2-kinase activity / inositol-1,3,4,6-tetrakisphosphate 2-kinase activity / inositol-pentakisphosphate 2-kinase / inositol-1,3,4,5,6-pentakisphosphate 2-kinase activity / myo-inositol hexakisphosphate biosynthetic process / lateral root development / phosphate ion homeostasis / intracellular phosphate ion homeostasis / defense response to fungus / defense response to virus / defense response to bacterium / ATP binding / metal ion binding / nucleus / cytoplasm
Similarity search - Function
Inositol-pentakisphosphate 2-kinase, N-lobe / Inositol-pentakisphosphate 2-kinase / Inositol-pentakisphosphate 2-kinase, N-terminal lobe / Inositol-pentakisphosphate 2-kinase / Phosphorylase Kinase; domain 1 / 2-Layer Sandwich / Alpha Beta
Similarity search - Domain/homology
ADENOSINE-5'-DIPHOSPHATE / D-chiro inositol hexakisphosphate / Inositol-pentakisphosphate 2-kinase / Inositol-pentakisphosphate 2-kinase
Similarity search - Component
Biological speciesArabidopsis thaliana (thale cress)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 3 Å
AuthorsWhitfield, H.L. / Brearley, C.A. / Hemmings, A.M.
CitationJournal: J. Med. Chem. / Year: 2018
Title: A Fluorescent Probe Identifies Active Site Ligands of Inositol Pentakisphosphate 2-Kinase.
Authors: Whitfield, H. / Gilmartin, M. / Baker, K. / Riley, A.M. / Godage, H.Y. / Potter, B.V.L. / Hemmings, A.M. / Brearley, C.A.
History
DepositionApr 30, 2018Deposition site: PDBE / Processing site: PDBE
Revision 1.0Sep 12, 2018Provider: repository / Type: Initial release
Revision 1.1Oct 31, 2018Group: Data collection / Database references / Category: citation / citation_author
Item: _citation.journal_volume / _citation.page_first ..._citation.journal_volume / _citation.page_first / _citation.page_last / _citation_author.identifier_ORCID
Revision 1.2Jan 17, 2024Group: Data collection / Database references ...Data collection / Database references / Derived calculations / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_initial_refinement_model / pdbx_struct_conn_angle / struct_conn
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _pdbx_struct_conn_angle.ptnr1_auth_comp_id / _pdbx_struct_conn_angle.ptnr1_auth_seq_id / _pdbx_struct_conn_angle.ptnr1_label_asym_id / _pdbx_struct_conn_angle.ptnr1_label_atom_id / _pdbx_struct_conn_angle.ptnr1_label_comp_id / _pdbx_struct_conn_angle.ptnr1_label_seq_id / _pdbx_struct_conn_angle.ptnr2_auth_seq_id / _pdbx_struct_conn_angle.ptnr2_label_asym_id / _pdbx_struct_conn_angle.ptnr3_auth_comp_id / _pdbx_struct_conn_angle.ptnr3_auth_seq_id / _pdbx_struct_conn_angle.ptnr3_label_asym_id / _pdbx_struct_conn_angle.ptnr3_label_atom_id / _pdbx_struct_conn_angle.ptnr3_label_comp_id / _pdbx_struct_conn_angle.ptnr3_label_seq_id / _pdbx_struct_conn_angle.value / _struct_conn.pdbx_dist_value / _struct_conn.ptnr1_auth_asym_id / _struct_conn.ptnr1_auth_comp_id / _struct_conn.ptnr1_auth_seq_id / _struct_conn.ptnr1_label_asym_id / _struct_conn.ptnr1_label_atom_id / _struct_conn.ptnr1_label_comp_id / _struct_conn.ptnr1_label_seq_id / _struct_conn.ptnr2_auth_asym_id / _struct_conn.ptnr2_auth_comp_id / _struct_conn.ptnr2_auth_seq_id / _struct_conn.ptnr2_label_asym_id / _struct_conn.ptnr2_label_atom_id / _struct_conn.ptnr2_label_comp_id

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
B: Inositol-pentakisphosphate 2-kinase
A: Inositol-pentakisphosphate 2-kinase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)108,13012
Polymers105,7282
Non-polymers2,40310
Water00
1
B: Inositol-pentakisphosphate 2-kinase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)54,0656
Polymers52,8641
Non-polymers1,2015
Water0
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
2
A: Inositol-pentakisphosphate 2-kinase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)54,0656
Polymers52,8641
Non-polymers1,2015
Water0
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)59.566, 60.820, 82.439
Angle α, β, γ (deg.)89.500, 88.340, 62.540
Int Tables number1
Space group name H-MP1

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Components

#1: Protein Inositol-pentakisphosphate 2-kinase


Mass: 52863.969 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Arabidopsis thaliana (thale cress) / Gene: AXX17_At5g40720 / Production host: Escherichia coli (E. coli)
References: UniProt: A0A178UAB5, UniProt: Q93YN9*PLUS, inositol-pentakisphosphate 2-kinase
#2: Chemical ChemComp-KGN / D-chiro inositol hexakisphosphate


Mass: 660.035 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C6H18O24P6
#3: Chemical ChemComp-ADP / ADENOSINE-5'-DIPHOSPHATE


Mass: 427.201 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C10H15N5O10P2 / Comment: ADP, energy-carrying molecule*YM
#4: Chemical
ChemComp-MG / MAGNESIUM ION


Mass: 24.305 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: Mg
#5: Chemical ChemComp-ZN / ZINC ION


Mass: 65.409 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: Zn

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION / Number of used crystals: 1

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Sample preparation

CrystalDensity Matthews: 2.51 Å3/Da / Density % sol: 50.91 %
Crystal growTemperature: 289 K / Method: vapor diffusion, sitting drop / pH: 6.5
Details: 18 % PEG 3350, 0.1 M bis-tris propane pH 6.5, 2 mM MgCl2, 25% EG or 35% PEG 3350, 0.1 M bis-tris propane pH 6.5, 2 mM MgCl2

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: Diamond / Beamline: I04 / Wavelength: 0.9795 Å
DetectorType: ADSC QUANTUM 315 / Detector: CCD / Date: Feb 16, 2012
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.9795 Å / Relative weight: 1
ReflectionResolution: 3→29.02 Å / Num. obs: 19896 / % possible obs: 96.7 % / Redundancy: 2.3 % / Biso Wilson estimate: 55.76 Å2 / CC1/2: 0.953 / Rmerge(I) obs: 0.149 / Rpim(I) all: 0.131 / Rrim(I) all: 0.199 / Net I/σ(I): 7.1 / Num. measured all: 45894
Reflection shell

Diffraction-ID: 1

Resolution (Å)Redundancy (%)Rmerge(I) obsNum. unique obsCC1/2Rpim(I) allRrim(I) all% possible all
3-3.182.10.56931470.4920.5010.76194
9-29.022.40.0427360.9870.0360.05696

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Processing

Software
NameVersionClassification
Aimless0.5.32data scaling
PHENIX1.10.1_2155refinement
PDB_EXTRACT3.24data extraction
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 2XAM

2xam


Resolution: 3→29.017 Å / SU ML: 0.5 / Cross valid method: THROUGHOUT / σ(F): 1.96 / Phase error: 28.87
RfactorNum. reflection% reflection
Rfree0.2653 1062 5.34 %
Rwork0.1966 --
obs0.2004 19872 96.73 %
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å
Displacement parametersBiso max: 164.4 Å2 / Biso mean: 52.4431 Å2 / Biso min: 17.04 Å2
Refinement stepCycle: final / Resolution: 3→29.017 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms6706 0 168 0 6874
Biso mean--64.24 --
Num. residues----840
Refine LS restraints
Refine-IDTypeDev idealNumber
X-RAY DIFFRACTIONf_bond_d0.016962
X-RAY DIFFRACTIONf_angle_d1.2599422
X-RAY DIFFRACTIONf_chiral_restr0.0531042
X-RAY DIFFRACTIONf_plane_restr0.0061184
X-RAY DIFFRACTIONf_dihedral_angle_d18.1224236
LS refinement shell

Refine-ID: X-RAY DIFFRACTION / Rfactor Rfree error: 0 / Total num. of bins used: 8

Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkNum. reflection all% reflection obs (%)
3.0002-3.13660.3831270.28042274240193
3.1366-3.30170.3741630.26362365252898
3.3017-3.50820.34351020.22042398250098
3.5082-3.77860.26541340.20862375250998
3.7786-4.15780.3112820.19142390247297
4.1578-4.75720.24571530.16632303245696
4.7572-5.98490.22941610.19372335249697
5.9849-29.01830.19851400.16042370251098

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