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- PDB-3t7a: Crystal structure of the catalytic domain of human diphosphoinosi... -

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Basic information

Entry
Database: PDB / ID: 3t7a
TitleCrystal structure of the catalytic domain of human diphosphoinositol pentakisphosphate kinase 2 (PPIP5K2) in complex with ADP at pH 5.2
ComponentsInositol Pyrophosphate Kinase
KeywordsTRANSFERASE / ATP-grasp Fold / Inositol Pyrophosphate Kinase
Function / homology
Function and homology information


inositol-1,3,4,5,6-pentakisphosphate kinase activity / diphosphoinositol pentakisphosphate kinase activity / diphosphoinositol-pentakisphosphate 1-kinase / 5-diphosphoinositol pentakisphosphate 1-kinase activity / inositol hexakisphosphate 1-kinase activity / inositol hexakisphosphate 5-kinase activity / Synthesis of pyrophosphates in the cytosol / inositol hexakisphosphate kinase activity / inositol phosphate metabolic process / inositol phosphate biosynthetic process ...inositol-1,3,4,5,6-pentakisphosphate kinase activity / diphosphoinositol pentakisphosphate kinase activity / diphosphoinositol-pentakisphosphate 1-kinase / 5-diphosphoinositol pentakisphosphate 1-kinase activity / inositol hexakisphosphate 1-kinase activity / inositol hexakisphosphate 5-kinase activity / Synthesis of pyrophosphates in the cytosol / inositol hexakisphosphate kinase activity / inositol phosphate metabolic process / inositol phosphate biosynthetic process / inositol metabolic process / sensory perception of sound / ATP binding / cytosol
Similarity search - Function
Rossmann fold - #11950 / Histidine acid phosphatase, VIP1 family / VIP1, N-terminal / Diphosphoinositol pentakisphosphate kinase 2 N-terminal domain / Histidine acid phosphatases phosphohistidine signature. / Histidine acid phosphatase active site / Histidine phosphatase superfamily, clade-2 / Histidine phosphatase superfamily (branch 2) / Histidine phosphatase superfamily / ATP-grasp fold, B domain ...Rossmann fold - #11950 / Histidine acid phosphatase, VIP1 family / VIP1, N-terminal / Diphosphoinositol pentakisphosphate kinase 2 N-terminal domain / Histidine acid phosphatases phosphohistidine signature. / Histidine acid phosphatase active site / Histidine phosphatase superfamily, clade-2 / Histidine phosphatase superfamily (branch 2) / Histidine phosphatase superfamily / ATP-grasp fold, B domain / D-amino Acid Aminotransferase; Chain A, domain 1 / Rossmann fold / 2-Layer Sandwich / 3-Layer(aba) Sandwich / Alpha Beta
Similarity search - Domain/homology
ACETATE ION / ADENOSINE-5'-DIPHOSPHATE / Inositol hexakisphosphate and diphosphoinositol-pentakisphosphate kinase 2
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / SYNCHROTRON / FOURIER SYNTHESIS / Resolution: 1.7 Å
AuthorsWang, H. / Falck, J. / Hall, T.M.T. / Shears, S.B.
CitationJournal: Nat.Chem.Biol. / Year: 2011
Title: Structural basis for an inositol pyrophosphate kinase surmounting phosphate crowding.
Authors: Wang, H. / Falck, J.R. / Hall, T.M. / Shears, S.B.
History
DepositionJul 29, 2011Deposition site: RCSB / Processing site: RCSB
Revision 1.0Dec 7, 2011Provider: repository / Type: Initial release
Revision 1.1Dec 14, 2011Group: Database references
Revision 1.2Jan 11, 2012Group: Database references
Revision 1.3Sep 13, 2023Group: 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 / struct_ref_seq_dif / struct_site
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_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_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 / _struct_ref_seq_dif.details / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Inositol Pyrophosphate Kinase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)38,55613
Polymers37,5691
Non-polymers98812
Water7,764431
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPISA
Unit cell
Length a, b, c (Å)88.973, 110.807, 41.381
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number19
Space group name H-MP212121

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Components

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Protein , 1 types, 1 molecules A

#1: Protein Inositol Pyrophosphate Kinase


Mass: 37568.891 Da / Num. of mol.: 1 / Fragment: ATP-grasp Kinase domain
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: PPIP5K2 / Plasmid: pDest566 / Production host: Escherichia coli (E. coli) / Strain (production host): Arctic Express (DE3)
References: UniProt: O43314, diphosphoinositol-pentakisphosphate 1-kinase

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Non-polymers , 5 types, 443 molecules

#2: Chemical ChemComp-ADP / ADENOSINE-5'-DIPHOSPHATE


Mass: 427.201 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C10H15N5O10P2 / Comment: ADP, energy-carrying molecule*YM
#3: Chemical ChemComp-MG / MAGNESIUM ION


Mass: 24.305 Da / Num. of mol.: 3 / Source method: obtained synthetically / Formula: Mg
#4: Chemical ChemComp-ACT / ACETATE ION


Mass: 59.044 Da / Num. of mol.: 3 / Source method: obtained synthetically / Formula: C2H3O2
#5: Chemical
ChemComp-EDO / 1,2-ETHANEDIOL / ETHYLENE GLYCOL


Mass: 62.068 Da / Num. of mol.: 5 / Source method: obtained synthetically / Formula: C2H6O2
#6: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 431 / Source method: isolated from a natural source / Formula: H2O

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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: 2.71 Å3/Da / Density % sol: 54.69 %
Crystal growTemperature: 277 K / Method: vapor diffusion, hanging drop / pH: 7
Details: 12% (w/v) PEG 3350, 20 mM MgCl2, 0.1 M HEPES, 1 mM ATP, 2 mM CdCl2 Soaking under pH5.2 overnight , pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: APS / Beamline: 22-ID / Wavelength: 1 Å
DetectorType: MARMOSAIC 300 mm CCD / Detector: CCD / Date: Feb 9, 2011
RadiationMonochromator: SAGITALLY FOCUSED Si(111) / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1 Å / Relative weight: 1
ReflectionResolution: 1.7→50 Å / Num. obs: 45377 / % possible obs: 99.2 % / Observed criterion σ(F): -3 / Observed criterion σ(I): 0 / Redundancy: 5.3 % / Rsym value: 0.057 / Net I/σ(I): 28.5
Reflection shellResolution: 1.7→1.73 Å / Redundancy: 4 % / Mean I/σ(I) obs: 3 / Rsym value: 0.423 / % possible all: 94.8

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Processing

Software
NameVersionClassification
HKL-2000data collection
PHENIXmodel building
REFMAC5.5.0110refinement
HKL-2000data reduction
HKL-2000data scaling
PHENIXphasing
RefinementMethod to determine structure: FOURIER SYNTHESIS
Starting model: PDB ENTRY 3T54

3t54


Resolution: 1.7→41.28 Å / Cor.coef. Fo:Fc: 0.954 / Cor.coef. Fo:Fc free: 0.941 / SU B: 1.688 / SU ML: 0.057 / Cross valid method: THROUGHOUT / σ(F): 0 / ESU R Free: 0.098 / Stereochemistry target values: MAXIMUM LIKELIHOOD
RfactorNum. reflection% reflectionSelection details
Rfree0.20635 2802 6.2 %Equivalent and expanded
Rwork0.17927 ---
all0.18095 ---
obs0.18095 42377 98.72 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.4 Å / Solvent model: MASK
Displacement parametersBiso mean: 17.327 Å2
Baniso -1Baniso -2Baniso -3
1-0.5 Å20 Å20 Å2
2---0.34 Å20 Å2
3----0.16 Å2
Refinement stepCycle: LAST / Resolution: 1.7→41.28 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms2558 0 62 431 3051
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.010.0222761
X-RAY DIFFRACTIONr_angle_refined_deg1.1891.9863743
X-RAY DIFFRACTIONr_dihedral_angle_1_deg5.4295340
X-RAY DIFFRACTIONr_dihedral_angle_2_deg35.99723.984128
X-RAY DIFFRACTIONr_dihedral_angle_3_deg11.29315485
X-RAY DIFFRACTIONr_dihedral_angle_4_deg14.3011519
X-RAY DIFFRACTIONr_chiral_restr0.0840.2402
X-RAY DIFFRACTIONr_gen_planes_refined0.0050.0212110
X-RAY DIFFRACTIONr_mcbond_it0.7191.51657
X-RAY DIFFRACTIONr_mcangle_it1.37622699
X-RAY DIFFRACTIONr_scbond_it2.06631104
X-RAY DIFFRACTIONr_scangle_it3.4984.51040
LS refinement shellResolution: 1.7→1.746 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.318 200 -
Rwork0.266 2916 -
obs--93.15 %

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