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- PDB-4q1b: Human dCK C4S-S74E mutant in complex with UDP and the inhibitor 7... -

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Basic information

Entry
Database: PDB / ID: 4q1b
TitleHuman dCK C4S-S74E mutant in complex with UDP and the inhibitor 7 {N-(2-(3-(4-(((4,6-diaminopyrimidin-2-yl)thio)methyl)-5-propylthiazol-2-yl)phenoxy)ethyl)methanesulfonamide}
ComponentsDeoxycytidine kinase
KeywordsTRANSFERASE/TRANSFERASE INHIBITOR / PHOSPHORYL TRANSFER / PHOSPHORYLATION / DEOXYCYTIDINE / TRANSFERASE / INHIBITOR COMPLEX / kinase / TRANSFERASE-TRANSFERASE INHIBITOR complex
Function / homology
Function and homology information


deoxycytidine kinase / 2'-deoxyadenosine kinase / deoxyguanosine kinase / dAMP salvage / deoxycytidine kinase activity / nucleoside phosphate biosynthetic process / deoxyguanosine kinase activity / deoxyadenosine kinase activity / Pyrimidine salvage / cytidine kinase activity ...deoxycytidine kinase / 2'-deoxyadenosine kinase / deoxyguanosine kinase / dAMP salvage / deoxycytidine kinase activity / nucleoside phosphate biosynthetic process / deoxyguanosine kinase activity / deoxyadenosine kinase activity / Pyrimidine salvage / cytidine kinase activity / pyrimidine nucleotide metabolic process / Purine salvage / protein homodimerization activity / mitochondrion / nucleoplasm / ATP binding / cytosol / cytoplasm
Similarity search - Function
Deoxynucleoside kinase / : / Deoxynucleoside kinase domain / Deoxynucleoside kinase / P-loop containing nucleotide triphosphate hydrolases / Rossmann fold / P-loop containing nucleoside triphosphate hydrolase / 3-Layer(aba) Sandwich / Alpha Beta
Similarity search - Domain/homology
Chem-2Y0 / URIDINE-5'-DIPHOSPHATE / Deoxycytidine kinase
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.15 Å
AuthorsNomme, J. / Lavie, A.
CitationJournal: J.Med.Chem. / Year: 2014
Title: Structure-guided development of deoxycytidine kinase inhibitors with nanomolar affinity and improved metabolic stability.
Authors: Nomme, J. / Li, Z. / Gipson, R.M. / Wang, J. / Armijo, A.L. / Le, T. / Poddar, S. / Smith, T. / Santarsiero, B.D. / Nguyen, H.A. / Czernin, J. / Alexandrova, A.N. / Jung, M.E. / Radu, C.G. / Lavie, A.
History
DepositionApr 3, 2014Deposition site: RCSB / Processing site: RCSB
Revision 1.0Feb 18, 2015Provider: repository / Type: Initial release
Revision 1.1Sep 20, 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 / 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 / _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: Deoxycytidine kinase
B: Deoxycytidine kinase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)67,2016
Polymers65,4032
Non-polymers1,7984
Water1,65792
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area3800 Å2
ΔGint-28 kcal/mol
Surface area20140 Å2
MethodPISA
Unit cell
Length a, b, c (Å)68.968, 68.968, 121.944
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number76
Space group name H-MP41

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Components

#1: Protein Deoxycytidine kinase / dCK


Mass: 32701.627 Da / Num. of mol.: 2 / Mutation: C9S, C45S, C59S, S74E, C146S
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: DCK / Plasmid: pET14b / Production host: Escherichia coli (E. coli) / Strain (production host): BL21 DE3 C41 / References: UniProt: P27707, deoxycytidine kinase
#2: Chemical ChemComp-2Y0 / N-(2-(3-(4-(((4,6-diaminopyrimidin-2-yl)thio)methyl)-5-propylthiazol-2-yl)phenoxy)ethyl)methanesulfonamide / N-{2-[3-(4-{[(4,6-diaminopyrimidin-2-yl)sulfanyl]methyl}-5-propyl-1,3-thiazol-2-yl)phenoxy]ethyl}methanesulfonamide


Mass: 494.654 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C20H26N6O3S3
#3: Chemical ChemComp-UDP / URIDINE-5'-DIPHOSPHATE


Type: RNA linking / Mass: 404.161 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C9H14N2O12P2 / Comment: UDP*YM
#4: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 92 / 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: 2.22 Å3/Da / Density % sol: 44.52 %
Crystal growTemperature: 285 K / Method: vapor diffusion, hanging drop / pH: 7.5
Details: 1.5 M trisodium citrate dehydrate and 25 mM HEPES pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 285K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: APS / Beamline: 21-ID-G / Wavelength: 0.9785 Å
DetectorType: MARMOSAIC 300 mm CCD / Detector: CCD / Date: Jan 31, 2013
RadiationMonochromator: C111 / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.9785 Å / Relative weight: 1
Reflection twin
Crystal-IDIDOperatorDomain-IDFraction
11H, K, L10.504
11-H, K, -L20.496
ReflectionResolution: 2.15→30 Å / Num. all: 30472 / Num. obs: 30472 / % possible obs: 98.3 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Rsym value: 0.052 / Net I/σ(I): 17.42
Reflection shellResolution: 2.15→2.28 Å / Mean I/σ(I) obs: 2.87 / Num. unique all: 4838 / Rsym value: 0.552 / % possible all: 97.4

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Processing

Software
NameVersionClassification
CrystalCleardata collection
MOLREPphasing
REFMAC5.8.0049refinement
XDSdata reduction
XDSdata scaling
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB entry 4JLN

4jln


Resolution: 2.15→27.52 Å / Cor.coef. Fo:Fc: 0.971 / Cor.coef. Fo:Fc free: 0.941 / SU B: 4.455 / SU ML: 0.122 / Cross valid method: THROUGHOUT / σ(F): 0 / ESU R: 0.046 / ESU R Free: 0.044 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN USED IF PRESENT IN THE INPUT
RfactorNum. reflection% reflectionSelection details
Rfree0.25269 1540 5.2 %RANDOM
Rwork0.17298 ---
all0.17705 28349 --
obs0.17705 28349 96.49 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK
Displacement parametersBiso mean: 54.141 Å2
Baniso -1Baniso -2Baniso -3
1--3.34 Å20 Å20 Å2
2---3.34 Å20 Å2
3---6.68 Å2
Refinement stepCycle: LAST / Resolution: 2.15→27.52 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms3736 0 114 92 3942
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0120.023963
X-RAY DIFFRACTIONr_angle_refined_deg1.6961.9775391
X-RAY DIFFRACTIONr_dihedral_angle_1_deg7.2385458
X-RAY DIFFRACTIONr_dihedral_angle_2_deg39.47824.219192
X-RAY DIFFRACTIONr_dihedral_angle_3_deg19.91715660
X-RAY DIFFRACTIONr_dihedral_angle_4_deg16.5221522
X-RAY DIFFRACTIONr_chiral_restr0.1090.2577
X-RAY DIFFRACTIONr_gen_planes_refined0.0060.0212998
X-RAY DIFFRACTIONr_mcbond_it4.0265.4531829
X-RAY DIFFRACTIONr_mcangle_it5.5988.1642279
X-RAY DIFFRACTIONr_scbond_it4.1395.3962134
X-RAY DIFFRACTIONr_long_range_B_refined8.03645.4236268
LS refinement shellResolution: 2.15→2.206 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.371 102 -
Rwork0.21 2074 -
obs--94.86 %

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