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- PDB-5xal: Y99F mutant of Thermus thermophilus HB8 thymidylate kinase -

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Basic information

Entry
Database: PDB / ID: 5xal
TitleY99F mutant of Thermus thermophilus HB8 thymidylate kinase
ComponentsThymidylate kinase
KeywordsTRANSFERASE / Nucleotide monophosphate kinase
Function / homology
Function and homology information


dTMP kinase / thymidylate kinase activity / dTDP biosynthetic process / dTTP biosynthetic process / ATP binding
Similarity search - Function
Thymidylate kinase, conserved site / Thymidylate kinase signature. / Thymidylate kinase / Thymidylate kinase-like domain / Thymidylate 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
FORMIC ACID / Thymidylate kinase
Similarity search - Component
Biological speciesThermus thermophilus (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.84 Å
AuthorsChaudhary, S.K. / Jeyakanthan, J. / Sekar, K.
CitationJournal: Acta Crystallogr D Struct Biol / Year: 2018
Title: Structural and functional roles of dynamically correlated residues in thymidylate kinase.
Authors: Chaudhary, S.K. / Jeyakanthan, J. / Sekar, K.
History
DepositionMar 14, 2017Deposition site: PDBJ / Processing site: PDBJ
Revision 1.0Mar 14, 2018Provider: repository / Type: Initial release
Revision 1.1Apr 18, 2018Group: Data collection / Database references / Category: citation
Item: _citation.country / _citation.journal_abbrev ..._citation.country / _citation.journal_abbrev / _citation.journal_id_ASTM / _citation.journal_id_CSD / _citation.journal_id_ISSN / _citation.journal_volume / _citation.page_first / _citation.page_last / _citation.pdbx_database_id_DOI / _citation.title / _citation.year
Revision 1.2Nov 21, 2018Group: Data collection / Database references / Category: citation / citation_author
Item: _citation.country / _citation.journal_abbrev ..._citation.country / _citation.journal_abbrev / _citation.journal_id_ASTM / _citation.journal_id_CSD / _citation.journal_id_ISSN / _citation.pdbx_database_id_PubMed / _citation.title / _citation_author.identifier_ORCID
Revision 1.3Mar 27, 2024Group: Data collection / Database references / Derived calculations
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / 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_asym_id / _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.ptnr1_symmetry / _pdbx_struct_conn_angle.ptnr2_auth_seq_id / _pdbx_struct_conn_angle.ptnr2_label_asym_id / _pdbx_struct_conn_angle.ptnr3_auth_asym_id / _pdbx_struct_conn_angle.ptnr3_auth_comp_id / _pdbx_struct_conn_angle.ptnr3_auth_seq_id / _pdbx_struct_conn_angle.ptnr3_label_alt_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.ptnr3_symmetry / _pdbx_struct_conn_angle.value / _struct_conn.pdbx_dist_value / _struct_conn.pdbx_ptnr1_label_alt_id / _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.ptnr1_symmetry / _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 / _struct_conn.ptnr2_symmetry

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Thymidylate kinase
B: Thymidylate kinase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)44,27412
Polymers43,9872
Non-polymers28610
Water3,081171
1


  • Idetical with deposited unit
  • defined by author&software
  • Evidence: gel filtration
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area3130 Å2
ΔGint-81 kcal/mol
Surface area15790 Å2
MethodPISA
Unit cell
Length a, b, c (Å)46.879, 47.560, 151.509
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number19
Space group name H-MP212121

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Components

#1: Protein Thymidylate kinase / dTMP kinase


Mass: 21993.543 Da / Num. of mol.: 2 / Mutation: Y99F
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Thermus thermophilus (strain HB8 / ATCC 27634 / DSM 579) (bacteria)
Strain: HB8 / ATCC 27634 / DSM 579 / Gene: tmk, TTHA1607 / Production host: Escherichia coli BL21(DE3) (bacteria) / Strain (production host): BL21(DE3) / References: UniProt: Q5SHX3, dTMP kinase
#2: Chemical
ChemComp-MG / MAGNESIUM ION


Mass: 24.305 Da / Num. of mol.: 8 / Source method: obtained synthetically / Formula: Mg
#3: Chemical ChemComp-FMT / FORMIC ACID


Mass: 46.025 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: CH2O2
#4: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 171 / 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: 2.1 Å3/Da / Density % sol: 35.93 %
Crystal growTemperature: 295 K / Method: microbatch / Details: 0.1M Magnesium formate dehydrate, 20% PEG 3350

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: ESRF / Beamline: BM14 / Wavelength: 0.7293 Å
DetectorType: MARMOSAIC 225 mm CCD / Detector: CCD / Date: Oct 2, 2016
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.7293 Å / Relative weight: 1
ReflectionResolution: 1.84→47.56 Å / Num. obs: 30239 / % possible obs: 99.8 % / Redundancy: 10.6 % / Biso Wilson estimate: 13.56 Å2 / CC1/2: 0.993 / Rmerge(I) obs: 0.101 / Net I/σ(I): 14.5

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Processing

Software
NameVersionClassification
REFMAC5.8.0158refinement
PDB_EXTRACT3.1data extraction
iMOSFLMdata reduction
Aimlessdata scaling
PHASERphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT / Resolution: 1.84→47.56 Å / Cor.coef. Fo:Fc: 0.922 / Cor.coef. Fo:Fc free: 0.897 / SU B: 4.402 / SU ML: 0.129 / Cross valid method: THROUGHOUT / ESU R: 0.177 / ESU R Free: 0.163 / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
RfactorNum. reflection% reflectionSelection details
Rfree0.26798 1486 4.9 %RANDOM
Rwork0.22008 ---
obs0.22245 28705 99.66 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å
Displacement parametersBiso mean: 20.431 Å2
Baniso -1Baniso -2Baniso -3
1-0.45 Å20 Å2-0 Å2
2---0.94 Å20 Å2
3---0.49 Å2
Refinement stepCycle: 1 / Resolution: 1.84→47.56 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms2847 0 14 171 3032
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0130.0192920
X-RAY DIFFRACTIONr_bond_other_d0.0020.022914
X-RAY DIFFRACTIONr_angle_refined_deg1.6892.0153950
X-RAY DIFFRACTIONr_angle_other_deg0.99436689
X-RAY DIFFRACTIONr_dihedral_angle_1_deg5.3545366
X-RAY DIFFRACTIONr_dihedral_angle_2_deg33.56321.111126
X-RAY DIFFRACTIONr_dihedral_angle_3_deg14.63215495
X-RAY DIFFRACTIONr_dihedral_angle_4_deg16.831541
X-RAY DIFFRACTIONr_chiral_restr0.0840.2449
X-RAY DIFFRACTIONr_gen_planes_refined0.0070.0213213
X-RAY DIFFRACTIONr_gen_planes_other0.0010.02636
X-RAY DIFFRACTIONr_nbd_refined
X-RAY DIFFRACTIONr_nbd_other
X-RAY DIFFRACTIONr_nbtor_refined
X-RAY DIFFRACTIONr_nbtor_other
X-RAY DIFFRACTIONr_xyhbond_nbd_refined
X-RAY DIFFRACTIONr_xyhbond_nbd_other
X-RAY DIFFRACTIONr_metal_ion_refined
X-RAY DIFFRACTIONr_metal_ion_other
X-RAY DIFFRACTIONr_symmetry_vdw_refined
X-RAY DIFFRACTIONr_symmetry_vdw_other
X-RAY DIFFRACTIONr_symmetry_hbond_refined
X-RAY DIFFRACTIONr_symmetry_hbond_other
X-RAY DIFFRACTIONr_symmetry_metal_ion_refined
X-RAY DIFFRACTIONr_symmetry_metal_ion_other
X-RAY DIFFRACTIONr_mcbond_it1.4231.8941463
X-RAY DIFFRACTIONr_mcbond_other1.4231.8951464
X-RAY DIFFRACTIONr_mcangle_it2.3192.8221822
X-RAY DIFFRACTIONr_mcangle_other2.3192.8251823
X-RAY DIFFRACTIONr_scbond_it1.7072.121457
X-RAY DIFFRACTIONr_scbond_other1.6752.121454
X-RAY DIFFRACTIONr_scangle_it
X-RAY DIFFRACTIONr_scangle_other2.7083.0972127
X-RAY DIFFRACTIONr_long_range_B_refined4.30522.2143146
X-RAY DIFFRACTIONr_long_range_B_other4.30822.1963143
X-RAY DIFFRACTIONr_rigid_bond_restr
X-RAY DIFFRACTIONr_sphericity_free
X-RAY DIFFRACTIONr_sphericity_bonded
LS refinement shellResolution: 1.84→1.888 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.34 132 -
Rwork0.275 2064 -
obs--99.5 %

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