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- PDB-1bpj: THYMIDYLATE SYNTHASE R178T, R179T DOUBLE MUTANT -

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Basic information

Entry
Database: PDB / ID: 1bpj
TitleTHYMIDYLATE SYNTHASE R178T, R179T DOUBLE MUTANT
ComponentsPROTEIN (THYMIDYLATE SYNTHASE)
KeywordsTRANSFERASE / TRANSFERASE (METHYLTRANSFERASE) / METHYLTRANSFERASE / NUCLEOTIDE BIOSYNTHESIS
Function / homology
Function and homology information


thymidylate synthase / thymidylate synthase activity / dTMP biosynthetic process / dTTP biosynthetic process / methylation / cytosol
Similarity search - Function
Thymidylate Synthase; Chain A / Thymidylate synthase/dCMP hydroxymethylase domain / Thymidylate synthase, active site / Thymidylate synthase active site. / Thymidylate synthase / Thymidylate synthase/dCMP hydroxymethylase / Thymidylate synthase/dCMP hydroxymethylase domain / Thymidylate synthase/dCMP hydroxymethylase superfamily / Thymidylate synthase / 2-Layer Sandwich / Alpha Beta
Similarity search - Domain/homology
: / 2'-DEOXYURIDINE 5'-MONOPHOSPHATE / Thymidylate synthase
Similarity search - Component
Biological speciesLactobacillus casei (bacteria)
MethodX-RAY DIFFRACTION / MOLECULAR REPLACEMENT / Resolution: 2.4 Å
AuthorsMorse, R.J. / Finer-Moore, J.S. / Stroud, R.M.
Citation
Journal: Biochemistry / Year: 2000
Title: Energetic contributions of four arginines to phosphate-binding in thymidylate synthase are more than additive and depend on optimization of "effective charge balance".
Authors: Morse, R.J. / Kawase, S. / Santi, D.V. / Finer-Moore, J. / Stroud, R.M.
#1: Journal: Faseb J. / Year: 1993
Title: Stereochemistry of a Multistep(Slash)Bipartite Methyl Transfer Reaction: Thymidylate Synthase
Authors: Stroud, R.M. / Finer-Moore, J.S.
#2: Journal: J.Mol.Biol. / Year: 1993
Title: Refined Structures of Substrate-Bound and Phosphate-Bound Thymidylate Synthase from Lactobacillus Casei
Authors: Finer-Moore, J.S. / Fauman, E.B. / Foster, P.G. / Perry, K.M. / Santi, D.V. / Stroud, R.M.
#3: Journal: Science / Year: 1987
Title: Atomic Structure of Thymidylate Synthase: Target for Rational Drug Design
Authors: Hardy, L.W. / Finer-Moore, J.S. / Montfort, W.R. / Jones, M.O. / Santi, D.V. / Stroud, R.M.
History
DepositionAug 11, 1998Deposition site: BNL / Processing site: RCSB
Revision 1.0Aug 19, 1998Provider: repository / Type: Initial release
Revision 1.1Oct 16, 2007Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Derived calculations / Version format compliance
Revision 1.3Nov 3, 2021Group: Database references / Derived calculations
Category: database_2 / pdbx_struct_conn_angle ...database_2 / 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_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.ptnr3_auth_comp_id / _pdbx_struct_conn_angle.ptnr3_auth_seq_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.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_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_label_seq_id / _struct_conn.ptnr2_symmetry / _struct_ref_seq_dif.details / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id
Revision 1.4Aug 9, 2023Group: Data collection / Refinement description
Category: chem_comp_atom / chem_comp_bond / pdbx_initial_refinement_model

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: PROTEIN (THYMIDYLATE SYNTHASE)
hetero molecules


Theoretical massNumber of molelcules
Total (without water)36,8663
Polymers36,5181
Non-polymers3472
Water1,04558
1
A: PROTEIN (THYMIDYLATE SYNTHASE)
hetero molecules

A: PROTEIN (THYMIDYLATE SYNTHASE)
hetero molecules


Theoretical massNumber of molelcules
Total (without water)73,7316
Polymers73,0372
Non-polymers6954
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
crystal symmetry operation9_654-x+1,-x+y,-z-1/31
2
A: PROTEIN (THYMIDYLATE SYNTHASE)
hetero molecules

A: PROTEIN (THYMIDYLATE SYNTHASE)
hetero molecules


Theoretical massNumber of molelcules
Total (without water)73,7316
Polymers73,0372
Non-polymers6954
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
crystal symmetry operation11_554-x+y,y,-z-1/21
Buried area5040 Å2
ΔGint-31 kcal/mol
Surface area26240 Å2
MethodPISA, PQS
Unit cell
Length a, b, c (Å)78.800, 78.800, 243.800
Angle α, β, γ (deg.)90.00, 90.00, 120.00
Int Tables number178
Space group name H-MP6122
Components on special symmetry positions
IDModelComponents
11A-317-

K

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Components

#1: Protein PROTEIN (THYMIDYLATE SYNTHASE)


Mass: 36518.273 Da / Num. of mol.: 1 / Mutation: R178T, R179T
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Lactobacillus casei (bacteria) / Strain: E. COLI CHI-2913 / Description: SYNTHETIC GENE / Plasmid: PKPTSD / Production host: Escherichia coli (E. coli) / Strain (production host): CHI-2913 / References: UniProt: P00469, thymidylate synthase
#2: Chemical ChemComp-K / POTASSIUM ION


Mass: 39.098 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: K
#3: Chemical ChemComp-UMP / 2'-DEOXYURIDINE 5'-MONOPHOSPHATE / DUMP


Mass: 308.182 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C9H13N2O8P
#4: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 58 / Source method: isolated from a natural source / Formula: H2O
Nonpolymer detailsLIES ON A CRYSTALLOGRAPHIC 2-FOLD POT 35 IS A POSSIBLE POTASSIUM ION THAT LIES ON A MOLECULAR AND ...LIES ON A CRYSTALLOGRAPHIC 2-FOLD POT 35 IS A POSSIBLE POTASSIUM ION THAT LIES ON A MOLECULAR AND CRYSTALLOGRAPHIC TWO-FOLD AXIS.

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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: 2.99 Å3/Da / Density % sol: 57 %
Crystal growpH: 7 / Details: pH 7.0
Crystal grow
*PLUS
Method: vapor diffusion / Details: Finer-Moore, J.S., (1993) J.Mol.Biol., 232, 1101.
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-ID
110 mg/mlprotein1drop
220 mMpotassium phosphate1drop
320 mMpotassium phosphate1reservoir
420 mMammonium sulfate1reservoir
538 mMdUMP1reservoir

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Data collection

DiffractionMean temperature: 293 K
Diffraction sourceSource: ROTATING ANODE / Type: RIGAKU RU200 / Wavelength: 1.5418
DetectorType: RIGAKU RAXIS IIC / Detector: IMAGE PLATE / Date: Jul 15, 1995
RadiationMonochromator: GRAPHITE MONOCHROMETER / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.5418 Å / Relative weight: 1
ReflectionResolution: 2.5→50 Å / Num. obs: 15561 / % possible obs: 95.5 % / Observed criterion σ(I): 0 / Redundancy: 3.7 % / Biso Wilson estimate: 22.4 Å2 / Rmerge(I) obs: 0.089 / Rsym value: 8.9 / Net I/σ(I): 12.6
Reflection shellResolution: 2.5→2.6 Å / Redundancy: 3.2 % / Rmerge(I) obs: 0.7 / Mean I/σ(I) obs: 1.8 / Rsym value: 70 / % possible all: 90.1
Reflection
*PLUS
Rmerge(I) obs: 0.089

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Processing

Software
NameVersionClassification
X-PLORmodel building
X-PLOR3.8refinement
DENZOdata reduction
SCALEPACKdata scaling
X-PLORphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 1TDM

1tdm
PDB Unreleased entry


Resolution: 2.4→7 Å / Rfactor Rfree error: 0.008 / Data cutoff high absF: 10000 / Data cutoff low absF: 0.001 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 0
RfactorNum. reflection% reflectionSelection details
Rfree0.281 1282 10.2 %RANDOM
Rwork0.19 ---
obs0.19 12546 71.6 %-
Displacement parametersBiso mean: 26 Å2
Baniso -1Baniso -2Baniso -3
1-0 Å20 Å20 Å2
2--0 Å20 Å2
3---0 Å2
Refine analyze
FreeObs
Luzzati coordinate error0.43 Å0.27 Å
Luzzati d res low-5 Å
Luzzati sigma a-0.67 Å
Refinement stepCycle: LAST / Resolution: 2.4→7 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms2585 0 21 58 2664
Refine LS restraints
Refine-IDTypeDev idealDev ideal target
X-RAY DIFFRACTIONx_bond_d0.008
X-RAY DIFFRACTIONx_bond_d_na
X-RAY DIFFRACTIONx_bond_d_prot
X-RAY DIFFRACTIONx_angle_d
X-RAY DIFFRACTIONx_angle_d_na
X-RAY DIFFRACTIONx_angle_d_prot
X-RAY DIFFRACTIONx_angle_deg1.5
X-RAY DIFFRACTIONx_angle_deg_na
X-RAY DIFFRACTIONx_angle_deg_prot
X-RAY DIFFRACTIONx_dihedral_angle_d24.4
X-RAY DIFFRACTIONx_dihedral_angle_d_na
X-RAY DIFFRACTIONx_dihedral_angle_d_prot
X-RAY DIFFRACTIONx_improper_angle_d1.2
X-RAY DIFFRACTIONx_improper_angle_d_na
X-RAY DIFFRACTIONx_improper_angle_d_prot
X-RAY DIFFRACTIONx_mcbond_it3.941.5
X-RAY DIFFRACTIONx_mcangle_it5.722
X-RAY DIFFRACTIONx_scbond_it4.031.5
X-RAY DIFFRACTIONx_scangle_it5.662
LS refinement shellResolution: 2.4→2.5 Å / Rfactor Rfree error: 0.035 / Total num. of bins used: 8
RfactorNum. reflection% reflection
Rfree0.362 80 9.1 %
Rwork0.28 850 -
obs--43.7 %
Xplor file
Refine-IDSerial noParam fileTopol file
X-RAY DIFFRACTION1PARHCSDX.PROTOPHCSDX.PRO
X-RAY DIFFRACTION2PARAM11.WATTOPH11.WAT
X-RAY DIFFRACTION3PARAMED.LIGTOPO.DUMP
Software
*PLUS
Name: X-PLOR / Version: 3.8 / Classification: refinement
Refinement
*PLUS
Highest resolution: 2.5 Å / σ(F): 0 / % reflection Rfree: 10.2 % / Rfactor obs: 0.2 / Rfactor Rfree: 0.267 / Rfactor Rwork: 0.19
Solvent computation
*PLUS
Displacement parameters
*PLUS
Biso mean: 26 Å2
Refine LS restraints
*PLUS
Refine-IDTypeDev idealDev ideal target
X-RAY DIFFRACTIONx_bond_d0.007
X-RAY DIFFRACTIONx_angle_deg1.4
X-RAY DIFFRACTIONx_dihedral_angle_d
X-RAY DIFFRACTIONx_dihedral_angle_deg24.4
X-RAY DIFFRACTIONx_improper_angle_d
X-RAY DIFFRACTIONx_improper_angle_deg1.2
X-RAY DIFFRACTIONx_mcbond_it1.5
X-RAY DIFFRACTIONx_scbond_it1.5
X-RAY DIFFRACTIONx_mcangle_it2
X-RAY DIFFRACTIONx_scangle_it2
LS refinement shell
*PLUS
Highest resolution: 2.4 Å / Lowest resolution: 2.5 Å / Rfactor Rfree: 0.362 / % reflection Rfree: 9.1 % / Rfactor Rwork: 0.28

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