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- PDB-3fpa: Crystal structure of Mycobacterium tuberculosis dethiobiotin synt... -

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Basic information

Entry
Database: PDB / ID: 3fpa
TitleCrystal structure of Mycobacterium tuberculosis dethiobiotin synthetase complexed with dethiobiotin and phosphate
ComponentsDethiobiotin synthetase
KeywordsLIGASE / Rv1570 / bioD / ATP-binding / Biotin biosynthesis / Magnesium / Nucleotide-binding
Function / homology
Function and homology information


dethiobiotin synthase / dethiobiotin synthase activity / biotin biosynthetic process / magnesium ion binding / ATP binding / cytosol / cytoplasm
Similarity search - Function
Dethiobiotin synthase BioD / AAA domain / P-loop containing nucleotide triphosphate hydrolases / P-loop containing nucleoside triphosphate hydrolase / Rossmann fold / 3-Layer(aba) Sandwich / Alpha Beta
Similarity search - Domain/homology
Chem-DTB / PHOSPHATE ION / ATP-dependent dethiobiotin synthetase BioD / Dethiobiotin synthetase BioD
Similarity search - Component
Biological speciesMycobacterium tuberculosis (bacteria)
MethodX-RAY DIFFRACTION / MOLECULAR REPLACEMENT / Resolution: 2.3 Å
AuthorsDey, S. / Sacchettini, J.C.
CitationJournal: Biochemistry / Year: 2010
Title: Structural characterization of the Mycobacterium tuberculosis biotin biosynthesis enzymes 7,8-diaminopelargonic acid synthase and dethiobiotin synthetase.
Authors: Dey, S. / Lane, J.M. / Lee, R.E. / Rubin, E.J. / Sacchettini, J.C.
History
DepositionJan 4, 2009Deposition site: RCSB / Processing site: RCSB
Revision 1.0Jun 30, 2009Provider: repository / Type: Initial release
Revision 1.1Jul 13, 2011Group: Version format compliance
Revision 1.2Sep 6, 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.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.pdbx_leaving_atom_flag / _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 / _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: Dethiobiotin synthetase
B: Dethiobiotin synthetase
C: Dethiobiotin synthetase
D: Dethiobiotin synthetase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)102,82719
Polymers101,3284
Non-polymers1,50015
Water3,351186
1
A: Dethiobiotin synthetase
B: Dethiobiotin synthetase
hetero molecules

C: Dethiobiotin synthetase
D: Dethiobiotin synthetase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)102,82719
Polymers101,3284
Non-polymers1,50015
Water724
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
crystal symmetry operation2_454-x-1/2,-y,z-1/21
Buried area10980 Å2
ΔGint-147 kcal/mol
Surface area32330 Å2
MethodPISA
2
A: Dethiobiotin synthetase
B: Dethiobiotin synthetase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)51,52110
Polymers50,6642
Non-polymers8578
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area4800 Å2
ΔGint-75 kcal/mol
Surface area17270 Å2
MethodPISA
3
C: Dethiobiotin synthetase
D: Dethiobiotin synthetase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)51,3079
Polymers50,6642
Non-polymers6437
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area3950 Å2
ΔGint-71 kcal/mol
Surface area17310 Å2
MethodPISA
Unit cell
Length a, b, c (Å)55.128, 104.453, 151.133
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number19
Space group name H-MP212121
Detailsdimer

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Components

#1: Protein
Dethiobiotin synthetase / Dethiobiotin synthase / DTB synthetase / DTBS


Mass: 25331.891 Da / Num. of mol.: 4 / Fragment: Dethiobiotin synthetase
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Mycobacterium tuberculosis (bacteria) / Strain: H37Rv / Gene: bioD, MT1621, MTCY336.33c, Rv1570 / Plasmid: pET28b / Production host: Escherichia coli (E. coli) / Strain (production host): BL21(DE3)
References: UniProt: O06620, UniProt: P9WPQ5*PLUS, dethiobiotin synthase
#2: Chemical
ChemComp-PO4 / PHOSPHATE ION / Phosphate


Mass: 94.971 Da / Num. of mol.: 8 / Source method: obtained synthetically / Formula: PO4
#3: Chemical ChemComp-DTB / 6-(5-METHYL-2-OXO-IMIDAZOLIDIN-4-YL)-HEXANOIC ACID / D-DESTHIOBIOTIN


Mass: 214.262 Da / Num. of mol.: 3 / Source method: obtained synthetically / Formula: C10H18N2O3
#4: Chemical
ChemComp-MG / MAGNESIUM ION


Mass: 24.305 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: Mg
#5: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 186 / 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: 2.15 Å3/Da / Density % sol: 42.71 %
Crystal growTemperature: 291 K / Method: vapor diffusion, hanging drop
Details: 1.5 M phosphate, 0.2 M NaCl, 0.1M imidazole, VAPOR DIFFUSION, HANGING DROP, temperature 291K

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Data collection

DiffractionMean temperature: 120 K
Diffraction sourceSource: ROTATING ANODE / Type: RIGAKU MICROMAX-007 HF / Wavelength: 1.541 Å
DetectorType: RIGAKU RAXIS IV++ / Detector: IMAGE PLATE
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.541 Å / Relative weight: 1
ReflectionResolution: 2.3→35 Å / Num. obs: 39525 / % possible obs: 99.5 % / Redundancy: 3.3 % / Rmerge(I) obs: 0.21 / Net I/σ(I): 20.1
Reflection shellResolution: 2.3→2.4 Å / Redundancy: 3.3 % / Rmerge(I) obs: 0.05 / Mean I/σ(I) obs: 4.8 / % possible all: 100

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Processing

Software
NameVersionClassification
CrystalCleardata collection
PHASERphasing
REFMAC5.2.0019refinement
HKL-2000data reduction
HKL-2000data scaling
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 3fgn

3fgn


Resolution: 2.3→35 Å / Cor.coef. Fo:Fc: 0.945 / Cor.coef. Fo:Fc free: 0.923 / SU B: 7.644 / SU ML: 0.188 / Cross valid method: THROUGHOUT / ESU R: 0.373 / ESU R Free: 0.256 / Stereochemistry target values: MAXIMUM LIKELIHOOD
RfactorNum. reflection% reflectionSelection details
Rfree0.25993 1980 5 %RANDOM
Rwork0.20505 ---
obs0.2078 37482 99.85 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.4 Å / Solvent model: MASK
Displacement parametersBiso mean: 37.023 Å2
Baniso -1Baniso -2Baniso -3
1-1.96 Å20 Å20 Å2
2--0.31 Å20 Å2
3----2.28 Å2
Refinement stepCycle: LAST / Resolution: 2.3→35 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms6346 0 89 186 6621
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0120.0226508
X-RAY DIFFRACTIONr_bond_other_d
X-RAY DIFFRACTIONr_angle_refined_deg1.521.9918898
X-RAY DIFFRACTIONr_angle_other_deg
X-RAY DIFFRACTIONr_dihedral_angle_1_deg6.495905
X-RAY DIFFRACTIONr_dihedral_angle_2_deg35.86423.301206
X-RAY DIFFRACTIONr_dihedral_angle_3_deg20.57115934
X-RAY DIFFRACTIONr_dihedral_angle_4_deg18.3661553
X-RAY DIFFRACTIONr_chiral_restr0.0990.21113
X-RAY DIFFRACTIONr_gen_planes_refined0.0050.024810
X-RAY DIFFRACTIONr_gen_planes_other
X-RAY DIFFRACTIONr_nbd_refined0.2350.32861
X-RAY DIFFRACTIONr_nbd_other
X-RAY DIFFRACTIONr_nbtor_refined0.3140.54398
X-RAY DIFFRACTIONr_nbtor_other
X-RAY DIFFRACTIONr_xyhbond_nbd_refined0.1970.5519
X-RAY DIFFRACTIONr_xyhbond_nbd_other
X-RAY DIFFRACTIONr_metal_ion_refined0.0940.55
X-RAY DIFFRACTIONr_metal_ion_other
X-RAY DIFFRACTIONr_symmetry_vdw_refined0.2610.375
X-RAY DIFFRACTIONr_symmetry_vdw_other
X-RAY DIFFRACTIONr_symmetry_hbond_refined0.1880.516
X-RAY DIFFRACTIONr_symmetry_hbond_other
X-RAY DIFFRACTIONr_symmetry_metal_ion_refined
X-RAY DIFFRACTIONr_symmetry_metal_ion_other
X-RAY DIFFRACTIONr_mcbond_it3.01154576
X-RAY DIFFRACTIONr_mcbond_other
X-RAY DIFFRACTIONr_mcangle_it4.36677112
X-RAY DIFFRACTIONr_scbond_it6.10992084
X-RAY DIFFRACTIONr_scangle_it7.978111786
X-RAY DIFFRACTIONr_rigid_bond_restr
X-RAY DIFFRACTIONr_sphericity_free
X-RAY DIFFRACTIONr_sphericity_bonded
LS refinement shellResolution: 2.301→2.361 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.371 154 -
Rwork0.271 2645 -
obs--99.04 %

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