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- PDB-2c97: LUMAZINE SYNTHASE FROM MYCOBACTERIUM TUBERCULOSIS BOUND TO 4-(6- ... -

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Basic information

Entry
Database: PDB / ID: 2c97
TitleLUMAZINE SYNTHASE FROM MYCOBACTERIUM TUBERCULOSIS BOUND TO 4-(6- chloro-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)butyl phosphate
Components6,7-DIMETHYL-8-RIBITYLLUMAZINE SYNTHASE
KeywordsTRANSFERASE / RIBOFLAVIN BIOSYNTHESIS / INHIBITOR BINDING
Function / homology
Function and homology information


6,7-dimethyl-8-ribityllumazine synthase / 6,7-dimethyl-8-ribityllumazine synthase activity / riboflavin synthase complex / riboflavin biosynthetic process / cytoplasm / cytosol
Similarity search - Function
Lumazine/riboflavin synthase / Lumazine synthase / Lumazine/riboflavin synthase / Lumazine/riboflavin synthase superfamily / 6,7-dimethyl-8-ribityllumazine synthase / Rossmann fold / 3-Layer(aba) Sandwich / Alpha Beta
Similarity search - Domain/homology
ACETATE ION / DITHIANE DIOL / Chem-JCL / : / 6,7-dimethyl-8-ribityllumazine synthase / 6,7-dimethyl-8-ribityllumazine synthase
Similarity search - Component
Biological speciesMYCOBACTERIUM TUBERCULOSIS (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2 Å
AuthorsMorgunova, E. / Illarionov, B. / Jin, G. / Haase, I. / Fischer, M. / Cushman, M. / Bacher, A. / Ladenstein, R.
CitationJournal: FEBS J. / Year: 2006
Title: Structural and Thermodynamic Insights Into the Binding Mode of Five Novel Inhibitors of Lumazine Synthase from Mycobacterium Tuberculosis.
Authors: Morgunova, E. / Illarionov, B. / Sambaiah, T. / Haase, I. / Bacher, A. / Cushman, M. / Fischer, M. / Ladenstein, R.
History
DepositionDec 9, 2005Deposition site: PDBE / Processing site: PDBE
Revision 1.0Dec 13, 2006Provider: repository / Type: Initial release
Revision 1.1Jul 13, 2011Group: Advisory / Version format compliance
Revision 1.2Apr 10, 2019Group: Data collection / Derived calculations ...Data collection / Derived calculations / Other / Source and taxonomy
Category: entity_src_gen / pdbx_database_proc ...entity_src_gen / pdbx_database_proc / pdbx_database_status / pdbx_struct_special_symmetry / struct_conn
Item: _entity_src_gen.pdbx_host_org_cell_line / _entity_src_gen.pdbx_host_org_variant ..._entity_src_gen.pdbx_host_org_cell_line / _entity_src_gen.pdbx_host_org_variant / _pdbx_database_status.recvd_author_approval / _struct_conn.pdbx_leaving_atom_flag
Revision 1.3Jul 24, 2019Group: Data collection / Category: diffrn_source / Item: _diffrn_source.pdbx_synchrotron_site
Revision 1.4Dec 13, 2023Group: Data collection / Database references ...Data collection / Database references / Derived calculations / Other / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_database_status / pdbx_initial_refinement_model / pdbx_struct_conn_angle / struct_conn / struct_conn_type / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _pdbx_database_status.status_code_sf / _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_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.conn_type_id / _struct_conn.id / _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.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_label_seq_id / _struct_conn.ptnr2_symmetry / _struct_conn_type.id / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id
Revision 1.5Oct 1, 2025Group: Advisory / Derived calculations / Structure summary
Category: database_PDB_caveat / pdbx_entry_details ...database_PDB_caveat / pdbx_entry_details / pdbx_validate_close_contact / struct_conn / struct_conn_type

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: 6,7-DIMETHYL-8-RIBITYLLUMAZINE SYNTHASE
B: 6,7-DIMETHYL-8-RIBITYLLUMAZINE SYNTHASE
C: 6,7-DIMETHYL-8-RIBITYLLUMAZINE SYNTHASE
D: 6,7-DIMETHYL-8-RIBITYLLUMAZINE SYNTHASE
E: 6,7-DIMETHYL-8-RIBITYLLUMAZINE SYNTHASE
hetero molecules


Theoretical massNumber of molelcules
Total (without water)85,21338
Polymers81,9385
Non-polymers3,27533
Water9,404522
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area51930 Å2
ΔGint-323.5 kcal/mol
Surface area44080 Å2
MethodPISA
Unit cell
Length a, b, c (Å)131.640, 82.244, 86.346
Angle α, β, γ (deg.)90.00, 120.53, 90.00
Int Tables number5
Space group name H-MC121
Components on special symmetry positions
IDModelComponents
11A-1163-

K

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Components

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Protein , 1 types, 5 molecules ABCDE

#1: Protein
6,7-DIMETHYL-8-RIBITYLLUMAZINE SYNTHASE / DMRL SYNTHASE / LUMAZINE SYNTHASE / RIBOFLAVIN SYNTHASE BETA CHAIN


Mass: 16387.559 Da / Num. of mol.: 5
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) MYCOBACTERIUM TUBERCULOSIS (bacteria) / Plasmid: PNCO-MT-LS / Production host: ESCHERICHIA COLI (E. coli) / Variant (production host): XL1-BLUE
References: UniProt: P66034, UniProt: P9WHE9*PLUS, riboflavin synthase

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Non-polymers , 6 types, 555 molecules

#2: Chemical
ChemComp-JCL / 4-(6-CHLORO-2,4-DIOXO-1,2,3,4-TETRAHYDROPYRIMIDIN-5-YL) BUTYL PHOSPHATE


Mass: 298.617 Da / Num. of mol.: 5 / Source method: obtained synthetically / Formula: C8H12ClN2O6P
#3: Chemical
ChemComp-K / POTASSIUM ION


Mass: 39.098 Da / Num. of mol.: 16 / Source method: obtained synthetically / Formula: K
#4: Chemical
ChemComp-ACT / ACETATE ION


Mass: 59.044 Da / Num. of mol.: 5 / Source method: obtained synthetically / Formula: C2H3O2
#5: Chemical
ChemComp-MPD / (4S)-2-METHYL-2,4-PENTANEDIOL


Mass: 118.174 Da / Num. of mol.: 6 / Source method: obtained synthetically / Formula: C6H14O2 / Comment: precipitant*YM
#6: Chemical ChemComp-DTD / DITHIANE DIOL


Mass: 152.235 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C4H8O2S2
#7: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 522 / Source method: isolated from a natural source / Formula: H2O

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Details

Has protein modificationN

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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: 2.5 Å3/Da / Density % sol: 48 %
Crystal growpH: 6.4 / Details: pH 6.40

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: EMBL/DESY, HAMBURG / Beamline: BW7B / Wavelength: 0.85
DetectorType: MARRESEACH / Detector: IMAGE PLATE / Date: Jul 16, 2005 / Details: MIRRORS
RadiationMonochromator: TRIANGULAR MONOCHROMATOR / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.85 Å / Relative weight: 1
ReflectionResolution: 2→20 Å / Num. obs: 51716 / % possible obs: 96.5 % / Observed criterion σ(I): 1 / Redundancy: 3.4 % / Biso Wilson estimate: 31.8 Å2 / Rmerge(I) obs: 0.11 / Net I/σ(I): 8.2
Reflection shellResolution: 2→2.02 Å / Redundancy: 2.2 % / Rmerge(I) obs: 0.52 / Mean I/σ(I) obs: 1.62 / % possible all: 71.7

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Processing

Software
NameVersionClassification
REFMAC5.2.0005refinement
DENZOdata reduction
SCALEPACKdata scaling
MOLREPphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 1W19

1w19


Resolution: 2→15 Å / Cor.coef. Fo:Fc: 0.962 / Cor.coef. Fo:Fc free: 0.912 / SU B: 14.473 / SU ML: 0.173 / TLS residual ADP flag: LIKELY RESIDUAL / Cross valid method: THROUGHOUT / ESU R: 0.638 / ESU R Free: 0.263 / Stereochemistry target values: MAXIMUM LIKELIHOOD
Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS. RESIDUES 1-13 ARE DISORDERED
RfactorNum. reflection% reflectionSelection details
Rfree0.215 1383 5 %RANDOM
Rwork0.146 ---
obs0.15 26051 96.5 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK
Displacement parametersBiso mean: 27.41 Å2
Baniso -1Baniso -2Baniso -3
1--2.02 Å20 Å2-2.02 Å2
2--0.92 Å20 Å2
3----0.95 Å2
Refinement stepCycle: LAST / Resolution: 2→15 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms5294 0 182 522 5998
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0110.0215510
X-RAY DIFFRACTIONr_bond_other_d
X-RAY DIFFRACTIONr_angle_refined_deg1.4091.9917526
X-RAY DIFFRACTIONr_angle_other_deg
X-RAY DIFFRACTIONr_dihedral_angle_1_deg5.1715728
X-RAY DIFFRACTIONr_dihedral_angle_2_deg30.99923.842203
X-RAY DIFFRACTIONr_dihedral_angle_3_deg14.38615828
X-RAY DIFFRACTIONr_dihedral_angle_4_deg17.0511545
X-RAY DIFFRACTIONr_chiral_restr0.0880.2937
X-RAY DIFFRACTIONr_gen_planes_refined0.0040.024044
X-RAY DIFFRACTIONr_gen_planes_other
X-RAY DIFFRACTIONr_nbd_refined0.2340.22744
X-RAY DIFFRACTIONr_nbd_other
X-RAY DIFFRACTIONr_nbtor_refined0.2990.23762
X-RAY DIFFRACTIONr_nbtor_other
X-RAY DIFFRACTIONr_xyhbond_nbd_refined0.1590.2484
X-RAY DIFFRACTIONr_xyhbond_nbd_other
X-RAY DIFFRACTIONr_metal_ion_refined
X-RAY DIFFRACTIONr_metal_ion_other
X-RAY DIFFRACTIONr_symmetry_vdw_refined0.260.2110
X-RAY DIFFRACTIONr_symmetry_vdw_other
X-RAY DIFFRACTIONr_symmetry_hbond_refined0.2010.231
X-RAY DIFFRACTIONr_symmetry_hbond_other
X-RAY DIFFRACTIONr_symmetry_metal_ion_refined
X-RAY DIFFRACTIONr_symmetry_metal_ion_other
X-RAY DIFFRACTIONr_mcbond_it0.5091.53640
X-RAY DIFFRACTIONr_mcbond_other
X-RAY DIFFRACTIONr_mcangle_it1.00725809
X-RAY DIFFRACTIONr_mcangle_other
X-RAY DIFFRACTIONr_scbond_it1.78931880
X-RAY DIFFRACTIONr_scbond_other
X-RAY DIFFRACTIONr_scangle_it3.1134.51714
X-RAY DIFFRACTIONr_scangle_other
X-RAY DIFFRACTIONr_long_range_B_refined
X-RAY DIFFRACTIONr_long_range_B_other
X-RAY DIFFRACTIONr_rigid_bond_restr
X-RAY DIFFRACTIONr_sphericity_free
X-RAY DIFFRACTIONr_sphericity_bonded
LS refinement shellResolution: 2.5→2.56 Å / Total num. of bins used: 20 /
RfactorNum. reflection
Rfree0.265 92
Rwork0.183 1841
Refinement TLS params.

Method: refined / Refine-ID: X-RAY DIFFRACTION

IDL11 (°2)L12 (°2)L13 (°2)L22 (°2)L23 (°2)L33 (°2)S11 (Å °)S12 (Å °)S13 (Å °)S21 (Å °)S22 (Å °)S23 (Å °)S31 (Å °)S32 (Å °)S33 (Å °)T11 (Å2)T12 (Å2)T13 (Å2)T22 (Å2)T23 (Å2)T33 (Å2)Origin x (Å)Origin y (Å)Origin z (Å)
12.45340.4304-0.5691.42140.35031.6777-0.01930.2011-0.0802-0.17010.03550.07720.0605-0.1307-0.0162-0.13780.0073-0.0155-0.1507-0.0348-0.1605-25.2293-12.749813.1555
21.5852-0.2815-0.28281.06640.24822.2879-0.00920.22250.1951-0.07780.02440.0948-0.3167-0.0785-0.0152-0.07040.009-0.0355-0.12120.0435-0.1438-26.35711.103312.49
32.3705-0.2732-0.79221.49770.09582.69690.02270.08560.4419-0.07250.0189-0.125-0.34950.2298-0.0416-0.0378-0.0841-0.0206-0.13870.0487-0.07-7.596819.904324.5654
42.05040.4885-0.19961.4206-0.02642.6623-0.03590.01180.00870.03370.0267-0.2337-0.03540.36360.0091-0.1743-0.043-0.014-0.10330.0199-0.10185.16731.181432.7771
52.07970.0981-0.21321.422-0.64972.23480.01310.1066-0.2241-0.059-0.0125-0.06750.23610.1826-0.0006-0.16810.0295-0.0015-0.1367-0.0312-0.1097-5.7541-19.109625.6613
Refinement TLS group
IDRefine-IDRefine TLS-IDAuth asym-IDAuth seq-ID
1X-RAY DIFFRACTION1A15 - 160
2X-RAY DIFFRACTION1A701
3X-RAY DIFFRACTION1A1161 - 1164
4X-RAY DIFFRACTION2B15 - 160
5X-RAY DIFFRACTION2B701
6X-RAY DIFFRACTION2B1161 - 1164
7X-RAY DIFFRACTION3C15 - 160
8X-RAY DIFFRACTION3C701
9X-RAY DIFFRACTION3C1161 - 1164
10X-RAY DIFFRACTION4D15 - 160
11X-RAY DIFFRACTION4D701
12X-RAY DIFFRACTION4D1161 - 1162
13X-RAY DIFFRACTION5E15 - 160
14X-RAY DIFFRACTION5E701
15X-RAY DIFFRACTION5E1161 - 1163

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