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- PDB-4rhx: Structures of Mycobacterium tuberculosis 6-oxopurine phosphoribos... -

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Basic information

Entry
Database: PDB / ID: 4rhx
TitleStructures of Mycobacterium tuberculosis 6-oxopurine phosphoribosyltransferase which is a potential target for drug development against this disease
ComponentsHypoxanthine-guanine phosphoribosyltransferase
Keywordstransferase/transferase inhibitor / 6-oxopurine phosphoribosyltransferase / Cytoplasmic / transferase-transferase inhibitor complex
Function / homology
Function and homology information


IMP biosynthetic process / purine-containing compound salvage / hypoxanthine phosphoribosyltransferase / guanine salvage / hypoxanthine metabolic process / guanine phosphoribosyltransferase activity / hypoxanthine phosphoribosyltransferase activity / GMP salvage / IMP salvage / GMP biosynthetic process ...IMP biosynthetic process / purine-containing compound salvage / hypoxanthine phosphoribosyltransferase / guanine salvage / hypoxanthine metabolic process / guanine phosphoribosyltransferase activity / hypoxanthine phosphoribosyltransferase activity / GMP salvage / IMP salvage / GMP biosynthetic process / purine ribonucleoside salvage / nucleotide binding / magnesium ion binding / metal ion binding / cytoplasm / cytosol
Similarity search - Function
Hypoxanthine phosphoribosyl transferase / Purine/pyrimidine phosphoribosyl transferases signature. / Rossmann fold - #2020 / Phosphoribosyl transferase domain / Phosphoribosyltransferase-like / Phosphoribosyltransferase domain / Rossmann fold / 3-Layer(aba) Sandwich / Alpha Beta
Similarity search - Domain/homology
Chem-3QF / Hypoxanthine phosphoribosyltransferase / Hypoxanthine-guanine phosphoribosyltransferase
Similarity search - Component
Biological speciesMycobacterium tuberculosis (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.0322 Å
AuthorsEng, W.S. / Hockova, D. / Spacek, P. / West, N.P. / Woods, K. / Naesens, L.M.J. / Keough, D.T. / Guddat, L.W.
CitationJournal: J.Med.Chem. / Year: 2015
Title: First Crystal Structures of Mycobacterium tuberculosis 6-Oxopurine Phosphoribosyltransferase: Complexes with GMP and Pyrophosphate and with Acyclic Nucleoside Phosphonates Whose Prodrugs Have ...Title: First Crystal Structures of Mycobacterium tuberculosis 6-Oxopurine Phosphoribosyltransferase: Complexes with GMP and Pyrophosphate and with Acyclic Nucleoside Phosphonates Whose Prodrugs Have Antituberculosis Activity.
Authors: Eng, W.S. / Hockova, D. / Spacek, P. / Janeba, Z. / West, N.P. / Woods, K. / Naesens, L.M. / Keough, D.T. / Guddat, L.W.
History
DepositionOct 3, 2014Deposition site: RCSB / Processing site: RCSB
Revision 1.0May 20, 2015Provider: repository / Type: Initial release
Revision 1.1Jun 24, 2015Group: Database references
Revision 1.2Feb 28, 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 / 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_asym_id / _pdbx_struct_conn_angle.ptnr1_auth_comp_id / _pdbx_struct_conn_angle.ptnr1_auth_seq_id / _pdbx_struct_conn_angle.ptnr1_label_alt_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.ptnr2_auth_asym_id / _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.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.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_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: Hypoxanthine-guanine phosphoribosyltransferase
B: Hypoxanthine-guanine phosphoribosyltransferase
C: Hypoxanthine-guanine phosphoribosyltransferase
D: Hypoxanthine-guanine phosphoribosyltransferase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)90,74016
Polymers88,5644
Non-polymers2,17612
Water9,944552
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
2
A: Hypoxanthine-guanine phosphoribosyltransferase
B: Hypoxanthine-guanine phosphoribosyltransferase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)45,3708
Polymers44,2822
Non-polymers1,0886
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area3170 Å2
ΔGint-42 kcal/mol
Surface area15550 Å2
MethodPISA
3
C: Hypoxanthine-guanine phosphoribosyltransferase
D: Hypoxanthine-guanine phosphoribosyltransferase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)45,3708
Polymers44,2822
Non-polymers1,0886
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area2900 Å2
ΔGint-40 kcal/mol
Surface area15050 Å2
MethodPISA
Unit cell
Length a, b, c (Å)53.439, 85.723, 88.139
Angle α, β, γ (deg.)90.00, 98.77, 90.00
Int Tables number4
Space group name H-MP1211

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Components

#1: Protein
Hypoxanthine-guanine phosphoribosyltransferase


Mass: 22140.918 Da / Num. of mol.: 4 / Source method: obtained synthetically
Details: This sequence occurs naturally in Mycobacterium tuberculosis
Source: (synth.) Mycobacterium tuberculosis (bacteria) / References: UniProt: A5U8U8, UniProt: P9WHQ9*PLUS
#2: Chemical
ChemComp-3QF / [2-([2-(2-amino-6-oxo-1,6-dihydro-9H-purin-9-yl)ethyl]{2-[(2-oxoethyl)(2-phosphonoethyl)amino]ethyl}amino)ethyl]phosphonic acid


Mass: 495.365 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: C15H27N7O8P2
#3: Chemical
ChemComp-MG / MAGNESIUM ION


Mass: 24.305 Da / Num. of mol.: 8 / Source method: obtained synthetically / Formula: Mg
#4: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 552 / 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: 2.25 Å3/Da / Density % sol: 45.4 %
Crystal growTemperature: 291 K / Method: vapor diffusion, hanging drop / pH: 8.5
Details: 20% PEG8000, 0.1M Tris-HCl pH8.5, 0.2M MgCl2, VAPOR DIFFUSION, HANGING DROP, temperature 291K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: Australian Synchrotron / Beamline: MX2 / Wavelength: 0.95369 Å
DetectorType: ADSC QUANTUM 270 / Detector: CCD / Date: Feb 25, 2014
RadiationMonochromator: None / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.95369 Å / Relative weight: 1
ReflectionResolution: 2.03→48.56 Å / Num. all: 50489 / Num. obs: 50489 / % possible obs: 100 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0

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Processing

Software
NameVersionClassification
ADSCQuantumdata collection
PHASESphasing
PHENIX(phenix.refine: 1.9_1692)refinement
XDSdata reduction
SCALAdata scaling
RefinementMethod to determine structure: MOLECULAR REPLACEMENT / Resolution: 2.0322→44.966 Å / SU ML: 0.22 / σ(F): 1.34 / Phase error: 22.83 / Stereochemistry target values: MLHL
RfactorNum. reflection% reflectionSelection details
Rfree0.2261 1999 3.96 %Random
Rwork0.1867 ---
all0.1887 50461 --
obs0.1882 50461 99.56 %-
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL
Refinement stepCycle: LAST / Resolution: 2.0322→44.966 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms5568 0 136 552 6256
Refine LS restraints
Refine-IDTypeDev idealNumber
X-RAY DIFFRACTIONf_bond_d0.0035999
X-RAY DIFFRACTIONf_angle_d0.6578110
X-RAY DIFFRACTIONf_dihedral_angle_d14.142306
X-RAY DIFFRACTIONf_chiral_restr0.024919
X-RAY DIFFRACTIONf_plane_restr0.0031005
LS refinement shell
Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkRefine-ID% reflection obs (%)
2.0322-2.0830.29371360.26323278X-RAY DIFFRACTION94
2.083-2.13940.28761440.24153494X-RAY DIFFRACTION100
2.1394-2.20230.28171400.24743426X-RAY DIFFRACTION100
2.2023-2.27340.39591420.31683437X-RAY DIFFRACTION100
2.2734-2.35460.28861430.23543466X-RAY DIFFRACTION100
2.3546-2.44890.25941440.20763494X-RAY DIFFRACTION100
2.4489-2.56040.2431430.19393453X-RAY DIFFRACTION100
2.5604-2.69530.22431420.19653438X-RAY DIFFRACTION100
2.6953-2.86420.21961430.19753493X-RAY DIFFRACTION100
2.8642-3.08530.2291440.19013467X-RAY DIFFRACTION100
3.0853-3.39570.22531430.17863480X-RAY DIFFRACTION100
3.3957-3.88680.1881440.15753483X-RAY DIFFRACTION100
3.8868-4.8960.1771450.1343519X-RAY DIFFRACTION100
4.896-44.97660.18021460.15253534X-RAY DIFFRACTION100
Refinement TLS params.

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

IDL112)L122)L132)L222)L232)L332)S11 (Å °)S12 (Å °)S13 (Å °)S21 (Å °)S22 (Å °)S23 (Å °)S31 (Å °)S32 (Å °)S33 (Å °)T112)T122)T132)T222)T232)T332)Origin x (Å)Origin y (Å)Origin z (Å)
14.6556-5.1168-0.63697.9146-1.02351.4646-0.1347-0.67890.1541.12040.4426-1.25810.14720.7086-0.09480.60460.0731-0.21170.378-0.01490.2546-5.15637.3562141.8628
29.2717-1.51425.8643.8935-1.95754.98910.0157-0.05190.23170.5765-0.26980.47640.2443-0.33690.0060.27160.00420.09660.10390.00040.2339-24.87969.928130.4089
35.04420.12452.16592.40260.39964.38650.09020.0631-0.02740.0025-0.06030.13070.2689-0.2108-0.02820.1669-0.0057-0.00020.09510.01780.1809-22.17043.8411118.7766
43.41391.7623-5.29662.0275-1.71249.12220.2739-0.3219-0.20740.1212-0.1325-0.6164-0.80030.9383-0.18870.21650.010.00610.29580.05050.29141.792212.2366114.8345
54.52010.56220.12440.8611-0.08422.0396-0.00350.2769-0.1703-0.1145-0.0254-0.01030.07890.04880.01440.16080.02430.01430.15190.02890.1805-11.83319.8516112.188
61.46010.72212.32333.85892.495.5802-0.1760.12810.2173-0.18190.14540.0514-0.4498-0.07220.04130.13660.01790.02240.13350.04110.1747-16.020217.4243119.3486
79.4536.5685-5.83618.4677-4.37173.81440.01170.49150.5772-0.30020.22380.3453-0.2742-0.3181-0.13350.1690.03860.01020.09410.03740.1973-17.909119.0897121.8293
88.7415-1.8141-0.58246.97791.26334.2207-0.0706-0.1165-0.04190.46340.135-0.4679-0.13730.434-0.08010.2-0.0097-0.03930.16020.01550.0896-4.49379.6108132.0771
94.6913-0.06052.25937.4081.89897.6275-0.2968-0.48970.06690.80190.8996-1.5626-0.6541.3021-0.4050.4375-0.0085-0.07230.417-0.15080.4384-1.79349.9545138.657
104.52480.93420.51361.84450.23232.60070.0434-0.34550.06440.2854-0.0926-0.1130.14070.04690.06660.23630.0219-0.0170.1046-0.01480.1612-13.226-8.7994130.2598
118.21030.29237.49884.2698-1.88267.9599-0.68171.26960.2943-0.4860.5357-0.0827-0.7060.99690.18630.3332-0.07320.01380.58970.00040.4022-0.4817-7.7887116.3114
126.64162.70860.42633.53340.92122.1767-0.16870.1808-0.3297-0.07260.2436-0.55270.2990.446-0.08720.24280.0723-0.01530.1802-0.01550.2606-3.3525-16.23121.4821
133.1052-0.25051.1723.2482-0.80184.1054-0.06720.1025-0.159-0.13410.0232-0.07940.3379-0.1720.03410.1755-0.04080.0330.11-0.02190.133-21.7176-16.2335119.9811
145.77810.08432.43033.3412-0.11484.67640.4806-0.2014-0.4613-0.1232-0.1519-0.18010.66010.5105-0.3650.21850.06710.03550.32590.02750.169615.617314.064780.9189
154.3358-0.84131.80372.8728-0.11632.74680.0062-0.12110.18580.0844-0.1674-0.2379-0.24430.79790.13610.1647-0.05470.0290.46330.0590.219717.613423.41888.6934
168.7024-0.22621.22061.84311.65851.6779-0.2251-0.45260.91640.0797-0.2889-0.1624-1.58910.68960.49290.7488-0.326-0.09350.50830.04990.448318.836936.934985.8801
174.60921.41781.64733.09330.22950.83510.15340.21990.306-0.1107-0.2437-0.1528-0.49871.40820.09430.3305-0.19320.06350.73610.08580.267322.779829.285878.471
181.0952-0.21340.74562.56880.28410.61260.44760.91890.8493-0.8252-0.0018-1.2993-0.38671.8424-0.38370.4940.00560.29771.1790.04160.470824.32323.257871.049
196.8896-1.72432.94543.8286-0.73186.15520.2990.1191-0.2252-0.40020.00240.20290.4512-0.0272-0.30180.2133-0.0032-0.06430.1730.02960.17373.462420.935471.3146
205.7298-2.26352.6743.9697-1.52415.10890.28910.2473-0.2976-0.15320.0060.3570.4646-0.1766-0.30230.1639-0.01130.04290.24180.04650.16660.740114.48695.6223
213.08631.98741.58864.161.74184.650.06560.17450.0653-0.2381-0.0327-0.0505-0.2662-0.191-0.02760.14030.0310.03880.29610.05540.17070.747824.074288.0394
227.91031.92365.24524.8922-1.12518.2689-0.52620.65230.8697-0.49320.237-0.1683-1.53470.43920.30680.6469-0.01460.15910.28330.08140.42851.405737.624390.415
231.782-0.2561-1.21471.8836-0.3343.77340.2271-0.00020.20310.082-0.11970.0488-0.56190.0587-0.08540.1962-0.01940.01630.20950.02840.21110.167127.2371101.6358
244.8487-1.0696-0.28098.0085-1.01682.107-0.0519-0.40470.2710.99620.1457-0.34550.3720.9710.09110.1830.0126-0.02180.53290.06310.261916.990818.9599105.5206
Refinement TLS group
IDRefine-IDRefine TLS-IDSelection details
1X-RAY DIFFRACTION1chain 'A' and (resid 17 through 29 )
2X-RAY DIFFRACTION2chain 'A' and (resid 30 through 47 )
3X-RAY DIFFRACTION3chain 'A' and (resid 48 through 88 )
4X-RAY DIFFRACTION4chain 'A' and (resid 89 through 102 )
5X-RAY DIFFRACTION5chain 'A' and (resid 103 through 141 )
6X-RAY DIFFRACTION6chain 'A' and (resid 142 through 159 )
7X-RAY DIFFRACTION7chain 'A' and (resid 160 through 169 )
8X-RAY DIFFRACTION8chain 'A' and (resid 170 through 189 )
9X-RAY DIFFRACTION9chain 'A' and (resid 190 through 201 )
10X-RAY DIFFRACTION10chain 'B' and (resid 16 through 88 )
11X-RAY DIFFRACTION11chain 'B' and (resid 89 through 116 )
12X-RAY DIFFRACTION12chain 'B' and (resid 117 through 151 )
13X-RAY DIFFRACTION13chain 'B' and (resid 152 through 202 )
14X-RAY DIFFRACTION14chain 'C' and (resid 16 through 55 )
15X-RAY DIFFRACTION15chain 'C' and (resid 56 through 88 )
16X-RAY DIFFRACTION16chain 'C' and (resid 89 through 116 )
17X-RAY DIFFRACTION17chain 'C' and (resid 117 through 154 )
18X-RAY DIFFRACTION18chain 'C' and (resid 155 through 168 )
19X-RAY DIFFRACTION19chain 'C' and (resid 169 through 202 )
20X-RAY DIFFRACTION20chain 'D' and (resid 18 through 55 )
21X-RAY DIFFRACTION21chain 'D' and (resid 56 through 88 )
22X-RAY DIFFRACTION22chain 'D' and (resid 89 through 116 )
23X-RAY DIFFRACTION23chain 'D' and (resid 117 through 186 )
24X-RAY DIFFRACTION24chain 'D' and (resid 187 through 201 )

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