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- PDB-5brn: Human HGPRT in complex with (S)-HPEPHx, an acyclic nucleoside pho... -

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Basic information

Entry
Database: PDB / ID: 5brn
TitleHuman HGPRT in complex with (S)-HPEPHx, an acyclic nucleoside phosphonate
ComponentsHypoxanthine-guanine phosphoribosyltransferase
KeywordsTRANSFERASE/TRANSFERASE Inhibitor / Hypoxanthine-guanine-xanthine phosphoribosyltransferase / acyclic nuclesoside phosphonates / inhibitor / TRANSFERASE-TRANSFERASE Inhibitor complex
Function / homology
Function and homology information


adenine metabolic process / Defective HPRT1 disrupts guanine and hypoxanthine salvage / GMP catabolic process / cerebral cortex neuron differentiation / hypoxanthine salvage / positive regulation of dopamine metabolic process / lymphocyte proliferation / hypoxanthine phosphoribosyltransferase / guanine salvage / hypoxanthine metabolic process ...adenine metabolic process / Defective HPRT1 disrupts guanine and hypoxanthine salvage / GMP catabolic process / cerebral cortex neuron differentiation / hypoxanthine salvage / positive regulation of dopamine metabolic process / lymphocyte proliferation / hypoxanthine phosphoribosyltransferase / guanine salvage / hypoxanthine metabolic process / IMP metabolic process / guanine phosphoribosyltransferase activity / hypoxanthine phosphoribosyltransferase activity / grooming behavior / Purine salvage / GMP salvage / IMP salvage / striatum development / AMP salvage / dopaminergic neuron differentiation / purine nucleotide biosynthetic process / purine ribonucleoside salvage / Azathioprine ADME / dendrite morphogenesis / dopamine metabolic process / central nervous system neuron development / response to amphetamine / locomotory behavior / T cell mediated cytotoxicity / protein homotetramerization / nucleotide binding / magnesium ion binding / extracellular exosome / identical protein 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-4X2 / Hypoxanthine-guanine phosphoribosyltransferase
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.3 Å
AuthorsKeough, D.T. / Guddat, L.W. / Kaiser, M.M. / Hockova, D. / Wang, T.-H. / Janeba, Z.
CitationJournal: Chemmedchem / Year: 2015
Title: Synthesis and Evaluation of Novel Acyclic Nucleoside Phosphonates as Inhibitors of Plasmodium falciparum and Human 6-Oxopurine Phosphoribosyltransferases.
Authors: Kaiser, M.M. / Hockova, D. / Wang, T.H. / Dracinsky, M. / Postova-Slavetinska, L. / Prochazkova, E. / Edstein, M.D. / Chavchich, M. / Keough, D.T. / Guddat, L.W. / Janeba, Z.
History
DepositionMay 31, 2015Deposition site: RCSB / Processing site: RCSB
Revision 1.0Oct 14, 2015Provider: repository / Type: Initial release
Revision 1.1Sep 27, 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 / diffrn_source / pdbx_initial_refinement_model / pdbx_struct_conn_angle / pdbx_struct_oper_list / struct_conn
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _diffrn_source.pdbx_synchrotron_site / _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.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.value / _pdbx_struct_oper_list.symmetry_operation / _struct_conn.pdbx_dist_value / _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

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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)99,43512
Polymers98,0654
Non-polymers1,3708
Water4,774265
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area10110 Å2
ΔGint-63 kcal/mol
Surface area29130 Å2
MethodPISA
Unit cell
Length a, b, c (Å)64.530, 94.310, 139.270
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
Hypoxanthine-guanine phosphoribosyltransferase / HGPRTase


Mass: 24516.217 Da / Num. of mol.: 4 / Mutation: C22A, C105A, C205A
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: HPRT1, HPRT / Production host: Escherichia coli (E. coli)
References: UniProt: P00492, hypoxanthine phosphoribosyltransferase
#2: Chemical
ChemComp-MG / MAGNESIUM ION


Mass: 24.305 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: Mg
#3: Chemical
ChemComp-4X2 / (2-{[(2S)-1-hydroxy-3-(6-oxo-1,6-dihydro-9H-purin-9-yl)propan-2-yl]oxy}ethyl)phosphonic acid


Mass: 318.223 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: C10H15N4O6P
#4: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 265 / 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: 42.85 %
Crystal growTemperature: 291 K / Method: vapor diffusion, hanging drop / pH: 7.4
Details: 20% PEG3000, 0.2 M calcium acetate, 0.1 M Tris-HCl pH 7.4

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: Australian Synchrotron / Beamline: MX1 / Wavelength: 0.95369 Å
DetectorType: ADSC QUANTUM 270 / Detector: CCD / Date: May 12, 2013
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.95369 Å / Relative weight: 1
ReflectionResolution: 2.3→53.3 Å / Num. obs: 37163 / % possible obs: 90.4 % / Redundancy: 4.1 % / Rmerge(I) obs: 0.065 / Net I/σ(I): 12.9

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Processing

Software
NameVersionClassification
PHENIX1.9_1692refinement
SCALAdata scaling
PHASERphasing
MOSFLMdata reduction
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 4IJQ
Resolution: 2.3→47.332 Å / SU ML: 0.34 / Cross valid method: FREE R-VALUE / σ(F): 1.34 / Phase error: 30.01 / Stereochemistry target values: ML
RfactorNum. reflection% reflection
Rfree0.2919 2000 5.39 %
Rwork0.239 --
obs0.2418 37136 96.39 %
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL
Refinement stepCycle: LAST / Resolution: 2.3→47.332 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms6127 0 88 266 6481
Refine LS restraints
Refine-IDTypeDev idealNumber
X-RAY DIFFRACTIONf_bond_d0.0026339
X-RAY DIFFRACTIONf_angle_d0.7088604
X-RAY DIFFRACTIONf_dihedral_angle_d12.6952333
X-RAY DIFFRACTIONf_chiral_restr0.024979
X-RAY DIFFRACTIONf_plane_restr0.0041090
LS refinement shell
Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkRefine-ID% reflection obs (%)
2.3-2.35750.35311310.3012307X-RAY DIFFRACTION91
2.3575-2.42130.36831320.30262302X-RAY DIFFRACTION90
2.4213-2.49250.34561340.28462350X-RAY DIFFRACTION90
2.4925-2.57290.35821320.27422344X-RAY DIFFRACTION92
2.5729-2.66490.31771370.27272404X-RAY DIFFRACTION94
2.6649-2.77160.33541420.26312482X-RAY DIFFRACTION97
2.7716-2.89770.34331440.2742532X-RAY DIFFRACTION98
2.8977-3.05050.32351450.25112557X-RAY DIFFRACTION99
3.0505-3.24150.32511480.25242595X-RAY DIFFRACTION99
3.2415-3.49170.30231470.23482587X-RAY DIFFRACTION100
3.4917-3.8430.24511480.21062611X-RAY DIFFRACTION100
3.843-4.39870.23381510.19892634X-RAY DIFFRACTION100
4.3987-5.54060.24351500.20172651X-RAY DIFFRACTION100
5.5406-47.34160.30551590.25822780X-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)
12.2031-1.0335-1.08467.6601-1.48033.15890.3184-0.61660.3820.825-0.5298-0.9126-0.3082-0.0349-0.24770.2746-0.087-0.02860.3214-0.1270.22-16.837119.5181-1.9416
20.40650.7642-0.43041.5581-0.21393.06530.0692-0.1917-0.06330.21470.1341-0.74370.27240.68760.04470.29990.0015-0.03560.42840.00780.3057-11.28254.451-3.7418
33.90150.40650.9462.4645-0.82334.42290.1322-0.62410.5287-0.1526-0.0240.2078-0.0535-0.8787-0.09960.24710.0454-0.02330.32250.00350.2188-33.745615.2023-7.0256
40.54211.12720.22393.05460.39472.9908-0.04610.27580.0990.01340.03190.350.0632-0.5427-0.05420.21740.0144-0.05260.40320.03720.29-34.58089.5008-15.9093
52.20290.47450.13961.8230.12593.32370.01340.1567-0.2022-0.0470.0330.121-0.2845-0.6802-0.07990.31720.0876-0.04030.43480.00910.2872-35.217713.0674-20.9148
65.9156-0.18140.97363.80560.3710.9476-0.87882.16140.2549-0.8410.41770.5774-1.44031.1595-0.0930.5689-0.0107-0.03970.60160.01280.3237-28.690321.1084-29.1874
71.40410.3964-0.50841.5563-0.23112.98390.12290.43570.4395-0.2905-0.04650.0724-0.7184-0.0428-0.01470.4205-0.0180.00380.31820.07380.2905-26.55222.9795-17.7933
81.2750.48720.66012.56590.61731.92440.08010.198-0.2353-0.1501-0.1363-0.87780.17910.7601-0.01550.15150.07640.07980.43360.0360.3378-12.63858.9176-12.9986
91.3290.40640.04752.68480.74253.2132-0.29210.2051-0.14820.4056-0.06860.02750.7732-0.71940.04310.5788-0.14820.05630.3999-0.05190.3446-39.1154-19.7045-0.3345
100.72621.29410.54582.17210.81122.9226-0.05240.03320.0222-0.06980.02910.25760.0441-0.7008-0.03590.2858-0.01790.00810.52140.02510.2868-46.98790.50877.0565
111.7551-0.1459-0.36761.7579-1.19093.95260.09990.05750.1147-0.0151-0.0141-0.1586-0.18230.2008-0.00530.3456-0.05080.00160.3548-0.05110.333-41.17793.39756.4129
121.22391.0901-0.49342.0651-0.27542.56760.0283-0.19080.0250.54340.11350.3606-0.1602-0.6427-0.05810.4202-0.02770.14040.5964-0.01510.4053-50.0746-0.717317.8439
131.511-0.8858-0.64482.8138-0.23562.5515-0.1447-0.177-0.48760.2862-0.03770.36640.7826-0.41550.06230.583-0.2550.0560.50710.02060.3934-43.1964-17.70459.9617
142.77031.73960.28582.2610.29993.93260.09160.00340.3138-0.3187-0.2406-0.2836-0.18210.39140.04180.2685-0.1117-0.00550.40290.10910.3067-17.505617.12748.8477
153.70240.5271-3.44372.1435-0.48185.63060.4770.61260.82161.1145-0.06380.8143-0.9267-1.31610.10820.53580.0080.05450.42990.06760.4662-32.345420.8976.9204
161.45960.1541-2.0831.7998-0.43992.79630.1948-0.1251-0.35040.1907-0.1401-0.18240.32410.5790.10270.3435-0.0131-0.0790.31520.03850.3251-22.1622-3.239911.2915
171.91961.50150.34471.9802-0.24534.762-0.0033-0.0387-0.2378-0.02090.09710.19540.2811-0.15060.06520.29950.0032-0.05760.26870.05970.2622-27.0595-7.76529.5978
183.0182-0.63820.84772.30610.2963.74030.0368-0.3074-0.27480.6573-0.015-0.05180.3109-0.13840.06560.4475-0.0216-0.00010.51680.05080.3009-23.3977-3.864926.8675
191.98941.4044-0.351.3224-1.29082.86630.0109-0.2270.15730.3329-0.0347-0.2354-0.40750.55390.04730.385-0.0375-0.0890.47040.03250.2475-16.96235.296520.609
202.1676-1.3471-1.71771.9692-0.60323.3689-0.0514-0.14230.24270.35560.2264-0.0404-0.5745-0.3839-0.05790.2846-0.0149-0.00090.31360.02120.2219-31.091616.407117.0592
212.46410.08771.19292.4511-2.0524.436-0.04580.4855-0.2907-0.5179-0.38680.67381.1588-0.3862-0.23230.624-0.3910.0050.6142-0.15820.4121-45.9436-17.2967-13.0701
221.30430.4931-0.00990.8392-0.57932.02320.29990.66690.0226-0.3037-0.15440.6590.07-1.4965-0.0830.3767-0.0044-0.07490.8440.0280.3912-51.0626-2.0916-12.3986
232.1783-0.2716-1.02881.43190.73643.2576-0.14880.3125-0.63190.06730.01220.03290.7359-0.13080.09160.476-0.03220.01550.2874-0.04130.2892-26.049-9.9364-14.2921
241.92371.0476-0.26042.6926-0.04735.9278-0.46590.28960.2512-0.1534-0.0617-0.1522-0.3695-0.13520.09030.26970.01580.02460.2665-0.05990.2371-26.4865-4.1068-12.1606
251.31870.2425-0.53052.229-0.40532.7944-0.03160.3150.1191-0.5878-0.2662-0.27480.38160.15210.00790.3740.05980.05120.2959-0.04970.2952-21.4805-6.7165-22.1367
264.4586-0.63550.0912.3571-0.79282.4347-0.23991.1118-0.8653-1.09870.30660.03490.38370.17740.23950.86960.16960.04050.5832-0.15980.323-23.9272-12.883-32.7898
270.23180.1553-0.69831.1818-0.85811.7391-0.31711.0556-1.0485-0.07940.0422-0.09991.2919-0.5976-0.020.6963-0.11870.03410.5868-0.15830.4144-30.3866-16.8394-23.9983
282.03960.0639-0.17521.04520.01311.26010.16270.6560.2285-0.40620.14790.44590.5182-1.05120.02790.4262-0.1224-0.0660.75910.020.4051-46.2762-3.6266-21.4731
Refinement TLS group
IDRefine-IDRefine TLS-IDSelection details
1X-RAY DIFFRACTION1chain 'A' and (resid 4 through 17 )
2X-RAY DIFFRACTION2chain 'A' and (resid 18 through 37 )
3X-RAY DIFFRACTION3chain 'A' and (resid 38 through 56 )
4X-RAY DIFFRACTION4chain 'A' and (resid 57 through 85 )
5X-RAY DIFFRACTION5chain 'A' and (resid 86 through 139 )
6X-RAY DIFFRACTION6chain 'A' and (resid 140 through 152 )
7X-RAY DIFFRACTION7chain 'A' and (resid 153 through 179 )
8X-RAY DIFFRACTION8chain 'A' and (resid 180 through 216 )
9X-RAY DIFFRACTION9chain 'B' and (resid 4 through 37 )
10X-RAY DIFFRACTION10chain 'B' and (resid 38 through 70 )
11X-RAY DIFFRACTION11chain 'B' and (resid 71 through 87 )
12X-RAY DIFFRACTION12chain 'B' and (resid 88 through 165 )
13X-RAY DIFFRACTION13chain 'B' and (resid 166 through 217 )
14X-RAY DIFFRACTION14chain 'C' and (resid 6 through 17 )
15X-RAY DIFFRACTION15chain 'C' and (resid 18 through 37 )
16X-RAY DIFFRACTION16chain 'C' and (resid 38 through 70 )
17X-RAY DIFFRACTION17chain 'C' and (resid 71 through 99 )
18X-RAY DIFFRACTION18chain 'C' and (resid 100 through 155 )
19X-RAY DIFFRACTION19chain 'C' and (resid 156 through 179 )
20X-RAY DIFFRACTION20chain 'C' and (resid 180 through 217 )
21X-RAY DIFFRACTION21chain 'D' and (resid 4 through 17 )
22X-RAY DIFFRACTION22chain 'D' and (resid 18 through 37 )
23X-RAY DIFFRACTION23chain 'D' and (resid 38 through 70 )
24X-RAY DIFFRACTION24chain 'D' and (resid 71 through 85 )
25X-RAY DIFFRACTION25chain 'D' and (resid 86 through 139 )
26X-RAY DIFFRACTION26chain 'D' and (resid 140 through 152 )
27X-RAY DIFFRACTION27chain 'D' and (resid 153 through 179 )
28X-RAY DIFFRACTION28chain 'D' and (resid 180 through 217 )

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