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- PDB-1j7j: Crystal Structure of the HPRT from Salmonella typhimurium -

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Basic information

Entry
Database: PDB / ID: 1j7j
TitleCrystal Structure of the HPRT from Salmonella typhimurium
Componentshypoxanthine phosphoribosyltransferase
KeywordsTRANSFERASE / GLYCOSYLTRANSFERASE / PHOSPHORIBOSYLTRANSFERASE / NUCLEOTIDE METABOLISM / PURINE SALVAGE
Function / homology
Function and homology information


hypoxanthine phosphoribosyltransferase / guanine phosphoribosyltransferase activity / guanine salvage / hypoxanthine metabolic process / hypoxanthine phosphoribosyltransferase activity / GMP salvage / IMP salvage / purine ribonucleoside salvage / nucleotide binding / magnesium ion binding / 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
Hypoxanthine phosphoribosyltransferase
Similarity search - Component
Biological speciesSalmonella typhimurium (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.3 Å
AuthorsLee, C.C. / Focia, P.J. / Spraggon, G. / Eakin, A.E.
CitationJournal: To be Published
Title: Crystal Structure of the HPRT from Salmonella Typhimurium at 2.3 A Resolution
Authors: Lee, C.C. / Focia, P.J. / Spraggon, G. / Eakin, A.E.
History
DepositionMay 16, 2001Deposition site: RCSB / Processing site: RCSB
Revision 1.0Jul 29, 2003Provider: repository / Type: Initial release
Revision 1.1Apr 27, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Derived calculations / Version format compliance
Revision 1.3Aug 16, 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_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.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.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.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_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

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Assembly

Deposited unit
A: hypoxanthine phosphoribosyltransferase
B: hypoxanthine phosphoribosyltransferase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)40,2374
Polymers40,1882
Non-polymers492
Water2,378132
1
A: hypoxanthine phosphoribosyltransferase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)20,1182
Polymers20,0941
Non-polymers241
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPQS
2
B: hypoxanthine phosphoribosyltransferase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)20,1182
Polymers20,0941
Non-polymers241
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPQS
3
A: hypoxanthine phosphoribosyltransferase
B: hypoxanthine phosphoribosyltransferase
hetero molecules

A: hypoxanthine phosphoribosyltransferase
B: hypoxanthine phosphoribosyltransferase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)80,4748
Polymers80,3774
Non-polymers974
Water724
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
crystal symmetry operation5_555x-y,-y,-z+2/31
Buried area8000 Å2
ΔGint-68 kcal/mol
Surface area26270 Å2
MethodPISA
Unit cell
Length a, b, c (Å)83.897, 83.897, 168.752
Angle α, β, γ (deg.)90.00, 90.00, 120.00
Int Tables number152
Space group name H-MP3121
Components on special symmetry positions
IDModelComponents
11A-603-

HOH

21B-602-

HOH

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Components

#1: Protein hypoxanthine phosphoribosyltransferase / HPRT


Mass: 20094.191 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Salmonella typhimurium (bacteria) / Gene: hpt / Plasmid: pBAce / Production host: Escherichia coli (E. coli) / Strain (production host): S(Phi)606
References: UniProt: O33799, hypoxanthine phosphoribosyltransferase
#2: Chemical ChemComp-MG / MAGNESIUM ION


Mass: 24.305 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: Mg
#3: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 132 / 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: 4.26 Å3/Da / Density % sol: 71.16 %
Crystal growpH: 7.5 / Details: 28% PEG 400, 200mM CaCl2, 100mM HEPES pH 7.5

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: APS / Beamline: 5ID-B / Wavelength: 1
DetectorType: MAR 165 mm CCD / Detector: CCD / Date: Nov 14, 1998
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1 Å / Relative weight: 1
ReflectionResolution: 2.3→40 Å / Num. obs: 31306 / % possible obs: 99.8 % / Observed criterion σ(I): -3 / Redundancy: 10.8 % / Rmerge(I) obs: 0.05 / Rsym value: 0.05 / Net I/σ(I): 46.4
Reflection shellResolution: 2.3→2.35 Å / Redundancy: 11 % / Rmerge(I) obs: 0.301 / Mean I/σ(I) obs: 7.7 / Rsym value: 0.301 / % possible all: 100

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Processing

Software
NameVersionClassification
DENZOdata reduction
SCALEPACKdata scaling
AMoREphasing
CNS1refinement
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 1TC1 without ligands and waters

1tc1


Resolution: 2.3→500 Å
RfactorNum. reflection
Rfree0.2372 -
Rwork0.2102 -
obs-28905
Refinement stepCycle: LAST / Resolution: 2.3→500 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms2598 0 2 132 2732
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONc_bond_d0.01168
X-RAY DIFFRACTIONo_bond_d_na
X-RAY DIFFRACTIONo_bond_d_prot
X-RAY DIFFRACTIONo_angle_d
X-RAY DIFFRACTIONo_angle_d_na
X-RAY DIFFRACTIONo_angle_d_prot
X-RAY DIFFRACTIONc_angle_deg1.79184
X-RAY DIFFRACTIONo_angle_deg_na
X-RAY DIFFRACTIONo_angle_deg_prot
X-RAY DIFFRACTIONo_dihedral_angle_d
X-RAY DIFFRACTIONo_dihedral_angle_d_na
X-RAY DIFFRACTIONo_dihedral_angle_d_prot
X-RAY DIFFRACTIONo_improper_angle_d
X-RAY DIFFRACTIONo_improper_angle_d_na
X-RAY DIFFRACTIONo_improper_angle_d_prot
X-RAY DIFFRACTIONo_mcbond_it
X-RAY DIFFRACTIONo_mcangle_it
X-RAY DIFFRACTIONo_scbond_it
X-RAY DIFFRACTIONo_scangle_it

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