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- PDB-1ksz: ENTRAPMENT OF 6-THIOPHOSPHORYL-IMP IN THE ACTIVE SITE OF CRYSTALL... -

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Basic information

Entry
Database: PDB / ID: 1ksz
TitleENTRAPMENT OF 6-THIOPHOSPHORYL-IMP IN THE ACTIVE SITE OF CRYSTALLINE ADENYLOSUCCINATE SYNTHETASE FROM ESCHERICHIA COLI, DATA COLLECTED AT 298K
ComponentsADENYLOSUCCINATE SYNTHETASEAdenylosuccinate synthase
KeywordsLIGASE / SYNTHETASE / PURINE NUCLEOTIDE BIOSYNTHESIS / GTP-HYDROLYSING ENZYMES
Function / homology
Function and homology information


adenylosuccinate synthase / adenylosuccinate synthase activity / adenosine biosynthetic process / IMP metabolic process / 'de novo' AMP biosynthetic process / nucleobase-containing small molecule interconversion / purine nucleotide biosynthetic process / guanosine tetraphosphate binding / DNA damage response / GTP binding ...adenylosuccinate synthase / adenylosuccinate synthase activity / adenosine biosynthetic process / IMP metabolic process / 'de novo' AMP biosynthetic process / nucleobase-containing small molecule interconversion / purine nucleotide biosynthetic process / guanosine tetraphosphate binding / DNA damage response / GTP binding / magnesium ion binding / membrane / cytosol / cytoplasm
Similarity search - Function
Adenylosuccinate Synthetase, subunit A; domain 2 / Adenylosuccinate Synthetase, subunit A, domain 2 / Adenylosuccinate Synthetase; Chain A, domain 1 / Adenylosuccinate Synthetase, subunit A, domain 1 / Adenylosuccinate Synthetase; Chain A, domain 3 / Adenylosuccinate Synthetase, subunit A, domain 3 / Adenylosuccinate synthase, active site / Adenylosuccinate synthetase active site. / Adenylosuccinate synthase, GTP-binding site / Adenylosuccinate synthetase, domain 2 ...Adenylosuccinate Synthetase, subunit A; domain 2 / Adenylosuccinate Synthetase, subunit A, domain 2 / Adenylosuccinate Synthetase; Chain A, domain 1 / Adenylosuccinate Synthetase, subunit A, domain 1 / Adenylosuccinate Synthetase; Chain A, domain 3 / Adenylosuccinate Synthetase, subunit A, domain 3 / Adenylosuccinate synthase, active site / Adenylosuccinate synthetase active site. / Adenylosuccinate synthase, GTP-binding site / Adenylosuccinate synthetase, domain 2 / Adenylosuccinate synthetase, domain 3 / Adenylosuccinate synthetase GTP-binding site. / Adenylosuccinate synthetase / Adenylosuccinate synthetase, domain 1 / Adenylosuccinate synthetase / Adenylosuccinate synthetase / Alpha-Beta Complex / P-loop containing nucleoside triphosphate hydrolase / Orthogonal Bundle / 3-Layer(aba) Sandwich / Mainly Alpha / Alpha Beta
Similarity search - Domain/homology
GUANOSINE-5'-DIPHOSPHATE / HADACIDIN / Chem-PGS / Adenylosuccinate synthetase
Similarity search - Component
Biological speciesEscherichia coli (E. coli)
MethodX-RAY DIFFRACTION / Resolution: 2.8 Å
AuthorsPoland, B.W. / Bruns, C.A. / Fromm, H.J. / Honzatko, R.B.
Citation
Journal: J.Biol.Chem. / Year: 1997
Title: Entrapment of 6-thiophosphoryl-IMP in the active site of crystalline adenylosuccinate synthetase from Escherichia coli.
Authors: Poland, B.W. / Bruns, C. / Fromm, H.J. / Honzatko, R.B.
#1: Journal: J.Mol.Biol. / Year: 1995
Title: Refined Crystal Structures of Unligated Adenylosuccinate Synthetase from Escherichia Coli
Authors: Silva, M.M. / Poland, B.W. / Hoffman, C.R. / Fromm, H.J. / Honzatko, R.B.
#2: Journal: J.Biol.Chem. / Year: 1993
Title: Crystal Structure of Adenylosuccinate Synthetase from Escherichia Coli. Evidence for Convergent Evolution of GTP-Binding Domains
Authors: Poland, B.W. / Silva, M.M. / Serra, M.A. / Cho, Y. / Kim, K.H. / Harris, E.M. / Honzatko, R.B.
History
DepositionJan 14, 1997Processing site: BNL
Revision 1.0Oct 8, 1997Provider: repository / Type: Initial release
Revision 1.1Mar 24, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3Nov 29, 2017Group: Derived calculations / Other
Category: pdbx_database_status / struct_conf / struct_conf_type
Item: _pdbx_database_status.process_site
Revision 1.4Feb 14, 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_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.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

Downloads & links

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Assembly

Deposited unit
A: ADENYLOSUCCINATE SYNTHETASE
hetero molecules


Theoretical massNumber of molelcules
Total (without water)48,3015
Polymers47,2701
Non-polymers1,0324
Water2,810156
1
A: ADENYLOSUCCINATE SYNTHETASE
hetero molecules

A: ADENYLOSUCCINATE SYNTHETASE
hetero molecules


Theoretical massNumber of molelcules
Total (without water)96,60310
Polymers94,5392
Non-polymers2,0648
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
crystal symmetry operation6_555-x,-x+y,-z+2/31
Unit cell
Length a, b, c (Å)81.630, 81.630, 159.220
Angle α, β, γ (deg.)90.00, 90.00, 120.00
Int Tables number154
Space group name H-MP3221

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Components

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Protein , 1 types, 1 molecules A

#1: Protein ADENYLOSUCCINATE SYNTHETASE / Adenylosuccinate synthase


Mass: 47269.598 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Details: A GIFT FROM DR. B. BACHMAN, GENETIC CENTER, YALE UNIVERSITY
Source: (natural) Escherichia coli (E. coli) / Strain: PUR A STRAIN H1238 / References: UniProt: P0A7D4, adenylosuccinate synthase

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Non-polymers , 5 types, 160 molecules

#2: Chemical ChemComp-MG / MAGNESIUM ION


Mass: 24.305 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Mg
#3: Chemical ChemComp-GDP / GUANOSINE-5'-DIPHOSPHATE / Guanosine diphosphate


Type: RNA linking / Mass: 443.201 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C10H15N5O11P2 / Comment: GDP, energy-carrying molecule*YM
#4: Chemical ChemComp-HDA / HADACIDIN / Hadacidin


Mass: 119.076 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C3H5NO4 / Comment: anticancer, medication*YM
#5: Chemical ChemComp-PGS / 2-DEAZO-6-THIOPHOSPHATE GUANOSINE-5'-MONOPHOSPHATE


Mass: 445.259 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C10H15N4O10P2S
#6: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 156 / Source method: isolated from a natural source / Formula: H2O

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION

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Sample preparation

CrystalDensity Matthews: 3.24 Å3/Da / Density % sol: 62.02 %
Crystal grow
*PLUS
Temperature: 298 K / pH: 6.5 / Method: vapor diffusion, hanging drop
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-ID
125 mMimidazole1drop
237.5 mMsuccinate1drop
32 mMGTP1drop
42 mM6-mercapto-IMP1drop
52.5 mMhadacidin1drop
610 mg/mlprotein1drop
76.5 %(w/w)PEG80001drop
850 mMcacodylic acid1drop
9100 mMmagnesium acetate1drop
1013 %(w/w)PEG80001reservoir
11100 mMcacodylic acid1reservoir
12200 mMmagnesium acetate1reservoir

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Data collection

DiffractionMean temperature: 298 K
Diffraction sourceWavelength: 1.5418
DetectorType: SIEMENS-NICOLET X100 / Detector: AREA DETECTOR / Date: May 5, 1996
RadiationMonochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.5418 Å / Relative weight: 1
ReflectionNum. obs: 16429 / % possible obs: 98 % / Observed criterion σ(I): 4 / Redundancy: 5.5 % / Rmerge(I) obs: 0.097
Reflection
*PLUS
Highest resolution: 2.8 Å / Num. measured all: 156061
Reflection shell
*PLUS
Highest resolution: 2.8 Å / Lowest resolution: 2.9 Å / % possible obs: 95 %

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Processing

Software
NameClassification
X-PLORmodel building
X-PLORrefinement
XENGENdata reduction
X-PLORphasing
RefinementResolution: 2.8→5 Å
Details: THERE ARE TWO REGIONS THAT ARE DISORDERED AT POSITIONS 121 - 130, 298 - 303 AND ONE RESIDUE 416 THAT DIVERGES FROM THE DNA SEQUENCE GIVEN IN PIR:A61592. RESIDUE 416 IS GLYCINE IN THE PDB ENTRY.
RfactorNum. reflection
Rfree0.25 -
Rwork0.171 -
obs0.171 12221
Displacement parametersBiso mean: 26 Å2
Refine analyzeLuzzati coordinate error obs: 0.3 Å
Refinement stepCycle: LAST / Resolution: 2.8→5 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms3321 0 64 156 3541
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONx_bond_d0.016
X-RAY DIFFRACTIONx_bond_d_na
X-RAY DIFFRACTIONx_bond_d_prot
X-RAY DIFFRACTIONx_angle_d
X-RAY DIFFRACTIONx_angle_d_na
X-RAY DIFFRACTIONx_angle_d_prot
X-RAY DIFFRACTIONx_angle_deg2.01
X-RAY DIFFRACTIONx_angle_deg_na
X-RAY DIFFRACTIONx_angle_deg_prot
X-RAY DIFFRACTIONx_dihedral_angle_d24.7
X-RAY DIFFRACTIONx_dihedral_angle_d_na
X-RAY DIFFRACTIONx_dihedral_angle_d_prot
X-RAY DIFFRACTIONx_improper_angle_d1.61
X-RAY DIFFRACTIONx_improper_angle_d_na
X-RAY DIFFRACTIONx_improper_angle_d_prot
X-RAY DIFFRACTIONx_mcbond_it
X-RAY DIFFRACTIONx_mcangle_it
X-RAY DIFFRACTIONx_scbond_it
X-RAY DIFFRACTIONx_scangle_it
Software
*PLUS
Name: X-PLOR / Classification: refinement
Refinement
*PLUS
Rfactor Rfree: 0.25
Solvent computation
*PLUS
Displacement parameters
*PLUS
Refine LS restraints
*PLUS
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONx_dihedral_angle_d
X-RAY DIFFRACTIONx_dihedral_angle_deg24.7
X-RAY DIFFRACTIONx_improper_angle_d
X-RAY DIFFRACTIONx_improper_angle_deg1.61

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