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- PDB-1ch8: STRUCTURE OF ADENYLOSUCCINATE SYNTHETASE FROM E. COLI COMPLEXED W... -

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Basic information

Entry
Database: PDB / ID: 1ch8
TitleSTRUCTURE OF ADENYLOSUCCINATE SYNTHETASE FROM E. COLI COMPLEXED WITH A STRINGENT EFFECTOR, PPG2':3'P
ComponentsPROTEIN (ADENYLOSUCCINATE SYNTHETASE)
KeywordsLIGASE / ADENYLOSUCCINATE SYNTHETASE / GTP-HYDROLYSING ENZYMES / PURINE 2 NUCLEOTIDE BIOSYNTHESIS / PPGPP / PPG2':3'P / STRINGENT EFFECTOR
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 / cytoplasm / cytosol
Similarity search - Function
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 Synthetase, subunit A; domain 2 / Adenylosuccinate Synthetase, subunit A, domain 2 / Adenylosuccinate synthase, active site / Adenylosuccinate synthetase active site. / Adenylosuccinate synthase, GTP-binding site / Adenylosuccinate synthetase, 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 Synthetase, subunit A; domain 2 / Adenylosuccinate Synthetase, subunit A, domain 2 / 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
Chem-GPX / HADACIDIN / INOSINIC ACID / NITRATE ION / Adenylosuccinate synthetase
Similarity search - Component
Biological speciesEscherichia coli (E. coli)
MethodX-RAY DIFFRACTION / MOLECULAR REPLACEMENT / Resolution: 2.5 Å
AuthorsHou, Z. / Cashel, M. / Fromm, H.J. / Honzatko, R.B.
CitationJournal: J.Biol.Chem. / Year: 1999
Title: Effectors of the stringent response target the active site of Escherichia coli adenylosuccinate synthetase.
Authors: Hou, Z. / Cashel, M. / Fromm, H.J. / Honzatko, R.B.
History
DepositionMar 31, 1999Deposition site: BNL / Processing site: RCSB
Revision 1.0Dec 29, 1999Provider: repository / Type: Initial release
Revision 1.1Apr 26, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Derived calculations / Version format compliance
Revision 1.3Oct 4, 2017Group: Refinement description / Category: software / Item: _software.name
Revision 1.4Aug 9, 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_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 / _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: PROTEIN (ADENYLOSUCCINATE SYNTHETASE)
hetero molecules


Theoretical massNumber of molelcules
Total (without water)48,3286
Polymers47,2701
Non-polymers1,0595
Water6,377354
1


  • Idetical with deposited unit
  • defined by software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPISA
2
A: PROTEIN (ADENYLOSUCCINATE SYNTHETASE)
hetero molecules

A: PROTEIN (ADENYLOSUCCINATE SYNTHETASE)
hetero molecules


Theoretical massNumber of molelcules
Total (without water)96,65712
Polymers94,5392
Non-polymers2,11810
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
crystal symmetry operation6_555-x,-x+y,-z+2/31
MethodPQS
Unit cell
Length a, b, c (Å)80.300, 80.300, 158.200
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 PROTEIN (ADENYLOSUCCINATE SYNTHETASE) / AMPSASE


Mass: 47269.598 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Escherichia coli (E. coli) / Species: coli / Strain: K-12 / Plasmid: PTRC99A / Production host: Escherichia coli (E. coli) / Strain (production host): PUR A- STRAIN H1238 / References: UniProt: P0A7D4, adenylosuccinate synthase

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Non-polymers , 6 types, 359 molecules

#2: Chemical ChemComp-NO3 / NITRATE ION


Mass: 62.005 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: NO3
#3: Chemical ChemComp-MG / MAGNESIUM ION


Mass: 24.305 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Mg
#4: Chemical ChemComp-GPX / GUANOSINE 5'-DIPHOSPHATE 2':3'-CYCLIC MONOPHOSPHATE


Mass: 505.165 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C10H14N5O13P3
#5: Chemical ChemComp-HDA / HADACIDIN


Mass: 119.076 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C3H5NO4 / Comment: medication*YM
#6: Chemical ChemComp-IMP / INOSINIC ACID


Mass: 348.206 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C10H13N4O8P
#7: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 354 / 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: 3.11 Å3/Da / Density % sol: 60.5 %
Crystal growpH: 6.5 / Details: 16% PEG 8000, 100MM NA-CACODYLATE (PH 6.5)
Crystal grow
*PLUS
Method: vapor diffusion, hanging drop
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-IDDetails
130 mMHEPES1drop
24 mMIMP1drop
34 mMhadacidin1drop
44 mMGDP1dropor 0 mM
518 mg/mlprotain1drop
616 %(w/v)PEG80001reservoir
7100 mMsodium cacodylate1reservoir
8100 mMmagnesium nitrate1reservoir

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Data collection

DiffractionMean temperature: 120 K
Diffraction sourceSource: ROTATING ANODE / Type: SIEMENS / Wavelength: 1.5418
DetectorType: SIEMENS / Detector: AREA DETECTOR / Date: Feb 1, 1997
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.5418 Å / Relative weight: 1
ReflectionResolution: 2.4→50 Å / Num. obs: 23427 / % possible obs: 99 % / Redundancy: 2.5 % / Rmerge(I) obs: 0.092
Reflection shellResolution: 2.4→2.6 Å / % possible all: 99
Reflection
*PLUS
Num. measured all: 134672
Reflection shell
*PLUS
% possible obs: 99 %

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Processing

Software
NameVersionClassification
X-PLORmodel building
X-PLOR3.1refinement
X-GENdata reduction
X-GENdata scaling
X-PLORphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 1GIM

1gim


Resolution: 2.5→5 Å / Rfactor Rfree error: 0.005 / Data cutoff low absF: 0 / Cross valid method: THROUGHOUT / σ(F): 0
RfactorNum. reflection% reflectionSelection details
Rfree0.25 1555 10 %RANDOM
Rwork0.19 ---
obs0.19 15550 86 %-
Displacement parametersBiso mean: 25 Å2
Refinement stepCycle: LAST / Resolution: 2.5→5 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms3321 0 67 354 3742
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_deg1.61
X-RAY DIFFRACTIONx_angle_deg_na
X-RAY DIFFRACTIONx_angle_deg_prot
X-RAY DIFFRACTIONx_dihedral_angle_d
X-RAY DIFFRACTIONx_dihedral_angle_d_na
X-RAY DIFFRACTIONx_dihedral_angle_d_prot
X-RAY DIFFRACTIONx_improper_angle_d
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
Xplor file
Refine-IDSerial noParam fileTopol file
X-RAY DIFFRACTION1PARHCSDX.PROTOPHCSDX.PRO
X-RAY DIFFRACTION2PARNAH1E.DNATOPH19.PEP
X-RAY DIFFRACTION3PARAM19.SOL
Software
*PLUS
Name: X-PLOR / Version: 3.1 / Classification: refinement
Refinement
*PLUS
Highest resolution: 2.5 Å / Lowest resolution: 5 Å / σ(F): 0 / % reflection Rfree: 10 % / Rfactor obs: 0.19 / Rfactor Rfree: 0.25 / Rfactor Rwork: 0.19
Solvent computation
*PLUS
Displacement parameters
*PLUS
Biso mean: 25 Å2

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