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- PDB-1aq2: PHOSPHOENOLPYRUVATE CARBOXYKINASE -

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Basic information

Entry
Database: PDB / ID: 1aq2
TitlePHOSPHOENOLPYRUVATE CARBOXYKINASE
ComponentsPHOSPHOENOLPYRUVATE CARBOXYKINASE
KeywordsKINASE / TRANSPHOSPHORYLATING / P-LOOP / PROTEIN-ATP COMPLEX / NUCLEOTIDE-TRIPHOSPHATE HYDROLASE / LYASE / GLUCONEOGENESIS
Function / homology
Function and homology information


phosphoenolpyruvate carboxykinase (ATP) / phosphoenolpyruvate carboxykinase (ATP) activity / gluconeogenesis / calcium ion binding / magnesium ion binding / ATP binding / cytosol
Similarity search - Function
Phosphoenolpyruvate carboxykinase, ATP-utilising / Phosphoenolpyruvate carboxykinase (ATP), conserved site / Phosphoenolpyruvate carboxykinase / Phosphoenolpyruvate carboxykinase (ATP) signature. / Phosphoenolpyruvate Carboxykinase; domain 2 / Phosphoenolpyruvate Carboxykinase, domain 2 / Phosphoenolpyruvate Carboxykinase; domain 1 / Phosphoenolpyruvate Carboxykinase, domain 1 / Phosphoenolpyruvate Carboxykinase; domain 3 - #20 / Phosphoenolpyruvate carboxykinase, C-terminal ...Phosphoenolpyruvate carboxykinase, ATP-utilising / Phosphoenolpyruvate carboxykinase (ATP), conserved site / Phosphoenolpyruvate carboxykinase / Phosphoenolpyruvate carboxykinase (ATP) signature. / Phosphoenolpyruvate Carboxykinase; domain 2 / Phosphoenolpyruvate Carboxykinase, domain 2 / Phosphoenolpyruvate Carboxykinase; domain 1 / Phosphoenolpyruvate Carboxykinase, domain 1 / Phosphoenolpyruvate Carboxykinase; domain 3 - #20 / Phosphoenolpyruvate carboxykinase, C-terminal / Phosphoenolpyruvate carboxykinase, N-terminal / Phosphoenolpyruvate Carboxykinase; domain 3 / Beta Complex / Alpha-Beta Complex / 3-Layer(aba) Sandwich / Mainly Beta / Alpha Beta
Similarity search - Domain/homology
ADENOSINE-5'-TRIPHOSPHATE / : / PYRUVIC ACID / Phosphoenolpyruvate carboxykinase (ATP)
Similarity search - Component
Biological speciesEscherichia coli (E. coli)
MethodX-RAY DIFFRACTION / MOLECULAR REPLACEMENT / Resolution: 1.9 Å
AuthorsTari, L.W. / Matte, A. / Goldie, H. / Delbaere, L.T.J.
Citation
Journal: Nat.Struct.Biol. / Year: 1997
Title: Mg(2+)-Mn2+ clusters in enzyme-catalyzed phosphoryl-transfer reactions.
Authors: Tari, L.W. / Matte, A. / Goldie, H. / Delbaere, L.T.
#1: Journal: J.Mol.Biol. / Year: 1996
Title: Crystal Structure of Escherichia Coli Phosphoenolpyruvate Carboxykinase: A New Structural Family with the P-Loop Nucleoside Triphosphate Hydrolase Fold
Authors: Matte, A. / Goldie, H. / Sweet, R.M. / Delbaere, L.T.
#2: Journal: Nat.Struct.Biol. / Year: 1996
Title: Snapshot of an Enzyme Reaction Intermediate in the Structure of the ATP-Mg2+-Oxalate Ternary Complex of Escherichia Coli Pep Carboxykinase
Authors: Tari, L.W. / Matte, A. / Pugazhenthi, U. / Goldie, H. / Delbaere, L.T.
#3: Journal: J.Mol.Biol. / Year: 1991
Title: Crystallization of the Calcium-Activated Phosphoenolpyruvate Carboxykinase from Escherichia Coli K12
Authors: Delbaere, L.T. / Vandonselaar, M. / Glaeske, D. / Jabs, C. / Goldie, H.
#4: Journal: J.Bacteriol. / Year: 1990
Title: Sequence of the Pcka Gene of Escherichia Coli K-12: Relevance to Genetic and Allosteric Regulation and Homology of E. Coli Phosphoenolpyruvate Carboxykinase with the Enzymes from Trypanosoma ...Title: Sequence of the Pcka Gene of Escherichia Coli K-12: Relevance to Genetic and Allosteric Regulation and Homology of E. Coli Phosphoenolpyruvate Carboxykinase with the Enzymes from Trypanosoma Brucei and Saccharomyces Cerevisiae
Authors: Medina, V. / Pontarollo, R. / Glaeske, D. / Tabel, H. / Goldie, H.
History
DepositionAug 5, 1997Processing site: BNL
Revision 1.0Oct 14, 1998Provider: repository / Type: Initial release
Revision 1.1Mar 24, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Source and taxonomy / 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 1.4Apr 18, 2018Group: Data collection / Category: diffrn_detector / Item: _diffrn_detector.detector
Revision 1.5Aug 2, 2023Group: Database references / Derived calculations / Refinement description
Category: database_2 / pdbx_initial_refinement_model ...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.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
Revision 2.0Nov 15, 2023Group: Atomic model / Data collection / Category: atom_site / chem_comp_atom / chem_comp_bond / Item: _atom_site.auth_atom_id / _atom_site.label_atom_id

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: PHOSPHOENOLPYRUVATE CARBOXYKINASE
hetero molecules


Theoretical massNumber of molelcules
Total (without water)60,3845
Polymers59,7091
Non-polymers6744
Water4,179232
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)126.190, 96.610, 46.860
Angle α, β, γ (deg.)90.00, 95.80, 90.00
Int Tables number5
Space group name H-MC121

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Components

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Protein , 1 types, 1 molecules A

#1: Protein PHOSPHOENOLPYRUVATE CARBOXYKINASE / ATP-OXALOACETATE CARBOXY-LYASE (ATP)


Mass: 59709.176 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Details: ORDERED MAGNESIUM AND MANGANESE IONS OBSERVED BOUND TO ATP
Source: (gene. exp.) Escherichia coli (E. coli) / Strain: K12
Description: NATIVE PROMOTER OF E. COLI PCKA GENE, HIGHLY AEROBIC GROWTH TO EARLY STATIONARY PHASE IN THE ABSENCE OF CARBOHYDRATES
Cellular location: CYTOPLASM / Gene (production host): PCKA / Production host: Escherichia coli (E. coli)
References: UniProt: P22259, phosphoenolpyruvate carboxykinase (ATP)

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Non-polymers , 5 types, 236 molecules

#2: Chemical ChemComp-MN / MANGANESE (II) ION


Mass: 54.938 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Mn
#3: Chemical ChemComp-MG / MAGNESIUM ION


Mass: 24.305 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Mg
#4: Chemical ChemComp-ATP / ADENOSINE-5'-TRIPHOSPHATE


Mass: 507.181 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C10H16N5O13P3 / Comment: ATP, energy-carrying molecule*YM
#5: Chemical ChemComp-PYR / PYRUVIC ACID


Mass: 88.062 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C3H4O3
#6: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 232 / 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: 2.38 Å3/Da / Density % sol: 50 %
Crystal growpH: 4.4 / Details: pH 4.4

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Data collection

DiffractionMean temperature: 300 K
Diffraction sourceType: ENRAF-NONIUS / Wavelength: 1.5418
DetectorType: ENRAF-NONIUS FAST / Detector: DIFFRACTOMETER / Date: Oct 15, 1996
RadiationMonochromator: GRAPHITE(002) / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.5418 Å / Relative weight: 1
ReflectionResolution: 1.9→60 Å / Num. obs: 39324 / % possible obs: 90 % / Observed criterion σ(I): 1 / Redundancy: 2.6 % / Rsym value: 0.118 / Net I/σ(I): 4.3
Reflection shellResolution: 1.9→3 Å / Redundancy: 2.4 % / Mean I/σ(I) obs: 2.1 / Rsym value: 0.34 / % possible all: 85

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Processing

Software
NameClassification
X-PLORmodel building
X-PLORrefinement
MADNESdata reduction
CCP4data scaling
X-PLORphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 1AYL

1ayl


Resolution: 1.9→6 Å / Cross valid method: FREE-R / σ(F): 2
RfactorNum. reflection% reflection
Rfree0.26 1907 5 %
Rwork0.218 --
obs0.218 37529 -
Refine analyzeLuzzati coordinate error obs: 0.2 Å
Refinement stepCycle: LAST / Resolution: 1.9→6 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms4114 0 39 232 4385
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONx_bond_d0.007
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_deg1.32
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

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