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- PDB-9atc: ATCASE Y165F MUTANT -

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Basic information

Entry
Database: PDB / ID: 9atc
TitleATCASE Y165F MUTANT
Components(ASPARTATE TRANSCARBAMOYLASEAspartate carbamoyltransferase) x 2
KeywordsTRANSFERASE / ATCASE / ALLOSTERY / PYRIMIDINE BIOSYNTHESIS
Function / homology
Function and homology information


aspartate carbamoyltransferase complex / pyrimidine nucleotide biosynthetic process / aspartate carbamoyltransferase / aspartate carbamoyltransferase activity / amino acid binding / glutamine metabolic process / protein homotrimerization / 'de novo' UMP biosynthetic process / 'de novo' pyrimidine nucleobase biosynthetic process / zinc ion binding ...aspartate carbamoyltransferase complex / pyrimidine nucleotide biosynthetic process / aspartate carbamoyltransferase / aspartate carbamoyltransferase activity / amino acid binding / glutamine metabolic process / protein homotrimerization / 'de novo' UMP biosynthetic process / 'de novo' pyrimidine nucleobase biosynthetic process / zinc ion binding / identical protein binding / cytosol / cytoplasm
Similarity search - Function
Aspartate transcarbamylase regulatory subunit / Aspartate carbamoyltransferase regulatory subunit, C-terminal / Aspartate carbamoyltransferase regulatory subunit, N-terminal / Aspartate carbamoyltransferase regulatory subunit, C-terminal domain superfamily / Aspartate carbamoyltransferase regulatory subunit, N-terminal domain superfamily / Aspartate carbamoyltransferase regulatory chain, allosteric domain / Aspartate carbamoyltransferase regulatory chain, metal binding domain / Aspartate carbamoyltransferase regulatory subunit, N-terminal domain / Aspartate carbamoyltransferase regulatory subunit, C-terminal domain / Aspartate/ornithine carbamoyltransferase ...Aspartate transcarbamylase regulatory subunit / Aspartate carbamoyltransferase regulatory subunit, C-terminal / Aspartate carbamoyltransferase regulatory subunit, N-terminal / Aspartate carbamoyltransferase regulatory subunit, C-terminal domain superfamily / Aspartate carbamoyltransferase regulatory subunit, N-terminal domain superfamily / Aspartate carbamoyltransferase regulatory chain, allosteric domain / Aspartate carbamoyltransferase regulatory chain, metal binding domain / Aspartate carbamoyltransferase regulatory subunit, N-terminal domain / Aspartate carbamoyltransferase regulatory subunit, C-terminal domain / Aspartate/ornithine carbamoyltransferase / Aspartate carbamoyltransferase / Aspartate and ornithine carbamoyltransferases signature. / Aspartate/ornithine carbamoyltransferase / Aspartate/ornithine carbamoyltransferase, Asp/Orn-binding domain / Aspartate/ornithine carbamoyltransferase, carbamoyl-P binding / Aspartate/ornithine carbamoyltransferase superfamily / Aspartate/ornithine carbamoyltransferase, Asp/Orn binding domain / Aspartate/ornithine carbamoyltransferase, carbamoyl-P binding domain / SH3 type barrels. / Roll / Alpha-Beta Plaits / Rossmann fold / 2-Layer Sandwich / 3-Layer(aba) Sandwich / Mainly Beta / Alpha Beta
Similarity search - Domain/homology
Aspartate carbamoyltransferase catalytic subunit / Aspartate carbamoyltransferase regulatory chain
Similarity search - Component
Biological speciesEscherichia coli (E. coli)
MethodX-RAY DIFFRACTION / molecular replacement / Resolution: 2.4 Å
AuthorsHa, Y. / Allewell, N.M.
CitationJournal: Proteins / Year: 1998
Title: Intersubunit hydrogen bond acts as a global molecular switch in Escherichia coli aspartate transcarbamoylase.
Authors: Ha, Y. / Allewell, N.M.
History
DepositionJun 26, 1998Processing site: BNL
Revision 1.0Jul 26, 1999Provider: repository / Type: Initial release
Revision 1.1Mar 25, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Derived calculations / Version format compliance
Revision 1.3Mar 14, 2018Group: Database references / Other / Category: pdbx_database_status / struct_ref_seq_dif
Item: _pdbx_database_status.process_site / _struct_ref_seq_dif.details
Revision 1.4Aug 9, 2023Group: Database references / Derived calculations / Refinement description
Category: database_2 / pdbx_initial_refinement_model ...database_2 / pdbx_initial_refinement_model / struct_ref_seq_dif / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _struct_ref_seq_dif.details / _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: ASPARTATE TRANSCARBAMOYLASE
B: ASPARTATE TRANSCARBAMOYLASE
hetero molecules


Theoretical massNumber of molelcules
Total (without water)50,6883
Polymers50,6232
Non-polymers651
Water0
1
A: ASPARTATE TRANSCARBAMOYLASE
B: ASPARTATE TRANSCARBAMOYLASE
hetero molecules
x 6


Theoretical massNumber of molelcules
Total (without water)304,12918
Polymers303,73712
Non-polymers3926
Water0
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
crystal symmetry operation2_555z,x,y1
crystal symmetry operation3_555y,z,x1
crystal symmetry operation4_555-y,-x,-z1
crystal symmetry operation5_555-x,-z,-y1
crystal symmetry operation6_555-z,-y,-x1
Buried area27360 Å2
ΔGint-125 kcal/mol
Surface area104750 Å2
MethodPISA, PQS
Unit cell
Length a, b, c (Å)100.600, 100.600, 100.600
Angle α, β, γ (deg.)81.40, 81.40, 81.40
Int Tables number155
Space group name H-MR32

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Components

#1: Protein ASPARTATE TRANSCARBAMOYLASE / Aspartate carbamoyltransferase


Mass: 34321.109 Da / Num. of mol.: 1 / Mutation: CHAIN A, Y165F
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Escherichia coli (E. coli) / Plasmid: PEK33 / Production host: Escherichia coli (E. coli) / Strain (production host): EK1104 / References: UniProt: P0A786, aspartate carbamoyltransferase
#2: Protein ASPARTATE TRANSCARBAMOYLASE / Aspartate carbamoyltransferase


Mass: 16301.649 Da / Num. of mol.: 1 / Mutation: CHAIN A, Y165F
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Escherichia coli (E. coli) / Plasmid: PEK33 / Production host: Escherichia coli (E. coli) / Strain (production host): EK1104 / References: UniProt: P0A7F3, aspartate carbamoyltransferase
#3: Chemical ChemComp-ZN / ZINC ION


Mass: 65.409 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Zn

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION / Number of used crystals: 4

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Sample preparation

CrystalDensity Matthews: 3.25 Å3/Da / Density % sol: 62.13 %
Crystal growpH: 6.3 / Details: pH 6.3
Crystal grow
*PLUS
Temperature: 18 ℃ / pH: 7.45 / Method: vapor diffusion, hanging drop
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-ID
115 mg/mlprotein1drop
20.01 MHEPES1drop
350 mMTris1reservoir
450 mMimidazole1reservoir

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Data collection

DiffractionMean temperature: 300 K
Diffraction sourceSource: ROTATING ANODE / Type: RIGAKU RUH2R / Wavelength: 1.5418
DetectorType: SIEMENS / Detector: AREA DETECTOR / Date: Jun 1, 1994
RadiationMonochromator: GRAPHITE(002) / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.5418 Å / Relative weight: 1
ReflectionResolution: 2.4→10 Å / Num. obs: 21881 / % possible obs: 83 % / Observed criterion σ(I): 2 / Rsym value: 0.074 / Net I/σ(I): 14.3
Reflection shellResolution: 2.34→2.48 Å / Mean I/σ(I) obs: 1.6 / Rsym value: 0.133 / % possible all: 42
Reflection
*PLUS
Num. measured all: 160964 / Rmerge(I) obs: 0.074
Reflection shell
*PLUS
% possible obs: 42 % / Num. unique obs: 1980 / Num. measured obs: 3260 / Rmerge(I) obs: 0.133

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Processing

Software
NameVersionClassification
X-PLOR3.8model building
X-PLOR3.8refinement
XENGENdata reduction
XENGENdata scaling
X-PLOR3.8phasing
RefinementMethod to determine structure: molecular replacement
Starting model: ATCASE WILDTYPE T (1RAI)

1rai


Resolution: 2.4→10 Å / Data cutoff high absF: 10000 / Data cutoff low absF: 0.1 / Cross valid method: THROUGHOUT / σ(F): 2
RfactorNum. reflection% reflectionSelection details
Rfree0.344 -10 %RANDOM
Rwork0.252 ---
obs0.252 21881 83 %-
Refinement stepCycle: LAST / Resolution: 2.4→10 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms3408 0 1 0 3409
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONx_bond_d0.013
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_deg3.123
X-RAY DIFFRACTIONx_angle_deg_na
X-RAY DIFFRACTIONx_angle_deg_prot
X-RAY DIFFRACTIONx_dihedral_angle_d25.31
X-RAY DIFFRACTIONx_dihedral_angle_d_na
X-RAY DIFFRACTIONx_dihedral_angle_d_prot
X-RAY DIFFRACTIONx_improper_angle_d1.492
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 DIFFRACTION1PARAM19X.PROTOPH19X.PRO
X-RAY DIFFRACTION2
Software
*PLUS
Name: X-PLOR / Version: 3.8 / Classification: refinement
Refine LS restraints
*PLUS
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONx_dihedral_angle_d
X-RAY DIFFRACTIONx_dihedral_angle_deg25.313
X-RAY DIFFRACTIONx_improper_angle_d
X-RAY DIFFRACTIONx_improper_angle_deg1.492

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