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- PDB-1amq: X-RAY CRYSTALLOGRAPHIC STUDY OF PYRIDOXAMINE 5'-PHOSPHATE-TYPE AS... -

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Basic information

Entry
Database: PDB / ID: 1amq
TitleX-RAY CRYSTALLOGRAPHIC STUDY OF PYRIDOXAMINE 5'-PHOSPHATE-TYPE ASPARTATE AMINOTRANSFERASES FROM ESCHERICHIA COLI IN THREE FORMS
ComponentsASPARTATE AMINOTRANSFERASE
KeywordsTRANSFERASE(AMINOTRANSFERASE)
Function / homology
Function and homology information


L-phenylalanine biosynthetic process from chorismate via phenylpyruvate / L-tyrosine-2-oxoglutarate transaminase activity / L-phenylalanine biosynthetic process / aspartate transaminase / L-aspartate:2-oxoglutarate aminotransferase activity / pyridoxal phosphate binding / protein homodimerization activity / identical protein binding / cytosol / cytoplasm
Similarity search - Function
Aspartate/other aminotransferase / Aminotransferases, class-I, pyridoxal-phosphate-binding site / Aminotransferases class-I pyridoxal-phosphate attachment site. / Aminotransferase, class I/classII / Aminotransferase class I and II / Aspartate Aminotransferase, domain 1 / Aspartate Aminotransferase, domain 1 / Aspartate Aminotransferase; domain 2 / Type I PLP-dependent aspartate aminotransferase-like (Major domain) / Pyridoxal phosphate-dependent transferase, small domain ...Aspartate/other aminotransferase / Aminotransferases, class-I, pyridoxal-phosphate-binding site / Aminotransferases class-I pyridoxal-phosphate attachment site. / Aminotransferase, class I/classII / Aminotransferase class I and II / Aspartate Aminotransferase, domain 1 / Aspartate Aminotransferase, domain 1 / Aspartate Aminotransferase; domain 2 / Type I PLP-dependent aspartate aminotransferase-like (Major domain) / Pyridoxal phosphate-dependent transferase, small domain / Pyridoxal phosphate-dependent transferase, major domain / Pyridoxal phosphate-dependent transferase / Alpha-Beta Complex / 3-Layer(aba) Sandwich / Alpha Beta
Similarity search - Domain/homology
4'-DEOXY-4'-AMINOPYRIDOXAL-5'-PHOSPHATE / Aspartate aminotransferase
Similarity search - Component
Biological speciesEscherichia coli (E. coli)
MethodX-RAY DIFFRACTION / Resolution: 2.2 Å
AuthorsMiyahara, I. / Hirotsu, K. / Hayashi, H. / Kagamiyama, H.
Citation
Journal: J.Biochem.(Tokyo) / Year: 1994
Title: X-ray crystallographic study of pyridoxamine 5'-phosphate-type aspartate aminotransferases from Escherichia coli in three forms.
Authors: Miyahara, I. / Hirotsu, K. / Hayashi, H. / Kagamiyama, H.
#1: Journal: To be Published
Title: X-Ray Crystallographic Study of Pyridoxal 5'-Phosphate-Type Aspartate Aminotransferase from Escherichia Coli in Open and Closed Form
Authors: Okamoto, A. / Higuchi, T. / Hirotsu, K. / Kuramitsu, S.
History
DepositionJul 1, 1994Processing site: BNL
Revision 1.0Sep 30, 1994Provider: repository / Type: Initial release
Revision 1.1Mar 24, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Derived calculations / 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 7, 2024Group: Data collection / Database references / Derived calculations
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _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 AMINOTRANSFERASE
hetero molecules


Theoretical massNumber of molelcules
Total (without water)43,8672
Polymers43,6191
Non-polymers2481
Water4,648258
1
A: ASPARTATE AMINOTRANSFERASE
hetero molecules

A: ASPARTATE AMINOTRANSFERASE
hetero molecules


Theoretical massNumber of molelcules
Total (without water)87,7354
Polymers87,2382
Non-polymers4962
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
crystal symmetry operation4_555x,-y,-z1
Buried area7520 Å2
ΔGint-21 kcal/mol
Surface area29370 Å2
MethodPISA, PQS
Unit cell
Length a, b, c (Å)155.700, 86.700, 79.600
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number20
Space group name H-MC2221
Atom site foot note1: CIS PROLINE - PRO 138 / 2: CIS PROLINE - PRO 195
DetailsTHE FUNCTIONAL DIMER CAN BE GENERATED BY APPLYING THE SYMMETRY OPERATOR (X, -Y, -Z) TO THE ATOMIC COORDINATES PRESENTED IN THIS ENTRY.

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Components

#1: Protein ASPARTATE AMINOTRANSFERASE


Mass: 43619.215 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Escherichia coli (E. coli) / Production host: Escherichia coli (E. coli) / References: UniProt: P00509, aspartate transaminase
#2: Chemical ChemComp-PMP / 4'-DEOXY-4'-AMINOPYRIDOXAL-5'-PHOSPHATE / PYRIDOXAMINE-5'-PHOSPHATE


Mass: 248.173 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C8H13N2O5P
#3: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 258 / 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: 3.08 Å3/Da / Density % sol: 60.04 %
Crystal grow
*PLUS
Temperature: 20 ℃ / pH: 7 / Method: vapor diffusion, hanging drop
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-IDChemical formula
140 %satammonium sulfate1drop
240-60 mg/mlprotein1drop
310 mMpotassium phosphate1drop
40.01 mMPMP1drop
50.3 mM1dropNaN3
640 %satammonium sulfate1reservoir

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Data collection

RadiationScattering type: x-ray
Radiation wavelengthRelative weight: 1
Reflection
*PLUS
Highest resolution: 2 Å / Num. obs: 24898 / Num. measured all: 100531 / Rmerge(I) obs: 0.0567

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Processing

Software
NameClassification
X-PLORmodel building
X-PLORrefinement
TOMrefinement
X-PLORphasing
TOM/FRODOrefinement
RefinementResolution: 2.2→10 Å / σ(F): 3 /
RfactorNum. reflection
Rwork0.192 -
obs0.192 19950
Refinement stepCycle: LAST / Resolution: 2.2→10 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms3069 0 16 258 3343
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONx_bond_d0.009
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_deg1.863
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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