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- PDB-1aic: STRUCTURAL BASIS FOR THE CATALYTIC ACTIVITY OF ASPARTATE AMINOTRA... -

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Basic information

Entry
Database: PDB / ID: 1aic
TitleSTRUCTURAL BASIS FOR THE CATALYTIC ACTIVITY OF ASPARTATE AMINOTRANSFERASE K258H LACKING THE PYRIDOXAL-5'-PHOSPHATE BINDING LYSINE RESIDUE
ComponentsASPARTATE AMINOTRANSFERASEAspartate transaminase
KeywordsTRANSFERASE(AMINOTRANSFERASE)
Function / homology
Function and homology information


L-phenylalanine biosynthetic process from chorismate via phenylpyruvate / L-tyrosine:2-oxoglutarate aminotransferase 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: 2.4 Å
AuthorsJaeger, J. / Jansonius, J.N.
CitationJournal: Biochemistry / Year: 1995
Title: Structural basis for the catalytic activity of aspartate aminotransferase K258H lacking the pyridoxal 5'-phosphate-binding lysine residue.
Authors: Malashkevich, V.N. / Jager, J. / Ziak, M. / Sauder, U. / Gehring, H. / Christen, P. / Jansonius, J.N.
History
DepositionMay 10, 1994Processing site: BNL
Revision 1.0Oct 15, 1994Provider: repository / Type: Initial release
Revision 1.1Mar 3, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3Feb 7, 2024Group: Data collection / Database references ...Data collection / Database references / Derived calculations / Other
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_database_status / 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 / _pdbx_database_status.process_site / _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 AMINOTRANSFERASE
B: ASPARTATE AMINOTRANSFERASE
hetero molecules


Theoretical massNumber of molelcules
Total (without water)87,9456
Polymers87,2562
Non-polymers6884
Water0
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area7980 Å2
ΔGint-70 kcal/mol
Surface area28930 Å2
MethodPISA
Unit cell
Length a, b, c (Å)87.200, 79.900, 89.600
Angle α, β, γ (deg.)90.00, 119.10, 90.00
Int Tables number4
Space group name H-MP1211
Atom site foot note1: CIS PROLINE - PRO A 138 / 2: CIS PROLINE - PRO A 195 / 3: CIS PROLINE - PRO B 138 / 4: CIS PROLINE - PRO B 195
5: GLU B 376 - PHE B 377 OMEGA = 148.23 PEPTIDE BOND DEVIATES SIGNIFICANTLY FROM TRANS CONFORMATION
Noncrystallographic symmetry (NCS)NCS oper: (Code: given
Matrix: (-0.99999, -0.00093, -0.00048), (0.00093, -0.99999, -0.00064), (-0.00048, -0.00064, 0.99999)
Vector: 0.1118, 83.713, 0.0101)
DetailsTHE ASYMMETRIC UNIT CONTAINS A DIMER OF ASPARTATE AMINOTRANSFERASE.

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Components

#1: Protein ASPARTATE AMINOTRANSFERASE / Aspartate transaminase


Mass: 43628.180 Da / Num. of mol.: 2 / Mutation: K246H
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-SO4 / SULFATE ION / Sulfate


Mass: 96.063 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: SO4
#3: Chemical ChemComp-PMP / 4'-DEOXY-4'-AMINOPYRIDOXAL-5'-PHOSPHATE / PYRIDOXAMINE-5'-PHOSPHATE


Mass: 248.173 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C8H13N2O5P
Sequence detailsTHE RESIDUE NUMBERING USED IN THIS ENTRY CONFORMS TO THE AMINO ACID SEQUENCE OF THE CHICKEN ...THE RESIDUE NUMBERING USED IN THIS ENTRY CONFORMS TO THE AMINO ACID SEQUENCE OF THE CHICKEN CYTOSOLIC ISOENZYME. HENCE, THE RESIDUE NUMBERING STARTS WITH MET 5 AND RESIDUES 127, 128, 130, 131, 132, 153, 232 AND 406 OF BOTH CHAINS HAVE NOT BEEN INCLUDED.

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION

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Sample preparation

CrystalDensity Matthews: 3.12 Å3/Da / Density % sol: 60.63 %
Crystal grow
*PLUS
pH: 7.5 / Method: vapor diffusion
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-ID
115.1 mg/mLprotein1drop
2100 mMmaleate1drop
30.45-0.55 Msodium chloride1drop
416 %(w/v)PEG1drop
520 mMsodium phosphate1drop
632 %(w/v)PEG1reservoir
70.9-1.1 Msodium chloride1reservoir
820 mMsodium phosphate1reservoir

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Data collection

RadiationScattering type: x-ray
Radiation wavelengthRelative weight: 1
Reflection
*PLUS
Highest resolution: 2.4 Å / Lowest resolution: 10 Å / Num. all: 39276 / Num. obs: 72346 / % possible obs: 93.1 % / Rmerge(I) obs: 0.047

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Processing

Software
NameClassification
X-PLORmodel building
X-PLORrefinement
X-PLORphasing
RefinementResolution: 2.4→10 Å /
RfactorNum. reflection
Rwork0.191 -
obs0.191 39276
Refinement stepCycle: LAST / Resolution: 2.4→10 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms6140 0 42 0 6182
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_deg3.12
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
Software
*PLUS
Name: X-PLOR / Classification: refinement
Refinement
*PLUS
Rfactor obs: 0.191
Solvent computation
*PLUS
Displacement parameters
*PLUS
Refine LS restraints
*PLUS
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONx_angle_d3.12
X-RAY DIFFRACTIONx_dihedral_angle_d24.2
X-RAY DIFFRACTIONx_plane_restr0.029

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