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- PDB-1amj: STERIC AND CONFORMATIONAL FEATURES OF THE ACONITASE MECHANISM -

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Basic information

Entry
Database: PDB / ID: 1amj
TitleSTERIC AND CONFORMATIONAL FEATURES OF THE ACONITASE MECHANISM
ComponentsACONITASE
KeywordsLYASE(CARBON-OXYGEN)
Function / homology
Function and homology information


Citric acid cycle (TCA cycle) / aconitate hydratase / aconitate hydratase activity / citrate metabolic process / 3 iron, 4 sulfur cluster binding / tricarboxylic acid cycle / ferrous iron binding / 4 iron, 4 sulfur cluster binding / iron ion binding / mitochondrion / cytosol
Similarity search - Function
Aconitase, mitochondrial-like / Aconitase, domain 2 / Aconitase; Domain 2 / Aconitase, Domain 2 / Aconitase; domain 3 / Aconitase, domain 3 / Aconitase/3-isopropylmalate dehydratase large subunit, alpha/beta/alpha domain / Aconitase/3-isopropylmalate dehydratase large subunit, alpha/beta/alpha, subdomain 1/3 / Aconitase family, 4Fe-4S cluster binding site / Aconitase, iron-sulfur domain ...Aconitase, mitochondrial-like / Aconitase, domain 2 / Aconitase; Domain 2 / Aconitase, Domain 2 / Aconitase; domain 3 / Aconitase, domain 3 / Aconitase/3-isopropylmalate dehydratase large subunit, alpha/beta/alpha domain / Aconitase/3-isopropylmalate dehydratase large subunit, alpha/beta/alpha, subdomain 1/3 / Aconitase family, 4Fe-4S cluster binding site / Aconitase, iron-sulfur domain / Aconitase family (aconitate hydratase) / Aconitase family signature 1. / Aconitase family signature 2. / Aconitase; domain 4 / Aconitase, domain 4 / Aconitase A/isopropylmalate dehydratase small subunit, swivel domain / Aconitase C-terminal domain / Aconitase/3-isopropylmalate dehydratase, swivel / Alpha-Beta Barrel / 2-Layer Sandwich / 3-Layer(aba) Sandwich / Alpha Beta
Similarity search - Domain/homology
HYDROXIDE ION / IRON/SULFUR CLUSTER / Aconitate hydratase, mitochondrial
Similarity search - Component
Biological speciesBos taurus (cattle)
MethodX-RAY DIFFRACTION / Resolution: 2 Å
AuthorsStout, C.D.
Citation
Journal: Proteins / Year: 1995
Title: Steric and conformational features of the aconitase mechanism.
Authors: Lauble, H. / Stout, C.D.
#1: Journal: J.Mol.Biol. / Year: 1994
Title: Crystal Structures of Aconitase with Trans-Aconitate and Nitrocitrate Bound
Authors: Lauble, H. / Kennedy, M.C. / Beinert, H. / Stout, C.D.
#2: Journal: Biochemistry / Year: 1992
Title: Crystal Structures of Aconitase with Isocitrate and Nitroisocitrate Bound
Authors: Lauble, H. / Kennedy, M.C. / Beinert, H. / Stout, C.D.
#3: Journal: Proc.Natl.Acad.Sci.USA / Year: 1989
Title: Structure of Activated Aconitase. Formation of the (4Fe-4S) Cluster in the Crystal
Authors: Robbins, A.H. / Stout, C.D.
#4: Journal: Proteins / Year: 1989
Title: The Structure of Aconitase
Authors: Robbins, A.H. / Stout, C.D.
#5: Journal: J.Biol.Chem. / Year: 1985
Title: Iron-Sulfur Cluster in Aconitase. Crystallographic Evidence for a Three-Iron Center
Authors: Robbins, A.H. / Stout, C.D.
History
DepositionNov 11, 1994Processing site: BNL
Revision 1.0Jan 26, 1995Provider: repository / Type: Initial release
Revision 1.1Mar 3, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: 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_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: ACONITASE
hetero molecules


Theoretical massNumber of molelcules
Total (without water)83,2304
Polymers82,7651
Non-polymers4653
Water6,395355
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)185.500, 72.000, 73.000
Angle α, β, γ (deg.)90.00, 90.00, 77.70
Int Tables number5
Space group name H-MB112
Atom site foot note1: CIS PROLINE - PRO 325

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Components

#1: Protein ACONITASE /


Mass: 82764.938 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Bos taurus (cattle) / References: UniProt: P20004, aconitate hydratase
#2: Chemical ChemComp-OH / HYDROXIDE ION / Hydroxide


Mass: 17.007 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: HO
#3: Chemical ChemComp-SO4 / SULFATE ION / Sulfate


Mass: 96.063 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: SO4
#4: Chemical ChemComp-SF4 / IRON/SULFUR CLUSTER / Iron–sulfur cluster


Mass: 351.640 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Fe4S4
#5: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 355 / 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: 2.88 Å3/Da / Density % sol: 57.23 %
Crystal grow
*PLUS
Temperature: 22 ℃ / pH: 7 / Method: vapor diffusion
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-ID
13.7 Mammonium sulfate1drop
20.5 MTris-HCl1drop
32.2 Mammonium sulfate1reservoir
40.5 MTris-HCl1reservoir

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Data collection

RadiationScattering type: x-ray
Radiation wavelengthRelative weight: 1
ReflectionNum. obs: 213254 / % possible obs: 92.4 % / Observed criterion σ(I): 0
Reflection
*PLUS
Highest resolution: 2 Å / Num. obs: 58806 / Num. measured all: 213254 / Rmerge(I) obs: 0.076
Reflection shell
*PLUS
Highest resolution: 2 Å / Lowest resolution: 2.1 Å / % possible obs: 43.4 % / Mean I/σ(I) obs: 2.8

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Processing

Software
NameClassification
X-PLORmodel building
X-PLORrefinement
X-PLORphasing
RefinementResolution: 2→8 Å / σ(F): 0 /
RfactorNum. reflection
Rwork0.168 -
obs0.168 57828
Displacement parametersBiso mean: 21.1 Å2
Refinement stepCycle: LAST / Resolution: 2→8 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms5812 0 15 355 6182
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONx_bond_d0.015
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_deg3.01
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_d1.42
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
Num. reflection all: 57828 / Rfactor all: 0.168
Solvent computation
*PLUS
Displacement parameters
*PLUS
Refine LS restraints
*PLUS
Type: x_angle_d / Dev ideal: 3.01

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