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- PDB-3gay: Structure of Giardia fructose-1,6-biphosphate aldolase in complex... -

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Basic information

Entry
Database: PDB / ID: 3gay
TitleStructure of Giardia fructose-1,6-biphosphate aldolase in complex with tagatose-1,6-biphosphate
ComponentsFructose-bisphosphate aldolase
KeywordsLYASE / Class II fructose-1 / 6-bisphosphate aldolase / glycolytic pathway / Giardia lamblia / drug target / Glycolysis
Function / homology
Function and homology information


fructose-bisphosphate aldolase / fructose-bisphosphate aldolase activity / glycolytic process / zinc ion binding
Similarity search - Function
Fructose-bisphosphate aldolase class-II signature 2. / Fructose-bisphosphate aldolase, class-II / Fructose-bisphosphate aldolase class-II / Aldolase class I / Aldolase-type TIM barrel / TIM Barrel / Alpha-Beta Barrel / Alpha Beta
Similarity search - Domain/homology
1,6-di-O-phosphono-D-tagatose / Putative fructose-1,6-bisphosphate aldolase
Similarity search - Component
Biological speciesGiardia intestinalis (unknown)
MethodX-RAY DIFFRACTION / MOLECULAR REPLACEMENT / Resolution: 1.8 Å
AuthorsGalkin, A. / Herzberg, O.
CitationJournal: Biochemistry / Year: 2009
Title: Structural insights into the substrate binding and stereoselectivity of giardia fructose-1,6-bisphosphate aldolase.
Authors: Galkin, A. / Li, Z. / Li, L. / Kulakova, L. / Pal, L.R. / Dunaway-Mariano, D. / Herzberg, O.
History
DepositionFeb 18, 2009Deposition site: RCSB / Processing site: RCSB
Revision 1.0Mar 31, 2009Provider: repository / Type: Initial release
Revision 1.1Jul 13, 2011Group: Version format compliance

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Fructose-bisphosphate aldolase
B: Fructose-bisphosphate aldolase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)71,3396
Polymers70,5282
Non-polymers8114
Water10,413578
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area4340 Å2
ΔGint-24 kcal/mol
Surface area23610 Å2
MethodPISA
Unit cell
Length a, b, c (Å)56.310, 67.590, 171.730
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number19
Space group name H-MP212121

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Components

#1: Protein Fructose-bisphosphate aldolase /


Mass: 35263.758 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Giardia intestinalis (unknown) / Strain: WB / Gene: ald, FBPA / Plasmid: pET100/D-TOPO / Production host: Escherichia coli (E. coli) / Strain (production host): BL21(DE3)Star / References: UniProt: O97447, fructose-bisphosphate aldolase
#2: Chemical ChemComp-ZN / ZINC ION


Mass: 65.409 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: Zn
#3: Chemical ChemComp-P6T / 1,6-di-O-phosphono-D-tagatose


Mass: 340.116 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C6H14O12P2
#4: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 578 / Source method: isolated from a natural source / Formula: H2O
Sequence detailsAUTHORS STATE THAT ACCORDING TO THE SEQUENCE FROM GIARDIA GENOME (GB ENTRY EAA46366.1) THE CORRECT ...AUTHORS STATE THAT ACCORDING TO THE SEQUENCE FROM GIARDIA GENOME (GB ENTRY EAA46366.1) THE CORRECT RESIDUE AT POSITION 129 IS GLY.

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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: 2.31 Å3/Da / Density % sol: 46.86 %
Crystal growTemperature: 298 K / Method: vapor diffusion, hanging drop / pH: 7.5
Details: 18-25% PEG3350, 0.2M NH4NO3, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 298.0K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: ROTATING ANODE / Type: RIGAKU / Wavelength: 1.54178 Å
DetectorType: RIGAKU RAXIS IV++ / Detector: IMAGE PLATE / Date: Apr 9, 2007 / Details: mirrors
RadiationMonochromator: OSMIC MIRRORS / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.54178 Å / Relative weight: 1
ReflectionResolution: 1.8→20 Å / Num. all: 61609 / Num. obs: 57851 / % possible obs: 93.9 % / Rmerge(I) obs: 0.066
Reflection shellResolution: 1.8→1.86 Å / Rmerge(I) obs: 0.342 / % possible all: 62.9

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Processing

Software
NameVersionClassification
CrystalCleardata collection
PHASERphasing
CNS1.1refinement
d*TREKdata reduction
CrystalCleardata scaling
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 2ISW
Resolution: 1.8→20 Å / Isotropic thermal model: Isotropic / Cross valid method: THROUGHOUT / σ(F): 0 / Stereochemistry target values: Engh & Huber
RfactorNum. reflection% reflectionSelection details
Rfree0.24 2930 -RANDOM
Rwork0.199 ---
all-61609 --
obs-57851 93.9 %-
Refinement stepCycle: LAST / Resolution: 1.8→20 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms4857 0 42 578 5477
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONc_bond_d0.018
X-RAY DIFFRACTIONc_angle_deg1.7

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