1KXV

Camelid VHH Domains in Complex with Porcine Pancreatic alpha-Amylase


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1FJHPDB ENTRY 1FJH, PDB ENTRY 1QD0
experimental modelPDB 1QD0PDB ENTRY 1FJH, PDB ENTRY 1QD0

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP5293PEG4000 32%, Na citrate 0.1M & Ammonium Acetate 0.2M, pH 5.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.6152.79

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 57.568α = 98.78
b = 60.99β = 100.88
c = 107.333γ = 101.14
Symmetry
Space GroupP 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 4diamond2000-11-20MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE ID14-20.98ESRFID14-2

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Net I Over Average Sigma (I)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
11.630970.0744.617506916.6
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
1.61.69950.1372

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB ENTRY 1FJH, PDB ENTRY 1QD01.629.34172727168160333795.10.2050.229RANDOM18.7
Temperature Factor Modeling
Anisotropic B[1][1]Anisotropic B[1][2]Anisotropic B[1][3]Anisotropic B[2][2]Anisotropic B[2][3]Anisotropic B[3][3]
6.65-0.47-1.99-2.76-3.06-3.89
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d25.8
c_angle_deg2.3
c_improper_angle_d1.53
c_bond_d0.02
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms9574
Nucleic Acid Atoms
Solvent Atoms1377
Heterogen Atoms

Software

Software
Software NamePurpose
DENZOdata reduction
SCALAdata scaling
AMoREphasing
CNSrefinement
CCP4data scaling