8VUC

Structure of FabS1CE2-EPR-1, an elbow-locked high affinity antibody for the erythropoeitin receptor


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelOtherresidues 1-126 and 1-127 (IMGT numbering) of Fab heavy chain and light chain, respectively, of an unpublished Fab
experimental modelOtherresidues 129-230 and 130-231 (IMGT numbering) of Fab heavy chain and light chain, respectively, of an unpublished Fab

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP52980.1 M MMT buffer pH 5.0, 25% PEG1500
Crystal Properties
Matthews coefficientSolvent content
2.3447.49

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 67.389α = 90
b = 67.389β = 90
c = 168.232γ = 120
Symmetry
Space GroupP 32

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS EIGER X 16M2023-04-06MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 24-ID-E0.979180APS24-ID-E

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Rrim I (All)Rpim I (All)CC (Half)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
12.4584.1294.90.1070.1210.0570.9937.54.32985556.95
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Rrim I (All)Rpim I (All)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.452.5599.91.1351.2910.6090.4171.44.4

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTFREE R-VALUE2.555.141.9827948195094.570.20810.20380.265368.33
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]
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d18.0052
f_angle_d1.0555
f_chiral_restr0.0573
f_plane_restr0.0097
f_bond_d0.0082
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms6424
Nucleic Acid Atoms
Solvent Atoms47
Heterogen Atoms27

Software

Software
Software NamePurpose
PHENIXrefinement
MOSFLMdata reduction
Aimlessdata scaling
PHASERphasing