Crystal structure of a new isoform of ribosome inactivating protein from Momordica balsamina at 1.41 A resolution


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 3MRW 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP6.7298PEG 6000, 0.1M Sodium Phosphate
Crystal Properties
Matthews coefficientSolvent content
2.448.76

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 130.303α = 90
b = 130.303β = 90
c = 39.853γ = 120
Symmetry
Space GroupH 3

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS EIGER2 X 9M2023-07-28MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE ID30B0.87313ESRFID30B

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
11.40837.64499.80.0340.0420.0250.99918.15.24875021.5
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.411.4398.91.2840.47615.4

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Work (Depositor)R-Work (DCC)R-Free (Depositor)R-Free (DCC)Mean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTFREE R-VALUE3MRW1.40837.64448641246599.5290.180.17880.1870.20350.210822.916
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]
-0.356-0.178-0.3561.156
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_6_deg14.716
r_dihedral_angle_2_deg13.202
r_dihedral_angle_3_deg13.081
r_dihedral_angle_1_deg5.867
r_lrange_it5.756
r_lrange_other5.625
r_scangle_it4.913
r_scangle_other4.911
r_scbond_it3.549
r_scbond_other3.549
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_6_deg14.716
r_dihedral_angle_2_deg13.202
r_dihedral_angle_3_deg13.081
r_dihedral_angle_1_deg5.867
r_lrange_it5.756
r_lrange_other5.625
r_scangle_it4.913
r_scangle_other4.911
r_scbond_it3.549
r_scbond_other3.549
r_mcangle_it2.776
r_mcangle_other2.776
r_mcbond_it2.128
r_mcbond_other2.128
r_angle_refined_deg1.894
r_angle_other_deg0.667
r_symmetry_nbd_refined0.446
r_nbd_other0.251
r_nbd_refined0.245
r_symmetry_xyhbond_nbd_other0.219
r_xyhbond_nbd_refined0.207
r_symmetry_nbd_other0.203
r_nbtor_refined0.182
r_symmetry_xyhbond_nbd_refined0.152
r_chiral_restr0.097
r_symmetry_nbtor_other0.092
r_bond_refined_d0.011
r_gen_planes_refined0.01
r_bond_other_d0.002
r_gen_planes_other0.001
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1920
Nucleic Acid Atoms
Solvent Atoms293
Heterogen Atoms56

Software

Software
Software NamePurpose
REFMACrefinement
XDSdata reduction
autoPROCdata scaling
MOLREPphasing
autoPROCdata processing
Cootmodel building