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Crystal structure (B) of u.v.-irradiated cationic cyclization antibody 4C6 fab at pH 4.6 with a data set collected at SSRL beamline 11-1.
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1NCW PDB ENTRY 1NCW
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 4.6 295 0.1M sodium acetate, 0.2 M ammonium acetate, 15% (w/v) PEG 4000, pH 4.6, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Crystal Properties Matthews coefficient Solvent content 2.86 56.71
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 64.091 α = 90 b = 64.091 β = 90 c = 266.333 γ = 90
Symmetry Space Group P 41 21 2
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 100 CCD ADSC QUANTUM 315 flat mirror 2002-04-09 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SSRL BEAMLINE BL11-1 1.03317 SSRL BL11-1
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Sym I (Observed) Net I Over Average Sigma (I) Redundancy Number Reflections (All) Number Reflections (Observed) Observed Criterion Sigma (F) Observed Criterion Sigma (I) B (Isotropic) From Wilson Plot 1 1.75 50 99.8 0.062 31.7 6.3 57518 -3
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.75 1.78 99.9 0.597 2.9
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT PDB ENTRY 1NCW 1.75 50 54948 54948 3318 90 0.194 0.183 0.251 0.2306 random
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 Key Refinement Restraint Deviation s_similar_adp_cmpnt 0.077 s_non_zero_chiral_vol 0.047 s_zero_chiral_vol 0.041 s_from_restr_planes 0.029 s_angle_d 0.025 s_anti_bump_dis_restr 0.014 s_bond_d 0.008 s_similar_dist s_rigid_bond_adp_cmpnt s_approx_iso_adps
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 3382 Nucleic Acid Atoms Solvent Atoms 427 Heterogen Atoms 31
Software Software Software Name Purpose SHELXL-97 refinement HKL-2000 data reduction CNS refinement HKL-2000 data collection SCALEPACK data scaling CNS phasing