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Crystal Structure of Ancylostoma ceylanicum Excretory-Secretory Protein 2
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model Other STARTING MODEL: THE STRUCTURE OF ACEES-2 WAS SOLVED USING A LEAD (PBNO3) SOAKED CRYSTAL AND SAD METHODS AT 2.0 ANGSTROM RESOLUTION
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 6.8 277 0.1 M 2-[4-(2-hydroxyethyl)piperazin-1-yl]ethanesulfonic acid (HEPES), 60% (4S)-2-Methyl-2,4-pentanediol (MPD), pH 6.8, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties Matthews coefficient Solvent content 2.78 55.79
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 52.212 α = 90 b = 52.212 β = 90 c = 345.263 γ = 90
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 Meridionally-bent fused silica mirror with palladium and uncoated stripes vertically-focusing at 6.6:1 demagnification. 2009-07-28 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON NSLS BEAMLINE X25 1.0809 NSLS X25
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge 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 36.91 90.5 0.074 18.498 4.6 79362
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.75 1.81 52.3 0.354 2.326 1.9 3110
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (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 STARTING MODEL: THE STRUCTURE OF ACEES-2 WAS SOLVED USING A LEAD (PBNO3) SOAKED
CRYSTAL AND SAD METHODS AT 2.0 ANGSTROM RESOLUTION 1.75 36.91 79362 4180 90.43 0.14773 0.1463 0.1613 0.17466 0.1884 RANDOM 35.251
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] 7.05 7.05 -14.11
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 34.633 r_dihedral_angle_3_deg 12.779 r_dihedral_angle_4_deg 10.461 r_scangle_it 8.853 r_scbond_it 6.973 r_dihedral_angle_1_deg 6.202 r_mcangle_it 5.2 r_mcbond_it 3.392 r_angle_refined_deg 1.122 r_chiral_restr 0.07
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 34.633 r_dihedral_angle_3_deg 12.779 r_dihedral_angle_4_deg 10.461 r_scangle_it 8.853 r_scbond_it 6.973 r_dihedral_angle_1_deg 6.202 r_mcangle_it 5.2 r_mcbond_it 3.392 r_angle_refined_deg 1.122 r_chiral_restr 0.07 r_bond_refined_d 0.009 r_gen_planes_refined 0.004
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 5815 Nucleic Acid Atoms Solvent Atoms 928 Heterogen Atoms 23
Software Software Software Name Purpose CBASS data collection PHASER phasing REFMAC refinement HKL-2000 data reduction SCALEPACK data scaling