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Crystal structure of a C-terminal proteolytic fragment of a protein annotated as an LAO/AO transport system ATPase but likely MeaB and MMAA-like GTPase from Mycobacterium smegmatis
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details in silico model Other two 10-residue helices via ARCIMBOLDO
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 7 290 RigakuReagents JCSG+ screen, condition G7: 15% PEG 3350, 100mM succinic acid / NaOH pH 7.0: MysmA.00200.a.A1.PS00535 at 60.5mg/ml: cryo: 25% EG: tray: 215267 G7: puck DZB0-10: no protease was intentionally added
Crystal Properties Matthews coefficient Solvent content 3.01 59
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 48.53 α = 90 b = 48.53 β = 90 c = 54.82 γ = 120
Symmetry Space Group P 31 2 1
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 315r 2010-07-10 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ALS BEAMLINE 5.0.2 0.9999 ALS 5.0.2
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) CC (Half) 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 1.6 19.622 99.1 0.033 0.037 1 24.59 4.624 10171 22.03
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.6 1.64 99.7 0.468 0.527 0.937 2.75 4.681
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (F) 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) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT 2x 10-residue helices via Acrimboldo 1.6 19.622 1.34 10103 979 98.7 0.1774 0.1744 0.1747 0.208 0.2061 32.4202
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]
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 384 Nucleic Acid Atoms Solvent Atoms 75 Heterogen Atoms 8
Software Software Software Name Purpose XDS data reduction XSCALE data scaling PHENIX refinement PDB_EXTRACT data extraction Arcimboldo phasing PHASER phasing ARP/wARP model building Coot model building