2R3S | pdb_00002r3s

CRYSTAL STRUCTURE OF A PUTATIVE O-METHYLTRANSFERASE (NPUN_R0239) FROM NOSTOC PUNCTIFORME PCC 73102 AT 2.15 A RESOLUTION


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP277NANODROP, 0.2M Sodium chloride, 1.0M Sodium citrate, VAPOR DIFFUSION, SITTING DROP, temperature 277K
Crystal Properties
Matthews coefficientSolvent content
2.6954.22

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 93.9α = 90
b = 93.9β = 90
c = 180.52γ = 90
Symmetry
Space GroupP 41 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 325 mm CCDFlat mirror (vertical focusing)2007-07-25MMAD
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSSRL BEAMLINE BL11-10.91837, 0.97901, 0.97925SSRLBL11-1

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)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
12.1529.69699.60.07514.357.254473734.18
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.152.2398.50.5962.25

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Factor (Observed)R-Work (Depositor)R-Work (DCC)R-Free (Depositor)R-Free (DCC)R-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMADTHROUGHOUT2.1529.69644659224599.810.190.190.1880.190.2280.23RANDOM29.828
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]
0.70.7-1.4
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg33.654
r_dihedral_angle_4_deg17.323
r_dihedral_angle_3_deg14.86
r_scangle_it6.237
r_dihedral_angle_1_deg6.218
r_scbond_it4.693
r_mcangle_it2.826
r_mcbond_it1.8
r_angle_refined_deg1.348
r_angle_other_deg0.972
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4976
Nucleic Acid Atoms
Solvent Atoms308
Heterogen Atoms42

Software

Software
Software NamePurpose
REFMACrefinement
PHENIXrefinement
SOLVEphasing
MolProbitymodel building
XSCALEdata scaling
PDB_EXTRACTdata extraction
MAR345data collection
XDSdata reduction