2NLV

CRYSTAL STRUCTURE OF A XISI-LIKE PROTEIN (AVA_3825) FROM ANABAENA VARIABILIS ATCC 29413 AT 1.30 A RESOLUTION


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
182771.0M LiCl, 20.0% PEG-6000, 0.1M TRIS, pH 8.0, VAPOR DIFFUSION, SITTING DROP, NANODROP, temperature 277K
Crystal Properties
Matthews coefficientSolvent content
2.0640.21

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 46.779α = 90
b = 37.354β = 97.22
c = 63.453γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 3152006-09-13MMAD
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONALS BEAMLINE 8.2.21.0000, 0.9795, 0.9792ALS8.2.2

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)R Sym 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
11.329.09998.20.0620.0627.93.65281211.7
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.31.3396.30.6180.6181.23.63797

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMADTHROUGHOUT1.329.09952745267598.130.1760.1750.195RANDOM9.824
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]
0.010.29-0.29
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.736
r_dihedral_angle_4_deg21.174
r_dihedral_angle_3_deg12.956
r_dihedral_angle_1_deg6.642
r_scangle_it5.631
r_scbond_it3.917
r_mcangle_it2.48
r_mcbond_it2.003
r_angle_refined_deg1.758
r_angle_other_deg1
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.736
r_dihedral_angle_4_deg21.174
r_dihedral_angle_3_deg12.956
r_dihedral_angle_1_deg6.642
r_scangle_it5.631
r_scbond_it3.917
r_mcangle_it2.48
r_mcbond_it2.003
r_angle_refined_deg1.758
r_angle_other_deg1
r_mcbond_other0.463
r_symmetry_vdw_refined0.39
r_symmetry_vdw_other0.31
r_nbd_refined0.239
r_nbd_other0.206
r_xyhbond_nbd_refined0.193
r_nbtor_refined0.18
r_symmetry_hbond_refined0.151
r_chiral_restr0.103
r_nbtor_other0.087
r_bond_refined_d0.018
r_gen_planes_refined0.01
r_gen_planes_other0.003
r_bond_other_d0.002
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1808
Nucleic Acid Atoms
Solvent Atoms296
Heterogen Atoms4

Software

Software
Software NamePurpose
MolProbitymodel building
REFMACrefinement
SCALAdata scaling
PDB_EXTRACTdata extraction
MOSFLMdata reduction
CCP4data scaling
SOLVEphasing
RESOLVEphasing