High temperature (353K) crystal structure of 5'-Deoxy-5'-methylthioadenosine phosphorylase from Aeropyrum pernix with substrate


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1WTA 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1COUNTER-DIFFUSION5.4293.2The mixture of protein solution and agarose, methylcellulose was filled into a glass capillary, and the capillary was immersed in the reservoir solution for crystallization. The composition of the reservoir solution was as follows. 15%(v/v) PEG 200, 0.1M phosphate citrate pH5.4, 5 mM MTA
Crystal Properties
Matthews coefficientSolvent content
2.2878851946.2719612

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 79.076α = 90
b = 79.076β = 90
c = 233.748γ = 120
Symmetry
Space GroupH 3 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray353PIXELDECTRIS EIGER X 16M2025-06-26MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONPHOTON FACTORY BEAMLINE BL-17A0.98Photon FactoryBL-17A

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Rrim I (All)Rpim I (All)CC (Half)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
11.8344.451000.1450.1610.0690.99710.710.125314
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Rrim I (All)Rpim I (All)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
1.831.871001.0661.190.5250.7052.99.8

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Work (Depositor)R-Work (DCC)R-Free (Depositor)R-Free (DCC)Mean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTFREE R-VALUE1WTA1.8344.4525313126299.9680.1420.14020.15220.16780.174728.902
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]
0.1550.0770.155-0.503
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_6_deg14.985
r_dihedral_angle_3_deg14.078
r_lrange_other9.967
r_lrange_it9.964
r_dihedral_angle_2_deg8.093
r_scangle_other8.081
r_scangle_it8.075
r_dihedral_angle_1_deg7.274
r_scbond_other5.052
r_scbond_it5.049
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_6_deg14.985
r_dihedral_angle_3_deg14.078
r_lrange_other9.967
r_lrange_it9.964
r_dihedral_angle_2_deg8.093
r_scangle_other8.081
r_scangle_it8.075
r_dihedral_angle_1_deg7.274
r_scbond_other5.052
r_scbond_it5.049
r_mcangle_it3.981
r_mcangle_other3.979
r_mcbond_it2.764
r_mcbond_other2.764
r_angle_refined_deg1.805
r_angle_other_deg0.606
r_nbd_refined0.215
r_symmetry_nbd_other0.196
r_nbd_other0.185
r_nbtor_refined0.18
r_xyhbond_nbd_refined0.141
r_symmetry_xyhbond_nbd_refined0.137
r_symmetry_nbd_refined0.117
r_chiral_restr0.089
r_symmetry_nbtor_other0.085
r_dihedral_angle_other_2_deg0.022
r_bond_refined_d0.01
r_gen_planes_refined0.01
r_bond_other_d0.001
r_gen_planes_other0.001
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2142
Nucleic Acid Atoms
Solvent Atoms38
Heterogen Atoms25

Software

Software
Software NamePurpose
REFMACrefinement
REFMACrefinement
Cootmodel building
MOLREPphasing
Aimlessdata scaling
XDSdata reduction