Intermediate state structure of 5'-Deoxy-5'-methylthioadenosine phosphorylase from Aeropyrum pernix at high temperature (363K) after 10 minutes reaction 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, 5mM MTA
Crystal Properties
Matthews coefficientSolvent content
2.2847156546.1974258

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 79.042α = 90
b = 79.042β = 90
c = 233.625γ = 120
Symmetry
Space GroupH 3 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray363PIXELDECTRIS EIGER X 16M2025-07-02MSINGLE 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
12.0844.431000.1940.2150.0920.99713.210.217322
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)
2.082.141001.1231.2420.5260.6742.610.7

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-VALUE1WTA2.0844.431732289499.9540.1450.14390.1560.17410.18232.015
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]
0.2850.1430.285-0.926
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_3_deg15.854
r_dihedral_angle_6_deg14.683
r_lrange_it10.455
r_lrange_other10.454
r_dihedral_angle_2_deg8.18
r_scangle_it8.084
r_scangle_other8.081
r_dihedral_angle_1_deg7.416
r_scbond_it4.967
r_scbond_other4.966
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_3_deg15.854
r_dihedral_angle_6_deg14.683
r_lrange_it10.455
r_lrange_other10.454
r_dihedral_angle_2_deg8.18
r_scangle_it8.084
r_scangle_other8.081
r_dihedral_angle_1_deg7.416
r_scbond_it4.967
r_scbond_other4.966
r_mcangle_it4.386
r_mcangle_other4.384
r_mcbond_it2.824
r_mcbond_other2.821
r_angle_refined_deg1.746
r_angle_other_deg0.564
r_nbd_refined0.213
r_symmetry_nbd_other0.196
r_nbd_other0.187
r_nbtor_refined0.179
r_xyhbond_nbd_refined0.129
r_symmetry_xyhbond_nbd_refined0.118
r_symmetry_nbd_refined0.092
r_symmetry_nbtor_other0.085
r_chiral_restr0.081
r_dihedral_angle_other_2_deg0.055
r_bond_refined_d0.008
r_gen_planes_refined0.008
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 Atoms30
Heterogen Atoms25

Software

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