1ENK

CRYSTAL STRUCTURE OF A PYRIMIDINE DIMER SPECIFIC EXCISION REPAIR ENZYME FROM BACTERIOPHAGE T4: REFINEMENT AT 1.45 ANGSTROMS AND X-RAY ANALYSIS OF THE THREE ACTIVE SITE MUTANTS


X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 41.7 α = 90
b = 40.2 β = 92
c = 37.1 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Radiation
Monochromator Protocol
-- --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline

Refinement

Statistics
Structure Solution Method Refinement High Resolution Refinement Low Resolution Cut-off Sigma (I) Cut-off Sigma (F) Number of Reflections (All) Number of Reflections (Observed) Number of Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) R-Factor (Observed) R-Work R-Free R-Free Selection Details
-- 2.0 10.0 -- 2.0 -- 7868 -- -- -- 0.207 -- -- --
RMS Deviations
Key Refinement Restraint Deviation
p_staggered_tor 25.0
p_mcbond_it 0.66
p_mcangle_it 1.103
p_orthonormal_tor 38.4
p_planar_d 0.053
p_scangle_it 1.213
p_scbond_it 0.77
p_plane_restr 0.004
p_xhyhbond_nbd 0.256
p_chiral_restr 0.022
p_planar_tor 1.6
p_singtor_nbd 0.187
p_multtor_nbd 0.2
p_angle_d 0.04
p_bond_d 0.016
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1128
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 109

Software

Software
Software Name Purpose
PROLSQ refinement