1PPB

THE REFINED 1.9 ANGSTROMS CRYSTAL STRUCTURE OF HUMAN ALPHA-THROMBIN: INTERACTION WITH D-PHE-PRO-ARG CHLOROMETHYLKETONE AND SIGNIFICANCE OF THE TYR-PRO-PRO-TRP INSERTION SEGMENT


X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 87.74 α = 90
b = 67.81 β = 90
c = 61.07 γ = 90
Symmetry
Space Group P 21 21 21

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
-- 1.92 -- -- -- -- -- -- -- -- 0.156 0.156 -- --
RMS Deviations
Key Refinement Restraint Deviation
x_angle_deg 3.137
x_bond_d 0.013
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2380
Nucleic Acid Atoms 0
Heterogen Atoms 30
Solvent Atoms 409

Software

Software
Software Name Purpose
X-PLOR model building
X-PLOR refinement
X-PLOR phasing