X-RAY DIFFRACTION

Crystallization Details
Method pH Temprature Details
X-RAY DIFFRACTION 4.7 ? CRYSTALLISATION TOOK PLACE AS A GROUND CONTROL TO HEWL CRYSTALLISATION IN THE EUROPEAN SPACE AGENCY (ESA) ADVANCED PROTEIN CRYSTALLISATION FACILITY (APCF) ONBOARD THE NASA SPACE SHUTTLE'S LIFE AND MICROGRAVITY SPACELAB (LMS) MISSION (STS-78). A SOLUTION OF 21 MG OF HEN EGG WHITE LYSOZYME (3 X CRYSTALLIZED, DIALYSED AND LYOPHILIZED POWDER OF CHICKEN EGG WHITE LYSOZYME SUPPLIED BY SIGMA, L-6876 BATCH NUMBER, LOT 53H7145) DISSOLVED IN 250 UL 0.04 M ACETATE BUFFER (PH 4.7) WAS USED TO FILL THE PROTEIN CHAMBER (188 UL). THE SALT CHAMBERS (541 UL) WERE FILLED WITH 1.35 M NACL AND THE BUFFER CHAMBER (59 UL) WITH 0.04 M ACETATE BUFFER (PH 4.7). SODIUM AZIDE WAS ALSO ADDED TO THE PROTEIN AND BUFFER SOLUTION AS AN ANTI-FUNGAL AGENT (1.92 MG PER 188 UL). CRYSTALLISATION TOOK PLACE AT 20+/-1 C.
Unit Cell:
a: 79.266 Å b: 79.266 Å c: 37.956 Å α: 90.00° β: 90.00° γ: 90.00°
Symmetry:
Space Group: P 43 21 2
Crystal Properties:
Matthew's Coefficient: 2.08 Solvent Content: 40.86
Refinement Statistics
Diffraction ID Structure Solution Method Cross Validation Method Resolution Limit (High) Resolution Limit (Low) Number of Reflections (Observed) Number of Reflections (R-free) Percent Reflections (Observed) R-Work R-Free Mean Isotropic
X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT 1.80 20.00 10967 ? 94.0 0.184 0.233 23.2
Data Collection
Overall
Resolution Limit (High) Resolution Limit (Low) Percent Possible (Observed) R Merge I (Observed) R Sym I (Observed) Net I Over Average Sigma (I) Redundancy Number Reflections (All) Number Reflections (Observed) Observed Criterion Sigma (F) Observed Criterion Sigma (I) B (Isotropic) From Wilson Plot
1.7 99 88.8 0.069 0.074 22 5.9 ? 12309 ? ? ?
Highest Resolution Shell
# Resolution Limits (Low) Resolution Limits (High) Percent Possible (All) Percent Possible (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All)
1
Diffraction
Diffraction experiment
Crystal ID Scattering Type Data Collection Temprature Detector Detector Type Details Collection Date Monochromator Protocol
1 293 K
Radiation Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RU200 ? ? ?
Software
Software Name Purpose Version
DENZO data reduction .
SCALEPACK data scaling .
X-PLOR refinement 3.1