Experiment: 2FS8

Human beta-tryptase II with inhibitor CRA-29382

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	4.6	293	2mg/mL protein in 10mM MES, pH 6.1, 2M NaCl mixed in reservoir solution containing 0.1 M NaOAc, pH 4.6, 0.2 M ammonium sulfate, 30% PEG 1500. Crystallization drops were set up using various ratios of protein solution to crystallization solution. Crystals appropriate for diffraction studies appeared in 2-5 days at room temperature, VAPOR DIFFUSION, HANGING DROP, temperature 293.0K

Crystal Properties
Matthews coefficient	Solvent content
2.65	53.67

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 78.202	α = 90
b = 78.202	β = 90
c = 165.516	γ = 120

Symmetry
Space Group	P 31

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	CCD	ADSC QUANTUM 4		2004-10-09	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 5.0.1	1.00	ALS	5.0.1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge 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	2.5	42.78	99.9	0.101			39151	39151		-3

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	2.5	2.54	98.5	98.5	0.557

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	2.5	42.78	36299	3659	92.7	0.21	0.205	0.1973	0.25	0.2418	RANDOM	29.365

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]
-3.942	-6.282		-3.942		7.883

RMS Deviations
Key	Refinement Restraint Deviation
c_angle_deg	1.7
c_bond_d	0.011

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	7680
Nucleic Acid Atoms
Solvent Atoms	196
Heterogen Atoms	164

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
EPMR	phasing
CNS	refinement
PDB_EXTRACT	data extraction
HKL-2000	data reduction