Experiment: 1F98

CRYSTAL STRUCTURE OF THE PHOTOACTIVE YELLOW PROTEIN MUTANT T50V

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.2	292	Ammonium Sulfate, HEPES, pH 5.2, VAPOR DIFFUSION, HANGING DROP, temperature 292.0K

Crystal Properties
Matthews coefficient	Solvent content
1.88	34.64

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 67.832	α = 90
b = 67.832	β = 90
c = 39.359	γ = 120

Symmetry
Space Group	P 63

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		1997-12-29	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	CHESS BEAMLINE F1		CHESS	F1

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	1.15	30	96.2	0.039	34.9	3.3	116065	35299	2	4	9.4

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)
	1.15	1.19	83.6		0.067		1.5

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Cut-off Sigma (I)	Cut-off Sigma (F)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work (Depositor)	R-Free (Depositor)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION		1.15	30	4	2	33533	31763	1765	91.4	0.138	0.136	0.132	0.176	RANDOM

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]

RMS Deviations
Key	Refinement Restraint Deviation
s_angle_d	0.032
s_bond_d	0.014

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	983
Nucleic Acid Atoms
Solvent Atoms	109
Heterogen Atoms	11

Software

Software
Software Name	Purpose
XFIT	data reduction
SHELXL-97	refinement
DENZO	data reduction
SCALEPACK	data scaling