1S1Y

Photoactivated chromophore conformation in Photoactive Yellow Protein (E46Q mutant) from 10 microseconds to 3 milliseconds

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7	293	ammonium sulfate, sodium phosphate, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
1.91	35.52

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 66.917	α = 90
b = 66.917	β = 90
c = 41.002	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	neutron	288	CCD	ADSC QUANTUM 4		2001-03-23	L	LAUE
2	1	neutron	288	IMAGE PLATE	MARRESEARCH		2001-09-20	L	LAUE
3	1	neutron	288	CCD	MARRESEARCH		2001-12-19	L	LAUE
4	1	neutron	288	CCD	MARRESEARCH		2001-12-06	L	LAUE

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 14-ID-B		APS	14-ID-B
2	SYNCHROTRON	APS BEAMLINE 14-ID-B		APS	14-ID-B
3	SYNCHROTRON	APS BEAMLINE 14-ID-B		APS	14-ID-B
4	SYNCHROTRON	ESRF BEAMLINE ID09		ESRF	ID09

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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
1,2,3,4	1.6	100	95.8				13371	2	2

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	1.6	1.67	83.8

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	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	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1.6	100	4	13371	13201	669	95.8	0.0664	0.0655	0.0639	0.0702	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]

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1222
Nucleic Acid Atoms
Solvent Atoms	111
Heterogen Atoms	26

Software

Software
Software Name	Purpose
LaueView	data scaling
LaueView	data reduction
XTALVIEW	refinement
SHELXL-97	refinement

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.