3CFF

Photoswitchable red fluorescent protein psRFP, on-state

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.2	298	0.2M di-Sodium tartate, 40%(w/v) MPD, pH 7.2, VAPOR DIFFUSION, SITTING DROP, temperature 298.0K

Crystal Properties
Matthews coefficient	Solvent content
2.83	56.54

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 98.418	α = 90
b = 98.36	β = 90
c = 242.626	γ = 90

Symmetry
Space Group	C 2 2 21

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	MAR CCD 165 mm	mirror	2007-11-18	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	MPG/DESY, HAMBURG BEAMLINE BW6	1.05	MPG/DESY, HAMBURG	BW6

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	1.8	20	97	0.073		4.5	105610	102342		2	30.8

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)
	1.8	1.83	95.6		0.58	2.3	4.2	5233

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 3CFA	1.8	12.27	105610	100059	5260	97.05	0.19753	0.19611	0.22401	RANDOM	35.822

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]
1.15			1.47		-2.62

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.077
r_dihedral_angle_4_deg	16.396
r_dihedral_angle_3_deg	14.374
r_dihedral_angle_1_deg	6.038
r_scangle_it	1.673
r_angle_refined_deg	1.095
r_scbond_it	1.078
r_mcangle_it	0.892
r_mcbond_it	0.527
r_nbtor_refined	0.299
r_symmetry_hbond_refined	0.198
r_nbd_refined	0.195
r_symmetry_vdw_refined	0.164
r_xyhbond_nbd_refined	0.157
r_chiral_restr	0.07
r_bond_refined_d	0.006
r_gen_planes_refined	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	7524
Nucleic Acid Atoms
Solvent Atoms	917
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
MAR345dtb	data collection
DENZO	data reduction
SCALEPACK	data scaling
MOLREP	phasing