6FN3

X-ray structure of animal-like Cryptochrome from Chlamydomonas reinhardtii

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		278	.1 M 2-(N-morpholino)ethanesulfonic acid (MES), pH 6.0, 31 % PEG 5000

Crystal Properties
Matthews coefficient	Solvent content
2.14	42.56

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 151.8	α = 90
b = 50.13	β = 90
c = 65.07	γ = 90

Symmetry
Space Group	P 21 21 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	RAYONIX MX-225		2013-12-19	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	BESSY BEAMLINE 14.3	0.894	BESSY	14.3

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	1.9	75.9	95.5	0.058	13.69	2		38187

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	1.9	2	96.6		0.211	4.35	2

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	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		THROUGHOUT	1.9	75.9	37003	1184	95.56	0.16499	0.16362	0.20628	RANDOM	13.64

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]
1.83			-0.59		-1.24

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.226
r_dihedral_angle_4_deg	13.988
r_dihedral_angle_3_deg	12.91
r_dihedral_angle_1_deg	5.728
r_long_range_B_refined	4.976
r_long_range_B_other	4.976
r_scangle_other	2.789
r_scbond_it	1.806
r_scbond_other	1.788
r_mcangle_it	1.7
r_mcangle_other	1.7
r_angle_refined_deg	1.416
r_mcbond_it	1.094
r_mcbond_other	1.091
r_angle_other_deg	0.968
r_chiral_restr	0.087
r_bond_refined_d	0.009
r_gen_planes_refined	0.006
r_bond_other_d	0.002
r_gen_planes_other	0.002
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_scangle_it
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3920
Nucleic Acid Atoms
Solvent Atoms	442
Heterogen Atoms	136

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
SCALA	data scaling
PHASER	phasing