2IYI

structure of a light-induced intermediate of the BLUF domain of the rhodobacterial protein AppA

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		8.5		pH 8.50

Crystal Properties
Matthews coefficient	Solvent content
2.96	58.09

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 126.4	α = 90
b = 126.4	β = 90
c = 64.9	γ = 120

Symmetry
Space Group	P 65 2 2

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	MARRESEARCH			M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X10SA		SLS	X10SA

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	2.8	20	100	0.07	20	7		6700		4.5

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	2.95	3.03	99.8		0.25	6	7.3

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	SAD	THROUGHOUT	2.95	19.86	6362	335	100	0.19	0.188	0.228	RANDOM	49.97

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]
1.93	0.96		1.93		-2.89

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.216
r_dihedral_angle_3_deg	21.653
r_dihedral_angle_4_deg	18.692
r_dihedral_angle_1_deg	6.299
r_scangle_it	2.635
r_scbond_it	1.778
r_angle_refined_deg	1.422
r_mcangle_it	0.933
r_mcbond_it	0.534
r_symmetry_vdw_refined	0.334
r_nbtor_refined	0.314
r_nbd_refined	0.232
r_symmetry_hbond_refined	0.155
r_xyhbond_nbd_refined	0.149
r_chiral_restr	0.088
r_bond_refined_d	0.012
r_gen_planes_refined	0.004
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1681
Nucleic Acid Atoms
Solvent Atoms	48
Heterogen Atoms	78

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
XSCALE	data scaling