4ZRR

Crystal Structure of Monomeric Bacteriophytochrome mutant D207L Y263F at 1.5 A resolution Using a home source.

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	4O8G

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	4	298	Crystals of D207L-Y263F phytochrome mutant were grown from hanging drop vapor diffusion in 20% PEG400, starting protein concentration of 20 mg/ml, and 0.1M phosphate citrate buffer at pH 4.0.

Crystal Properties
Matthews coefficient	Solvent content
2.45	51.62

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 94.819	α = 90
b = 55.046	β = 91.89
c = 69.797	γ = 90

Symmetry
Space Group	C 1 2 1

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	BRUKER SMART 6000		2015-02-14	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	BRUKER AXS MICROSTAR	1.5418

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Sym 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	1.5	47.6	96	0.05	14.69	2.9		54864			10.84

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	1.5	1.55	91.2		0.179	4.83	4

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	MOLECULAR REPLACEMENT	THROUGHOUT	4O8G	1.5	25	52043	2709	95.9	0.162	0.16	0.195	RANDOM	18.84

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]
0.04		-0.03	0.08		-0.12

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.317
r_sphericity_free	27.097
r_dihedral_angle_3_deg	13.078
r_dihedral_angle_4_deg	9.571
r_sphericity_bonded	6.543
r_dihedral_angle_1_deg	6.303
r_long_range_B_refined	2.59
r_long_range_B_other	2.59
r_mcangle_it	1.398
r_mcangle_other	1.398
r_scangle_other	1.394
r_angle_refined_deg	1.389
r_scbond_it	1.199
r_scbond_other	1.199
r_mcbond_it	1.1
r_mcbond_other	1.096
r_angle_other_deg	1.026
r_rigid_bond_restr	0.999
r_chiral_restr	0.123
r_bond_refined_d	0.007
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

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2362
Nucleic Acid Atoms
Solvent Atoms	288
Heterogen Atoms	105

Software

Software
Software Name	Purpose
REFMAC	refinement
SAINT	data reduction
SAINT	data scaling
PHASER	phasing