Experiment: 7TWA

Crystal structure of apo BesC from Streptomyces cattleya

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	293	SeMet crystals were prepared by micro-seeding equal volumes of protein solution (10 mg/mL BesC in 50 mM HEPES pH 7.5 and 1 mM TCEP) and reservoir solution (calcium acetate (0.6 mM), PEG 3350 (25% (v/v)) and 1,3 butane-diol (4%))

Crystal Properties
Matthews coefficient	Solvent content
2.26	45.53

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 60.917	α = 90
b = 68.977	β = 89.99
c = 126.748	γ = 90

Symmetry
Space Group	P 1 21 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	194	PIXEL	DECTRIS PILATUS3 S 6M		2016-12-14	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 8.3.1	0.953680	ALS	8.3.1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	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	1.7	126.75	99.7	0.08	0.085	0.029	0.999	14.2	8.2		115301

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.7	1.73	94.6		0.635	0.688	0.258	0.917		6.8

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	MAD	THROUGHOUT	1.7	126.748	34.43	115276	5740	99.71	0.2355	0.1988	0.1976	0.2471	0.2441	20.2981

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]

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	20.123
f_angle_d	0.54
f_chiral_restr	0.038
f_bond_d	0.004
f_plane_restr	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	7222
Nucleic Acid Atoms
Solvent Atoms	948
Heterogen Atoms	39

Software

Software
Software Name	Purpose
PHENIX	refinement
Aimless	data scaling
PDB_EXTRACT	data extraction
XDS	data reduction
PHENIX	phasing