4O6P

Structural and functional studies the characterization of C58G/C70G mutant in Cys4 Zinc-finger motif in the recombination mediator protein RecR

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.15	293	12%(W/V) PEG33500, 100MM SODIUM ACETATE, 2%(W/V) TACSIMATE, pH 5.15, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.99	58.91

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 93.862	α = 90
b = 65.754	β = 95.41
c = 91.755	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	IMAGE PLATE	MAR scanner 345 mm plate			M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRF BEAMLINE BL17U	1.005	SSRF	BL17U

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	2.7	20					10641

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	3VDP	3	19.84	10641	568	99.5	0.236	0.235	0.253	RANDOM	72.2

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]
-0.13		0.08	0.08		0.07

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.319
r_dihedral_angle_3_deg	24.108
r_dihedral_angle_4_deg	22.261
r_dihedral_angle_1_deg	7.454
r_scangle_it	2.912
r_angle_refined_deg	1.858
r_scbond_it	1.677
r_mcangle_it	1.295
r_mcbond_it	0.682
r_chiral_restr	0.121

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.319
r_dihedral_angle_3_deg	24.108
r_dihedral_angle_4_deg	22.261
r_dihedral_angle_1_deg	7.454
r_scangle_it	2.912
r_angle_refined_deg	1.858
r_scbond_it	1.677
r_mcangle_it	1.295
r_mcbond_it	0.682
r_chiral_restr	0.121
r_bond_refined_d	0.017
r_gen_planes_refined	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3047
Nucleic Acid Atoms
Solvent Atoms	71
Heterogen Atoms	2

Software

Software
Software Name	Purpose
PHASES	phasing
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.