4O6O

Structural and functional studies the characterization of 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	6.4	293	8%(W/V) PEG3350, 200MM LITHIUM CITRIC TRIBASIC TETRAHYDRATE, 100MM MES, pH 6.4, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
3.07	59.97

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 90.604	α = 90
b = 67.912	β = 92.98
c = 94.364	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						M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	PHOTON FACTORY BEAMLINE BL-17A	0.9875	Photon Factory	BL-17A

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					21645

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	20	21645	1156	98.5	0.222	0.22	0.255	RANDOM	76.9

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]
-3.24		2.45	6.72		-3.23

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.666
r_dihedral_angle_3_deg	22.118
r_dihedral_angle_4_deg	20.088
r_scangle_it	9.35
r_dihedral_angle_1_deg	7.275
r_mcangle_it	7.151
r_scbond_it	5.185
r_mcbond_it	3.945
r_rigid_bond_restr	3.301
r_angle_refined_deg	1.946

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.666
r_dihedral_angle_3_deg	22.118
r_dihedral_angle_4_deg	20.088
r_scangle_it	9.35
r_dihedral_angle_1_deg	7.275
r_mcangle_it	7.151
r_scbond_it	5.185
r_mcbond_it	3.945
r_rigid_bond_restr	3.301
r_angle_refined_deg	1.946
r_chiral_restr	0.115
r_bond_refined_d	0.019
r_gen_planes_refined	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6058
Nucleic Acid Atoms
Solvent Atoms	132
Heterogen Atoms	19

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.