4PPF

Mycobacterium tuberculosis RecA citrate bound low temperature structure IIA-N

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.8	298	15% PEG 3350, 10% PEG 5000 MME, 0.2M AMMONIUM ACETATE, 0.1M SODIUM CITRATE, pH 5.8, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
3.12	60.59

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 107.02	α = 90
b = 107.02	β = 90
c = 70.27	γ = 120

Symmetry
Space Group	P 61

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	MARMOSAIC 225 mm CCD	Bent collimating mirror and toroid	2013-04-27	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE BM14	0.976	ESRF	BM14

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	2.3	46.34		0.084	18	10.5		19963			41

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	2.3	2.42			0.876	2	6.7	2835

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	PDB ENTRY 1G19	2.3	30	17909	2053	97.39	0.18938	0.18441	0.23478	RANDOM	47.901

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]
-0.16	-0.16		-0.16		0.53

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.49
r_dihedral_angle_4_deg	21.585
r_dihedral_angle_3_deg	14.885
r_dihedral_angle_1_deg	5.424
r_angle_refined_deg	1.165
r_angle_other_deg	0.732
r_chiral_restr	0.067
r_bond_refined_d	0.007
r_gen_planes_refined	0.004
r_bond_other_d	0.001

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.49
r_dihedral_angle_4_deg	21.585
r_dihedral_angle_3_deg	14.885
r_dihedral_angle_1_deg	5.424
r_angle_refined_deg	1.165
r_angle_other_deg	0.732
r_chiral_restr	0.067
r_bond_refined_d	0.007
r_gen_planes_refined	0.004
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2263
Nucleic Acid Atoms
Solvent Atoms	110
Heterogen Atoms	31

Software

Software
Software Name	Purpose
MAR345dtb	data collection
PHASER	phasing
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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.