3BPQ

Crystal Structure of RelB-RelE antitoxin-toxin complex from Methanococcus jannaschii

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.5	298	20%MPD, 0.1M Bis-Tris pH5.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.67	53.9

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 52.794	α = 90
b = 57.992	β = 92.3
c = 58.747	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	100	CCD	MAR CCD 165 mm	mirrors	2006-07-12	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	BESSY BEAMLINE 14.1	0.94905	BESSY	14.1

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	2.13	50	99.6	0.05	15.4	4.2		19952		3

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	2.13	2.18	98.9		0.421	3.13	4.1	1332

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	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MIR	THROUGHOUT	2.2	20	2	17159	931	99.71	0.24007	0.23825	0.27418	RANDOM	50.042

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]
0.73		3.78	-3.96		3.53

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.571
r_dihedral_angle_3_deg	17.5
r_dihedral_angle_4_deg	14.487
r_dihedral_angle_1_deg	5.217
r_scangle_it	1.403
r_angle_refined_deg	1.058
r_scbond_it	0.961
r_mcangle_it	0.661
r_mcbond_it	0.388
r_nbtor_refined	0.304

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.571
r_dihedral_angle_3_deg	17.5
r_dihedral_angle_4_deg	14.487
r_dihedral_angle_1_deg	5.217
r_scangle_it	1.403
r_angle_refined_deg	1.058
r_scbond_it	0.961
r_mcangle_it	0.661
r_mcbond_it	0.388
r_nbtor_refined	0.304
r_nbd_refined	0.198
r_symmetry_vdw_refined	0.161
r_xyhbond_nbd_refined	0.131
r_symmetry_hbond_refined	0.094
r_chiral_restr	0.074
r_bond_refined_d	0.008
r_gen_planes_refined	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2118
Nucleic Acid Atoms
Solvent Atoms	56
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
MAR345	data collection
HKL-2000	data reduction
SCALEPACK	data scaling
SHARP	phasing

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.