3H7Y

Crystal structure of BacB, an enzyme involved in Bacilysin synthesis, in tetragonal form

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	MICROBATCH	6.8	288	0.1M Tris, 10% PEG 8000, 60% MPD, 0.2M NaCl, pH 6.8, Micro batch, temperature 288K

Crystal Properties
Matthews coefficient	Solvent content
2.23	44.85

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 68.661	α = 90
b = 68.661	β = 90
c = 211.525	γ = 90

Symmetry
Space Group	P 41 21 2

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		2006-09-07	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU	1.5418

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	2.22	35.25	99.58	0.102	31.3	22.1		25906	2	2

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	2.21	2.33	87		0.381	10.1	23.3	3264

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Cut-off Sigma (I)	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	SAD	THROUGHOUT	2.22	34.33	2	2	24587	1315	99.58	0.2056	0.20272	0.25955	RANDOM	11.037

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]
0.02			0.02		-0.04

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.258
r_dihedral_angle_3_deg	14.231
r_dihedral_angle_4_deg	13.532
r_dihedral_angle_1_deg	6.504
r_scangle_it	1.871
r_scbond_it	1.12
r_angle_refined_deg	1.026
r_mcangle_it	0.817
r_mcbond_it	0.432
r_chiral_restr	0.067
r_bond_refined_d	0.006
r_gen_planes_refined	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3538
Nucleic Acid Atoms
Solvent Atoms	163
Heterogen Atoms	29

Software

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