2AN0

Crystal Structure of the P332G mutant of the Bacillus subtilis NOS

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	298	PEG 4000, sodium Cacodylate, Potassium Acetate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.84	56.6

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 80.971	α = 90
b = 92.479	β = 90
c = 62.839	γ = 90

Symmetry
Space Group	P 21 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	193	CCD	ADSC QUANTUM 4		2004-06-22	M	SINGLE WAVELENGTH
2	1

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	CHESS BEAMLINE F2	0.93	CHESS	F2
2	SYNCHROTRON	NSLS BEAMLINE X25	0.91	NSLS	X25

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	2.5	30	94.5				86535	1	1

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.5	2.6	69.4

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (All)	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	2.6	30	1	16169	13267	1392	100	0.22128	0.21777	0.25271	RANDOM	47.746

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]
-3.28			-0.53		3.81

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.95
r_dihedral_angle_4_deg	20.313
r_dihedral_angle_3_deg	13.308
r_scangle_it	7.298
r_scbond_it	4.836
r_mcangle_it	3.119
r_mcbond_it	1.99
r_angle_refined_deg	1.638
r_dihedral_angle_1_deg	1.585
r_symmetry_hbond_refined	0.788

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.95
r_dihedral_angle_4_deg	20.313
r_dihedral_angle_3_deg	13.308
r_scangle_it	7.298
r_scbond_it	4.836
r_mcangle_it	3.119
r_mcbond_it	1.99
r_angle_refined_deg	1.638
r_dihedral_angle_1_deg	1.585
r_symmetry_hbond_refined	0.788
r_symmetry_vdw_refined	0.251
r_nbd_refined	0.223
r_xyhbond_nbd_refined	0.144
r_chiral_restr	0.112
r_gen_planes_refined	0.015
r_bond_refined_d	0.013

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2930
Nucleic Acid Atoms
Solvent Atoms	156
Heterogen Atoms	43

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data collection
AMoRE	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.