2HQ7

Crystal structure of Protein related to general stress protein 26(GS26) of B.subtilis (pyridoxinephosphate oxidase family) (NP_350077.1) from CLOSTRIDIUM ACETOBUTYLICUM at 2.00 A resolution

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION,SITTING DROP,NANODROP	7	277	0.2M Ca(OAc)2, 20.0% PEG-3000, 0.1M TRIS pH 7.0, VAPOR DIFFUSION,SITTING DROP,NANODROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.07	40.1

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 85.85	α = 90
b = 36.79	β = 113.75
c = 97.97	γ = 90

Symmetry
Space Group	C 1 2 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	MARMOSAIC 325 mm CCD	Flat collimating mirror, toroid focusing mirror	2006-06-19	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL9-2	0.97934, 0.91837	SSRL	BL9-2

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	29.235	93.1	0.064	7.87			19245			33.345

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	2.07	81.9		0.392	2		2980

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MAD	THROUGHOUT	2	29.235	19244	985	99.59	0.193	0.19347	0.191	0.242	RANDOM	31.614

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]
-1.97		-0.5	3.14		-1.57

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	40.026
r_dihedral_angle_4_deg	19.288
r_dihedral_angle_3_deg	15.859
r_scangle_it	7.717
r_dihedral_angle_1_deg	6.313
r_scbond_it	6.24
r_mcangle_it	3.575
r_mcbond_it	2.616
r_angle_refined_deg	1.41
r_angle_other_deg	0.832
r_mcbond_other	0.608
r_nbd_other	0.194
r_nbd_refined	0.188
r_nbtor_refined	0.188
r_xyhbond_nbd_refined	0.18
r_symmetry_vdw_refined	0.175
r_symmetry_vdw_other	0.174
r_symmetry_hbond_refined	0.167
r_nbtor_other	0.091
r_chiral_restr	0.082
r_bond_refined_d	0.015
r_gen_planes_refined	0.005
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2274
Nucleic Acid Atoms
Solvent Atoms	141
Heterogen Atoms	18

Software

Software
Software Name	Purpose
MolProbity	model building
SHELX	phasing
REFMAC	refinement
XSCALE	data scaling
PDB_EXTRACT	data extraction
XDS	data reduction
autoSHARP	phasing