2O3L

Crystal structure of a duf1048 protein with a left-handed superhelix fold (bce_3448) from bacillus cereus atcc 10987 at 2.05 A resolution

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP, NANODROP	6	277	0.8M (NH4)2SO4, 0.1M MES pH 6.0, VAPOR DIFFUSION, SITTING DROP, NANODROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.78	55.71

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 61.202	α = 90
b = 61.202	β = 90
c = 101.702	γ = 120

Symmetry
Space Group	P 32 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 300 mm CCD	Adjustable focusing mirrors in K-B geometry	2006-10-19	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 23-ID-D	0.97921, 0.97942, 0.94645	APS	23-ID-D

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym 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	1.999	29.298	99.8	0.071	0.071	6.4	5.2		14352			31.23

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.05	2.1	99.3		0.635	0.635	1.1	5.1	1040

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MAD	THROUGHOUT	2.05	29.298	14319	723	99.82	0.186	0.184	0.227	RANDOM	39.551

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]
0.87	0.43		0.87		-1.3

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.524
r_dihedral_angle_3_deg	14.636
r_dihedral_angle_4_deg	9.518
r_scangle_it	8.363
r_scbond_it	6.955
r_dihedral_angle_1_deg	5.699
r_mcangle_it	3.489
r_mcbond_it	2.487
r_angle_refined_deg	1.501
r_angle_other_deg	0.858
r_mcbond_other	0.658
r_nbd_refined	0.222
r_symmetry_vdw_other	0.222
r_nbtor_refined	0.192
r_symmetry_vdw_refined	0.18
r_nbd_other	0.169
r_xyhbond_nbd_refined	0.154
r_symmetry_hbond_refined	0.097
r_chiral_restr	0.093
r_nbtor_other	0.087
r_bond_refined_d	0.018
r_gen_planes_refined	0.006
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1263
Nucleic Acid Atoms
Solvent Atoms	106
Heterogen Atoms	23

Software

Software
Software Name	Purpose
MolProbity	model building
SHELX	phasing
REFMAC	refinement
SCALA	data scaling
PDB_EXTRACT	data extraction
MOSFLM	data reduction
CCP4	data scaling
SHELXD	phasing
autoSHARP	phasing