3NO2

Crystal structure of a protein of unknown function (BACCAC_01654) from Bacteroides caccae at 1.35 A resolution

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	5.5	277	40.000000000% PEG-600, 0.1M Citrate pH 5.5, VAPOR DIFFUSION,SITTING DROP,NANODROP, temperature 277K, VAPOR DIFFUSION, SITTING DROP

Crystal Properties
Matthews coefficient	Solvent content
2.54	51.48

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 46.173	α = 90
b = 63.798	β = 90
c = 105.6	γ = 90

Symmetry
Space Group	P 21 21 21

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 mirror (vertical focusing)	2010-04-08	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL11-1	0.91837,0.97941,0.97894	SSRL	BL11-1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	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	1.35	27.993	97.7	0.058	0.075	10.61			68533		-3	10.556

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	1.35	1.4	95.2		0.505	0.657	1.9

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	1.35	27.993	68472	3466	98.8	0.1475	0.1468	0.1595	RANDOM	14.9537

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]
0.49			-0.28		-0.21

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.602
r_dihedral_angle_4_deg	21.71
r_dihedral_angle_3_deg	11.365
r_dihedral_angle_1_deg	7.036
r_scangle_it	6.154
r_scbond_it	3.874
r_mcangle_it	2.631
r_angle_refined_deg	1.617
r_mcbond_it	1.544
r_angle_other_deg	0.912

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.602
r_dihedral_angle_4_deg	21.71
r_dihedral_angle_3_deg	11.365
r_dihedral_angle_1_deg	7.036
r_scangle_it	6.154
r_scbond_it	3.874
r_mcangle_it	2.631
r_angle_refined_deg	1.617
r_mcbond_it	1.544
r_angle_other_deg	0.912
r_mcbond_other	0.388
r_chiral_restr	0.103
r_bond_refined_d	0.016
r_gen_planes_refined	0.008
r_gen_planes_other	0.002
r_bond_other_d	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2105
Nucleic Acid Atoms
Solvent Atoms	368
Heterogen Atoms	28

Software

Software
Software Name	Purpose
SHELX	phasing
REFMAC	refinement
XSCALE	data scaling
PDB_EXTRACT	data extraction
XDS	data reduction
SHELXD	phasing
autoSHARP	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.