4ICI

Crystal structure of a putative flavoprotein (BACEGG_01620) from Bacteroides eggerthii DSM 20697 at 1.40 A resolution

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.5	293	1.40M tri-Sodium Citrate, 0.1M sodium HEPES pH 7.5, NANODROP, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.8	56.15

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 85.625	α = 90
b = 85.625	β = 90
c = 58.134	γ = 90

Symmetry
Space Group	I 41

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	ADSC QUANTUM 315	KOHZU: Double Crystal Si(111)	2012-11-21	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 8.2.2	0.918401,0.979493,0.979199	ALS	8.2.2

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.4	29.067	98.4	0.085	9.2	3.9	40475	40475			12.318

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	1.4	1.44	99.5		0.689	0.689	2.2	3.9	2976

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	1.4	29.067	40456	2029	97.83	0.1163	0.1147	0.1468	RANDOM	17.776

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]
-0.28			-0.28		0.56

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.49
r_dihedral_angle_3_deg	10.655
r_dihedral_angle_4_deg	8.613
r_sphericity_free	7.658
r_scangle_it	6.033
r_dihedral_angle_1_deg	5.995
r_scbond_it	4.605
r_sphericity_bonded	4.23
r_mcangle_it	3.441
r_mcbond_it	2.419
r_rigid_bond_restr	1.906
r_angle_refined_deg	1.622
r_mcbond_other	1.603
r_angle_other_deg	1.027
r_chiral_restr	0.083
r_bond_refined_d	0.014
r_gen_planes_refined	0.008
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1214
Nucleic Acid Atoms
Solvent Atoms	255
Heterogen Atoms	64

Software

Software
Software Name	Purpose
MolProbity	model building
PDB_EXTRACT	data extraction
SOLVE	phasing
SCALA	data scaling
REFMAC	refinement
MOSFLM	data reduction