3BL4

Crystal structure of a protein with unknown function (arth_0117) from arthrobacter sp. fb24 at 2.20 A resolution

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	10.8	293	NANODROP, 1.86M Ammonium sulfate, 0.2M Lithium sulfate, 0.1M CAPS pH 10.8, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
1.99	38.11

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 35.373	α = 90
b = 56.127	β = 90
c = 106.335	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)	2007-11-20	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL11-1	0.91837, 0.97966	SSRL	BL11-1

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	2.2	29.975	100	0.089	0.089	7	3.4		11329			24.92

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	2.2	2.26	100		0.417	0.417	1.8	3.5	799

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	2.2	29.975	11284	1104	99.9	0.19	0.184	0.248	RANDOM	25.782

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]
0.99			2.24		-3.22

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	28.221
r_dihedral_angle_4_deg	19.477
r_dihedral_angle_3_deg	14.978
r_dihedral_angle_1_deg	5.69
r_scangle_it	5.629
r_scbond_it	4.217
r_mcangle_it	2.473
r_mcbond_it	1.518
r_angle_refined_deg	1.158
r_angle_other_deg	0.849
r_mcbond_other	0.328
r_symmetry_vdw_other	0.209
r_symmetry_vdw_refined	0.198
r_nbd_other	0.194
r_nbd_refined	0.184
r_nbtor_refined	0.17
r_xyhbond_nbd_refined	0.157
r_nbtor_other	0.087
r_chiral_restr	0.057
r_symmetry_hbond_refined	0.043
r_bond_refined_d	0.012
r_gen_planes_refined	0.004
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1687
Nucleic Acid Atoms
Solvent Atoms	82
Heterogen Atoms	33

Software

Software
Software Name	Purpose
REFMAC	refinement
PHENIX	refinement
SOLVE	phasing
MolProbity	model building
SCALA	data scaling
PDB_EXTRACT	data extraction
MAR345	data collection
MOSFLM	data reduction