2Q22

Crystal structure of uncharacterized protein (YP_323524.1) from Anabaena variabilis ATCC 29413 at 2.11 A resolution

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	4.18	293	NANODROP, 5.0% PEG 1000, 48.3% Ethylene glycol, 0.1M Sodium acetate pH 4.18, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.84	56.75

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 103.374	α = 90
b = 103.374	β = 90
c = 42.086	γ = 120

Symmetry
Space Group	P 32

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	2007-04-01	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL9-2	0.91837, 0.97939	SSRL	BL9-2

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	2.11	29.841	100	0.118	0.118	5.2	3.8		28912			29.62

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	2.11	2.16	100		0.651	0.651	1.2	3.8	2080

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	2.11	29.841	28891	1467	100	0.193	0.191	0.222	RANDOM	33.42

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]
-0.75	-0.37		-0.75		1.12

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.526
r_dihedral_angle_4_deg	15.002
r_dihedral_angle_3_deg	14.518
r_scangle_it	6.998
r_dihedral_angle_1_deg	5.466
r_scbond_it	5.363
r_mcangle_it	3.24
r_mcbond_it	2.18
r_angle_refined_deg	1.521
r_angle_other_deg	0.933
r_mcbond_other	0.364
r_symmetry_hbond_refined	0.242
r_nbd_refined	0.211
r_symmetry_vdw_other	0.209
r_nbd_other	0.188
r_nbtor_refined	0.184
r_xyhbond_nbd_refined	0.168
r_symmetry_vdw_refined	0.156
r_chiral_restr	0.092
r_nbtor_other	0.088
r_bond_refined_d	0.017
r_gen_planes_refined	0.006
r_bond_other_d	0.002
r_gen_planes_other	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2966
Nucleic Acid Atoms
Solvent Atoms	191
Heterogen Atoms	53

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