3H14

Crystal structure of a putative aminotransferase from Silicibacter pomeroyi

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		294	200mM Calcium acetate, 25% PEG 3350, VAPOR DIFFUSION, SITTING DROP, temperature 294K

Crystal Properties
Matthews coefficient	Solvent content
2.17	43.27

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 59.367	α = 90
b = 86.376	β = 90
c = 144.325	γ = 90

Symmetry
Space Group	C 2 2 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	MAR CCD 165 mm		2009-04-09	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 31-ID	0.97929	APS	31-ID

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	1.9	21.81	99.9	0.098	17	14.6		29683			19.559

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.9	2	100		0.489	6.7	14.6	4287

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	SAD	THROUGHOUT	1.9	21.81	29645	1503	100	0.192	0.189	0.238	RANDOM	25.844

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]
-0.01			-0.02		0.03

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.752
r_dihedral_angle_4_deg	14.663
r_dihedral_angle_3_deg	13.022
r_dihedral_angle_1_deg	5.445
r_scangle_it	3.57
r_scbond_it	2.694
r_angle_refined_deg	1.497
r_mcangle_it	1.369
r_mcbond_it	1.165
r_angle_other_deg	0.971
r_symmetry_hbond_refined	0.291
r_symmetry_vdw_other	0.264
r_mcbond_other	0.251
r_nbd_refined	0.218
r_nbd_other	0.194
r_nbtor_refined	0.174
r_xyhbond_nbd_refined	0.136
r_symmetry_vdw_refined	0.12
r_nbtor_other	0.088
r_chiral_restr	0.086
r_bond_refined_d	0.015
r_gen_planes_refined	0.006
r_bond_other_d	0.002
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2727
Nucleic Acid Atoms
Solvent Atoms	231
Heterogen Atoms	12

Software

Software
Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
MAR345	data collection
MOSFLM	data reduction
SCALA	data scaling
HKL2Map	phasing