3BLN

Crystal structure of acetyltransferase GNAT family (NP_981174.1) from Bacillus cereus ATCC 10987 at 1.31 A resolution

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	4.5	277	NANODROP, 10.0% Glycerol, 35.0% MPD, 0.1M Acetate pH 4.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.22	44.54

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 43.37	α = 90
b = 89.553	β = 90
c = 37.228	γ = 90

Symmetry
Space Group	P 21 21 2

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 300 mm CCD	Adjustable focusing mirrors in K-B geometry	2007-10-26	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 23-ID-D	0.91840, 0.97953, 0.97939	APS	23-ID-D

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	1.31	28.63	95.4	0.103	0.103	2.1	3.3		34064			12.24

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	1.31	1.34	71.7		0.375	0.375	1.9	2	1844

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	1.31	28.63	34028	1714	95.39	0.138	0.137	0.173	RANDOM	11.328

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]
0.04			-0.13		0.08

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.637
r_dihedral_angle_4_deg	19.863
r_dihedral_angle_3_deg	11.614
r_sphericity_free	8.766
r_dihedral_angle_1_deg	6.437
r_scangle_it	5.969
r_sphericity_bonded	4.656
r_scbond_it	4.612
r_mcangle_it	3.645
r_mcbond_it	2.764
r_rigid_bond_restr	2.564
r_mcbond_other	1.878
r_angle_refined_deg	1.603
r_angle_other_deg	0.994
r_symmetry_vdw_other	0.255
r_nbd_refined	0.232
r_nbd_other	0.199
r_symmetry_hbond_refined	0.194
r_nbtor_refined	0.179
r_symmetry_vdw_refined	0.165
r_xyhbond_nbd_refined	0.158
r_chiral_restr	0.098
r_nbtor_other	0.091
r_bond_refined_d	0.015
r_gen_planes_refined	0.008
r_bond_other_d	0.003
r_gen_planes_other	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1117
Nucleic Acid Atoms
Solvent Atoms	183
Heterogen Atoms	42

Software

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