3GYA

Crystal structure of putative acetyltransferase (YP_001815201.1) from EXIGUOBACTERIUM SP. 255-15 at 1.62 A resolution

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6	277	3.2M ammonium sulfate, 0.1M MES pH 6.0, Additive: 0.001 M acetyl Co-enzyme A, NANODROP, VAPOR DIFFUSION, SITTING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.36	47.82

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 55.793	α = 90
b = 66.249	β = 90
c = 87.769	γ = 90

Symmetry
Space Group	I 2 2 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	ADSC QUANTUM 315	Vertical focusing mirror	2008-07-21	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL9-1	0.918370,0.979394,0.978882	SSRL	BL9-1

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	1.62	27.896	99	0.078	0.078	12.3	3.9		20813			19.242

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	1.62	1.66	98.4		0.668	0.668	1.9	4	1514

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	1.62	27.896	20778	1069	98.6	0.18	0.179	0.204	RANDOM	28.794

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]
-0.41			-0.07		0.49

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.134
r_dihedral_angle_4_deg	17.459
r_dihedral_angle_3_deg	13.033
r_dihedral_angle_1_deg	5.705
r_scangle_it	5.684
r_scbond_it	4.359
r_mcangle_it	2.599
r_mcbond_it	1.869
r_angle_refined_deg	1.443
r_angle_other_deg	0.921
r_symmetry_vdw_refined	0.475
r_mcbond_other	0.471
r_symmetry_vdw_other	0.363
r_nbd_refined	0.202
r_nbd_other	0.194
r_symmetry_hbond_refined	0.187
r_nbtor_refined	0.178
r_xyhbond_nbd_refined	0.157
r_nbtor_other	0.083
r_chiral_restr	0.079
r_bond_refined_d	0.014
r_gen_planes_refined	0.005
r_gen_planes_other	0.002
r_bond_other_d	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1160
Nucleic Acid Atoms
Solvent Atoms	149
Heterogen Atoms	67

Software

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