2PC1 | pdb_00002pc1

Crystal structure of acetyltransferase GNAT family (NP_688560.1) from Streptococcus agalactiae 2603 at 1.28 A resolution

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.79	293	NANODROP, 1.91M Ammonium sulfate, 0.1M Tris-HCl pH 7.79, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
1.97	37.68

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 35.48	α = 94.22
b = 37.65	β = 109.42
c = 41.5	γ = 113.08

Symmetry
Space Group	P 1

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	2007-03-15	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL9-2	0.91162, 0.97939	SSRL	BL9-2

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge 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	1.28	25.959	78.3	0.03	9.99			73297			13.84

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.28	1.33	28.2		0.422	1.62		2499

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 (All)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MAD	THROUGHOUT	1.28	25.959	37027	1905	79.3	0.167	0.167	0.167	0.18	0.178	0.19	RANDOM	14.664

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]
-0.08	0.16	-0.05	0.24	0.34	-0.02

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.774
r_dihedral_angle_3_deg	11.47
r_dihedral_angle_4_deg	8.368
r_dihedral_angle_1_deg	6.233
r_scangle_it	5.479
r_scbond_it	4.058
r_mcangle_it	2.69
r_mcbond_it	1.892
r_angle_refined_deg	1.439
r_angle_other_deg	0.788
r_mcbond_other	0.387
r_symmetry_vdw_refined	0.239
r_symmetry_vdw_other	0.238
r_nbd_refined	0.227
r_nbd_other	0.192
r_nbtor_refined	0.189
r_symmetry_hbond_refined	0.184
r_xyhbond_nbd_refined	0.159
r_nbtor_other	0.085
r_chiral_restr	0.082
r_bond_refined_d	0.02
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	1375
Nucleic Acid Atoms
Solvent Atoms	179
Heterogen Atoms	16

Software

Software
Software Name	Purpose
MolProbity	model building
SHELX	phasing
REFMAC	refinement
XSCALE	data scaling
PDB_EXTRACT	data extraction
MAR345	data collection
SHELXD	phasing
SOLVE	phasing