2Q7B | pdb_00002q7b

Crystal structure of acetyltransferase (NP_689019.1) from Streptococcus agalactiae 2603 at 2.00 A resolution

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	5	277	NANODROP, 10.0% PEG 6000, 0.1M Citrate pH 5.0, VAPOR DIFFUSION, SITTING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.65	53.6

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 67.985	α = 90
b = 67.985	β = 90
c = 87.772	γ = 120

Symmetry
Space Group	P 31 2 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	2007-05-13	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL9-2	0.91837, 0.97932	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	29.437	100	0.102	0.102	5.6	9.1		16338			19.7

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	2.05	100		1.229	1.229	0.6	9.2	1166

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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MAD	THROUGHOUT	2	29.437	16309	821	99.94	0.187	0.185	0.19	0.223	0.23	RANDOM	38.044

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]
0.09	0.04		0.09		-0.13

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	30.839
r_dihedral_angle_4_deg	14.132
r_dihedral_angle_3_deg	12.379
r_scangle_it	5.858
r_scbond_it	4.539
r_dihedral_angle_1_deg	3.647
r_mcangle_it	2.477
r_mcbond_it	1.618
r_angle_refined_deg	1.511
r_angle_other_deg	0.942
r_mcbond_other	0.364
r_nbd_refined	0.191
r_nbtor_refined	0.182
r_xyhbond_nbd_refined	0.179
r_nbd_other	0.161
r_symmetry_vdw_other	0.126
r_chiral_restr	0.12
r_symmetry_vdw_refined	0.114
r_symmetry_hbond_refined	0.108
r_nbtor_other	0.086
r_bond_refined_d	0.018
r_gen_planes_refined	0.005
r_bond_other_d	0.002
r_gen_planes_other	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1362
Nucleic Acid Atoms
Solvent Atoms	92
Heterogen Atoms	14

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