Experiment: 4E2A

Crystal Structure of the Putative acetyltransferase from Streptococcus mutans

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1TIQ	PDB ENTRY 1TIQ

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	SOLID-LIQUID INTERFACE METHOD	7	289.2	0.2M Magnesium formate, 20% PEG 3350, pH 7.0, SOLID-LIQUID INTERFACE METHOD, temperature 289.2K

Crystal Properties
Matthews coefficient	Solvent content
2.45	49.89

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 75.7	α = 90
b = 75.7	β = 90
c = 80.9	γ = 90

Symmetry
Space Group	P 41

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		2010-12-29	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRF BEAMLINE BL17U	0.9791	SSRF	BL17U

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	50	95.3	0.066	0.087	22.83	18.4		30907	3	3

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	2.1	100		0.271	0.485	6.21	19.2	2192

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	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	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1TIQ	2	18.996	1.99	29476	1465	95.5	0.2162	0.2148	0.2123	0.2405	0.2355	RANDOM	33.8687

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]
-0.6787			-0.6787		1.3575

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	14.086
f_angle_d	1.12
f_chiral_restr	0.105
f_bond_d	0.009
f_plane_restr	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2804
Nucleic Acid Atoms
Solvent Atoms	250
Heterogen Atoms

Software

Software
Software Name	Purpose
ADSC	data collection
PHENIX	model building
PHENIX	refinement
XDS	data reduction
XSCALE	data scaling
PHENIX	phasing