Experiment: 4OFQ

Structure of the C-terminal domain of the Streptococcus pyogenes antigen I/II-family protein AspA

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3OPU	3OPU and 2WOY
experimental model	PDB	2WOY	3OPU and 2WOY

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8	291	20% glycerol ethoxylate, 10% tetrahydrofuran, 0.1 M Tris-HCl, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
2.48	50.46

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 99.002	α = 90
b = 104.979	β = 90
c = 74.442	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	Bruker Platinum 135		2013-01-21	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	BRUKER AXS MICROSTAR-H	1.5417

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	1.798	31.67	97.6	0.062		10.8	70996	70996		-3	15.5

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	1.798	1.863	82.7		0.411	3.2	4.1	6553

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (All)	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	3OPU and 2WOY	1.8	31.669	1.34	70996	70928	3553	97.8	0.1839	0.1815	0.1824	0.231	0.2327	RANDOM	21.4

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]

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	13.019
f_angle_d	1.045
f_chiral_restr	0.077
f_bond_d	0.007
f_plane_restr	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5282
Nucleic Acid Atoms
Solvent Atoms	984
Heterogen Atoms	2

Software

Software
Software Name	Purpose
APEX	data collection
MOLREP	phasing
PHENIX	refinement
SAINT	data reduction
SADABS	data scaling