2OTO

N-terminal fragment of Streptococcus pyogenes M1 protein

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.1	277	32% MPD, 0.3M ammonium acetate, 0.1M sodium citrate, pH 6.1, VAPOR DIFFUSION, SITTING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
3.2	61.54

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 119.374	α = 90
b = 83.405	β = 90
c = 93.467	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	ADSC QUANTUM 315		2005-06-10	M	MAD
2	1	x-ray	100	CCD	ADSC QUANTUM 315		2004-11-13	M	SINGLE WAVELENGTH
3	1
4	1
1,2	1

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 5.0.2	0.97929,0.97945,0.95666,1.008	ALS	5.0.2
2	SYNCHROTRON	APS BEAMLINE 19-ID	0.97934	APS	19-ID

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
1,2	3.03	50	99.4	0.076	7.9	5.7	18650	18530		-3	72.5

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)
1,2	3.03	3.14	98.5		0.376		5.1	1796

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MAD	THROUGHOUT	3.04	40.76	18530	18433	963	99.34	0.337	0.337	0.337	0.338	RANDOM	92.554

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]
0.26			15.26		-15.53

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.38
r_mcangle_it	28.202
r_dihedral_angle_3_deg	21.987
r_mcbond_it	20.793
r_dihedral_angle_4_deg	18.82
r_dihedral_angle_1_deg	6.864
r_scangle_it	2.367
r_scbond_it	2.317
r_angle_refined_deg	1.361
r_symmetry_hbond_refined	0.558
r_symmetry_vdw_refined	0.477
r_nbd_refined	0.324
r_nbtor_refined	0.317
r_xyhbond_nbd_refined	0.227
r_chiral_restr	0.086
r_bond_refined_d	0.011
r_gen_planes_refined	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4521
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
SOLVE	phasing
RESOLVE	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
HKL-2000	data collection
HKL-2000	data reduction
HKL-2000	data scaling