4MBR

3.65 Angstrom Crystal Structure of Serine-rich Repeat Protein (Srr2) from Streptococcus agalactiae

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8.3	295	Protein: 7.5mg/mL, 0.25M Sodium cloride, 0.01M Tris-HCl, pH 8.3. Screen: Trap96 (A11), 5M Sodium cloride. Cryo: 4M Sodium formate, VAPOR DIFFUSION, SITTING DROP, temperature 295K

Crystal Properties
Matthews coefficient	Solvent content
5.36	77.06

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 97.598	α = 90
b = 97.598	β = 90
c = 173.269	γ = 90

Symmetry
Space Group	P 41 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	MARMOSAIC 300 mm CCD	Beryllium lenses	2012-08-13	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 21-ID-G	0.97856	APS	21-ID-G

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	3.65	30	99.9	0.05	41	9.4	9911	9911		-3	36.8

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	3.65	3.71	100		0.69	3.3	9.9	480

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB entry 4MBO	3.65	29.62	9353	9353	471	99.63	0.21465	0.21336	0.24073	RANDOM	195.612

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]
-1.67			-1.67		3.35

RMS Deviations
Key	Refinement Restraint Deviation
r_long_range_B_other	18.125
r_long_range_B_refined	18.122
r_scangle_other	14.207
r_dihedral_angle_2_deg	12.122
r_mcangle_it	11.957
r_mcangle_other	11.957
r_scbond_it	9.373
r_scbond_other	9.369
r_mcbond_it	7.845
r_mcbond_other	7.836
r_dihedral_angle_3_deg	6.43
r_dihedral_angle_4_deg	5.406
r_angle_refined_deg	1.724
r_dihedral_angle_1_deg	1.198
r_angle_other_deg	0.855
r_chiral_restr	0.101
r_gen_planes_refined	0.019
r_gen_planes_other	0.017
r_bond_refined_d	0.008
r_bond_other_d	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2488
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms

Software

Software
Software Name	Purpose
Blu-Ice	data collection
PHASER	phasing
REFMAC	refinement
HKL-3000	data reduction
HKL-3000	data scaling