4MBO

1.65 Angstrom Crystal Structure of Serine-rich Repeat Adhesion Glycoprotein (Srr1) from Streptococcus agalactiae

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6	295	Protein: 7.6mg/mL, 0.5M Sodium cloride, 0.01M Tris-HCl, pH 8.3. Screen: PACT (B11), 0.2M Calcium chloride, 0.1M Tris-HCl, pH 6.0, 20% (w/v) PEG 6000, VAPOR DIFFUSION, SITTING DROP, temperature 295K

Crystal Properties
Matthews coefficient	Solvent content
2.3	46.62

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 73.356	α = 90
b = 83.235	β = 90
c = 57.056	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	MARMOSAIC 300 mm CCD	Mirrors	2013-06-03	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 21-ID-D	0.97928	APS	21-ID-D

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	1.65	30	99.5	0.058	26.4	6	42747	42747		-3	20.1

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	1.65	1.68	100		0.5	3.8	6.1	2121

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 1R17	1.65	28.93	40447	40447	2141	99.52	0.15537	0.15375	0.18721	RANDOM	24.064

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]
0.04			-0.81		0.77

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.732
r_dihedral_angle_4_deg	20.019
r_dihedral_angle_3_deg	10.203
r_long_range_B_refined	6.788
r_long_range_B_other	6.605
r_dihedral_angle_1_deg	4.656
r_scangle_other	3.499
r_mcangle_it	2.407
r_mcangle_other	2.406
r_scbond_it	2.325
r_scbond_other	2.324
r_angle_refined_deg	1.554
r_mcbond_it	1.518
r_mcbond_other	1.515
r_angle_other_deg	0.696
r_chiral_restr	0.091
r_gen_planes_refined	0.017
r_gen_planes_other	0.015
r_bond_refined_d	0.012
r_bond_other_d	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2405
Nucleic Acid Atoms
Solvent Atoms	437
Heterogen Atoms	20

Software

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