2W7Y

Structure of a Streptococcus pneumoniae solute-binding protein in complex with the blood group A-trisaccharide.

X-RAY DIFFRACTION

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Crystallization

Crystal Properties
Matthews coefficient	Solvent content
2.1	40.94

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 36.99	α = 90
b = 104.9	β = 89.95
c = 97.7	γ = 90

Symmetry
Space Group	P 1 21 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	113	CCD	MARRESEARCH			M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL9-2		SSRL	BL9-2

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	2.35	30	100	0.1	22.5	10.4		31126		2

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	2.35	2.48	100		0.39	5.5	10.4

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	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	SAD	THROUGHOUT	NONE	2.35	97.59	29535	1569	99.94	0.21592	0.21339	0.26311	RANDOM	23.495

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]
0.03		-0.21	1.71		-1.74

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.687
r_dihedral_angle_4_deg	17.744
r_dihedral_angle_3_deg	17.402
r_dihedral_angle_1_deg	7.571
r_angle_refined_deg	1.212
r_scangle_it	0.576
r_scbond_it	0.455
r_nbtor_refined	0.296
r_symmetry_hbond_refined	0.264
r_symmetry_vdw_refined	0.217
r_nbd_refined	0.195
r_mcbond_it	0.18
r_mcangle_it	0.178
r_xyhbond_nbd_refined	0.143
r_chiral_restr	0.088
r_bond_refined_d	0.008
r_gen_planes_refined	0.003
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5966
Nucleic Acid Atoms
Solvent Atoms	410
Heterogen Atoms	74

Software

Software
Software Name	Purpose
REFMAC	refinement