3QSP

Analysis of a new family of widely distributed metal-independent alpha mannosidases provides unique insight into the processing of N-linked glycans, Streptococcus pneumoniae SP_2144 non-productive substrate complex with alpha-1,6-mannobiose

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8		0.1 M Hepes, 1.2 M LiSO4, pH 8.0, VAPOR DIFFUSION, HANGING DROP

Crystal Properties
Matthews coefficient	Solvent content
2.49	50.7

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 53.51	α = 90
b = 159.04	β = 106.74
c = 60.13	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	117	IMAGE PLATE	RIGAKU RAXIS IV++		2010-01-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU MICROMAX-002+	1.54180

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	2.1	79.52	99			55674	52816

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.1	2.155	99

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	MOLECULAR REPLACEMENT	THROUGHOUT	2.1	79.52	55674	52816	2823	99.41	0.15971	0.15971	0.15643	0.22021	RANDOM	14.53

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]
0.95		0.58	-0.62		0.01

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.15
r_dihedral_angle_4_deg	17.847
r_dihedral_angle_3_deg	14.754
r_dihedral_angle_1_deg	6.1
r_scangle_it	3.444
r_scbond_it	2.197
r_angle_refined_deg	1.415
r_mcangle_it	1.221
r_mcbond_it	0.677
r_chiral_restr	0.099
r_bond_refined_d	0.015
r_gen_planes_refined	0.006
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6920
Nucleic Acid Atoms
Solvent Atoms	993
Heterogen Atoms	70

Software

Software
Software Name	Purpose
MOSFLM	data reduction
MOLREP	phasing
REFMAC	refinement
SCALA	data scaling