3FAW

Crystal Structure of the Group B Streptococcus Pullulanase SAP

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.5	293	30% PEG3K, 0.2M CaCl2, 0.1M HEPES, pH7.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.2	44.13

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 48.949	α = 90
b = 102.834	β = 90
c = 172.438	γ = 90

Symmetry
Space Group	P 21 21 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	110	CCD	ADSC QUANTUM 315		2008-06-08	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID23-1	1	ESRF	ID23-1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym 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	2.1	40	95.6	0.117	0.117	8.5	2.9	140381	49187			18

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	2.1	2.2	98.1		0.258	0.258	3	2.8	7315

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	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 2FGZ	2.1	40	46648	2514	94.86	0.19576	0.19366	0.23504	RANDOM	13.368

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]
2.15			0.28		-2.43

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.26
r_dihedral_angle_4_deg	15.195
r_dihedral_angle_3_deg	11.107
r_dihedral_angle_1_deg	8.96
r_scangle_it	3.039
r_scbond_it	2.184
r_mcangle_it	1.441
r_mcbond_it	1.029
r_angle_refined_deg	0.981
r_angle_other_deg	0.814
r_mcbond_other	0.222
r_nbd_refined	0.188
r_nbd_other	0.175
r_symmetry_vdw_other	0.172
r_nbtor_refined	0.167
r_symmetry_vdw_refined	0.142
r_symmetry_hbond_refined	0.124
r_xyhbond_nbd_refined	0.106
r_metal_ion_refined	0.094
r_nbtor_other	0.079
r_chiral_restr	0.066
r_bond_refined_d	0.006
r_bond_other_d	0.002
r_gen_planes_refined	0.002
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6145
Nucleic Acid Atoms
Solvent Atoms	439
Heterogen Atoms	9

Software

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