2W52

2 beta-glucans (6-O-glucosyl-laminaritriose) in both donor and acceptor sites of GH16 Laminarinase 16A from Phanerochaete chrysosporium.

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		5		45 MG/ML LAM16A CRYSTALIZED IN 20% PEG 3350, 0.2 M AMMONIUM NITRATE AND 10 MM NAOAC PH 5, THEN SOAKED WITH 10 MM LIGAND FOR 90 MIN

Crystal Properties
Matthews coefficient	Solvent content
2	40

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 38.056	α = 90
b = 46.69	β = 90
c = 152.871	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	100	CCD	MARRESEARCH		2006-11-30	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	MAX II BEAMLINE I911-2		MAX II	I911-2

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	1.55	34.42	97.3	0.04	11.3	7		39543		2	13

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	1.55	1.63	81.8		0.12	5.78	6.2

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	OTHER	THROUGHOUT	NONE	1.56	34.06	1.562	39468	1981	99.5	0.152	0.151	0.1493	0.171	0.1713	RANDOM	12.69

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			0.071		-0.041

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.985
r_dihedral_angle_4_deg	16.937
r_dihedral_angle_3_deg	10.681
r_dihedral_angle_1_deg	6.875
r_scangle_it	2.733
r_scbond_it	1.904
r_angle_refined_deg	1.485
r_mcangle_it	1.288
r_mcbond_it	0.796
r_nbtor_refined	0.316
r_nbd_refined	0.202
r_symmetry_hbond_refined	0.197
r_symmetry_vdw_refined	0.172
r_xyhbond_nbd_refined	0.134
r_chiral_restr	0.104
r_bond_refined_d	0.013
r_gen_planes_refined	0.007
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	2247
Nucleic Acid Atoms
Solvent Atoms	422
Heterogen Atoms	162

Software

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