2Y24

STRUCTURAL BASIS FOR SUBSTRATE RECOGNITION BY ERWINIA CHRYSANTHEMI GH5 GLUCURONOXYLANASE

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1NOF	PDB ENTRY 1NOF

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7.5		CO-CRYSTALLIZATION USING 0.1 M IMIDAZOLE - DL-MALIC ACID BUFFER, PH 7.5 AND 20% PEG 1500 AS PRECIPITANT SOLUTION

Crystal Properties
Matthews coefficient	Solvent content
2.05	40.07

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 59.578	α = 90
b = 59.578	β = 90
c = 168.296	γ = 120

Symmetry
Space Group	P 32 2 1

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 SX-165		2009-07-25	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	EMBL/DESY, HAMBURG BEAMLINE X13		EMBL/DESY, HAMBURG	X13

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	1.39	20	98.6	0.08	8.5	8.5		70207		1.3	18.9

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	1.39	1.4	98.6		0.42	1.3

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 1NOF	1.39	19.37	66696	3543	98.94	0.12206	0.11956	0.1693	RANDOM	10.45

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]
0.05	0.03		0.05		-0.08

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.771
r_dihedral_angle_4_deg	21.946
r_dihedral_angle_3_deg	13.475
r_dihedral_angle_1_deg	6.841
r_scangle_it	5.962
r_scbond_it	4.516
r_mcangle_it	2.974
r_angle_other_deg	2.391
r_mcbond_it	2.168
r_rigid_bond_restr	2.051
r_angle_refined_deg	1.973
r_mcbond_other	0.951
r_chiral_restr	0.139
r_bond_refined_d	0.024
r_gen_planes_refined	0.013
r_bond_other_d	0.002
r_gen_planes_other	0.002
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_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2963
Nucleic Acid Atoms
Solvent Atoms	571
Heterogen Atoms	82

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
SCALEPACK	data scaling
MOLREP	phasing