2UWC

Crystal structure of Nasturtium xyloglucan hydrolase isoform NXG2

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1UN1	PDB ENTRY 1UN1

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		8.5		2-3 M POTASSIUM ACETATE, 2% 2, 5-METHYLPENTANE-DIOL AND 100 MM TRIS BUFFER AT PH 8.5

Crystal Properties
Matthews coefficient	Solvent content
4.5	72.7

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 152.123	α = 90
b = 152.123	β = 90
c = 83.233	γ = 120

Symmetry
Space Group	P 6

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	ADSC CCD		2006-03-21	M	SINGLE WAVELENGTH

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

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	2.3	45	98.3	0.11	10.9	4.7		47776

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	2.3	2.42	99.1		0.6	2.5	4.7

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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1UN1	2.3	31.31	45345	2420	97.8	0.168	0.167	0.19	0.196	RANDOM	31.24

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]
0.79	0.4		0.79		-1.19

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.392
r_dihedral_angle_4_deg	19.808
r_dihedral_angle_3_deg	17.058
r_dihedral_angle_1_deg	9.246
r_scangle_it	3.86
r_scbond_it	2.7
r_angle_refined_deg	2.103
r_mcangle_it	1.652
r_mcbond_it	1.259
r_angle_other_deg	1.053
r_symmetry_vdw_other	0.243
r_nbd_refined	0.236
r_nbd_other	0.207
r_nbtor_refined	0.198
r_xyhbond_nbd_refined	0.197
r_symmetry_vdw_refined	0.148
r_chiral_restr	0.146
r_symmetry_hbond_refined	0.12
r_nbtor_other	0.097
r_bond_refined_d	0.024
r_gen_planes_refined	0.009
r_bond_other_d	0.001
r_gen_planes_other	0.001
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_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	4299
Nucleic Acid Atoms
Solvent Atoms	294
Heterogen Atoms

Software

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