4PXV

Crystal Structure of LysM domain from pteris ryukyuensis chitinase A

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		293	0.05M zinc acetate dihydrate, 25% PEG 3350, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.12	41.88

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 38.686	α = 90
b = 50.229	β = 90
c = 92.292	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	95	CCD	ADSC QUANTUM 270		2013-02-04	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	PHOTON FACTORY BEAMLINE BL-17A	1.28213	Photon Factory	BL-17A

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	1.8	50	99.9	0.108	69.6	14		17318			14.2

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	1.8	1.83	9.8		0.38	20	13.8	11551

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	SAD	THROUGHOUT	1.8	46.15	16397	873	99.78	0.19322	0.19138	0.22908	RANDOM	13.1

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]
0.54			0.19		-0.73

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.081
r_dihedral_angle_4_deg	19.776
r_dihedral_angle_3_deg	12.132
r_dihedral_angle_1_deg	5.088
r_long_range_B_refined	3.623
r_long_range_B_other	3.288
r_scangle_other	1.386
r_mcangle_it	1.269
r_mcangle_other	1.268
r_angle_refined_deg	1.072
r_scbond_it	0.853
r_scbond_other	0.852
r_angle_other_deg	0.734
r_mcbond_other	0.723
r_mcbond_it	0.722
r_chiral_restr	0.066
r_bond_refined_d	0.007
r_gen_planes_refined	0.003
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1381
Nucleic Acid Atoms
Solvent Atoms	165
Heterogen Atoms	4

Software

Software
Software Name	Purpose
HKL-2000	data collection
SnB	phasing
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling