7ZY9

Structure of D165A/D167A double mutant of Chit33 from Trichoderma harzianum complexed with chitintetraose.

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		291	30% PEG 1500, 20% glycerol. Soaking conditions: 32% PEG 1500, 18% glycerol, 18 mM chitintetraose.

Crystal Properties
Matthews coefficient	Solvent content
2.53	51.41

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 65.421	α = 90
b = 66.776	β = 90
c = 76.445	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	PIXEL	DECTRIS PILATUS 6M	KB Mirrors	2018-03-22	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALBA BEAMLINE XALOC	0.979180	ALBA	XALOC

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	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	1.6	46.78	100	0.083	0.09	0.035	0.997	12.8	6.6		44920

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.6	1.63	100		0.623	0.255	0.883	3.1	6.8

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	2UY2	1.6	46.78	42630	2229	99.96	0.1487	0.1477	0.1684	RANDOM	18.041

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]
-0.01			-0.01		0.02

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.218
r_dihedral_angle_4_deg	20.084
r_dihedral_angle_3_deg	12.653
r_dihedral_angle_1_deg	6.036
r_angle_other_deg	1.8
r_angle_refined_deg	1.498
r_chiral_restr	0.082
r_bond_refined_d	0.009
r_gen_planes_refined	0.007
r_bond_other_d	0.005

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.218
r_dihedral_angle_4_deg	20.084
r_dihedral_angle_3_deg	12.653
r_dihedral_angle_1_deg	6.036
r_angle_other_deg	1.8
r_angle_refined_deg	1.498
r_chiral_restr	0.082
r_bond_refined_d	0.009
r_gen_planes_refined	0.007
r_bond_other_d	0.005
r_gen_planes_other	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2292
Nucleic Acid Atoms
Solvent Atoms	302
Heterogen Atoms	57

Software

Software
Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
XDS	data reduction
XDS	data scaling
MOLREP	phasing

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.