7V92

Crystal Structure of a thermostable mutant of the Catalytic Domain of GH19 Chitinase from Gazyumaru, Ficus microcarpa

X-RAY DIFFRACTION

---

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	4TX7

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5	293	18% (w/v) Polyethylene glycol 20K, 0.1 M sodium citrate (pH 5.0), and 3% (v/v) Glycerol.

Crystal Properties
Matthews coefficient	Solvent content
2.32	47

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 140.579	α = 90
b = 38.894	β = 96.028
c = 177.739	γ = 90

Symmetry
Space Group	C 1 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	95	PIXEL	DECTRIS PILATUS 2M-F		2017-11-27	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	PHOTON FACTORY BEAMLINE AR-NE3A	1.0	Photon Factory	AR-NE3A

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	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	47.58	96.6	0.998	12	3.4		799385

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.6	1.7			0.922

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 (All)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	4tx7	1.607	47.58	122333	6117	97.28	0.215	0.2137	0.2437	21.908

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]
-0.016		0.008	0.008		0.006

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.518
r_dihedral_angle_3_deg	13.242
r_dihedral_angle_4_deg	12.623
r_dihedral_angle_1_deg	6.166
r_lrange_it	3.961
r_lrange_other	3.859
r_scangle_it	2.41
r_scangle_other	2.41
r_mcangle_other	2.136
r_mcangle_it	2.135
r_scbond_it	1.514
r_scbond_other	1.511
r_angle_refined_deg	1.356
r_angle_other_deg	1.343
r_mcbond_it	1.342
r_mcbond_other	1.337
r_nbd_refined	0.206
r_symmetry_nbd_other	0.185
r_nbtor_refined	0.177
r_symmetry_xyhbond_nbd_refined	0.166
r_nbd_other	0.158
r_xyhbond_nbd_refined	0.141
r_symmetry_nbd_refined	0.101
r_symmetry_nbtor_other	0.078
r_chiral_restr	0.07
r_bond_refined_d	0.006
r_gen_planes_refined	0.006
r_symmetry_xyhbond_nbd_other	0.005
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	7541
Nucleic Acid Atoms
Solvent Atoms	729
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data collection
XDS	data reduction
PHASER	phasing