Experiment: 5GQB

Crystal structure of chitinase-h from O. furnacalis in complex with chitohepatose

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3W4R

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7	277.15	0.1M HEPES pH 7.0, 30% v/v Jeffamine ED-2001

Crystal Properties
Matthews coefficient	Solvent content
2.84	56.73

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 49.276	α = 90
b = 114.22	β = 90
c = 123.382	γ = 90

Symmetry
Space Group	P 2 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	CCD	ADSC QUANTUM 315r		2016-07-08	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRF BEAMLINE BL17U	0.97915	SSRF	BL17U

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	2.7	50	99.9	18.67	11.4		19777

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 (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	3W4R	2.7	29.779	18621	1869	93.96	0.2039	0.1997	0.2001	0.2411	0.2376

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]

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	15.189
f_angle_d	1.191
f_chiral_restr	0.059
f_bond_d	0.01
f_plane_restr	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4207
Nucleic Acid Atoms
Solvent Atoms	47
Heterogen Atoms	120

Software

Software
Software Name	Purpose
PHENIX	refinement
HKL-3000	data reduction
HKL-3000	data scaling
PHASER	phasing