3ARY

Crystal Structure Analysis of Chitinase A from Vibrio harveyi with novel inhibitors - complex structure with 2-(imidazolin-2-yl)-5-isothiocyanatobenzofuran

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3B9A

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	hanging drop	5.6	293	16%(W/V) PEG 4000, 21%(v/v) propanol, 0.1M Na-Acetate, pH 5.6, hanging drop, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.39	48.58

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 65.08	α = 90
b = 51.03	β = 99.55
c = 93.27	γ = 90

Symmetry
Space Group	P 1 21 1

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	MARMOSAIC 225 mm CCD		2009-04-04	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X10SA	0.9840	SLS	X10SA

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	1.35	19.972	97.3	0.053	16.19			129106		-3	18.103

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.35	1.39	95.9		0.505	0.589	2.8

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	3b9a	1.35	19.97	129105	6456	97.36	0.165	0.1635	0.1942	RANDOM	18.0873

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]
-0.02		0.1	0.43		-0.38

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.348
r_dihedral_angle_4_deg	17.017
r_dihedral_angle_3_deg	12.656
r_dihedral_angle_1_deg	6.538
r_angle_refined_deg	2.542
r_chiral_restr	0.168
r_bond_refined_d	0.032
r_gen_planes_refined	0.016

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4405
Nucleic Acid Atoms
Solvent Atoms	951
Heterogen Atoms	52

Software

Software
Software Name	Purpose
XSCALE	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction

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 R01GM157729.