3WH1 | pdb_00003wh1

Crystal Structure of a Family GH19 Chitinase from Bryum coronatum in complex with (GlcNAc)4 at 1.0 A resolution

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	4IJ4	PDB ENTRY 4IJ4

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8.5	293	0.09M Tris-HCl(pH 8.5), 1.35M di-Ammonium hydrogen phosphate, 0.001M CoCl2, 0.01M Sodium acetate(pH 4.6), 0.1M 1,6-Hexanediol, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.07	40.71

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 74.384	α = 90
b = 58.375	β = 115.47
c = 48.136	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	CCD	ADSC QUANTUM 315r		2010-10-23	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	PHOTON FACTORY BEAMLINE BL-17A	0.98	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	50	98.6	0.086	33.25	6.3		98800

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	1.04	94.2		0.319	4.13	3.3	30901

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)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 4IJ4	1	44.06	93726	4942	98.27	0.14789	0.14751	0.15	0.15506	0.15	RANDOM	7.163

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]
0.19		0.03	-0.06		-0.1

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.861
r_dihedral_angle_3_deg	10.314
r_dihedral_angle_4_deg	9.406
r_dihedral_angle_1_deg	5.127
r_sphericity_free	2.345
r_scangle_it	2.33
r_sphericity_bonded	2.303
r_scbond_it	1.508
r_angle_refined_deg	1.186
r_mcangle_it	1.118

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.861
r_dihedral_angle_3_deg	10.314
r_dihedral_angle_4_deg	9.406
r_dihedral_angle_1_deg	5.127
r_sphericity_free	2.345
r_scangle_it	2.33
r_sphericity_bonded	2.303
r_scbond_it	1.508
r_angle_refined_deg	1.186
r_mcangle_it	1.118
r_rigid_bond_restr	0.679
r_mcbond_it	0.655
r_chiral_restr	0.085
r_bond_refined_d	0.006
r_gen_planes_refined	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1575
Nucleic Acid Atoms
Solvent Atoms	242
Heterogen Atoms	73

Software

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

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.