3GGL

X-Ray Structure of the C-terminal domain (277-440) of Putative chitobiase from Bacteroides thetaiotaomicron. Northeast Structural Genomics Consortium Target BtR324A.

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3F2Z

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7	293	0.75M MgFormate, 0.1M Bis-Tris, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.96	58.43

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 86.86	α = 90
b = 86.86	β = 90
c = 50.992	γ = 120

Symmetry
Space Group	P 32 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	100	CCD	ADSC QUANTUM 4	mirrors	2009-01-22	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X4A	0.979	NSLS	X4A

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	3	50	99.9	0.085		9.4		8624		-3

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)
	3	3.11	100		0.484		8.6

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	3F2Z	3	20	4615	210	100	0.202	0.2	0.251	RANDOM	66.961

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]
-0.16	-0.08		-0.16		0.24

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	41.433
r_dihedral_angle_3_deg	19.331
r_dihedral_angle_4_deg	15.843
r_dihedral_angle_1_deg	6.632
r_angle_refined_deg	1.384
r_scangle_it	1.142
r_scbond_it	0.653
r_mcangle_it	0.506
r_nbtor_refined	0.324
r_mcbond_it	0.304

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	41.433
r_dihedral_angle_3_deg	19.331
r_dihedral_angle_4_deg	15.843
r_dihedral_angle_1_deg	6.632
r_angle_refined_deg	1.384
r_scangle_it	1.142
r_scbond_it	0.653
r_mcangle_it	0.506
r_nbtor_refined	0.324
r_mcbond_it	0.304
r_symmetry_vdw_refined	0.262
r_nbd_refined	0.238
r_xyhbond_nbd_refined	0.177
r_chiral_restr	0.099
r_symmetry_hbond_refined	0.027
r_bond_refined_d	0.01
r_gen_planes_refined	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1243
Nucleic Acid Atoms
Solvent Atoms	9
Heterogen Atoms	1

Software

Software
Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
ADSC	data collection
HKL-2000	data reduction
SCALEPACK	data scaling
BALBES	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 R01GM157729.