3U7V

The structure of a putative Beta-galactosidase from Caulobacter crescentus CB15.

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	5.6	297	0.17 Amonium sulfate, 0.085 sodium citrate: HCl pH 5.6, 25.5% PEG 4K, 15% glycerol, VAPOR DIFFUSION, SITTING DROP, temperature 297K

Crystal Properties
Matthews coefficient	Solvent content
2.42	49.17

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 148.306	α = 90
b = 148.306	β = 90
c = 53.792	γ = 90

Symmetry
Space Group	I 4

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		2010-12-11	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-ID	0.97912	APS	19-ID

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	1.8	50	100	0.116	7.8	7.8	54354	54354		-3	15.7

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	1.8	1.83	100		0.398		7.8	2725

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SAD	THROUGHOUT	1.8	36.4	54352	54352	2764	99.89	0.1854	0.1854	0.1838	0.2147	RANDOM	18.6393

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]
-0.78			-0.78		1.56

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.27
r_dihedral_angle_4_deg	18.671
r_dihedral_angle_3_deg	12.555
r_dihedral_angle_1_deg	6.412
r_angle_refined_deg	1.515
r_angle_other_deg	0.899
r_chiral_restr	0.097
r_bond_refined_d	0.014
r_gen_planes_refined	0.008
r_bond_other_d	0.002

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.27
r_dihedral_angle_4_deg	18.671
r_dihedral_angle_3_deg	12.555
r_dihedral_angle_1_deg	6.412
r_angle_refined_deg	1.515
r_angle_other_deg	0.899
r_chiral_restr	0.097
r_bond_refined_d	0.014
r_gen_planes_refined	0.008
r_bond_other_d	0.002
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4015
Nucleic Acid Atoms
Solvent Atoms	427
Heterogen Atoms	8

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
MLPHARE	phasing
DM	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
SBC-Collect	data collection
HKL-3000	data reduction
HKL-3000	data scaling
HKL-3000	phasing
SHELXD	phasing
SHELXE	model building
SOLVE	phasing
RESOLVE	phasing
ARP/wARP	model building
CCP4	phasing
O	model building
Coot	model building

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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 R01GM133198.