5JJ8

Crystal Structure of the Beta Carbonic Anhydrase psCA3 isolated from Pseudomonas aeruginosa - alternate crystal packing form

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		290	Hampton Research Crystal Screen 2, PEG/Ion, PEG/Ion 2, an in-house sodium citrate screen (screening conditions varied from 1.1 to 1.8 M sodium citrate, Tris-HCl pH 7.1-8.1), and an in-house ammonium sulfate screen (screening conditions varied from 1.8 M to 2.8 M ammonium sulfate, 0.1 M malic acid, 0.1 M imidazole pH 7.0-8.5) prepared by the Rigaku Alchemist DT were used to screen for optimum crystallization conditions.

Crystal Properties
Matthews coefficient	Solvent content
2.52	51.11

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 88.429	α = 90
b = 69.362	β = 90
c = 77.66	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 270		2013-03-25	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	CHESS BEAMLINE F1	0.9177	CHESS	F1

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	2.585	35.553	91.48	17.3	3.2		14191

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	4RXY	2.585	35.553	1.34	14191	710	91.48	0.2148	0.2117	0.2751

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	14.689
f_angle_d	1.243
f_chiral_restr	0.057
f_bond_d	0.009
f_plane_restr	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3312
Nucleic Acid Atoms
Solvent Atoms	22
Heterogen Atoms	2

Software

Software
Software Name	Purpose
PHENIX	refinement
HKL-2000	data scaling
HKL-2000	data reduction
PHENIX	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 R01GM133198.