2O4Z

Crystal structure of the Carbonic Anhydrase II complexed with hydroxysulfamide inhibitor

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP		277	Tris.HCl, pH 7.7-7.8, sodium 4-(hydroxymercury)benzoate , VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.08	40.92

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 42.1	α = 90
b = 41.39	β = 104.38
c = 72.3	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	OXFORD SAPPHIRE CCD		2006-10-24	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SEALED TUBE	OXFORD DIFFRACTION ENHANCE ULTRA

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Sym 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	2.1	20	98.7	0.169	7.6	4.5		14225	2

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	2.1	2.17	97.6		0.429	1.5	2.7	1427

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	pdb entry 1CA2	2.1	20	13513	683	99.28	0.21048	0.2076	0.26632	RANDOM	15.667

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]
		-0.12	0.37		-0.43

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.44
r_dihedral_angle_4_deg	19.425
r_dihedral_angle_3_deg	18.516
r_dihedral_angle_1_deg	6.605
r_scangle_it	2.562
r_scbond_it	1.749
r_angle_refined_deg	1.484
r_mcangle_it	1.067
r_mcbond_it	0.602
r_nbtor_refined	0.309

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.44
r_dihedral_angle_4_deg	19.425
r_dihedral_angle_3_deg	18.516
r_dihedral_angle_1_deg	6.605
r_scangle_it	2.562
r_scbond_it	1.749
r_angle_refined_deg	1.484
r_mcangle_it	1.067
r_mcbond_it	0.602
r_nbtor_refined	0.309
r_symmetry_vdw_refined	0.238
r_nbd_refined	0.205
r_xyhbond_nbd_refined	0.152
r_metal_ion_refined	0.142
r_symmetry_hbond_refined	0.13
r_chiral_restr	0.099
r_bond_refined_d	0.012
r_gen_planes_refined	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2046
Nucleic Acid Atoms
Solvent Atoms	162
Heterogen Atoms	8

Software

Software
Software Name	Purpose
REFMAC	refinement
CrysalisPro	data collection
CrysalisPro	data reduction
CCP4	data scaling
CNS	phasing

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.