3BL1

Carbonic anhydrase inhibitors. Sulfonamide diuretics revisited old leads for new applications

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.7	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	40.77

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 42.05	α = 90
b = 41.32	β = 104.29
c = 72.25	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		2007-11-16	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SEALED TUBE	OXFORD DIFFRACTION ENHANCE ULTRA	1.5418

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	0.14		2		12582	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	2.16	99.3		0.3

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	2.1	20	11494	621	84.99	0.22824	0.22433	0.29943	RANDOM	15.399

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]
-0.11		-0.25	-0.1		0.09

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.286
r_dihedral_angle_4_deg	19.755
r_dihedral_angle_3_deg	19.309
r_dihedral_angle_1_deg	7.226
r_scangle_it	2.575
r_angle_refined_deg	1.876
r_scbond_it	1.802
r_mcangle_it	1.098
r_mcbond_it	0.672
r_nbtor_refined	0.309

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.286
r_dihedral_angle_4_deg	19.755
r_dihedral_angle_3_deg	19.309
r_dihedral_angle_1_deg	7.226
r_scangle_it	2.575
r_angle_refined_deg	1.876
r_scbond_it	1.802
r_mcangle_it	1.098
r_mcbond_it	0.672
r_nbtor_refined	0.309
r_symmetry_vdw_refined	0.264
r_nbd_refined	0.233
r_xyhbond_nbd_refined	0.207
r_symmetry_hbond_refined	0.204
r_chiral_restr	0.112
r_metal_ion_refined	0.064
r_bond_refined_d	0.015
r_gen_planes_refined	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2042
Nucleic Acid Atoms
Solvent Atoms	163
Heterogen Atoms	26

Software

Software
Software Name	Purpose
REFMAC	refinement
CrysalisPro	data collection
CrysalisPro	data reduction
SCALA	data scaling
AMoRE	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.