4WR7

Crystal structure of human carbonic anhydrase isozyme I with 2,3,5,6-Tetrafluoro-4-(propylthio)benzenesulfonamide.

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1CAB

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8.4	291	0.1M TrisHCl (pH 8.5), 0.2M sodium acetate (pH 8.3), 28% PEG3350

Crystal Properties
Matthews coefficient	Solvent content
2.36	47.5

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 62.353	α = 90
b = 72.034	β = 90
c = 121.11	γ = 90

Symmetry
Space Group	P 21 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	PIXEL	DECTRIS PILATUS 6M		2013-05-24	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	PETRA III, EMBL c/o DESY BEAMLINE P14 (MX2)	0.826606	PETRA III, EMBL c/o DESY	P14 (MX2)

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Sym I (Observed)	Rrim I (All)	Rpim I (All)	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	1.5	121.11	96.8	0.064	0.069	0.019	17	12.8	85187	85187			18.62

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Rrim I (All)	Rpim I (All)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.5	1.58	79.1		0.374	0.374	0.41	0.13	2	9.9	9979

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	1CAB	1.5	61.91	85087	8555	96.72	0.199	0.195	0.232	RANDOM	21.009

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]
-1.11			2.05		-0.95

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.874
r_dihedral_angle_4_deg	17.379
r_dihedral_angle_3_deg	13.245
r_dihedral_angle_1_deg	7.168
r_angle_refined_deg	2.368
r_chiral_restr	0.19
r_bond_refined_d	0.023
r_gen_planes_refined	0.014

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4038
Nucleic Acid Atoms
Solvent Atoms	516
Heterogen Atoms	61

Software

Software
Software Name	Purpose
XDS	data reduction
AMoRE	phasing
SCALA	data scaling
REFMAC	refinement

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.