7OA1

Crystal structure of alfa carbonic anhydrase from Schistosoma mansoni with 4-(2-(3-(4-iodophenyl)ureido)ethyl)benzenesulfonamide

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	5	296	20% PEG 6000, 0.1 M citrate pH 5.0

Crystal Properties
Matthews coefficient	Solvent content
2.89	57.38

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 103.5	α = 90
b = 103.5	β = 90
c = 133.29	γ = 120

Symmetry
Space Group	P 32 2 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	PIXEL	DECTRIS PILATUS3 6M		2020-10-08	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ELETTRA BEAMLINE 11.2C	1.0	ELETTRA	11.2C

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	CC (Half)	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	1.75	89.64	99.4	0.089	0.092	0.999	18.17	16		83597

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.75	1.79	94.3		0.523	0.557	0.907	2.48

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 (All)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	NONE	6qqm	2	89.634	56292	2818	99.963	0.166	0.1643	0.1944	28.416

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]
0.295	0.148		0.295		-0.958

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.649
r_dihedral_angle_4_deg	18.973
r_dihedral_angle_3_deg	13.833
r_lrange_it	7.889
r_lrange_other	7.859
r_scangle_other	7.844
r_scangle_it	7.839
r_dihedral_angle_1_deg	7.692
r_scbond_it	5.315
r_scbond_other	5.314
r_mcangle_it	3.769
r_mcangle_other	3.724
r_mcbond_it	2.929
r_mcbond_other	2.928
r_angle_refined_deg	1.865
r_angle_other_deg	1.44
r_symmetry_nbd_refined	0.34
r_nbd_other	0.245
r_nbd_refined	0.203
r_symmetry_nbd_other	0.191
r_nbtor_refined	0.174
r_xyhbond_nbd_refined	0.146
r_metal_ion_refined	0.139
r_symmetry_xyhbond_nbd_refined	0.131
r_chiral_restr	0.099
r_symmetry_nbtor_other	0.093
r_bond_refined_d	0.013
r_gen_planes_refined	0.011
r_gen_planes_other	0.002
r_bond_other_d	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4473
Nucleic Acid Atoms
Solvent Atoms	312
Heterogen Atoms	152

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
XSCALE	data scaling
REFMAC	phasing