7QBH

Selenocarbamates as a novel prodrug-based approach towards Carbonic Anhydrase inhibition (hCA II)

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8	296	1.5 M sodium citrate, 0.1 M Tris pH 8.0

Crystal Properties
Matthews coefficient	Solvent content
2.1	41.46

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 42.38	α = 90
b = 41.48	β = 104.531
c = 72.33	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	PIXEL	DECTRIS PILATUS 6M		2021-11-03	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ELETTRA BEAMLINE 11.2C	0.971700	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	1.22	41.47	81.9	0.063	0.069	0.998	15.65	5.47		58986

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	1.22	1.25			0.281	0.383	0.826	2.36	2.05

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	4FIK	1.223	40.081	58986	2957	81.915	0.154	0.1523	0.177	12.585

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]
-0.031		-0.09	0.003		0.066

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.32
r_dihedral_angle_4_deg	23.416
r_dihedral_angle_3_deg	12.537
r_dihedral_angle_1_deg	7.004
r_lrange_other	4.452
r_lrange_it	4.45
r_scangle_it	3.308
r_scangle_other	3.307
r_scbond_it	2.183
r_scbond_other	2.183
r_mcangle_it	2.128
r_mcangle_other	2.127
r_angle_refined_deg	1.952
r_angle_other_deg	1.451
r_mcbond_it	1.413
r_mcbond_other	1.408
r_nbd_refined	0.238
r_symmetry_nbd_other	0.195
r_symmetry_nbd_refined	0.191
r_nbtor_refined	0.179
r_xyhbond_nbd_refined	0.162
r_nbd_other	0.157
r_symmetry_xyhbond_nbd_refined	0.14
r_chiral_restr	0.096
r_symmetry_nbtor_other	0.085
r_metal_ion_refined	0.032
r_bond_refined_d	0.014
r_gen_planes_refined	0.011
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2058
Nucleic Acid Atoms
Solvent Atoms	266
Heterogen Atoms	9

Software

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