7ORQ

crystal structure of human carbonic anhydrase II in complex with 4-((3-(butylselanyl)-2-hydroxypropyl)selanyl)benzenesulfonamide

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	4FIK

Crystallization

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

Crystal Properties
Matthews coefficient	Solvent content
2.1	41.52

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 42.511	α = 90
b = 41.39	β = 104.385
c = 72.29	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 PILATUS3 6M		2020-02-11	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ELETTRA BEAMLINE 11.2C	1.0001	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	1.43	40.149	95.4	0.041	0.049	0.999	16.84	3.34		84521

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	1.43	1.51	90.5		0.277	0.333	0.905	3.79	3.23

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	1.43	40.149	43506	2223	95.759	0.15	0.1485	0.1707	15.449

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]
-0.259		-0.144	0.05		0.25

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.243
r_dihedral_angle_4_deg	22.457
r_dihedral_angle_3_deg	11.982
r_dihedral_angle_1_deg	7.15
r_lrange_other	5.068
r_lrange_it	5.063
r_scangle_it	4.201
r_scangle_other	4.194
r_scbond_it	2.774
r_scbond_other	2.773
r_mcangle_other	2.359
r_mcangle_it	2.358
r_angle_refined_deg	1.885
r_mcbond_it	1.619
r_mcbond_other	1.576
r_angle_other_deg	1.456
r_nbd_refined	0.236
r_symmetry_nbd_refined	0.202
r_symmetry_nbd_other	0.194
r_symmetry_xyhbond_nbd_refined	0.192
r_xyhbond_nbd_refined	0.182
r_nbtor_refined	0.178
r_nbd_other	0.175
r_chiral_restr	0.102
r_symmetry_nbtor_other	0.085
r_metal_ion_refined	0.056
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	2048
Nucleic Acid Atoms
Solvent Atoms	212
Heterogen Atoms	42

Software

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