7ZL6

Azosemide in complex with human Carbonic anhydrase II (hCA II)

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	8	293	1.5 M sodium citrate, 50 mM Tris pH 8.0

Crystal Properties
Matthews coefficient	Solvent content
2.12	41.86

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 42.64	α = 90
b = 41.58	β = 104.522
c = 72.2	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		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	1.38	40.265	91.8	0.049	0.053	0.999	18.54	6.3		46185

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	1.38	1.42			0.672	0.744	0.744	2.17

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	1.383	40.265	46185	2235	91.863	0.163	0.1614	0.1848	17.719

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]
-0.028		-0.003	0.026		0.004

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.779
r_dihedral_angle_4_deg	22.63
r_dihedral_angle_3_deg	12.432
r_dihedral_angle_1_deg	7.157
r_lrange_other	5.011
r_lrange_it	5.009
r_scangle_it	4.128
r_scangle_other	4.127
r_scbond_it	2.78
r_scbond_other	2.778
r_mcangle_other	2.599
r_mcangle_it	2.596
r_angle_refined_deg	1.795
r_mcbond_it	1.767
r_mcbond_other	1.759
r_angle_other_deg	1.451
r_nbd_refined	0.234
r_symmetry_nbd_other	0.191
r_nbd_other	0.178
r_symmetry_nbd_refined	0.177
r_nbtor_refined	0.174
r_symmetry_xyhbond_nbd_refined	0.151
r_xyhbond_nbd_refined	0.124
r_metal_ion_refined	0.107
r_chiral_restr	0.093
r_symmetry_nbtor_other	0.081
r_bond_refined_d	0.012
r_gen_planes_refined	0.011
r_symmetry_xyhbond_nbd_other	0.003
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2053
Nucleic Acid Atoms
Solvent Atoms	219
Heterogen Atoms	24

Software

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