8RNS

Human Carbonic Anhydrase XII mimic in complex with biguanide derivative inhibitor 1-carbamimidamido-N-[(4 sulfamoylphenyl)methyl]methanimidamide

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP		296	1 M sodium citrate, 50 mM Tris-HCl (pH 7.5)

Crystal Properties
Matthews coefficient	Solvent content
2.06	40.23

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 41.98	α = 90
b = 41.33	β = 103.87
c = 71.81	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		2023-09-20	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	1.1	40.8	98.2	0.07	0.08	0.9990000000000001	12	5.9		85727

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	1.14	1.16	90		1.351	1.547	0.368	1.1	4.3

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	FOURIER SYNTHESIS	THROUGHOUT	1.14	40.79	81295	4353	98.15	0.14252	0.14149	0.1498	0.16139	0.165	RANDOM	14.926

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]
0.14		0.24	-0.45		0.17

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	26.12
r_long_range_B_refined	13.286
r_long_range_B_other	12.247
r_dihedral_angle_3_deg	12.12
r_scangle_other	8.921
r_dihedral_angle_1_deg	6.98
r_mcangle_other	6.829
r_mcangle_it	6.819
r_scbond_other	6.393
r_scbond_it	6.39
r_mcbond_it	4.864
r_mcbond_other	4.785
r_rigid_bond_restr	3.917
r_angle_refined_deg	1.766
r_angle_other_deg	0.644
r_chiral_restr	0.097
r_bond_refined_d	0.011
r_gen_planes_refined	0.011
r_gen_planes_other	0.003
r_bond_other_d	0.001
r_dihedral_angle_4_deg
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_scangle_it
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2023
Nucleic Acid Atoms
Solvent Atoms	241
Heterogen Atoms

Software

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