7R1X

human Carbonic Anhydrase II in complex with 4-oxo-N-(4-sulfamoylphenethyl)-1,3,4,6,7,11b-hexahydro-2H-pyrazino[2,1-a]isoquinoline-2-carbothioamide

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
2.11	41.7

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 42.49	α = 90
b = 41.68	β = 104.513
c = 72.08	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		2021-06-03	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ELETTRA BEAMLINE 11.2C	0.9718	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	1.35	41.17	97.8	0.053	0.054	0.999	18.6	5.83		53135

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	1.35	1.38	81.6		0.631	0.663	0.721	2.19	3.46

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	1.35	41.17	53135	2592	97.894	0.158	0.1572	0.1763	16.188

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]
-0.276		0.08	0.045		0.167

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.354
r_dihedral_angle_4_deg	22.608
r_dihedral_angle_3_deg	12.201
r_dihedral_angle_1_deg	7.144
r_lrange_it	5.397
r_lrange_other	5.292
r_scangle_it	4.38
r_scangle_other	4.379
r_scbond_it	2.956
r_scbond_other	2.955
r_mcangle_it	2.522
r_mcangle_other	2.52
r_angle_refined_deg	1.881
r_mcbond_it	1.671
r_mcbond_other	1.661
r_angle_other_deg	1.465
r_symmetry_nbd_refined	0.275
r_nbd_other	0.25
r_nbd_refined	0.243
r_symmetry_nbd_other	0.201
r_symmetry_xyhbond_nbd_other	0.199
r_nbtor_refined	0.18
r_xyhbond_nbd_refined	0.154
r_symmetry_xyhbond_nbd_refined	0.129
r_chiral_restr	0.099
r_symmetry_nbtor_other	0.083
r_metal_ion_refined	0.059
r_bond_refined_d	0.014
r_gen_planes_refined	0.012
r_xyhbond_nbd_other	0.006
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2054
Nucleic Acid Atoms
Solvent Atoms	229
Heterogen Atoms	37

Software

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