8BZZ

Crystal structure of carbonic anhydrase 2 4-(dimethylamino)-N-nitrobenzenesulfonamide

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	41.39

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 42.38	α = 90
b = 41.5	β = 104.395
c = 72.16	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		2021-12-20	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ELETTRA BEAMLINE 11.2C	1.000	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	1.07	69.89	98.6	0.048	0.053	0.999	17.05	5.47		106121

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	1.07	1.1	94.4		0.591	0.667	0.769	2.46	4.25

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 (All)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	NONE	1.07	69.89	106121	5276	98.66	0.132	0.1303	0.154	13.724

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]
-0.285		-0.05	0.254		0.05

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.99
r_dihedral_angle_4_deg	22.979
r_rigid_bond_restr	13.121
r_dihedral_angle_3_deg	10.743
r_dihedral_angle_1_deg	7.325
r_scbond_it	5.795
r_scbond_other	5.792
r_scangle_it	5.654
r_scangle_other	5.652
r_lrange_it	5.39
r_lrange_other	5.319
r_mcangle_it	4.832
r_mcangle_other	4.831
r_mcbond_it	4.818
r_mcbond_other	4.816
r_angle_refined_deg	2.258
r_angle_other_deg	1.624
r_nbd_refined	0.242
r_nbd_other	0.211
r_symmetry_nbd_other	0.21
r_symmetry_xyhbond_nbd_refined	0.2
r_nbtor_refined	0.185
r_symmetry_nbd_refined	0.184
r_xyhbond_nbd_refined	0.147
r_chiral_restr	0.132
r_symmetry_nbtor_other	0.097
r_metal_ion_refined	0.077
r_bond_refined_d	0.021
r_gen_planes_refined	0.014
r_bond_other_d	0.004
r_gen_planes_other	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2045
Nucleic Acid Atoms
Solvent Atoms	299
Heterogen Atoms	39

Software

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