6QNL

Three dimensional structure of human carbonic anhydrase XII in complex with benzenesulfonamide

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	5.6	294	0.2M AMMONIUM ACETATE, 0.1M SODIUM CITRATE, PH 5.6, 31% PEG 4000, PROTEIN 10 MG/ML, 5-10 MM INHIBITOR (STOCK SOLUTION WAS DISSOLVED IN 100% DMSO)

Crystal Properties
Matthews coefficient	Solvent content
2.19	43.99

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 77.06	α = 90
b = 73.96	β = 109
c = 91.23	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		2017-05-30	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	BESSY BEAMLINE 14.1	0.918400	BESSY	14.1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	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	1.53	50	99.5	0.086	7.5	3.4		145188			12.623

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.53	1.61	99.8		0.54	2	3.2

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	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION		THROUGHOUT	1.53	49.93	137763	7386	99.44	0.1848	0.18327	0.21385	RANDOM	18.036

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]
-0.48		0.45	0.31		-0.11

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.999
r_dihedral_angle_4_deg	15.328
r_dihedral_angle_3_deg	12.99
r_dihedral_angle_1_deg	7.519
r_long_range_B_refined	4.738
r_long_range_B_other	4.626
r_scangle_other	3.364
r_mcangle_it	2.35
r_mcangle_other	2.35
r_scbond_it	2.149
r_scbond_other	2.148
r_angle_refined_deg	1.595
r_mcbond_it	1.543
r_mcbond_other	1.541
r_angle_other_deg	1.479
r_chiral_restr	0.079
r_bond_refined_d	0.01
r_gen_planes_refined	0.009
r_bond_other_d	0.003
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	8327
Nucleic Acid Atoms
Solvent Atoms	893
Heterogen Atoms	116

Software

Software
Software Name	Purpose
REFMAC	refinement
SCALA	data scaling