6G98

Three dimensional structure of human carbonic anhydrase IX in complex with sulfonamide

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	4.5	294	1.0 M DI-AMMONIUM HYDROGEN PHOSPHATE, 0.1 M SODIUM ACETATE PH 4.5, PROTEIN 10 MG/ML, 5-10 MM INHIBITOR (STOCK SOLUTION WAS 100 MM INHIBITOR DISSOLVED IN 100% DIMETHYL SULFOXIDE)

Crystal Properties
Matthews coefficient	Solvent content
3.43	64.14

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 152.39	α = 90
b = 152.39	β = 90
c = 171.83	γ = 120

Symmetry
Space Group	H 3

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		2018-01-27	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	BESSY BEAMLINE 14.1	0.91840	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	2.47	76.19	99.8	0.166	7.7	4.9		53252			35.3

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	2.47	2.6	99.6		0.811	2	4.8

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	5FL4	2.47	76.19	50547	2703	99.75	0.17122	0.1691	0.20944	RANDOM	39.829

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]
0.43	0.21		0.43		-1.38

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.979
r_dihedral_angle_4_deg	17.309
r_dihedral_angle_3_deg	14.143
r_long_range_B_refined	6.839
r_long_range_B_other	6.817
r_dihedral_angle_1_deg	6.091
r_scangle_other	4.548
r_mcangle_other	3.682
r_mcangle_it	3.681
r_scbond_it	2.734
r_scbond_other	2.734
r_mcbond_it	2.233
r_mcbond_other	2.227
r_angle_refined_deg	1.453
r_angle_other_deg	0.943
r_chiral_restr	0.077
r_bond_refined_d	0.01
r_gen_planes_refined	0.007
r_gen_planes_other	0.003
r_bond_other_d	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	7397
Nucleic Acid Atoms
Solvent Atoms	422
Heterogen Atoms	156

Software

Software
Software Name	Purpose
REFMAC	refinement
SCALA	data scaling