6TL5

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

X-RAY DIFFRACTION

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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), VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 294K

Crystal Properties
Matthews coefficient	Solvent content
3.42	64.04

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 152.06	α = 90
b = 152.06	β = 90
c = 172.09	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		2019-03-19	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	2.21	76.04	99.6	0.131	7.9	4.7		73962			30.632

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	2.21	2.33	99.5		0.88	2	4.3

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	6FE2	2.21	76.04	70181	3756	99.52	0.18027	0.178	0.22151	RANDOM	42.588

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]
0.38	0.19		0.38		-1.23

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.747
r_dihedral_angle_4_deg	18.418
r_dihedral_angle_3_deg	14.945
r_long_range_B_refined	9.384
r_long_range_B_other	9.38
r_dihedral_angle_1_deg	7.937
r_scangle_other	6.379
r_mcangle_it	5.327
r_mcangle_other	5.326
r_scbond_it	4.079
r_scbond_other	4.078
r_mcbond_it	3.483
r_mcbond_other	3.483
r_angle_other_deg	2.457
r_angle_refined_deg	1.609
r_chiral_restr	0.072
r_bond_other_d	0.035
r_gen_planes_refined	0.009
r_gen_planes_other	0.009
r_bond_refined_d	0.008

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	7638
Nucleic Acid Atoms
Solvent Atoms	513
Heterogen Atoms	92

Software

Software
Software Name	Purpose
REFMAC	refinement
SCALA	data scaling