8Q19

The Crystal Structure of Human Carbonic Anhydrase IX in Complex with Sulfonamide

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	5FL4

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	4.5	294	CRYSTALLIZATION CONDITIONS: 1.0 M DI-AMMONIUM HYDROGEN PHOSPHATE, 0.1 M SODIUM ACETATE PH 4.5, PROTEIN 9 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
3.45	64.36

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 152.86	α = 90
b = 152.86	β = 90
c = 171.79	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	CCD	MARRESEARCH	MULTILAYER	2015-02-05	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	MAX II BEAMLINE I911-3	0.97898	MAX II	I911-3

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	2.63	71.98	98.1	0.104	7.1	2.3		43596			19.5

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	2.63	2.77	97.8		0.428	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	MOLECULAR REPLACEMENT	THROUGHOUT	2.63	61.84	41445	2149	98.07	0.16984	0.16664	0.23373	RANDOM	34.854

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	0.24		0.48		-1.57

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_3_deg	15.723
r_dihedral_angle_2_deg	15.088
r_long_range_B_refined	7.86
r_long_range_B_other	7.858
r_dihedral_angle_1_deg	6.823
r_scangle_other	4.837
r_mcangle_it	4.195
r_mcangle_other	4.195
r_scbond_it	3.111
r_scbond_other	3.111
r_mcbond_it	2.607
r_mcbond_other	2.606
r_angle_refined_deg	1.569
r_angle_other_deg	0.482
r_chiral_restr	0.061
r_bond_refined_d	0.009
r_bond_other_d	0.008
r_gen_planes_refined	0.005
r_gen_planes_other	0.002
r_dihedral_angle_4_deg
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_scangle_it
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	7702
Nucleic Acid Atoms
Solvent Atoms	488
Heterogen Atoms	108

Software

Software
Software Name	Purpose
REFMAC	refinement
SCALA	data scaling