6UFB

Carbonic anhydrase 2 with inhibitor (2Z)-2-benzylidene-3-oxo-N-(4-sulfamoylphenyl)butanamide (11a/D1)

X-RAY DIFFRACTION

---

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	4CQ0	PDB entry 4CQ0

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		281	200 nL 7 mg/mL protein + 200 nL reservoir solution (2.5-2.8 M ammonium sulfate, 100 mM Tris, pH 8.5-9.0)

Crystal Properties
Matthews coefficient	Solvent content
2.09	41.19

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 42.356	α = 90
b = 41.485	β = 104.528
c = 72.028	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	CCD	ADSC QUANTUM 210r		2017-10-22	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	AUSTRALIAN SYNCHROTRON BEAMLINE MX1	0.953700	Australian Synchrotron	MX1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rpim 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	1.67	41.48	97.3	0.091	0.036	0.999	17.2	7.5		27672

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.67	1.7			0.772	0.302	0.8	2.6

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 (All)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	PDB entry 4CQ0	1.67	41.035	27660	1417	96.91	0.152	0.1506	0.1859	14.896

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]
-0.031		-0.001	-0.16		0.169

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.956
r_dihedral_angle_4_deg	21.036
r_dihedral_angle_3_deg	13.723
r_dihedral_angle_1_deg	7.079
r_lrange_it	4.374
r_lrange_other	4.374
r_scangle_it	2.977
r_scangle_other	2.959
r_mcangle_it	2.032
r_mcangle_other	2.032
r_scbond_it	1.885
r_scbond_other	1.863
r_angle_refined_deg	1.628
r_angle_other_deg	1.441
r_mcbond_it	1.288
r_mcbond_other	1.285
r_symmetry_nbd_refined	0.248
r_nbd_refined	0.235
r_symmetry_nbd_other	0.193
r_nbd_other	0.191
r_xyhbond_nbd_refined	0.183
r_symmetry_xyhbond_nbd_refined	0.179
r_nbtor_refined	0.175
r_symmetry_nbtor_other	0.079
r_chiral_restr	0.078
r_metal_ion_refined	0.063
r_bond_refined_d	0.01
r_gen_planes_refined	0.009
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2059
Nucleic Acid Atoms
Solvent Atoms	258
Heterogen Atoms	43

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
Aimless	data scaling
PHASER	phasing