4BF6

Three dimensional structure of human carbonic anhydrase II in complex with 5-(1-(3-Cyanophenyl)-1H-1,2,3-triazol-4-yl)thiophene-2- sulfonamide

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3DC3	PDB ENTRY 3DC3

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8	294	3,2 M (NH4)2SO4 100 MM TRIS- HCL, PH 8.0, PROTEIN 10.8 MG/ML, 5-10 MM INHIBITOR (STOCK SOLUTION WAS 100 MM INHIBITOR DISSOLVED IN 100% DIMETHYL SULFOXIDE), VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 294K, TIME 7-14 DAYS

Crystal Properties
Matthews coefficient	Solvent content
2.1	42

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 42.424	α = 90
b = 41.522	β = 104.24
c = 72.242	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	Bruker Platinum 135	MULTILAYER	2013-02-12	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	BRUKER AXS MICROSTAR	1.5418

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	1.82	35.71	99.3	0.17	21.92	7.55		22049			8.1

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	1.82	1.86	86.8		0.36	3.45	2.82

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	PDB ENTRY 3DC3	1.82	35.74	20916	1122	99.23	0.14751	0.14464	0.20191	RANDOM	12.231

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]
0.42			-0.09		-0.3

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.269
r_dihedral_angle_4_deg	23.13
r_dihedral_angle_3_deg	13.039
r_dihedral_angle_1_deg	6.99
r_angle_refined_deg	2.138
r_angle_other_deg	0.894
r_chiral_restr	0.119
r_bond_refined_d	0.019
r_gen_planes_refined	0.01
r_bond_other_d	0.001
r_gen_planes_other	0.001
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_mcbond_it
r_mcbond_other
r_mcangle_it
r_mcangle_other
r_scbond_it
r_scbond_other
r_scangle_it
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2044
Nucleic Acid Atoms
Solvent Atoms	296
Heterogen Atoms	29

Software

Software
Software Name	Purpose
REFMAC	refinement
SAINT	data reduction
SADABS	data scaling