3MYQ

Crystal structure of human carbonic anhydrase isozyme II with 2-chloro-5-[(1H-imidazo[4,5-c]quinolin-2-ylsulfanyl)acetyl]benzenesulfonamide

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3HLJ	PDB entry 3HLJ

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		291	Crystallization buffer was 0.1M sodium BICINE, pH 9.0, 0.2 M ammonium sulfate, and 2M sodium malonate, pH 7.0 made from 1M sodium BICINE and 3.4M sodium malonate, vapor diffusion, sitting drop, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
2.03	39.53

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 41.98	α = 90
b = 40.91	β = 104.34
c = 71.607	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	MARMOSAIC 225 mm CCD		2009-12-17	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	EMBL/DESY, HAMBURG BEAMLINE X12	0.9443	EMBL/DESY, HAMBURG	X12

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym 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	1.35	28.843	98.1	0.057	0.057	16.9	2.6	51791	50807			13.44955

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	1.35	1.42	97		0.229	0.229	3.6	2.6	7244

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	MR	THROUGHOUT	PDB entry 3HLJ	1.35	25.12	50792	5113	97.78	0.143	0.139	0.181	RANDOM	16.232

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]
0.45		-0.45	0.34		-1.01

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.484
r_dihedral_angle_4_deg	25.261
r_sphericity_free	14.339
r_dihedral_angle_3_deg	12.782
r_sphericity_bonded	9.659
r_dihedral_angle_1_deg	6.864
r_scangle_it	5.918
r_scbond_it	4.476
r_mcangle_it	3.554
r_rigid_bond_restr	2.734

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.484
r_dihedral_angle_4_deg	25.261
r_sphericity_free	14.339
r_dihedral_angle_3_deg	12.782
r_sphericity_bonded	9.659
r_dihedral_angle_1_deg	6.864
r_scangle_it	5.918
r_scbond_it	4.476
r_mcangle_it	3.554
r_rigid_bond_restr	2.734
r_mcbond_it	2.557
r_angle_refined_deg	2.187
r_chiral_restr	0.302
r_bond_refined_d	0.024
r_gen_planes_refined	0.014

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2049
Nucleic Acid Atoms
Solvent Atoms	253
Heterogen Atoms	49

Software

Software
Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling
PDB_EXTRACT	data extraction

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.