4KNJ

Crystal structure of human carbonic anhydrase isozyme II with 2-Chloro-4-[(pyrimidin-2-ylsulfanyl)acetyl]benzenesulfonamide

X-RAY DIFFRACTION

Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.5	291	2.2M sodium malonate, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
2.1	39.7

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 41.988	α = 90
b = 40.914	β = 104.14
c = 71.339	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	IMAGE PLATE	MAR555 FLAT PANEL	Detector swing-out angle up to 30 degrees	2011-11-21	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	EMBL/DESY, HAMBURG BEAMLINE X11	0.815	EMBL/DESY, HAMBURG	X11

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	2	30.26	94.3	0.11	6.7	3.9		15098			21.207

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Rrim I (All)	Rpim I (All)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2	2.11	92.5		0.317	0.317	0.39	0.19	1.4	3.8	2135

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	3HLJ	2	30.26	15077	15077	1465	93.63	0.171	0.171	0.164	0.228	RANDOM	18.888

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]
-0.18		-0.07	-1.24		1.38

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.104
r_dihedral_angle_4_deg	18.919
r_dihedral_angle_3_deg	16.409
r_dihedral_angle_1_deg	7.767
r_scangle_it	4.243
r_scbond_it	2.872
r_angle_refined_deg	1.94
r_mcangle_it	1.833
r_mcbond_it	1.119
r_nbtor_refined	0.313

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.104
r_dihedral_angle_4_deg	18.919
r_dihedral_angle_3_deg	16.409
r_dihedral_angle_1_deg	7.767
r_scangle_it	4.243
r_scbond_it	2.872
r_angle_refined_deg	1.94
r_mcangle_it	1.833
r_mcbond_it	1.119
r_nbtor_refined	0.313
r_symmetry_vdw_refined	0.253
r_symmetry_hbond_refined	0.251
r_nbd_refined	0.225
r_xyhbond_nbd_refined	0.16
r_chiral_restr	0.138
r_metal_ion_refined	0.067
r_bond_refined_d	0.023
r_gen_planes_refined	0.01

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2049
Nucleic Acid Atoms
Solvent Atoms	156
Heterogen Atoms	33

Software

Software
Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling
PDB_EXTRACT	data extraction
DNA	data collection
MOLREP	phasing

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.