5MSA

Crystal structure of human carbonic anhydrase isozyme XII with 2,3,5,6-Tetrafluoro-4-(propylthio)benzenesulfonamide

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	5LL9

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.2	291	Crystallization buffer: 0.1M ammonium citrate (pH 7.2), 0.2 M ammonium sulfate and 26% PEG4000

Crystal Properties
Matthews coefficient	Solvent content
2.07	40.3

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 77.17	α = 90
b = 74.157	β = 108.85
c = 91.559	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	PIXEL	DECTRIS PILATUS 6M		2013-05-23	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	PETRA III, EMBL c/o DESY BEAMLINE P14 (MX2)	0.826606	PETRA III, EMBL c/o DESY	P14 (MX2)

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Sym I (Observed)	Rrim I (All)	Rpim I (All)	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	1.2	73.032	97.2	0.057	0.068	0.026	19.9	6.9	294981	294981

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	1.2	1.26	94.4		0.195	3.7	6.6

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	5LL9	1.2	67.64	265539	29410	96.96	0.1445	0.1408	0.1779	RANDOM	19.575

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]
-0.52		-0.29	0.22		0.12

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.226
r_sphericity_free	30.62
r_sphericity_bonded	24.184
r_dihedral_angle_4_deg	17.63
r_dihedral_angle_3_deg	12.559
r_rigid_bond_restr	8.803
r_dihedral_angle_1_deg	7.386
r_angle_refined_deg	2.225
r_chiral_restr	0.155
r_bond_refined_d	0.022

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.226
r_sphericity_free	30.62
r_sphericity_bonded	24.184
r_dihedral_angle_4_deg	17.63
r_dihedral_angle_3_deg	12.559
r_rigid_bond_restr	8.803
r_dihedral_angle_1_deg	7.386
r_angle_refined_deg	2.225
r_chiral_restr	0.155
r_bond_refined_d	0.022
r_gen_planes_refined	0.014

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	8396
Nucleic Acid Atoms
Solvent Atoms	1442
Heterogen Atoms	245

Software

Software
Software Name	Purpose
REFMAC	refinement
SCALA	data scaling
PDB_EXTRACT	data extraction
XDS	data reduction
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.