5TUO

Crystal structure of the complex of Helicobacter pylori alpha-carbonic anhydrase with 5-amino-1,3,4-thiadiazole-2-sulfonamide inhibitor.

X-RAY DIFFRACTION

Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7	293	12% (w/v) PEG 1.5K, 100 mM di-basic ammonium citrate, 1 mM ZnCl2

Crystal Properties
Matthews coefficient	Solvent content
2.2	44.21

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 41.84	α = 90
b = 136.92	β = 90.04
c = 166.27	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		2014-12-09	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	AUSTRALIAN SYNCHROTRON BEAMLINE MX1	0.9537	Australian Synchrotron	MX1

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	2.5	166.27	99.8	0.047	0.056	0.03	16.6	3.3	64612	64612

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	2.5	2.64	99.7		0.315	0.315	0.382	0.212	2.3	3.1	9445

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	4YGF	2.5	29.912	1.35	64588	3277	99.82	0.229	0.2269	0.2721	52.3148

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]

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	16.291
f_angle_d	1.337
f_chiral_restr	0.052
f_bond_d	0.011
f_plane_restr	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	14347
Nucleic Acid Atoms
Solvent Atoms	103
Heterogen Atoms	95

Software

Software
Software Name	Purpose
PHENIX	refinement
SCALA	data scaling
PDB_EXTRACT	data extraction
iMOSFLM	data reduction
PHENIX	phasing
ADSC	data collection
Coot	model building

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.