4RH2 | pdb_00004rh2

Crystal structure of human carbonic anhydrase II in complex with 2-(6-hydroxy-3-Oxo-3H-xanthen-9-yl)-5-{3-1-(4-sulfamoyl-phenyl)-1h-[1,2,3]triazol-4-ylmethyl-thioureido}-benzoic acid

X-RAY DIFFRACTION

Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	8	296	1.6 M sodium citrate, Tris 50 mM, pH 8.0, VAPOR DIFFUSION, temperature 296K

Crystal Properties
Matthews coefficient	Solvent content
2.09	41.06

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 42.362	α = 90
b = 41.282	β = 104.3
c = 72.138	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		2013-12-10	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALBA BEAMLINE XALOC	0.980	ALBA	XALOC

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	1.3	30	84.7	0.022	23.8	2.07	50556	50556		-3	15.639

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	1.3	1.38	44.8		0.063	8.64

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 (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	FOURIER SYNTHESIS	THROUGHOUT	4FIK	1.3	30	50556	50556	2526	84.71	0.1565	0.1557	0.16	0.1712	0.17	RANDOM	13

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
r_dihedral_angle_2_deg	36.831
r_dihedral_angle_4_deg	23.949
r_dihedral_angle_3_deg	11.033
r_dihedral_angle_1_deg	6.148
r_angle_refined_deg	1.331
r_mcangle_it	1.019
r_scbond_it	0.792
r_mcbond_it	0.585
r_chiral_restr	0.086
r_bond_refined_d	0.006

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.831
r_dihedral_angle_4_deg	23.949
r_dihedral_angle_3_deg	11.033
r_dihedral_angle_1_deg	6.148
r_angle_refined_deg	1.331
r_mcangle_it	1.019
r_scbond_it	0.792
r_mcbond_it	0.585
r_chiral_restr	0.086
r_bond_refined_d	0.006
r_gen_planes_refined	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2036
Nucleic Acid Atoms
Solvent Atoms	385
Heterogen Atoms	52

Software

Software
Software Name	Purpose
XSCALE	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
DNA	data collection
XDS	data reduction
XDS	data scaling

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.