5LJQ | pdb_00005ljq

Crystal structure of human carbonic anhydrase II in complex with the 4-(4-(phenoxymethyl)-1H-1,2,3-triazol-1-yl)benzenesulfonamide inhibitor

X-RAY DIFFRACTION

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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	1.5 M sodium citrate, Tris 50 mM

Crystal Properties
Matthews coefficient	Solvent content
2.11	41.77

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 42.371	α = 90
b = 41.445	β = 104.45
c = 72.216	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-F		2015-07-16	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID23-1	0.976	ESRF	ID23-1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	CC (Half)	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	1.05	41.445	97.1	0.061	0.999	12.61	4.75		109788		-3	12.331

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.05	1.11	86.1		0.579	0.699	2.07	3.77

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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	FOURIER SYNTHESIS	THROUGHOUT	4FIK	1.05	30	104237	5512	97.18	0.1343	0.1335	0.1339	0.1485	0.1492	RANDOM	12.319

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]
-0.04		-0.01	0.05

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.995
r_sphericity_free	25.66
r_dihedral_angle_4_deg	21.09
r_dihedral_angle_3_deg	10.19
r_sphericity_bonded	6.501
r_dihedral_angle_1_deg	6.31
r_angle_refined_deg	1.176
r_mcangle_it	0.908
r_rigid_bond_restr	0.788
r_angle_other_deg	0.719
r_mcbond_it	0.64
r_mcbond_other	0.63
r_chiral_restr	0.074
r_bond_refined_d	0.005
r_gen_planes_refined	0.005
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2047
Nucleic Acid Atoms
Solvent Atoms	418
Heterogen Atoms	50

Software

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