5L3O

Crystal Structure of Human Carbonic Anhydrase II in Complex with a Quinoline Oligoamide Foldamer

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3KS3

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	4.6	293	NA acetate, PEG 4000, NaN3

Crystal Properties
Matthews coefficient	Solvent content
2.91	57.66

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 158.88	α = 90
b = 54.48	β = 112.79
c = 84.92	γ = 90

Symmetry
Space Group	C 1 2 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	MARMOSAIC 225 mm CCD	Pt coated Si mirrors	2015-03-13	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID23-2	0.8726	ESRF	ID23-2

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	1.98	78.29	98.1	0.125	0.994	7.9	4		46107			34.12

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	1.98	2.1	92.5		0.665	1.9	4

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	3KS3	1.98	78.29	43836	2271	98.27	0.2081	0.2066	0.2357	RANDOM	43.816

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]
-1.45		1.99	-0.87		0.48

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.659
r_dihedral_angle_4_deg	23.072
r_dihedral_angle_3_deg	13.867
r_dihedral_angle_1_deg	6.735
r_angle_other_deg	3.626
r_mcangle_it	3.139
r_mcbond_it	2.349
r_mcbond_other	2.342
r_angle_refined_deg	1.659
r_chiral_restr	0.09

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.659
r_dihedral_angle_4_deg	23.072
r_dihedral_angle_3_deg	13.867
r_dihedral_angle_1_deg	6.735
r_angle_other_deg	3.626
r_mcangle_it	3.139
r_mcbond_it	2.349
r_mcbond_other	2.342
r_angle_refined_deg	1.659
r_chiral_restr	0.09
r_gen_planes_other	0.014
r_bond_refined_d	0.013
r_gen_planes_refined	0.008
r_bond_other_d

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4124
Nucleic Acid Atoms
Solvent Atoms	260
Heterogen Atoms	370

Software

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

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.