5L6K

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, HANGING DROP	5.1	293	NaAc, PEG 4000

Crystal Properties
Matthews coefficient	Solvent content
2.91	57.66

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 44.07	α = 90
b = 84.87	β = 97.81
c = 77.22	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 EIGER X 4M	half-Kirkpatrick-Baez (KB) mirrors	2015-12-14	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE MASSIF-3	0.9677	ESRF	MASSIF-3

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	1.7	78.64	99.7	0.084	0.997	11.34	4.4		61725		-3	27.238

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	1.7	1.76	99.8		0.693	1.93

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	1.7	76.5	58588	3137	99.71	0.155	0.1536	0.1813	RANDOM	25.343

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]
-0.3		-0.84	1.22		-0.67

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.416
r_dihedral_angle_4_deg	17.014
r_dihedral_angle_3_deg	12.45
r_dihedral_angle_1_deg	6.293
r_angle_other_deg	3.694
r_mcangle_it	3.177
r_mcbond_it	2.424
r_mcbond_other	2.379
r_angle_refined_deg	1.868
r_chiral_restr	0.123

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.416
r_dihedral_angle_4_deg	17.014
r_dihedral_angle_3_deg	12.45
r_dihedral_angle_1_deg	6.293
r_angle_other_deg	3.694
r_mcangle_it	3.177
r_mcbond_it	2.424
r_mcbond_other	2.379
r_angle_refined_deg	1.868
r_chiral_restr	0.123
r_gen_planes_other	0.026
r_bond_refined_d	0.017
r_gen_planes_refined	0.014
r_bond_other_d	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4114
Nucleic Acid Atoms
Solvent Atoms	397
Heterogen Atoms	357

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
SCALA	data scaling
PHASER	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.