5U0D

Identification of a New Zinc Binding Chemotype by Fragment Screening

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	4CQ0

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		281	the reservoir condition consisted of 2.9 M ammonium sulfate with 0.1 M Tris buffer at pH 8.3; concentrated CA II at ~10 mg mL-1 was set up with seeding; dry compound was added to crystals several days before harvesting and data collection

Crystal Properties
Matthews coefficient	Solvent content
2.1	41.35

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 42.567	α = 90
b = 41.341	β = 104.47
c = 72.094	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 210		2016-10-22	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	AUSTRALIAN SYNCHROTRON BEAMLINE MX1	0.953700	Australian Synchrotron	MX1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.59	41.3	99.6	0.999	21.6	7.2		32975

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.59	1.61	93.6		0.86	3.5	6.4

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	4cq0	1.59	41.3	31243	1719	99.6	0.12045	0.11848	0.15449	RANDOM	15.669

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]
0.18		-0.01	-0.04		-0.12

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.917
r_dihedral_angle_4_deg	23.204
r_sphericity_free	20.746
r_dihedral_angle_3_deg	11.981
r_sphericity_bonded	7.292
r_dihedral_angle_1_deg	6.417
r_long_range_B_refined	2.811
r_long_range_B_other	2.81
r_scangle_other	2.457
r_scbond_it	2.107
r_scbond_other	2.107
r_rigid_bond_restr	1.816
r_mcangle_other	1.747
r_mcangle_it	1.729
r_angle_refined_deg	1.516
r_mcbond_it	1.396
r_mcbond_other	1.36
r_angle_other_deg	0.917
r_chiral_restr	0.089
r_bond_refined_d	0.011
r_gen_planes_refined	0.007
r_bond_other_d	0.002
r_gen_planes_other	0.002
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_scangle_it

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2059
Nucleic Acid Atoms
Solvent Atoms	250
Heterogen Atoms	24

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
Aimless	data scaling
PHASER	phasing