8A8Z

Crystal structure of Danio rerio HDAC6 CD2 in complex with in situ enzymatically hydrolyzed DFMO-based ITF5924

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.5	277	0.1 M Na-citrate pH 6.5, 20% (v/v) PEG4000, 20% (v/v) isopropanol

Crystal Properties
Matthews coefficient	Solvent content
2.36	47.98

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 52.372	α = 90
b = 118.924	β = 93.87
c = 60.263	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		2021-03-09	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ELETTRA BEAMLINE 11.2C	1.283	ELETTRA	11.2C

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	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	1.6	47.88	95.6	0.133	0.143	0.052	0.998	8.8	7.5		92341			19.05

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.6	1.63	91.9		2.494	2.683	1.356	0.37	0.8	7.4

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	5EEK	1.6	47.88	87601	4695	95.42	0.1568	0.155	0.1903	RANDOM	23.673

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]
-0.19		-0.81	1.03		-0.72

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.953
r_dihedral_angle_4_deg	16.361
r_dihedral_angle_3_deg	12.912
r_dihedral_angle_1_deg	6.408
r_angle_refined_deg	1.609
r_angle_other_deg	1.479
r_chiral_restr	0.083
r_bond_refined_d	0.01
r_gen_planes_refined	0.009
r_bond_other_d	0.001

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.953
r_dihedral_angle_4_deg	16.361
r_dihedral_angle_3_deg	12.912
r_dihedral_angle_1_deg	6.408
r_angle_refined_deg	1.609
r_angle_other_deg	1.479
r_chiral_restr	0.083
r_bond_refined_d	0.01
r_gen_planes_refined	0.009
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5580
Nucleic Acid Atoms
Solvent Atoms	686
Heterogen Atoms	62

Software

Software
Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
XDS	data reduction
Aimless	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 R01GM133198.