6THV

X-ray structure of the Danio rerio histone deacetylase 6 (HDAC6; catalytic domain 2) in complex with Tubastatin A

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	5EEK

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	5.8	283	0.2 M KSCN, 20 % PEG 3350, 0.1 M Bis-Tris, pH5.8

Crystal Properties
Matthews coefficient	Solvent content
2.55	51.81

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 84.278	α = 90
b = 93.713	β = 90
c = 51.574	γ = 90

Symmetry
Space Group	P 21 21 2

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		2019-06-24	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	EMBL/DESY, HAMBURG BEAMLINE X13	0.9796	EMBL/DESY, HAMBURG	X13

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	1.1	46.9	99.6	0.075	0.999	17.45	12.3		166560

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	1.1	1.16			0.844	0.864	2.94

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	FOURIER SYNTHESIS	THROUGHOUT	5EEK	1.1	46.9	164453	2101	99.6	0.1601	0.1599	0.1688	RANDOM	12.911

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]
-0.79			0.94		-0.16

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	30.574
r_dihedral_angle_4_deg	16.381
r_dihedral_angle_3_deg	11.961
r_dihedral_angle_1_deg	6.027
r_angle_other_deg	3.633
r_angle_refined_deg	1.627
r_mcangle_it	1.466
r_mcbond_it	1.129
r_mcbond_other	1.001
r_chiral_restr	0.114

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	30.574
r_dihedral_angle_4_deg	16.381
r_dihedral_angle_3_deg	11.961
r_dihedral_angle_1_deg	6.027
r_angle_other_deg	3.633
r_angle_refined_deg	1.627
r_mcangle_it	1.466
r_mcbond_it	1.129
r_mcbond_other	1.001
r_chiral_restr	0.114
r_bond_refined_d	0.013
r_gen_planes_other	0.009
r_gen_planes_refined	0.007
r_bond_other_d	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2764
Nucleic Acid Atoms
Solvent Atoms	381
Heterogen Atoms	74

Software

Software
Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
XDS	data reduction
Aimless	data scaling
REFMAC	phasing
Coot	model building

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.