5WBN

Crystal structure of fragment 3-(3-Benzyl-2-oxo-2H-[1,2,4]triazino[2,3-c]quinazolin-6-yl)propanoic acid bound in the ubiquitin binding pocket of the HDAC6 zinc-finger domain

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	4.6	291	2M Na-formate, 0.2M Na-acetate pH4.6, 5% ethylene glycol

Crystal Properties
Matthews coefficient	Solvent content
2.09	41.07

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 40.85	α = 90
b = 43.74	β = 90
c = 55.76	γ = 90

Symmetry
Space Group	P 21 21 21

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	RIGAKU SATURN A200	A200	2015-12-17	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU FR-E SUPERBRIGHT	1.54178

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	1.64	32.62	100	0.089	0.097	0.037	0.998	21.2	6.8		11842

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.69	1.73	100		0.361	0.392	0.15	0.932		6.6

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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		THROUGHOUT	1.64	34.44	11278	564	93.63	0.1336	0.1319	0.1675	RANDOM	9.104

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]
-0.09			0.51		-0.41

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	41.779
r_dihedral_angle_4_deg	21.354
r_dihedral_angle_3_deg	11.288
r_dihedral_angle_1_deg	6.274
r_angle_refined_deg	1.697
r_angle_other_deg	1.159
r_chiral_restr	0.118
r_bond_refined_d	0.016
r_gen_planes_refined	0.01
r_bond_other_d	0.003

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	41.779
r_dihedral_angle_4_deg	21.354
r_dihedral_angle_3_deg	11.288
r_dihedral_angle_1_deg	6.274
r_angle_refined_deg	1.697
r_angle_other_deg	1.159
r_chiral_restr	0.118
r_bond_refined_d	0.016
r_gen_planes_refined	0.01
r_bond_other_d	0.003
r_gen_planes_other	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	801
Nucleic Acid Atoms
Solvent Atoms	149
Heterogen Atoms	56

Software

Software
Software Name	Purpose
REFMAC	refinement
Aimless	data scaling
PDB_EXTRACT	data extraction
XDS	data reduction

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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.