3F0R

Crystal Structure Analysis of Human HDAC8 complexed with trichostatin A in a new monoclinic crystal form

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1W22	PDB entry 1W22

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	5.8	298	Final drop concentrations of 25 mM Tris, 2.5% glycerol, 75 mM KCl, 1-5% PEG 6000, 50 mM MES, 1 mM tri(2-carboxyethyl)phosphine (TCEP), 0.03 mM gly-gly-gly , pH 5.8, VAPOR DIFFUSION, SITTING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.83	56.48

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 87.895	α = 90
b = 90.705	β = 94.63
c = 92.141	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 270		2006-02-03	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	CHESS BEAMLINE F1	0.91240	CHESS	F1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	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	2.54	50	96.8	0.097	11.7	3.2	45639	45639			63.4

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)
	2.54	2.63	97.4		0.508	2.3	3	4566

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	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	PDB entry 1W22	2.54	40.97	45639	43041	2177	90	0.21	0.21	0.258	RANDOM	57.9

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]
10.12		-3.51	-2.73		-7.39

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	22.2
c_scangle_it	2.9
c_mcangle_it	2.33
c_scbond_it	1.89
c_mcbond_it	1.38
c_angle_deg	1.2
c_improper_angle_d	0.82
c_bond_d	0.007
c_bond_d_na
c_bond_d_prot
c_angle_d
c_angle_d_na
c_angle_d_prot
c_angle_deg_na
c_angle_deg_prot
c_dihedral_angle_d_na
c_dihedral_angle_d_prot
c_improper_angle_d_na
c_improper_angle_d_prot

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	8461
Nucleic Acid Atoms
Solvent Atoms	101
Heterogen Atoms	141

Software

Software
Software Name	Purpose
ADSC	data collection
AMoRE	phasing
CNS	refinement
HKL-2000	data reduction
HKL-2000	data scaling