4MXE

Human ESCO1 (Eco1/Ctf7 ortholog), acetyltransferase domain in complex with acetyl-CoA

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	4.2	293	0.4M dipotassium hydrogen phosphate, 1.6M sodium hydrogen phosphate and 0.1M phosphate citrate, pH 4.2, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.42	49.18

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 66.333	α = 90
b = 66.333	β = 90
c = 211.201	γ = 90

Symmetry
Space Group	P 41 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	CCD	RAYONIX MX-225		2009-06-02	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	BESSY BEAMLINE 14.1	0.91841	BESSY	14.1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym 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	2.6	35	99.8	0.072	0.053	28.1	14	15312	15312			45

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.6	2.67	99.7		0.533	0.338	5.6	14.4	1107

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MAD	THROUGHOUT	2.6	33.17	13811	13789	1533	99.84	0.22672	0.22672	0.22089	0.27943	RANDOM	54.42

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]
-1.42			-1.42		2.83

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	29.819
r_dihedral_angle_4_deg	19.188
r_dihedral_angle_3_deg	16.864
r_dihedral_angle_1_deg	6.84
r_long_range_B_refined	5.284
r_long_range_B_other	5.283
r_scangle_other	3.388
r_mcangle_it	3.29
r_mcangle_other	3.289
r_scbond_it	2.103
r_scbond_other	2.102
r_mcbond_it	1.987
r_mcbond_other	1.976
r_angle_refined_deg	1.378
r_angle_other_deg	0.761
r_chiral_restr	0.071
r_bond_refined_d	0.009
r_gen_planes_refined	0.008
r_bond_other_d	0.003
r_gen_planes_other	0.003
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
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2860
Nucleic Acid Atoms
Solvent Atoms	20
Heterogen Atoms	102

Software

Software
Software Name	Purpose
MxCuBE	data collection
Auto-Rickshaw	phasing
REFMAC	refinement
XDS	data reduction
XSCALE	data scaling