Experiment: 3TFY

Naa50p amino-terminal acetyltransferase bound to substrate peptide fragment and CoA

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2PSW	PDB entry 2PSW (cofactor and solvent removed)

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5	273	well solution: 16% PEG 8000, 20% glycerol, 40mM potassium phosphate (monobasic), pH 5.0, VAPOR DIFFUSION, HANGING DROP, temperature 273K

Crystal Properties
Matthews coefficient	Solvent content
2.68	54.09

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 48.299	α = 90
b = 104.103	β = 106.29
c = 68.247	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	Toroidal focusing mirror	2010-06-10	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X6A	1.1271	NSLS	X6A

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	2.75	50	98.9	12.9	10.2	3.6	17043	16856		-3

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.75	2.8	93.2		40.9	2.1	3.2	682

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	PDB entry 2PSW (cofactor and solvent removed)	2.75	33.659	0.19	17043	16010	813	94.69	0.1935	0.1903	0.2107	0.2537	0.2623

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]
21.8989		-9.188	-22.5298		0.6309

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	21.363
f_angle_d	1.596
f_chiral_restr	0.151
f_bond_d	0.008
f_plane_restr	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3823
Nucleic Acid Atoms
Solvent Atoms	93
Heterogen Atoms	144

Software

Software
Software Name	Purpose
HKL-2000	data collection
PHASER	phasing
PHENIX	refinement
HKL-2000	data reduction
HKL-2000	data scaling