2JEV

Crystal structure of human spermine,spermidine acetyltransferase in complex with a bisubstrate analog (N1-acetylspermine-S-CoA).

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5		PROTEIN AT 15MG/ML IN 20 MM TRIS PH 8.0 CONTAINING 1 MM DTT, 0.1 MM EDTA, 4MM N1-ACETYLSPERMINE-S-COA. CRYSTALLIZED BY HANGING DROP VAPOUR DIFFUSION WITH 3-4 M NACL, 200 MM K/NA TARTRATE, 100 MM TRIS-HCL PH 7-8, 50 MM MGCL2

Crystal Properties
Matthews coefficient	Solvent content
2.61	52.9

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 46.729	α = 90
b = 46.729	β = 90
c = 191.792	γ = 90

Symmetry
Space Group	P 43

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	194	IMAGE PLATE	RIGAKU RAXIS IV			M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RU200

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	2.3	33.5	98.5	0.04	20.2	3.8		17959

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)
1	2.3	2.42	93.9		0.23	4.3	3.3

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	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 2F5I	2.3	47.95	16978	908	98.3	0.227	0.224	0.275	RANDOM	45.48

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]
-1.04			-1.04		2.09

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.454
r_dihedral_angle_3_deg	18.337
r_dihedral_angle_4_deg	17.763
r_dihedral_angle_1_deg	6.541
r_scangle_it	2.552
r_scbond_it	1.584
r_mcangle_it	1.444
r_angle_refined_deg	1.354
r_mcbond_it	0.822
r_nbtor_refined	0.304
r_nbd_refined	0.207
r_symmetry_hbond_refined	0.17
r_symmetry_vdw_refined	0.167
r_xyhbond_nbd_refined	0.139
r_chiral_restr	0.094
r_bond_refined_d	0.011
r_gen_planes_refined	0.004
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2784
Nucleic Acid Atoms
Solvent Atoms	67
Heterogen Atoms	130

Software

Software
Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
CCP4	data scaling
AMoRE	phasing