2FL4 | pdb_00002fl4

The crystal structure of the spermine/spermidine acetyltransferase from Enterococcus faecalis

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	4.6	287	0.1M Sodium Acetate, 3M Sodium Chloride, pH 4.6, VAPOR DIFFUSION, SITTING DROP, temperature 287K

Crystal Properties
Matthews coefficient	Solvent content
2.34	47.43

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 90.479	α = 90
b = 90.479	β = 90
c = 34.598	γ = 120

Symmetry
Space Group	P 6

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 315	mirrors	2005-03-11	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-ID	0.9798	APS	19-ID

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	1.6	39.2	97.46	0.083	21.3	6.6	20514	19993	2	2	16

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	1.6	1.642	78.44		0.197	4	3.5	1480

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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SAD	THROUGHOUT	1.6	39.2	20514	19993	1086	97.46	0.2135	0.2135	0.21159	0.22	0.24865	0.22	RANDOM	15.959

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]
-0.68	-0.34		-0.68		1.02

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.35
r_dihedral_angle_4_deg	15.291
r_dihedral_angle_3_deg	12.911
r_dihedral_angle_1_deg	5.911
r_sphericity_free	4.303
r_scangle_it	2.68
r_scbond_it	2
r_sphericity_bonded	1.878
r_rigid_bond_restr	1.707
r_mcangle_it	1.537
r_mcbond_it	1.306
r_angle_refined_deg	1.282
r_angle_other_deg	0.772
r_mcbond_other	0.336
r_symmetry_vdw_refined	0.253
r_symmetry_vdw_other	0.246
r_nbd_refined	0.21
r_xyhbond_nbd_refined	0.209
r_nbtor_refined	0.186
r_nbd_other	0.185
r_symmetry_hbond_refined	0.135
r_nbtor_other	0.081
r_chiral_restr	0.078
r_bond_refined_d	0.01
r_gen_planes_refined	0.004
r_bond_other_d	0.002
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1213
Nucleic Acid Atoms
Solvent Atoms	172
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
SBC-Collect	data collection
HKL-2000	data scaling
CNS	phasing