1XOV

The crystal structure of the listeria monocytogenes bacteriophage PSA endolysin PlyPSA

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.8	298	100mM hepes, 0.2M (nh4)2so4, 25% peg 3350, pH 7.8, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
3.5	64.2

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 90.586	α = 90
b = 90.586	β = 90
c = 213.667	γ = 120

Symmetry
Space Group	P 61 2 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	IMAGE PLATE	MARRESEARCH		2004-08-02	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE BM14	0.9200	ESRF	BM14

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	1.8	25	99.92	0.08	5.34	18.79	48970	48940	6	6	27.08

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	1.8	1.9	100		0.7	0.7	1.05	17	7005

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MAD	THROUGHOUT	1.8	25	46406	46406	2442	99.91	0.17164	0.17023	0.19831	RANDOM	30.36

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]
-1.29	-0.64		-1.29		1.93

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.6
r_dihedral_angle_4_deg	14.139
r_dihedral_angle_3_deg	14.13
r_dihedral_angle_1_deg	6.492
r_scangle_it	2.917
r_mcangle_it	2.671
r_mcbond_it	2.268
r_scbond_it	2.209
r_angle_refined_deg	1.591
r_angle_other_deg	0.785
r_mcbond_other	0.535
r_symmetry_vdw_refined	0.347
r_symmetry_vdw_other	0.31
r_symmetry_hbond_refined	0.255
r_xyhbond_nbd_refined	0.226
r_nbd_refined	0.22
r_nbd_other	0.21
r_nbtor_refined	0.188
r_chiral_restr	0.123
r_nbtor_other	0.093
r_metal_ion_refined	0.037
r_bond_refined_d	0.014
r_gen_planes_refined	0.006
r_bond_other_d	0.001
r_gen_planes_other
r_xyhbond_nbd_other
r_metal_ion_other
r_symmetry_hbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2488
Nucleic Acid Atoms
Solvent Atoms	307
Heterogen Atoms	33

Software

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