6F3N

Crystal structure of S-adenosyl-L-homocysteine hydrolase from Pseudomonas aeruginosa cocrystallized with SAH in the presence of K+ and Zn2+ cations

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP		292	50 mM KH2PO4, 20% (w/v) PEG8000, 1 mM S-adenosyl-L-homocysteine

Crystal Properties
Matthews coefficient	Solvent content
2.24	45

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 170.585	α = 90
b = 99.275	β = 101.9
c = 111.721	γ = 90

Symmetry
Space Group	C 1 2 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	RAYONIX MX-225		2014-12-06	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	BESSY BEAMLINE 14.3	0.8950	BESSY	14.3

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	1.85	25	98.3	0.082	10.2	2.2		152489		-3

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.85	1.92

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	1.85	24.82	150603	1485	97.89	0.15136	0.15111	0.17648	RANDOM	20.83

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]
-0.31		-0.17	0.04		0.31

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.654
r_dihedral_angle_4_deg	14.142
r_dihedral_angle_3_deg	12.851
r_dihedral_angle_1_deg	6.326
r_long_range_B_refined	3.778
r_long_range_B_other	3.555
r_angle_refined_deg	1.599
r_scangle_other	1.273
r_angle_other_deg	0.962
r_mcangle_it	0.889
r_mcangle_other	0.889
r_scbond_it	0.806
r_scbond_other	0.806
r_mcbond_other	0.566
r_mcbond_it	0.565
r_chiral_restr	0.093
r_bond_refined_d	0.014
r_gen_planes_refined	0.007
r_bond_other_d	0.002
r_gen_planes_other	0.002
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	14196
Nucleic Acid Atoms
Solvent Atoms	1611
Heterogen Atoms	286

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-3000	data reduction
HKL-3000	data scaling
PHASER	phasing
ARP/wARP	model building