5XEO

Crystal structure of a hydrogen sulfide-producing enzyme (Fn1220) from Fusobacterium nucleatum

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	293	41% (v/v) PEG 600, 0.1M Hepes pH 7.5, 0.17M Calcium acetate

Crystal Properties
Matthews coefficient	Solvent content
2.51	51

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 116.822	α = 90
b = 116.822	β = 90
c = 99.186	γ = 90

Symmetry
Space Group	P 43 21 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	95	CCD	ADSC QUANTUM 210r		2009-12-16	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	PHOTON FACTORY BEAMLINE BL-5A	1.0	Photon Factory	BL-5A

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	2.03	63.5	99.9	0.061	42.9	26.3		44852

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	2.03	2.08	100		0.239	17.2	25.2

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	2.03	63.5	42237	2252	99.14	0.17041	0.16816	0.21259	RANDOM	26.537

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]
-0.15			-0.15		0.3

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.051
r_dihedral_angle_4_deg	21.076
r_dihedral_angle_3_deg	14.2
r_dihedral_angle_1_deg	5.702
r_long_range_B_refined	5.668
r_long_range_B_other	5.582
r_scangle_other	3.84
r_mcangle_it	2.745
r_mcangle_other	2.744
r_scbond_it	2.442
r_scbond_other	2.441
r_mcbond_it	1.827
r_mcbond_other	1.821
r_angle_refined_deg	1.551
r_angle_other_deg	0.979
r_chiral_restr	0.091
r_bond_refined_d	0.012
r_gen_planes_refined	0.006
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	4553
Nucleic Acid Atoms
Solvent Atoms	312
Heterogen Atoms	77

Software

Software
Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling
MOLREP	phasing