4HVK

Crystal structure and functional studies of an unusual L-cysteine desulfurase from Archaeoglobus fulgidus.

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	293	200 mM Calcium acetate; 100 mM Sodium cacodylate; 40% PEG 300 , pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.26	45.56

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 70.06	α = 90
b = 99.27	β = 90
c = 108.86	γ = 90

Symmetry
Space Group	C 2 2 21

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 4		2009-11-05	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-4	0.939	ESRF	ID14-4

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.43	57	98.3			70218	70218

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	1.43	1.47	84.4

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	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1.43	57	70218	65502	3477	98.27	0.1104	0.11042	0.1083	0.15067	RANDOM	16.134

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]
-0.92			1.33		-0.41

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.831
r_sphericity_free	32.553
r_dihedral_angle_4_deg	15.806
r_dihedral_angle_3_deg	11.624
r_sphericity_bonded	10.855
r_rigid_bond_restr	6.996
r_dihedral_angle_1_deg	6.393
r_angle_refined_deg	2.225
r_angle_other_deg	1.172
r_chiral_restr	0.142

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.831
r_sphericity_free	32.553
r_dihedral_angle_4_deg	15.806
r_dihedral_angle_3_deg	11.624
r_sphericity_bonded	10.855
r_rigid_bond_restr	6.996
r_dihedral_angle_1_deg	6.393
r_angle_refined_deg	2.225
r_angle_other_deg	1.172
r_chiral_restr	0.142
r_bond_refined_d	0.023
r_gen_planes_refined	0.012
r_gen_planes_other	0.005
r_bond_other_d	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2794
Nucleic Acid Atoms
Solvent Atoms	379
Heterogen Atoms	101

Software

Software
Software Name	Purpose
ADSC	data collection
PHASER	phasing
REFMAC	refinement
XDS	data reduction
XSCALE	data scaling

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.