8GSK

Crystal Structure of S302G single mutant of O-acetyl-L-serine sulfhydrylase from Haemophilus influenzae at 2.2 A

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.5	293	0.1 M HEPES, 1.3 M Sodium Citrate

Crystal Properties
Matthews coefficient	Solvent content
2.17	43.38

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 112.6	α = 90
b = 112.6	β = 90
c = 45.73	γ = 90

Symmetry
Space Group	I 41

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	MAR scanner 345 mm plate		2014-09-04	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU	1.54179

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	CC (Half)	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	2.271	42.37	96.02	0.788	44.88	14.4		12952

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.271	2.352			0.745

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	1Y7L	2.271	42.37	12916	625	96.023	0.225	0.2225	0.2664	32.709

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]
-2.295			-2.295		4.59

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.991
r_dihedral_angle_4_deg	21.385
r_dihedral_angle_3_deg	17.441
r_dihedral_angle_1_deg	7.026
r_lrange_it	5.939
r_scangle_it	3.701
r_mcangle_it	3.392
r_scbond_it	2.536
r_mcbond_it	2.2
r_angle_refined_deg	1.565

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.991
r_dihedral_angle_4_deg	21.385
r_dihedral_angle_3_deg	17.441
r_dihedral_angle_1_deg	7.026
r_lrange_it	5.939
r_scangle_it	3.701
r_mcangle_it	3.392
r_scbond_it	2.536
r_mcbond_it	2.2
r_angle_refined_deg	1.565
r_nbtor_refined	0.301
r_nbd_refined	0.229
r_symmetry_nbd_refined	0.204
r_symmetry_xyhbond_nbd_refined	0.19
r_xyhbond_nbd_refined	0.187
r_chiral_restr	0.119
r_gen_planes_refined	0.007
r_bond_refined_d	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2270
Nucleic Acid Atoms
Solvent Atoms	5
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling
PHASER	phasing

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), 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.