3GUZ

Structural and substrate-binding studies of pantothenate synthenate (PS)provide insights into homotropic inhibition by pantoate in PS's

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5	298	10% PEG 4000, 100mM NaCl, 100mM acetate buffer, pH 5.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.38	48.33

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 61.89	α = 90
b = 77.5	β = 90
c = 78.85	γ = 90

Symmetry
Space Group	P 21 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	100	IMAGE PLATE	MAR scanner 345 mm plate	HELIOS	2009-02-10	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	BRUKER AXS MICROSTAR	1.5418

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	1.67	34.78	96.2	0.051	12.8	2.5		43231			20.3

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)
	1.67	1.76	87.5		0.464	2	2.4	5676

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	1.67	30.56	41037	2194	96.43	0.19143	0.18845	0.24575	RANDOM	11.614

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]
0.37			0.34		-0.71

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.807
r_dihedral_angle_4_deg	20.841
r_dihedral_angle_3_deg	15.858
r_sphericity_free	9.224
r_scangle_it	6.277
r_dihedral_angle_1_deg	5.59
r_sphericity_bonded	4.462
r_scbond_it	4.369
r_mcangle_it	2.729
r_rigid_bond_restr	2.68

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.807
r_dihedral_angle_4_deg	20.841
r_dihedral_angle_3_deg	15.858
r_sphericity_free	9.224
r_scangle_it	6.277
r_dihedral_angle_1_deg	5.59
r_sphericity_bonded	4.462
r_scbond_it	4.369
r_mcangle_it	2.729
r_rigid_bond_restr	2.68
r_angle_refined_deg	2.029
r_mcbond_it	1.922
r_chiral_restr	0.138
r_bond_refined_d	0.024
r_gen_planes_refined	0.012

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2628
Nucleic Acid Atoms
Solvent Atoms	251
Heterogen Atoms	30

Software

Software
Software Name	Purpose
MAR345dtb	data collection
PHASER	phasing
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling

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 R01GM157729.