6FTT

ATP phosphoribosyltransferase (HisZG ATPPRT) from Psychrobacter arcticus in complex with PRPP

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8.5	277	8mg mL-1 protein (in 20mM Tris pH7, 50mM KCl, 10mM MgCl2, 2mM DTT, 0.5mM histidine) mixed in 1:1 ratio with precipitant solution (11% PEG3350, 100mM bicine pH8.5, 150mM SrCl2, 150mM KBr, 2% 1,6-hexanediol)

Crystal Properties
Matthews coefficient	Solvent content
2.44	49.63

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 93.77	α = 90
b = 147.79	β = 103.05
c = 98.94	γ = 90

Symmetry
Space Group	P 1 21 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	PIXEL	DECTRIS PILATUS3 6M		2017-04-27	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I24	0.9686	Diamond	I24

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	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	2.29	77.7	99.8	0.096	0.111	0.053	0.997	10.8	4.1		117580			43.3

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.29	2.35	99.9		0.886	1.015	0.491	0.557	1.7	4.2

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	5M8H	2.29	77.7	111734	5813	99.76	0.1953	0.1931	0.2375	RANDOM	51.058

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]
0.4		0.69	-1.29		0.52

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.759
r_dihedral_angle_4_deg	14.863
r_dihedral_angle_3_deg	12.8
r_dihedral_angle_1_deg	5.899
r_angle_refined_deg	1.235
r_angle_other_deg	0.886
r_chiral_restr	0.065
r_bond_refined_d	0.007
r_gen_planes_refined	0.004
r_bond_other_d	0.001

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.759
r_dihedral_angle_4_deg	14.863
r_dihedral_angle_3_deg	12.8
r_dihedral_angle_1_deg	5.899
r_angle_refined_deg	1.235
r_angle_other_deg	0.886
r_chiral_restr	0.065
r_bond_refined_d	0.007
r_gen_planes_refined	0.004
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	18224
Nucleic Acid Atoms
Solvent Atoms	532
Heterogen Atoms	104

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
Aimless	data scaling
MOLREP	phasing
PDB_EXTRACT	data extraction

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.