7T7J

Crystal Structure of Phosphoserine aminotransferase from Klebsiella pneumoniae subsp. pneumoniae in complex with Pyridoxal phosphate

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8.7	287	Optimization condition around Anatrace/Calibre MCSG1 screen D9: 100mM Tris Base/HCl pH 8.7, 28% PEG 3350, 200mM NaCl: KlpnC.00980.a.B1.PW39015 at 27mg/ml + 3.5mM PLP: tray 323619 g9: cryo: 20% EG+ 2.5mM PLP in 2 steps, puck: bid6-5.

Crystal Properties
Matthews coefficient	Solvent content
2.31	46.8

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 55.21	α = 90
b = 80.66	β = 104.065
c = 86.82	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	CCD	RIGAKU SATURN 944+	Beryllium Lenses	2021-11-24	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU FR-E+ SUPERBRIGHT	1.5418

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim 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	1.5	50	99.6	0.032	0.033	1	53.85	16.407		117524			21.155

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.5	1.54	96.4		0.443	0.47	0.924	4.66	8.359

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	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	SAD	FREE R-VALUE	1.5	44.62	1.35	117496	2021	99.61	0.129	0.1284	0.1602	0	18.63

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]

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	11.5806
f_angle_d	0.9361
f_chiral_restr	0.0567
f_bond_d	0.0085
f_plane_restr	0.0077

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5522
Nucleic Acid Atoms
Solvent Atoms	1003
Heterogen Atoms	32

Software

Software
Software Name	Purpose
PHENIX	refinement
XDS	data reduction
XSCALE	data scaling
PDB_EXTRACT	data extraction
SHELXDE	phasing
Coot	model building
SHELXE	model building

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.