4YWJ

Crystal structure of 4-hydroxy-tetrahydrodipicolinate reductase (HTPA reductase) from Pseudomonas aeruginosa

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1ARZ

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8.5	290	Morpheus D9: 20mM of each: 1,6-Hexanediol; 1-Butanol, 1,2-Propanediol (racemic); 2-Propanol; 1,4-Butanediol; 1,3-Propanediol; 100mM Tris Base / Bicine pH 8.5, 30% each PEG 550MME, PEG 20000; PsaeA.00820.a.B1.PW37541 at 22.65 mg/ml; cryo: direct; tray 259740d90, puck hxm4-4

Crystal Properties
Matthews coefficient	Solvent content
2.91	58

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 93.01	α = 90
b = 101.5	β = 90
c = 144.51	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	RAYONIX MX-300		2014-02-25	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 21-ID-G	0.978560	APS	21-ID-G

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	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	1.8	50	99.4	0.048	0.053	18.11	5		63326		-3	24.1

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.8	1.85	100		0.517	0.578	2.9	5.2

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	MOLECULAR REPLACEMENT	FREE R-VALUE	1ARZ	1.8	34.287	1.34	62927	3153	99.1	0.1694	0.1677	0.2006	Random selection	36.7854

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	15.896
f_angle_d	0.991
f_chiral_restr	0.048
f_bond_d	0.007
f_plane_restr	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3872
Nucleic Acid Atoms
Solvent Atoms	356
Heterogen Atoms	121

Software

Software
Software Name	Purpose
XDS	data reduction
PHASER	phasing
ARP	model building
Coot	model building
PHENIX	refinement
PDB_EXTRACT	data extraction
XSCALE	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.