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Merck
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04668

Sigma-Aldrich

O-Phospho-L-homoserine lithium salt

≥95% (TLC)

Sinónimos:

O-Phosphono-L-homoserine lithium salt, L-2-Amino-4-hydroxybutyric acid 4-phosphate lithium salt, L-Homoserine O-phosphate lithium salt, H-Hse(PO3H2)-OH

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About This Item

Fórmula empírica (notación de Hill):
C4H10NO6P · xLi+
Número de CAS:
4210-66-6
Peso molecular:
199.10 (free acid basis)
UNSPSC Code:
12352209
NACRES:
NA.26

Quality Level

100

assay

≥95% (TLC)

form

powder

optical activity

[α]/D -18.0±2.0°, c = 1 in H2O

color

white to off-white

storage temp.

−20°C

InChI

1S/C4H10NO6P/c5-3(4(6)7)1-2-11-12(8,9)10/h3H,1-2,5H2,(H,6,7)(H2,8,9,10)/t3-/m0/s1

InChI key

FXDNYOANAXWZHG-VKHMYHEASA-N

Biochem/physiol Actions

Metabolite in glycine, serine and threonine metabolism. In higher plants, O-phosphohomoserine represents a branch point between the methionine and threonine biosynthetic pathways.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

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Stereochemistry of the hydrogen removal at position 3 in the enzymic synthesis of L-threonine from O-phospho-L-homoserine.
Fuganti, C.
Journal of the Chemical Society. Chemical Communications, 7, 337-339 (1979)
An ATP-independent phosphotransferase in higher plants. The formation of O-phospho-L-homoserine from O-succinyl-L-homoserine and phosphate.
Haginiwa, J., et al.
Chemical & Pharmaceutical Bulletin, 27, 1710-1713 (1979)
D Bartlem et al.
Plant physiology, 123(1), 101-110 (2000-05-12)
In higher plants, O-phosphohomoserine (OPH) represents a branch point between the methionine (Met) and threonine (Thr) biosynthetic pathways. It is believed that the enzymes Thr synthase (TS) and cystathionine gamma-synthase (CGS) actively compete for the OPH substrate for Thr and
O Fiehn et al.
Analytical chemistry, 72(15), 3573-3580 (2000-08-22)
Unknown compounds in polar fractions of Arabidopsis thaliana crude leaf extracts were identified on the basis of calculations of elemental compositions obtained from gas chromatography/low-resolution quadrupole mass spectrometric data. Plant metabolites were methoximated and silylated prior to analysis. All known
Oliver Kreft et al.
Plant physiology, 131(4), 1843-1854 (2003-04-15)
In plants, metabolic pathways leading to methionine (Met) and threonine diverge at the level of their common substrate, O-phosphohomoserine (OPHS). To investigate the regulation of this branch point, we engineered transgenic potato (Solanum tuberosum) plants affected in cystathionine gamma-synthase (CgS)
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