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单词 phosphoenolpyruvate
释义

phosphoenolpyruvaten.

Brit. /ˌfɒsfəʊˌiːnɒlpʌɪˈruːveɪt/, U.S. /ˌfɑsfoʊˌinɔlpaɪˈruˌveɪt/, /ˌfɑsfoʊˌinɔlpəˈruˌveɪt/
Origin: Formed within English, by compounding. Etymons: phospho- comb. form, enol n., pyruvate n.
Etymology: < phospho- comb. form + enol n. + pyruvate n.
Biochemistry.
The anion CH2=C(OPO(OH)2)COO, or a compound containing this, the conversion of which to pyruvate in glycolysis provides a phosphate group for the formation of ATP from ADP. Abbreviated PEP.
ΘΚΠ
the world > matter > chemistry > organic chemistry > salts, esters or anions of organic acids > [noun]
hydrochloride1823
isethionates1838
citraconate1840
adipate1841
anthranilate1841
stearate1841
itaconic acid1842
salicylate1842
oenanthate1845
ammelide1846
pelargonate1848
pelargyl1851
melanuric acid1852
methylate1852
opianyl1852
abietate1853
maleate1853
fulminuric1856
glyoxylate1856
urethane1856
indican1859
oxalyl1859
malonate1862
methacrylate1865
amylate1866
acetoacetate1873
isobutyrate1873
glutamate1876
hydrobromide1877
nicotinate1879
isovalerate1882
calcium gluconate1884
methoxide1885
isophthalate1886
homogentisate1891
naphthenate1899
peracetate1901
iodoacetate1902
glucuronate1904
hydnocarpate1905
thiomalate1905
azide1907
phytate1908
linolenate1909
isocitrate1925
phenylpyruvate1926
monosodium glutamate1929
perester1933
phosphonate1934
polymethacrylate1935
pantothenate1938
phosphoenolpyruvate1941
nylon salt1945
pantoate1945
penicilloate1946
thymidylate1959
chorismate1965
nonanoate1965
neuraminate1970
1939 A. T. Shohl Mineral Metabolism vii. 180 (note) The formation of two new phosphoric esters, (+)-2-phosphoglyceric acid and phospho-enol-pyruvic acid.]
1941 Science 18 July 68/1 The energy-rich phosphate bonds are of the type..represented by such compounds as..phosphoenol-pyruvate.
1956 W. F. H. M. Mommaerts in O. H. Gaebler Enzymes xiv. 319 The system consists..of a hydrolyzing enzyme (actomyosin), a common substrate (ATP), a resynthesizing enzyme (pyruvate kinase), and a reservoir substrate (phosphoenol pyruvate or PEP).
1970 New Scientist 23 Apr. 168/1 The last step in the glycolytic pathway, from phosphoenolpyruvate to pyruvate, is effectively irreversible.
1985 Cambr. Encycl. Life Sci. i. 25/2 Carbon dioxide is first fixed in mesophyll cells near the leaf surface by phospho-enol-pyruvate carboxylase, an enzyme with a high affinity for carbon dioxide.
1992 M. Ingrouille Diversity & Evol. Land Plants 226 Atmospheric carbon dioxide is taken up by an acceptor molecule phosphoenolpyruvate (PEP) to produce malate which is stored in the large vacuoles of succulent tissue cells.
This entry has been updated (OED Third Edition, March 2006; most recently modified version published online March 2022).
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n.1941
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