proteo-comb. form

Stress is usually determined by a subsequent element and vowels may be reduced accordingly.

Origin: Formed within English, by compounding. Etymons: protein n., -o- connective.

Etymology: < prote- (in protein n.) + -o- connective.Attested in a small number of English formations from the second half of the 19th cent. (apparently earliest in proteolytic adj.). Compare French protéo- (formations in which are found from the 19th cent.).

Biochemistry.

Of or relating to protein.

proteoclastic adj.

Brit.

/ˌprəʊtɪə(ʊ)ˈklastɪk/

U.S.

/ˌproʊdiəˈklæstɪk/

/ˌproʊdioʊˈklæstɪk/

now rare = proteolytic adj.

ΚΠ

1904 Proc. Royal Soc. 73 540 The presence of proteoclastic enzymes in the expressed fluid may be a cause of the decay of the fermentative activity.

1959 W. Andrew Textbk. Compar. Histol. v. 195 The granular amoebocytes or granulocytes of the oyster carry out intracellular digestion by means of sucroclastic, lipoclastic, and proteoclastic enzymes.

2005 Internal Med. 44 886 Proteoclastic enzyme inhibitor treatment was ineffective but the patient responded well to oral prednisolone.

proteoglycan n.

Brit.

/ˌprəʊtɪə(ʊ)ˈɡlʌɪkan/

U.S.

/ˌproʊdioʊˈɡlaɪˌkæn/

/ˌproʊdiəˈɡlaɪˌkæn/

any of a group of compounds (some of which occur in mucus and other body fluids) whose molecules consist of a protein bonded to one or more mucopolysaccharide chains; a mucoprotein, esp. one whose molecule consists primarily of polysaccharide.

ΘΚΠ

the world > matter > chemistry > organic chemistry > carbohydrates > sugars > polysaccharides > [adjective] > polysaccharide complexes

proteoglycan1967

1967 Biochimica & Biophysica Acta 148 165 As compared with other proteins the proteoglycans contain a large number of negatively-charged groups.

1969 Hascall & Sajdera in Jrnl. Biol. Chem. 244 2384/2 The term ‘proteoglycan’ is used to describe macromolecules which consist primarily of polysaccharide which is presumed to be bound covalently to the small amount of protein present. ‘Glycoprotein’ is used to indicate a macromolecule which is primarily protein, but which contains covalently bound saccharide.

1974 Sci. Amer. May 67/1 The wet surfactants on the ocean, which are known to be glycoproteins and proteoglycans, are reasonably good carriers of phosphate, of various organic molecules, of the scarcer ions of seawater and of heavy metals.

1991 D. J. Weatherall New Genetics & Clin. Pract. (ed. 3) vi. 160 The major elements of cartilage are type II collagen, chondroitin sulphate, proteoglycan, link protein, and hyaluronic acid.

proteolipid n.

Brit.

/ˌprəʊtɪə(ʊ)ˈlɪpɪd/

U.S.

/ˌproʊdioʊˈlɪpᵻd/

/ˌproʊdiəˈlɪpᵻd/

(also proteolipide) a complex that contains protein and lipid moieties and occurs esp. in cell membranes, distinguished from lipoproteins by being soluble in some organic solvents but not in water; cf. lipoprotein n. at lipo- comb. form¹ .

ΚΠ

1950 Folch & Lees in Federation Proc. (Federation Amer. Soc. Exper. Biol.) 9 171/2 (heading) Brain proteolipides, a new group of protein-lipide substances soluble in organic solvents and insoluble in water.

1971 L. W. Burley in A. R. Johnson & J. B. Davenport Biochem. Lipids iv. 86 ‘Proteolipids’..differ from lipoproteins in being soluble in certain organic solvents but insoluble in aqueous solutions.

1990 Nucleic Acids Res. 18 370/1 We have cloned and sequenced the F₀-atpase proteolipid (atp9) gene from rice mitochondrial DNA.

This entry has been updated (OED Third Edition, June 2007; most recently modified version published online March 2022).

单词	proteo-
释义	proteo-comb. form Stress is usually determined by a subsequent element and vowels may be reduced accordingly. Origin: Formed within English, by compounding. Etymons: protein n., -o- connective. Etymology: < prote- (in protein n.) + -o- connective.Attested in a small number of English formations from the second half of the 19th cent. (apparently earliest in proteolytic adj.). Compare French protéo- (formations in which are found from the 19th cent.). Biochemistry. Of or relating to protein. proteoclastic adj. Brit. /ˌprəʊtɪə(ʊ)ˈklastɪk/ , U.S. /ˌproʊdiəˈklæstɪk/ , /ˌproʊdioʊˈklæstɪk/ now rare = proteolytic adj. ΚΠ 1904 Proc. Royal Soc. 73 540 The presence of proteoclastic enzymes in the expressed fluid may be a cause of the decay of the fermentative activity. 1959 W. Andrew Textbk. Compar. Histol. v. 195 The granular amoebocytes or granulocytes of the oyster carry out intracellular digestion by means of sucroclastic, lipoclastic, and proteoclastic enzymes. 2005 Internal Med. 44 886 Proteoclastic enzyme inhibitor treatment was ineffective but the patient responded well to oral prednisolone. proteoglycan n. Brit. /ˌprəʊtɪə(ʊ)ˈɡlʌɪkan/ , U.S. /ˌproʊdioʊˈɡlaɪˌkæn/ , /ˌproʊdiəˈɡlaɪˌkæn/ any of a group of compounds (some of which occur in mucus and other body fluids) whose molecules consist of a protein bonded to one or more mucopolysaccharide chains; a mucoprotein, esp. one whose molecule consists primarily of polysaccharide. ΘΚΠ the world > matter > chemistry > organic chemistry > carbohydrates > sugars > polysaccharides > [adjective] > polysaccharide complexes proteoglycan1967 1967 Biochimica & Biophysica Acta 148 165 As compared with other proteins the proteoglycans contain a large number of negatively-charged groups. 1969 Hascall & Sajdera in Jrnl. Biol. Chem. 244 2384/2 The term ‘proteoglycan’ is used to describe macromolecules which consist primarily of polysaccharide which is presumed to be bound covalently to the small amount of protein present. ‘Glycoprotein’ is used to indicate a macromolecule which is primarily protein, but which contains covalently bound saccharide. 1974 Sci. Amer. May 67/1 The wet surfactants on the ocean, which are known to be glycoproteins and proteoglycans, are reasonably good carriers of phosphate, of various organic molecules, of the scarcer ions of seawater and of heavy metals. 1991 D. J. Weatherall New Genetics & Clin. Pract. (ed. 3) vi. 160 The major elements of cartilage are type II collagen, chondroitin sulphate, proteoglycan, link protein, and hyaluronic acid. proteolipid n. Brit. /ˌprəʊtɪə(ʊ)ˈlɪpɪd/ , U.S. /ˌproʊdioʊˈlɪpᵻd/ , /ˌproʊdiəˈlɪpᵻd/ (also proteolipide) a complex that contains protein and lipid moieties and occurs esp. in cell membranes, distinguished from lipoproteins by being soluble in some organic solvents but not in water; cf. lipoprotein n. at lipo- comb. form¹ . ΚΠ 1950 Folch & Lees in Federation Proc. (Federation Amer. Soc. Exper. Biol.) 9 171/2 (heading) Brain proteolipides, a new group of protein-lipide substances soluble in organic solvents and insoluble in water. 1971 L. W. Burley in A. R. Johnson & J. B. Davenport Biochem. Lipids iv. 86 ‘Proteolipids’..differ from lipoproteins in being soluble in certain organic solvents but insoluble in aqueous solutions. 1990 Nucleic Acids Res. 18 370/1 We have cloned and sequenced the F₀-atpase proteolipid (atp9) gene from rice mitochondrial DNA. This entry has been updated (OED Third Edition, June 2007; most recently modified version published online March 2022). < comb. form1904
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