| poly-beta-hydroxybutyrate | <biochemistry> A common storage material of prokaryotic cells consisting of a polymer of beta-hydroxybutyrate (PHB) or other beta-alkanoic acids (PHA). (09 Oct 1997) |
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| poly-beta-hydroxybutyrate polymerase | <enzyme> 3rd enzyme of the poly-beta-hydroxybutyrate biosynthetic pathway in alcaligens eutrophus; acts via, an acyl s-enzyme intermediate Registry number: EC 2.3.1.- Synonym: phb polymerase, phb synthase, phac gene product, poly-beta-hydroxybutyrate synthetase (26 Jun 1999) |
| poly c | <chemical> A group of cytosine ribonucleotides in which the phosphate residues of each cytosine ribonucleotide act as bridges in forming diester linkages between the ribose moieties. Chemical name: 5'-Cytidylic acid, homopolymer (12 Dec 1998) |
| poly da-dt | <chemical> Polydeoxyribonucleotides made up of deoxyadenine nucleotides and thymine nucleotides. Present in DNA preparations isolated from crab species. Synthetic preparations have been used extensively in the study of DNA. Chemical name: 5'-Adenylic acid, thymidylyl-(5'-3')-2'-deoxy-, homopolymer (12 Dec 1998) |
| poly g | <chemical> A group of guanine ribonucleotides in which the phosphate residues of each guanine ribonucleotide act as bridges in forming diester linkages between the ribose moieties. Chemical name: 5'-Guanylic acid, homopolymer (12 Dec 1998) |
| poly(gamma-glutamic acid) | A polypeptide formed of glutamic acid residues, the gamma-carboxyl group of one glutamic acid being condensed to the amino group of its neighbor; occurs naturally in the anthrax bacillus capsule. (05 Mar 2000) |
| poly(glycolic acid) | A polymer of glycolic acid, used in absorbable surgical sutures. Origin: see poly- (05 Mar 2000) |
| poly I | A group of inosine ribonucleotides in which the phosphate residues of each inosine ribonucleotide act as bridges in forming diester linkages between the ribose moieties. (12 Dec 1998) |
| poly I-c | <chemical> Interferon inducer consisting of a synthetic, mismatched double-stranded RNA. The polymer is made of one strand each of polyinosinic acid and polycytidylic acid. Pharmacological action: antiviral agents, interferon inducers. Chemical name: 5'-Inosinic acid, homopolymer, complex with 5'-cytidylic acid homopolymer (1:1) (12 Dec 1998) |
| poly-mountain | <botany> Same as Poly. The closely related Teucrium montanum, formerly called Polium montanum, a plant of Southern Europe. The Bartsia alpina, a low purple-flowered herb of Europe. Source: Websters Dictionary (01 Mar 1998) |
| poly(N-acetylgalactosamine) deacetylase | <enzyme> Catalyses the hydrolyses of acetamido groups of poly(galnac); from a. Parasiticus Registry number: EC 3.5.1.- Synonym: poly(galnac) deacetylase (26 Jun 1999) |
| poly polymerase | <enzyme> An enzyme that catalyses the addition of adenine residues to the 3' end of pre-messenger RNAs to form the poly(A) tail. (09 Oct 1997) |
| poly t | <chemical> A group of thymine nucleotides in which the phosphate residues of each thymine nucleotide act as bridges in forming diester linkages between the deoxyribose moieties. Chemical name: 5'-Thymidylic acid, homopolymer (12 Dec 1998) |
| poly u | <chemical> A group of uridine ribonucleotides in which the phosphate residues of each uridine ribonucleotide act as bridges in forming diester linkages between the ribose moieties. Chemical name: 5'-Uridylic acid, homopolymer (12 Dec 1998) |
| poly(u) | <abbreviation> Poly(uridylic acid). (05 Mar 2000) |