| peptide receptor | Specific receptor for peptide neurotransmitters. (18 Nov 1997) |
|---|---|
| peptide synthases | <enzyme> Enzymes that catalyze the joining of an acid and an amino acid by the formation of a carbon-nitrogen bond. Registry number: EC 6.3.2. (12 Dec 1998) |
| peptide synthetase | Any enzyme that catalyses the synthesis of peptide bonds, with the hydrolysis of a nucleoside triphosphate. (05 Mar 2000) |
| peptide t | <chemical> N-(n-(n(2)-(n-(n-(n-(n-d-alanyl l-seryl)-l-threonyl)-l-threonyl) l-threonyl)-l-asparaginyl)-l-tyrosyl) l-threonine. Octapeptide sharing sequence homology with HIV envelope protein gp120. It is potentially useful as antiviral agent in aids therapy. The core pentapeptide sequence, ttnyt, consisting of amino acids 4-8 in peptide t, is the HIV envelope sequence required for attachment to the CD4 receptor. Chemical name: L-Threonine, N-(N-(N2-(N-(N-(N-(N-D-alanyl-L-seryl)-L-threonyl)-L-threonyl)-L-threonyl)-L-asparaginyl)-L-tyrosyl)- (12 Dec 1998) |
| peptide termination factors | Proteins that are exclusively involved in the termination reactions of protein synthesis on the ribosome. (12 Dec 1998) |
| peptide yy | A 36-amino acid peptide produced by the l cells of the distal small intestine and colon. Peptide yy inhibits gastric and pancreatic secretion. (12 Dec 1998) |
| peptide-tryptophan 2,3-dioxygenase | <enzyme> Catalyses the oxidation of peptide tryptophan to form peptide formylkynurenine Registry number: EC 1.13.11.26 Synonym: tryptophan pyrrolooxygenase (26 Jun 1999) |
| peptidergic | Referring to nerve cells or fibres that are believed to employ small peptide molecules as their neurotransmitter. Origin: peptide + G. Ergon, work (05 Mar 2000) |
| peptides | Any member of a class of compounds of low molecular weight which yield two or more amino acids on hydrolysis. Formed by loss of water from the nh2 and cooh groups of adjacent amino acids, they are known as di-, tri-, tetra- (etc.) peptides, depending on the number of amino acids in the molecule. Peptides form the constituent parts of proteins. (12 Dec 1998) |
| peptidoglycan | Cross linked polysaccharide peptide complex of indefinite size found in the inner cell wall of all bacteria (50% of the wall in gram-negative, 10% in gram-positive). Consists of chains of approximately 20 residues of _(1-4) linked N acetyl glucosamine and N acetyl muramic acid cross linked by small peptides (4-10 residues). (18 Nov 1997) |
| peptidoglycan synthetase | <chemical> Contains peptidoglycan transglycosylase and peptidoglycan transpeptidase; see also record for penicillin-binding protein; until 3/5/84 pbp 1a, 2, 3 were synonyms to penicillin-binding protein; pbpc encodes penicillin-binding protein 3 Chemical name: synthetase, peptidoglycan Synonym: pbp-1b, penicillin binding protein 1bs, penicillin-binding protein 1a, penicillin-binding protein 1b, penicillin-binding protein 2, penicillin-binding protein 3, penicillin-binding protein 1b gamma, pbp1a gene product, pona gene product, ftsi gene product, pbpc gene product, pbp3x protein (26 Jun 1999) |
| peptidoid | A condensation product of two amino acids involving at least one condensing group other than the alpha-carboxyl or alpha-amino group; e.g., glutathione. (05 Mar 2000) |
| peptidolytic | Causing the cleavage or digestion of peptides. Origin: peptide + G. Lytikos, solvent (05 Mar 2000) |
| peptidyl leukotrienes | Leukotrienes having amino acids present (even single amino acids) although not true peptides; e.g., LTC4 is an S-substituted glutathione, LTD4 is an S-substituted cysteinylglycine, LTE4 is an S-substituted cysteine, and LTF4 (also known as gamma-glutamyl-LTE4) is an S-substituted gamma-glutamylcysteine. (05 Mar 2000) |
| peptidyl prolyl cis trans isomerase | See: PPIase and immunophilin. (18 Nov 1997) |
Synonyms : NSP 100, NSP100, 100, NSP, EF 2
Synonyms : EF G
Synonyms : Chloroplast Elongation Factor Tu, EF-Tu, Protein Synthesis Elongation Factor Tu, eEF-Tu, EF Tu, Factor Tu, Elongation, eEF Tu
Synonyms : Elongation Factor, Elongation Factors, Peptide, Factor, Elongation, Factors, Peptide Elongation
Synonyms : Fragments, Peptide
| peptide |
(pep
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| peptidoglycan |
(pep
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| peptization |
(pep
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| Peptococcaceae |
(Pep
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| Peptococcus |
(Pep
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