| threonine-trna ligase | <enzyme> An enzyme that activates threonine with its specific transfer RNA. Chemical name: L-Threonine:tRNA(Thr) ligase (AMP-forming) Registry number: EC 6.1.1.3 (12 Dec 1998) |
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| tRNA excision ligase | <enzyme> Processes pre-trna-tyr into mature trna-tyr Registry number: EC 6.5.1.- (26 Jun 1999) |
| tRNA splicing ligase | <enzyme> One of two enzymes involved in trna splicing in archaea Registry number: EC 6.5.1.- (26 Jun 1999) |
| tryptophan-trna ligase | <enzyme> An enzyme that activates tryptophan with its specific transfer RNA. Chemical name: L-Tryptophan:tRNA(Trp) ligase (AMP-forming) Registry number: EC 6.1.1.2 (12 Dec 1998) |
| tubulin-tyrosine ligase | <enzyme> An enzyme that covalently links a tyrosine to the C-terminal glutamyl residue of tubulin, coupled with the hydrolysis of ATP to ADP and Pi; this is a unique posttranslational modification that may have a significant role in cytoskeletal traffic and design. (05 Mar 2000) |
| tyrosine-trna ligase | <enzyme> An enzyme that activates tyrosine with its specific transfer RNA. Chemical name: L-Tyrosine:tRNA-(Tyr) ligase (AMP-forming) Registry number: EC 6.1.1.1 (12 Dec 1998) |
| tyrosyltubulin ligase | <enzyme> Catalyses reversible, post-translational addition of tyrosine, phenylalanine or dopa to carboxyl terminal of alpha-chain of tubulin Registry number: EC 6.3.2.- Synonym: tubulin-tyrosine ligase, tyrosyl tubulin ligase (26 Jun 1999) |
| ubiquitin-calmodulin ligase | <enzyme> Covalentyl links ubiquitin to bovine calmodulin in an ATP-dependent manner Registry number: EC 6.3.2.21 Synonym: ubiquityl-calmodulin synthetase (26 Jun 1999) |
| ubiquitin-protein ligase | <enzyme> Consists of 3 enzymes; e1 is ubiquitin activating enzyme; e2 transfers activated ubiquitin as an enzyme-ubiquitin thiol ester to e3, which transfers ubiquitin to an intracellular protein; e1 forms both an enzyme-bound cooh-terminal ubiquitin thiolester and a cooh-terminal ubiquitin-adenylatte; ube1y is putative y function in spermatogonial proliferation; ube1x and ube1y encode the e1 enzyme Registry number: EC 6.3.2.19 Synonym: ubiquitin-protein ligase system, ubiquitin-protein-lysine n-omega-ligase, ubiquitin-activating enzyme, ubiquitin-activating enzyme e1, ubiquitination activating enzyme e1, ube1 gene product, rsp5 ubiquitin-protein ligase, npi1 protein, ube1y gene product, ube1x gene product, ikappab-ubiquitin ligase (26 Jun 1999) |
| UDP-N-acetylmuramoylalanine-D-glutamate ligase | <enzyme> From E coli; catalyses the synthesis of udp-n-acetylmuramoyl-l-alanyl-d-glutamate from ATP and udp-n-acetylmuramoyl-l-alanine and d-glutamate Registry number: EC 6.3.2.9 Synonym: d-glu-adding enzyme, d-glutamic acid adding enzyme, murd gene product (26 Jun 1999) |
| UDP-N-acetylmuramoylalanyl-glutamyl-2,6-diaminopimelate-alanyl-alanine ligase | <enzyme> Reaction: ATP + udp-n-acetylmuramoyl-l-ala-d-glu-2,6 -diaminoheptanedioate d-ala-d-ala = ADP + orthophosphate + udp-n-acetylmuramoyl-l-ala-d-glu-6-carboxy-l-lys-d-ala-d-ala; 454 amino acids, mw 48 kD; from bacteria; final step in synthesis of udp-n-acetylmuramoyl pentapeptide; genbank x62437 Registry number: EC 6.3.2.15 Synonym: udp-n-acetylmuramoyl-alanyl-d-glutamyl-meso-2,6-diaminopimeloyl-d-alanyl-d-alanine synthetase, murf gene product, udp-n-acetylmuramoyl-l-ala-glu-meso-2,6-diaminopimeloyl-ala-ala synthetase (26 Jun 1999) |
| 2,3-dihydroxybenzoate-AMP ligase | <enzyme> Catalyses the conversion of 2,3-dihydroxybenzoate and ATP to form (2,3-dihydroxybenzoyl)adenylate, this acyladenylate remains bound to the enzyme for further reactions in the overall biosynthesis of enterobactin Registry number: EC 6.5.- Synonym: 2,3dhb-AMP ligase, ente gene product (26 Jun 1999) |
| 2,3-dihydroxybenzoate - serine ligase | <enzyme> From E coli; ATP and 2,3-dihydroxybenzoate and serine yields the products of ATP breakdown and n-(2,3-dihydroxybenzoyl)-l-serine; involved in biosynthesis of enterobactin Registry number: EC 6.3.2.14 Synonym: enterochelin synthetase, entf gene product, 2,3-dihydroxybenzoylserine synthetase (26 Jun 1999) |
| 2-aminobenzoate coenzyme A ligase | <enzyme> From a denitrifying pseudomonas sp.; catalyses the formation of CoA thioester of 2-aminobenzoate with the formation of AMP and pyrophosphate from ATP Registry number: EC 6.2.1.- Synonym: 2-ab CoA ligase (26 Jun 1999) |
| 3-hydroxypicolinic acid-AMP ligase | <enzyme> From cell extracts of streptomyces pristinaespiralis; activates the first pristinamycin 1 residue 3-hydroxypicolinic acid; shows 58% nh2-terminal amino acid sequence identity with s. Griseoviridus 3-hpa-activating enzyme; amino acid sequence given in first source (page 709) Registry number: EC 6.3.2.- Synonym: pi synthetase 1, snba protein, pristinamycin I synthetase 1,3-hpa-AMP ligase (26 Jun 1999) |
| ligase |
an enzyme that attaches DNA molecules to each other at broken or cut ends.
출처: www.science.psu.edu/alert/frontiers/Glossary1-2001...
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| ligase |
This is an enzyme (note the "-ase" ending) which can connect a DNA backbone. We rely on the sticky ends left from restriction enzyme cuts to line two pieces of DNA up, but the ligase is necessary to form the covalent bonds which form the sugar-phosphate backbone.
출처: www.acad.carleton.edu/curricular/BIOL/classes/bio1...
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| ligase |
An enzyme used to join DNA or RNA segments together. Linkage The tendency for certain genes to be inherited together due to their physical proximity on the chromosome. Linker A fragment of DNA with a restriction site that can be used to join DNA strands. Lipoproteins A class of serum proteins that transport lipids and cholesterol in the bloodstream. Abnormalities in lipoprotein metabolism have been implicated in certain heart diseases. ...
출처: www.biotechinstitute.org/what_is/glossary.html
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