asparagine synthase (glutamine-hydrolysing) EC#: 6.3.5.4; ChemWhat Code: 1383860
| Product Name | asparagine synthase (glutamine-hydrolysing) |
| Example Structure |  |
| Synonyms | AS, AS-A, AS-B, AS1, ASN3, AsnA, ASNase, AsnB, ASNS, AsnS1, AsnS2, AsnS3, AsnS4, asparagine amidotransferase, Asparagine synthetase, Asparagine synthetase (glutamine hydrolyzing), Asparagine synthetase (glutamine), Asparagine synthetase (glutamine-hydrolysing), asparagine synthetase 1, asparagine synthetase 2, Asparagine synthetase A, Asparagine synthetase B, asparagine synthetase, glutamine-dependent, asparagine synthetase1, asparagine synthetase2, At5g10240, bacterial type asparagine synthetase A, CaAS1, glutamine-dependent amidotransferase, Glutamine-dependent asparagine synthetase, HvAS1 protein, HvAS2 protein, HvASN1, HvASN2, HvASN3, HvASN4, HvASN5, L-asparaginase, L-Asparagine synthetase, LDBPK_300470, LiAS-A, MLOC_37219, MLOC_44080, MLOC_63089, MLOC_72774, MLOC_75057, More, NAS2, Os03g0291500, Os06g0265000, OsAS1, OsAS2, PVAS1 protein, PVAS2, Ste10, Synthetase, Asn (glutamine), TaASN1, TaASN2, TaASN4, TaSN1, TaSN2, TS11 cell cycle control protein, type -II asparagine synthetase, type I asparagine synthetase, type II asparagine synthetase |
| EC Number | 6.3.5.4 |
| CAS Registry Number | 37318-72-2 |
| Comments | The enzyme from?Escherichia coli?has two active sites [4] that are connected by an intramolecular ammonia tunnel [6,7]. The enzyme catalyses three distinct chemical reactions: glutamine hydrolysis to yield ammonia takes place in the N-terminal domain. The C-terminal active site mediates both the synthesis of a ¦Â-aspartyl-AMP intermediate and its subsequent reaction with ammonia. The ammonia released is channeled to the other active site to yield asparagine [7]. |
| Cofactor | |
| History | |
| Reactions | Atp + L-aspartate + L-glutamine + H(2)O = amp + diphosphate + L-asparagine + L-glutamate. |
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