(2S,3R) -2-Amino-3-hydroxybutanoic acid Cas: 72-19-5 99% Keokeo crystalline pauda
| Helu Helu | XD90285 |
| inoa mea kūʻai | (2S,3R)-2-Amino-3-hydroxybutanoic acid |
| CAS | 72-19-5 |
| ʻĀpana Molekala | C4H9NO3 |
| Kaumaha Molecular | 119.11916 |
| Nā kikoʻī mālama | Ambient |
| Kānāwai Kūʻai Kūlike | 29225000 |
Huahana Huahana
| Hoʻāʻo | 99 - 101% |
| Ka nana aku | ʻO ka pauka kristal keʻokeʻo |
| Kahuli kiko'ī | -27.5 a i -29.0 |
| Nā metala kaumaha | 10ppm Max. |
| AS | 10ppm max |
| pH | 5.2 - 6.5 |
| SO4 | <0.020% |
| Fe | 10ppm max |
| Nalo ma ka maloo | <0.20% |
| Koena ma ka Ignition | <0.10% |
| Ka lawe ʻana | NLT 98% |
| Cl | <0.02% |
| ʻO ka paʻakai Ammonium | <0.02% |
ʻO Serine/threonine protein phosphatases i wehewehe ʻia i loko o nā bacteria pathogenic he mau enzyme koʻikoʻi e pili ana i nā ala transduction hōʻailona pili i ka phosphorylation a pili pinepine me ka virulence o kēia mau meaola.ʻO ka nānā ʻana i ka Mycoplasma synoviae genome i hōʻike ʻia i ka hele ʻana o kahi gene (prpC) e hoʻopili ana i kahi phosphatase protein putative o ka pūmua phosphatase 2C (PP2C) subfamily.Maʻaneʻi, hōʻike mākou i kahi hōʻike biochemical piha o M. synoviae phosphatase (PrpC) a me ke kuleana kūikawā o nā ion metala i ka pilina hana-hana o kēia enzyme.PrpC amino acid sequence analysis i hōʻike ʻia ʻo nā koena a pau i komo i loko o ke kikowaena metala dinuclear a me ke kolu o nā koena ion-coordinating koena, mālama ʻia ma PP2C phosphatases, aia ma PrpC.ʻO ka PrpC kahi pūmua monomeric hiki ke hoʻopau i nā phospho-substrates me ka hilinaʻi Mn(2+).Ua hōʻike ʻia ka hoʻopaʻa haʻahaʻa wela i ka paʻa ʻana o ka enzyme ma nā wela haʻahaʻa a me ka hopena o nā ion Mn(2+) i kēia waiwai.Manaʻo ʻia ka nānā ʻana o ka spectrometry e hoʻopaʻa ʻia ʻekolu ion metala i ka PrpC, ʻelua o ia mau mea me ka ʻike mau o ka pilina kiʻekiʻe.Ua hōʻike ʻia ka hoʻohālikelike ʻana o nā koena hoʻohui metala ʻekolu, Asp122 a me Arg164, ua hōʻike kēia mau ʻokoʻa i kahi nāwaliwali nāwaliwali o nā ion manganese, a ua pili nā mutations ʻelua i ka hana PrpC phosphatase.Wahi a kēia mau hopena, ʻo PrpC kahi lālā o ka protein phosphatase pili metala me ka hoʻomaikaʻi ʻana i ke kūpaʻa ma ke ʻano holo a me Asp122, i hoʻopili ʻia paha i ke kolu o ka pūnaewele hoʻopaʻa metala, pono i ka hana catalytic.
