(2S,3R) -2-Amino-3-hydroxybutanoic acid Cas: 72-19-5 99% Funfun kristali lulú
| Nọmba katalogi | XD90285 |
| Orukọ ọja | (2S,3R) -2-Amino-3-hydroxybutanoic acid |
| CAS | 72-19-5 |
| Ilana molikula | C4H9NO3 |
| Òṣuwọn Molikula | Ọdun 119.11916 |
| Awọn alaye ipamọ | Ibaramu |
| Ti irẹpọ Owo idiyele koodu | 29225000 |
Ọja Specification
| Ayẹwo | 99 - 101% |
| Ifarahan | Funfun okuta lulú |
| Yiyi pato | -27.5 to -29.0 |
| Awọn irin ti o wuwo | 10ppm o pọju. |
| AS | 10ppm o pọju |
| pH | 5.2 - 6.5 |
| SO4 | <0.020% |
| Fe | 10ppm o pọju |
| Isonu lori Gbigbe | <0.20% |
| Aloku lori Iginisonu | <0.10% |
| Gbigbe | NLT 98% |
| Cl | <0.02% |
| Ammonium iyo | <0.02% |
Serine / threonine amuaradagba phosphatases ni a ti ṣe apejuwe ni ọpọlọpọ awọn kokoro arun pathogenic bi awọn enzymu pataki ti o ni ipa ninu awọn ipa ọna gbigbe ifihan agbara-igbẹkẹle phosphorylation ati nigbagbogbo ni nkan ṣe pẹlu virulence ti awọn ohun alumọni wọnyi.Ayewo ti Mycoplasma synoviae genome ṣe afihan wiwa ti jiini kan (prpC) ti n ṣe koodu phosphatase amuaradagba putative ti idile phosphatase amuaradagba 2C (PP2C).Nibi, a jabo kan pipe biokemika karakitariasesonu ti M. synoviae phosphatase (PrpC) ati awọn pato ipa ti irin ions ninu awọn be-iṣẹ ibasepo ti yi henensiamu.Atupalẹ ọkọọkan amino acid PrpC fi han pe gbogbo awọn iṣẹku ti o ni ipa ninu ile-iṣẹ irin dinuclear ati awọn iṣẹku iṣakojọpọ irin ion kẹta, ti a fipamọ sinu awọn phosphatases PP2C, wa ni PrpC.PrpC jẹ amuaradagba monomeric ti o ni anfani lati dephosphorylate phospho-substrates pẹlu igbẹkẹle ions Mn(2+).Iṣiro iduroṣinṣin igbona ṣe afihan iduroṣinṣin henensiamu ni awọn iwọn otutu kekere ati inf luence ti awọn ions Mn(2+) ninu ohun-ini yii.Onínọmbà spectrometry Mass daba pe awọn ions irin mẹta sopọ mọ PrpC, meji ninu eyiti pẹlu igbagbogbo-ibaramọ giga ti o han gbangba.Atupalẹ iyipada ti awọn iṣẹku iṣakojọpọ irin-kẹta putative, Asp122 ati Arg164, fi han pe awọn iyatọ wọnyi ṣe afihan isomọ alailagbara ti awọn ions manganese, ati pe awọn iyipada mejeeji kan iṣẹ ṣiṣe PrpC phosphatase.Gẹgẹbi awọn abajade wọnyi, PrpC jẹ ọmọ ẹgbẹ amuaradagba phosphatase ti o gbẹkẹle irin pẹlu imudara imudara ni fọọmu holo ati pẹlu Asp122, o ṣee ṣe ni ibi-asopọ irin-kẹta, pataki si iṣẹ ṣiṣe catalytic.
