Soo-saare TianJia Cunnada Ku-darka PROLINE
Proline (oo loo soo gaabiyo Pro ama P), oo leh qaacidada kiimikada C5H9NO2 iyo miisaanka kelli ee 115.13, waa amino acid ka hooseeya meerto.α- Amino acids, dhexdhexaad ah, oo leh barta isoelectric ee 6.30, waxay leeyihiin milmayn ka weyn biyaha marka loo eego amino acid kasta, waxayna ku milmi karaan qiyaastii 162g 100g oo biyo ah 25 ℃.Fudud in la jeexjeexo laakiin ma fududa in la kiraysiiyo, oo leh dhadhan macaan.Kuleylinta coka leh ee loo yaqaan 'ninhydrin' waxay abuurtaa isku-dhisyo huruud ah.Marka la galo silsiladda peptide, hydroxylation ayaa dhici karta, taasoo keentay sameynta 4-hydroxyproline, taas oo ah qayb muhiim ah oo ka mid ah kolajka xayawaanka.Hydroxyproline waxa kale oo ay ku jirtaa borotiinada dhirta kala duwan, gaar ahaan la xidhiidha samaynta gidaarada unugyada.Dhirtu waxay inta badan la kulmaan ururin weyn oo proline ah oo ku jira xaalado xun oo kala duwan sida abaarta, heerkulka sare, heerkulka hoose, iyo milixda.Si ballaaran loogu isticmaalo kiliinikada, biomaterial, warshadaha, iyo meelaha kale.
Waxaa jira saddex nooc oo proline ah:D-proline, L-proline, iyo D-proline.Sida caadiga ah loo yaqaan proline waa L-proline, oo ah amino acid si dabiici ah u dhaca.Marka heerkulka qolka, alaabtani waa crystal columnar.Si deg deg ah u qurxin marka lagu kululeeyo 215-220 ℃.Ku milmay biyo kulul iyo ethanol.Wax yar macaan iyo hygroscopic.Racemization ee xalalka alkaline.[α] D25-86.5 ° (biyo), -60.4 ° (5N hydrochloric acid).Loo qaybiyey borotiinno kala duwan.Amino acid oo leh maaddo dhexdhexaad ah oo ku jirta plankton badda;Waxa kale oo ay ku jirtaa biyaha badda, walxaha qayb ka ah, iyo sediments badda.
Proline waa amino acid lagama maarmaan u ah jidhka bini'aadamka.
Shaqada iyo ujeedada
Codsiga warshadaha dawooyinka
Daawooyinka Amino acid.Mid ka mid ah alaabta ceeriin ee faleebo amino acid isku jira.Waxaa loo isticmaalaa kabitaanka borotiinka ka dib nafaqo-xumada, yaraanta borotiinka, cudurrada caloosha oo daran, gubasho, iyo hababka qalliinka.Ma jiro waxyeelo cad oo sun ah.
Saamaynta intrabiological
In noolaha nool, proline ma aha oo kaliya walax osmoregulation ku habboon, laakiin sidoo kale waxay u adeegtaa sida walax ka ilaaliya xuubabka iyo ensaymes, iyo sidoo kale qashinka xagjirka ah oo lacag la'aan ah, oo ilaalinaysa koritaanka dhirta hoos stress osmotic.Ururinta walax kale oo muhiim ah oo osmoregulation ah oo ku jirta vacuoles ee noolaha potassium ion, proline waxay sidoo kale ka ciyaari kartaa door nidaamsan dheelitirka osmotic cytoplasmic.
Codsiyada warshadaha
Warshadaha isku-dhafka ah, proline waxay ka qaybqaadan kartaa kicinta falcelinta asymmetric waxayna u adeegtaa sidii kicinta hydrogenation, polymerization, iyo falcelinta dhexdhexaadinta biyaha.Marka loo isticmaalo kicinta falcelinta noocaas ah, waxay leedahay firfircooni xoog leh iyo aragti-fikir wanaagsan.
Codsiyada qaybaha kale
1. Proline iyo waxyaabaha ka soo baxa ayaa inta badan loo isticmaalaa sidii kiciyayaal simmetrical ah falcelinta organic, iyadoo la dhimay ee CBS iyo falcelinta uumi aldol catalytic ee proline ah tusaalooyin caan ah.
2. Inta lagu jiro diyaarinta, borotiinku waxa uu qani ku yahay proline ku xidhan polyphenols, kaas oo soo saari kara cadceed (turbidity).
3. Qalabka ceeriin ee loogu talagalay isku-darka xannibayaasha ester-ka ee xameetida.
4. Walxaha dhadhanka leh, kuwaas oo la falgala sonkorta kuleyliyaha si ay u sameeyaan kooxaha amino hydrogen, waxay soo saari karaan walxo leh udgoon gaar ah.
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