1-ميثيل غوانوسين

1-ميثيل غوانوسين
1-ميثيل غوانوسين
1-ميثيل غوانوسين
الاسم النظامي (IUPAC)

1-méthylguanosine

أسماء أخرى

9-β-D-Ribofuranosyl-1-methylguanin 9-[(2R,3S,4R,5R)-3,4-Dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl]-2-amino-1-methyl-purin-6-on

المعرفات
رقم CAS 2140-65-0
بوب كيم (PubChem) 250902
مواصفات الإدخال النصي المبسط للجزيئات
  • Cn1c(N)nc2n(cnc2c1=O)[C@@H]1O[C@H](CO)[C@@H](O)[C@H]1O
  • 1S/C11H15N5O5/c1-15-9(20)5-8(14-11(15)12)16(3-13-5)10-7(19)6(18)4(2-17)21-10/h3-4,6-7,10,17-19H,2H2,1H3,(H2,12,14)/t4-,6-,7-,10-/m1/s1
    Key: UTAIYTHAJQNQDW-KQYNXXCUSA-N

الخواص
صيغة كيميائية C11H15N5O5
كتلة مولية 297.27 غ.مول−1
في حال عدم ورود غير ذلك فإن البيانات الواردة أعلاه معطاة بالحالة القياسية (عند 25 °س و 100 كيلوباسكال)

ال1-ميثيل غوانوسين (بالإنجليزية: 1-Methylguanosin)‏ واختصارا (م1غ) صيغته الجزيئية C11-H15-N5-O5،[1] وهو نوكليوسيد قاعدته 1-ميثيل غوانين وهي مشتق ممثيل للغوانين مرتبطة بسكر الريبوز. يتواجد طبيعيا في بعض جزيئات الرنا الناقل والريبوسومي.[2] على سبيل المثال يتواجد جزيء (م1غ) في الوضعية 9 للرنا الناقل للألانين بين الذراع المستقبل وذراع ثنائي هيدرويوراسيل:[3]

مثيلة الغوانين في ذرت الآزوت الأولى يجعل من المستحيل تكوين زوج قاعدي من نوع واتسون-كريك.

مراجع

  1. ^ Chambers, Michael. "ChemIDplus - 2140-65-0 - UTAIYTHAJQNQDW-KQYNXXCUSA-N - 1-Methylguanosine - Similar structures search, synonyms, formulas, resource links, and other chemical information". chem.nlm.nih.gov (بالإنجليزية). Archived from the original on 2020-02-27. Retrieved 2020-02-27.
  2. ^ (بالإنجليزية) Patrick A. Limbach, Pamela F. Crain et James A. McCloskey, « Summary: the modified nucleosides of RNA », في Nucleic Acids Research, vol. 22, no 12, 25 juin 1994, ص.  2183-2196 [النص الكامل, lien PMID, lien DOI (pages consultées le 24 août 2015)] 
  3. ^ (بالإنجليزية) Robert W. Holley, Jean Apgar, George A. Everett, James T. Madison, Mark Marquisee, Susan H. Merrill, John Robert Penswick et Ada Zamir, « Structure of a Ribonucleic Acid », في Science, vol. 147, no 3664, 19 mars 1965, ص.  1462-1465 [النص الكامل, lien PMID, lien DOI (pages consultées le 24 août 2015)] 

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