Cannabaceae

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7-Methylguanosine
Names
IUPAC name
7-Methylguanosin-7-ium
Systematic IUPAC name
2-Amino-9-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-7-methyl-6-oxo-6,9-dihydro-1H-purin-7-ium
Other names
N7-Methylguanosine; 2-Amino-1,6-dihydro-7-methyl-6-oxo-9-β-D-ribofuranosylpurinium
Identifiers
3D model (JSmol)
Abbreviations m7G; m7G
ChEBI
ChemSpider
UNII
  • InChI=1S/C11H15N5O5/c1-15-3-16(8-5(15)9(20)14-11(12)13-8)10-7(19)6(18)4(2-17)21-10/h3-4,6-7,10,17-19H,2H2,1H3,(H2-,12,13,14,20)/p+1/t4-,6-,7-,10-/m1/s1 checkY
    Key: OGHAROSJZRTIOK-KQYNXXCUSA-O checkY
  • InChI=1/C11H15N5O5/c1-15-3-16(8-5(15)9(20)14-11(12)13-8)10-7(19)6(18)4(2-17)21-10/h3-4,6-7,10,17-19H,2H2,1H3,(H2-,12,13,14,20)/p+1/t4-,6-,7-,10-/m1/s1
    Key: OGHAROSJZRTIOK-UJMNIJGGBX
  • O=C3/N=C(/N)Nc1c3n(c[n+]1[C@@H]2O[C@@H]([C@@H](O)[C@H]2O)CO)C
Properties
C11H16N5O5
Molar mass 298.279 g·mol−1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
☒N verify (what is checkY☒N ?)

7-Methylguanosine (m7G) is a modified purine nucleoside. It is a methylated version of guanosine and when found in human urine, it may be a biomarker of some types of cancer. In the RNAs, 7-methylguanosine have been used to study and examine the reaction evolving methylguanosine. It also plays a role in mRNA as a blocking group at its 5´-end.[1]

See also

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References

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  1. ^ Reynaud, C; Bruno, C; Boullanger, P; Grange, J; Barbesti, S; Niveleau, A (1992). "Monitoring of urinary excretion of modified nucleosides in cancer patients using a set of six monoclonal antibodies". Cancer Letters. 61 (3): 255–62. doi:10.1016/0304-3835(92)90296-8. PMID 1739950.
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source: https://en.wikipedia.org/wiki/M7G

One thought on “Cannabaceae”

  1. Well, that’s interesting to know that Psilotum nudum are known as whisk ferns. Psilotum nudum is the commoner species of the two. While the P. flaccidum is a rare species and is found in the tropical islands. Both the species are usually epiphytic in habit and grow upon tree ferns. These species may also be terrestrial and grow in humus or in the crevices of the rocks.
    View the detailed Guide of Psilotum nudum: Detailed Study Of Psilotum Nudum (Whisk Fern), Classification, Anatomy, Reproduction

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