Sitosina: Perbedaan antara revisi

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Baris 1:
{{Chembox new
{{chembox
| Name = Sitosina
| ImageFile1 = Cytosine_chemical_structure.png
| ImageFileL2 ImageFileL1 = Cytosine-3D-balls.png
| ImageSize1 = 150px
| ImageSizeL1 = 100px
| ImageFileL2 = Cytosine-3D-balls.png
| ImageSizeL2 ImageNameL1 = 100px
| ImageFileR2 ImageFileR1 = Cytosine-3D-vdW.png
| ImageSizeR2ImageSizeR1 = 100px
| ImageNameR1 =
|IUPACName=4-amino-1H-pyrimidina-2-on
| ImageFile1 ImageFile2 = Cytosine_chemical_structure.png
|OtherNames=
| ImageSize1ImageSize2 = 150px
|Section1= {{Chembox Identifiers
| ImageName2 =
| CASNo=71-30-7
| IUPACName = 4-amino-1H-pyrimidina-2-on
| PubChem=597
| OtherNames =
| SMILES=C1=C(NC(=O)N=C1)N
| Section1 = {{Chembox Identifiers
| MeSHName=Cytosine
| SMILES = C1=C(NC(=O)N=C1)N
| CASNo = 71-30-7
}}
| Section2 = {{Chembox Properties
| Formula = C<sub>4</sub>H<sub>5</sub>N<sub>3</sub>O
| MolarMass = 111,300 g/mol
| MeltingPt = 320 - 325°C (dekomposisi)
| Appearance=
| Density=
| MeltingPt=320 - 325°C (dekomposisi)
| BoilingPt=
| Solubility=
}}
|Section3= {{Chembox Hazards
| MainHazards=
| FlashPt=
| Autoignition=
}}
}}
{{ distinguish|sisteina}}
 
'''Sitosina''' merupakan satu dari dua [[basa]] [[nitrogen|N]] [[pirimidina]] yang dimiliki [[DNA]] dan [[RNA]]. [[Nukleosida]] ribosanya dinamakan [[sitidina]] dan nukleosida deoksiribosanya dinamakan [[deoksisitidina]]. Sitosina berikatan dengan [[guanina]] pada DNA pilin ganda melalui tiga [[ikatan hidrogen]].