Modification Summary


[show modification pathway]


Full name2′-O-methylcytidine
Short nameCm
New Nomenclature0C
RNAMods abbreviationB
HTML abbreviationB
Enzymes Nop1 (Saccharomyces cerevisiae)
RlmM (Escherichia coli)
RsmI (Escherichia coli)
Trm13 (Saccharomyces cerevisiae)
Trm7 (Saccharomyces cerevisiae)
TrmJ (Escherichia coli)
TrmJ (Sulfolobus acidocaldarius)
TrmL (Escherichia coli)
aTrm56 (Pyrococcus abyssi)
Found in phylogenyEubacteria, Eukaryota
Found in RNArRNA, snRNA, tRNA
PubChem ID150971
SMILES codeC3(OC(CO)C(O)C(O(C))3)N1C=CC(N)=NC1(=O)

LC-MS Information

Sum formulaC10O5N3H15
Monoisotopic mass257.10117
Average mass257.2467
HRMS mass257.100621
Normalized LC elution time
LC elution order/characteristics
LC literature references
MS Data File
MS/MS Data File
MS/MS/MS (base ion) Data File
MS literature references

Download [.mol file for Cm]

Chemical groups contained

methyl groupmethyl at O2

Reactions producing 2′-O-methylcytidine


Reactions starting from 2′-O-methylcytidine


Occurrence in PDB structures

PDB-ID chain residue
1ehz A OMC /32
1evv A OMC /32
1fcw A OMC /32
1fcw B OMC /32
1fcw C OMC /32
1fcw D OMC /32
1fcw E OMC /32
1gix B OMC /32
1gix C OMC /32
1jgo B OMC /32
1jgo C OMC /32
1jgp B OMC /32
1jgp C OMC /32
1jgq B OMC /32
1jgq C OMC /32
1luu A OMC /32
1lux A OMC /32
1mj1 D OMC /32
1mj1 C OMC /32
1ml5 B OMC /32
1nao B OMC /12
1nao B OMC /17
1ob2 B OMC /32
1ob5 B OMC /32
1ob5 D OMC /32
1ob5 F OMC /32
1pbl A OMC /1
1pbl A OMC /3
1pbl A OMC /5
1pbl B OMC /7
1pbl B OMC /9
1pbl B OMC /11
1sz1 E OMC /32
1sz1 F OMC /32
1tn2 OMC /32
1tra OMC /32
1ttt D OMC /32
1ttt E OMC /32
1ttt F OMC /32
2fmt C OMC /32
2fmt D OMC /32
2goz B OMC /6
486d A OMC /32
4tna OMC /32
4tra OMC /32
6tna OMC /32

Last modification of this entry: 2013-05-10 16:36:53.347558
Edited by a user: magda
Edited content: Kingdom/s added to a modification