37 CFR Appendix B to Subpart G of Part 1 - Appendix B to Subpart G of Part 1—List of Modified Nucleotides

Source: World Intellectual Property Organization (WIPO) Handbook on Industrial Property Information and Documentation, Standard ST.25: Standard for the Presentation of Nucleotide and Amino Acid Sequence Listings in Patent Applications (2009).

Symbol	Meaning
ac4c	4-acetylcytidine.
chm5u	5-(carboxyhydroxymethyl)uridine.
cm	2′-O-methylcytidine.
cmnm5s2u	5-carboxymethylaminomethyl-2-thiouridine.
cmnm5u	5-carboxymethylaminomethyluridine.
d	dihydrouridine.
fm	2′-O-methylpseudouridine.
gal q	beta, D-galactosylqueuosine.
gm	2′-O-methylguanosine.
i	inosine.
i6a	N6-isopentenyladenosine.
m1a	1-methyladenosine.
m1f	1-methylpseudouridine.
m1g	1-methylguanosine.
m1i	1-methylinosine.
m22g	2,2-dimethylguanosine.
m2a	2-methyladenosine.
m2g	2-methylguanosine.
m3c	3-methylcytidine.
m5c	5-methylcytidine.
m6a	N6-methyladenosine.
m7g	7-methylguanosine.
mam5u	5-methylaminomethyluridine.
mam5s2u	5-methoxyaminomethyl-2-thiouridine.
man q	beta, D-mannosylqueuosine.
mcm5s2u	5-methoxycarbonylmethyl-2-thiouridine.
mcm5u	5-methoxycarbonylmethyluridine.
mo5u	5-methoxyuridine.
ms2i6a	2-methylthio-N6-isopentenyladenosine.
ms2t6a	N-((9-beta-D-ribofuranosyl-2-methylthiopurine-6-yl)carbamoyl)threonine.
mt6a	N-((9-beta-D-ribofuranosylpurine-6-yl)N-methylcarbamoyl)threonine.
mv	uridine-5-oxyacetic acid-methylester.
o5u	uridine-5-oxyacetic acid.
osyw	wybutoxosine.
p	pseudouridine.
q	queuosine.
s2c	2-thiocytidine.
s2t	5-methyl-2-thiouridine.
s2u	2-thiouridine.
s4u	4-thiouridine.
t	5-methyluridine.
t6a	N-((9-beta-D-ribofuranosylpurine-6-yl)-carbamoyl)threonine.
tm	2′-O-methyl-5-methyluridine.
um	2′-O-methyluridine.
yw	wybutosine.
x	3-(3-amino-3-carboxy-propyl)uridine, (acp3)u.

[86 FR 57052, Oct. 14, 2021]