The HELM ambiguity design document includes the ability to annotate a bond. The editor accepts the notation, but does not display the information or allow the user to enter it.
For example the following HELM
CHEM1{[Az]}|PEPTIDE1{A.A.A.A.A.C.D.D.D.E.E.E.E}$PEPTIDE1,CHEM1,C:R3-1:R1"Specific Conjugation"$$$V2.0
Looks like this
and the bond attributes box does not include a section for annotations.
The HELM ambiguity design document includes the ability to annotate a bond. The editor accepts the notation, but does not display the information or allow the user to enter it.
For example the following HELM
and the bond attributes box does not include a section for annotations.
CHEM1{[Az]}|PEPTIDE1{A.A.A.A.A.C.D.D.D.E.E.E.E}$PEPTIDE1,CHEM1,C:R3-1:R1"Specific Conjugation"$$$V2.0Looks like this