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IUPAC nucleotide code | Base
A | Adenine
C | Cytosine
G | Guanine
T (or U) | Thymine (or Uracil)
R | A or G
Y | C or T
S | G or C
W | A or T
K | G or T
M | A or C
B | C or G or T
D | A or G or T
H | A or C or T
V | A or C or G
N | any base
. or - | gap

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- Descriptor
- Element

### Sequence details

name
Mismatches:
Pattern:

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Mispairs:
Pattern:

Alphabet for relation:

Insertions(number:letter) `:`

### Add single strand element

name
Mismatches:
Pattern:

Insertions(number:letter) `:`

### Add helix

name
Mismatches:
Pattern:

name
Mispairs:
Pattern:

Insertions(number:letter) `:`

### Add relation

name
Mismatches:
Pattern:

name
Mispairs:
Pattern:

Alphabet for relation:

Insertions(number:letter) `:`