19, proline
The DATA-code is (column B):
> A B C
> 252 00000000 000--------
>
> Expected next brick no 33, see note 1.
>
> 253 10100000 005 5
Input from ... 1v03 Box 005, -COOH
> 259 10011010 089 1 N
> 260 01001010 082 2 C
>
> NH-CH-COOH
> / |
> CH2 CH2
> \ /
> CH2
>
> proline
>
> 261 10111101 189
> 262 01111101 190
> 263 11111101 191
> 264 00000011 192
> 265 00000000 000--------
Box NOT used elsewhere !
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