"Has improper value for" is a predefined property to track input errors for irregular value annotations that was likely caused by type or allowed value restrictions.
en:The number of letters in each symbol. Nucleotides are always codes with 1-letter symbols, but proteins may use 1 or 3-letter codes (e.g. A or Ala for alanine)<br />''DefaultValue: '1' '' +
The number of letters in each symbol. Nucleotides are always codes with 1-letter symbols, but proteins may use 1 or 3-letter codes (e.g. A or Ala for alanine)<br />''DefaultValue: '1' '' +