Integer to One Letter Nucleic

Calling Sequence:
IntToN(x)
Parameters:

x

:

{ 'A', 'C', 'G', 'T', 'U', 'X'}

Returns: 1..6

Synopsis: This function converts an integer between 1..6 into the one letter code for nucleic acids 'A', 'C', 'G', 'T', 'U', 'X'.

Examples:

> IntToN(1);
> IntToN(6);