Resonance Assignment/Abacus/Protein Sequence format
A1. Fasta format.
The first line shoul start with '>' symbol.
Next one or more lines contain sequence in 1-letter code.
Example_A1:
> MDSKEVLVHVKNLEKNKSNDAAVLEILHVL DKEFVPTE KLLRETKVGVE VNKFKKSTN VEISKLVKKMISSWKDAIN
A2. "Standard" format.
Each line contains name of one residue in 3-lettr code and, optionally, the residue ID.
(only residue ID of the first residue is used to start numbering of the sequence positions).
Example_A2.1 (position ID is not specified)
GLN GLY HIS MET PRO GLY ILE ILE TYR GLU GLY LYS GLY THR ASN MET GLU ....
Example_A2.2 (with specified all position ID):
GLN -3 GLY -2 HIS -1 MET 0 PRO 1 GLY 2 ILE 3 ILE 4 TYR 5 .....
Example_A2.3 (with specified first position ID):
GLN -3 GLY HIS MET PRO GLY ILE ILE TYR .....