>3ri6B (B:) observed residues (from ATOM records)
rgfttralhvsnptvedleqrlknltgalgvlalgsgmaaistailtlaragdsvvttdr
lfghtlslfqktlpsfgievrfvdvmdslavehacdettkllfletisnpqlqvadleal
skvvhakgiplvvdttmtppylleakrlgvdievlsstkfigtsvggvlidhglfewksl
pslapyyakagpmaflykarkevfqnlgpslsphnaylqslgletmalrierscqnaqel
ahwllsipqvkcvnhpslpdspfyaiakrqfryagsiltfeleskeasyrfmdalklirr
atnihdnkslilspyispammrlsvgieeiedlkedilqal