>3k22B (B:) observed residues (from ATOM records)
tlpqltptlvslleviepevlyagydssvpdstwrimttlnmlggrqviaavkwakaipg
frnlhlddqmtllqyswmylmafalgwrsyrqsanllcfapdliineqrmtlpgmydqck
hmlyvsselhrlqvsyeeylcmktllllssvpkdglksqelfdeirmtyikelgkaivkr
ensqnwqrfyqltklldsmhevvenllnycfqtfldktmsiefpemlaeiitnqipkysn
gnikkllfhq