>2v3fB (B:) observed residues (from ATOM records)
arpcipksfgyssvvcvcnatycdsfalgtfsryestrsgrrmelsmgpiqanhtgtgll
ltlqpeqkfqkvkgfggamtdaaalnilalsppaqnlllksyfseegigyniirvpmasc
dfsirtytyadtpddfqlhnfslpeedtklkiplihralqlaqrpvsllaspwtsptwlk
tngavngkgslkgqpgdiyhqtwaryfvkfldayaehklqfwavtaenepsagllsgypf
qclgftpehqrdfiardlgptlansthhnvrllmlddqrlllphwakvvltdpeaakyvh
giavhwyldflapakatlgethrlfpntmlfaseacvgskfweqsvrlgswdrgmqyshs
iitnllyhvvgwtdwnlalnpeggpnwvrnfvdspiivditkdtfykqpmfyhlghfskf
ipegsqrvglvasqkndldavalmhpdgsavvvvlnrsskdvpltikdpavgfletispg
ysihtylwhrq