>3l72P (P:) observed residues (from ATOM records)
apnirkshpllkminnslidlpapsnisawwnfgsllavclmtqiltglllamhytadts
lafssvahtcrnvqygwlirnlhangasffficiflhigrglyygsylyketwntgvill
ltlmatafvgyvlpwgqmsfwgatvitnlfsaipyightlvewawggfsvdnptltrffa
lhfllpfaiagitiihltflhesgsnnplgissdsdkipfhpyysfkdilgltlmltpfl
tlalfspnllgdpenftpanplvtpphikpewyflfayailrsipnklggvlalaasvli
lflipflhkskqrtmtfrplsqtlfwllvanlliltwigsqpvehpfiiigqmaslsyft
illilfptigtlenkmlny