>4r9fA (A:) observed residues (from ATOM records)
kqvvltlwypwagpdgdavvslakeyskthpnvqikaqmvsgagiaatqgggqgkflsav
aagnppdlvlywgqdalpgladqgaiiplddylkdvdtskffeaaynamkykgkiyglpe
mvnvrvlfwnkdlfkqagldpntppktiaeldqmaakltktkngtieqmgfipwigqgvp
hvmagvfgtslvdsngnpilspdknpqllnllkwevsysdkygamninkfiagmsqnssq
andpfvlgkvammisgewqinankqynpklnfgvgpipqapggkpmpslmdgntwmipkg
skhpqeamdfikwtmdpqriadtadkvyniapiveaakiqklnndpyfkevlnvaqkgsi
yytpaakgmlstetaannafqaaqykkstpeqalknaqaeae