>3exbA (A:) SEQRES residues
mktttplvhvasvekgrsyedfqkvynaialklreddeydnyigygpvlvrlawhisgtw
dkhdntggsyggtyrfkkefndpsnaglqngfkflepihkefpwissgdlfslggvtavq
emqgpkipwrcgrvdtpedttpdngrlpdadkdagyvrtffqrlnmndrevvalmgahal
gkthlknsgyegggannvftnefylnllnedwklekndanneqwdsksgymmlptdysli
qdpkylsivkeyandqdkffkdfskafekllengitfpkdapspfifktleeqgl