>1b43A (A:) observed residues (from ATOM records)
gvpigeiiprkeielenlygkkiaidalnaiyqflstirqkdgtplmdskgritshlsgl
fyrtinlmeagikpvyvfdgeppefkkkelekrreareeaeekwrealekgeieearkya
qratrvnemliedakkllelmgipivqapsegeaqaaymaakgsvyasasqdydsllfga
prlvrnltitgkrklpgknvyveikpeliileevlkelkltreklielailvgtdynpgg
ikgiglkkaleivrhskdplakfqkqsdvdlyaikefflnppvtdnynlvwrdpdeegil
kflcdehdfseervknglerlkkaiksgkqstleswfkr