>5vxtB (B:) observed residues (from ATOM records)
hhhhmsvkvfdtkevqdllkaasnagagnartqqivhrllgdlfkaiddlditpdevwag
vnylnklgqdgeaallaaglglekyldirmdaedeaigldggtprtiegplyvagapvrd
gvakidldadegagplvihgtvtgldgkpvagalvecwhanshgfyshfdptgkqsdfnl
rgavktgadgkyefrtlmpvgygcppqgatqqlldrlgrhgnrpahvhffvtsdghrklt
tqfniegdpliwddfayatreelippvtakaggaalglkadayqdiefnfvltprvegkd
nqiverlrasat