>1sva4 (4:) observed residues (from ATOM records)
apkkpkepvqvpklvikggievlgvktgvdsftevecflnpqmgnpdehqkglskslaae
kqftddspdkeqlpcysvariplpninedltcgnilmweavtvktevigvtamlnlhsgt
qkthengagkpiqgsnfhffavggeplelqgvlanyrtkypaqtvtpknatvdsqqmntd
hkavldkdnaypvecwvpdpsknentryfgtytggenvppvlhitntattvlldeqgvgp
lckadslyvsavdicglftntsgtqqwkglpryfkitlrkrsvknpypisfllsdlinrr
tqrvdgqpmigmssqveevrvyedteelpgd