>5xt4A (A:) observed residues (from ATOM records)
svdqkaistirllavdavaaansghpgaplglapaahavfkkmrfnpkdtkwinrdrfvl
snghacallysmlvlygydltvedlkkfrqlgsktpghpentdvpgaevttgplgqgicn
gvgialaqaqfaatynkpdfpisdsytyvflgdgclmegvsseasslaghlqlgnliafw
ddnkisidgstevaftedviaryksygwhivevsdadtditaiaaaideakkvtnkptlv
rltttigfgslaqgthgvhgaplkaddikqlktkwgfnpeesfavpaevtasynehvaen
qkiqqqwnelfaaykqkypelgaelqrrldgklpenwdkalpvytpadaavatrklseiv
lskiipevpeiiggsadltpsnltkakgtvdfqpaatglgdysgryirygvrehamgaim
ngiaafganyknyggtflnfvsyaagavrlsalsefpitwvathdsiglgedgpthqpie
tlahfratpnisvwrpadgnetsaayksaiesthtphilaltrqnlpqlegssiekaskg
gytlvqqdkadiiivatgsevslavdalkvlegqgikagvvslpdqltfdkqseeyklsv
lpdgvpilsvevmstfgwskyshqqfglnrfgasgkapeifklfeftpegvaeraaktva
fykgkdvvsplrsaf