>5xw0A (A:) observed residues (from ATOM records)
snlphepefeqaykelastlenstlfqknpeyrkalavvsvperviqfrvvweddagnvq
vnrgfrvqfnsalgpykgglrfhpsvnlsilkflgfeqifknaltglnmgggkggsdfdp
kgksdneirrfcvsfmtelckhigadtdvpagdigvtgrevgflfgqyrkirnqwegvlt
gkggswggslirpeatgygvvyyvehmiahatngqesfkgkrvaisgsgnvaqyaalkvi
elggsvvslsdsqgsliingegsftpeeieliaqtkverkqlasivgaapfsdankfkyi
agarpwvhvgkvdvalpsatqneisgeeaqvlinagckfiaegsnmgctqeaidtfeahr
tanagaaaiwyapgkaanaggvavsglemaqnsarlswtseevdarlkdimrdcfkngle
taqeyatpaegvlpslvtgsniagftkvaaamkdqgdww