>2aztA (A:) observed residues (from ATOM records)
yrtrslgvaaeglpdqyadgeaarvwqlyigdtrsrtaeykawllgllrqhgcqrvldva
cgtgvdsimlveegfsvtsvdasdkmlkyalkerwnrrhepafdkwvieeanwmtldkdv
pqeggfdaviclgnsfahlpdckgdqsehrlalkniasmvraggllvidnrnydhilstg
cappgkniyyksdltkdvttsvlivnnkahmvtldytvglskfrlsyyphclasftellq
aafggkcqhsvlgdfkpykpgqtyipcyfihvlkrt