>1szfA (A:) observed residues (from ATOM records)
getkediarkeqlksllppldniinlydfeylasqtltkqawayyssgandevthrenhn
ayhriffkpkilvdvrkvdistdmlgshvdvpfyvsatglcklgnplegekdvargcgqg
vtkvpqmistaascspeeiieaapsdkqiqwyqlyvnsdrkitddlvknveklgvkalfv
tvdapslgqrekdmklkfsngasralskfidpsltwkdieelkkktklpivikgvqrted
vikaaeigvsgvvlsnhggrqldfsrapievlaetmpileqrnlkdklevfvdggvrrgt
dvlkalclgakgvglgrpflyanscygrngvekaieilrdeiemsmrllgvtsiaelkpd
lldlstlkartvgvpndvlynevyegptltefeda