>1szgB (B:) observed residues (from ATOM records)
tkediarkeqlksllppldniinlydfeylasqtltkqawayyssgandevthrenhnay
hriffkpkilvdvrkvdistdmlgshvdvpfyvsatglcklgnplegekdvargcgqgvt
kvpqmistaascspeeiieaapsdkqiqwyqlyvnsdrkitddlvknveklgvkalfvtv
dapslgqrekdmklkfsnskfidpsltwkdieelkkktklpivikgvqrtedvikaaeig
vsgvvlsnhggrqldfsrapievlaetmpileqrnlkdklevfvdggvrrgtdvlkalcl
gakgvglgrpflyanscygrngvekaieilrdeiemsmrllgvtsiaelkpdlldlstlk
artvgvpndvlynevyegptltefeda