>4p16A (A:) observed residues (from ATOM records)
qltievlvtvdgvnfrtvvlnnkntyrsqlgcvffngadisdtipdekqnghslyladnl
tadetkalkelygpvdptflhrfyslkaavhgwkmvvcdkvrslklsdnncylnavimtl
dllkdikfvipalqhafmkhkggdstdfialimaygnctfgapddasrllhtvlakaelc
csarmvwrewcnvcgikdvvlqglkaccyvgvqtvedlrarmtyvcqcggerhrqlveht
tpwlllsgtpneklvttstapdfvafnvfqgvghyvharlkgglilkfdsgtvsktsdwk
ckvtdvlfpgqkyss