>2g4cA (A:) observed residues (from ATOM records)
sealleicqrrhflsgskqqlsrdsllsgchpgfgplgvelrknlaaewwtsvvvfreqv
fpvdalhhkpgpllpgdsafrlvsaetlreilqdkelskeqlvtflenvlktsgklrenl
lhgalehyvncldlvnkrlpyglaqigvcfhpvksigekteaslvwftpprtsnqwldfw
lrhrlqwwrkfamspsnfsssdcqdeegrkgnklyynfpwgkelietlwnlgdhellhmy
pgnvsklhgrdgrknvvpcvlsvngdldrgmlaylydsfqrkvlklhpclapikvaldvg
rgptlelrqvcqglfnellengisvwpgyletmqssleqlyskydemsilftvlvtettl
englihlrsrdttmkemmhisklkdflikyissaknv