>3zcdA (A:) observed residues (from ATOM records)
smiaayqarcqarvdaaldalfvapreelqrlyeamrysvmnggkrvrpllayaacealg
gapqradaaacavelihayslvhddlpamddddlrrgqptthrafdeatailaadglqal
afevladtrrnpqehavclemltrlaraagsagmvggqaidlgsvgvaldqaalevmhrh
ktgalieasvrlgalasgraepaslaaleryaeaiglafqvqddildvptypallgleaa
kgyalelrdlalaaldgfppsadplrqlaryiverr