>4kgnB (B:) observed residues (from ATOM records)
mfnvvlvepeippntgnvirlcantgarlhlieplgfplddakmrragldyheyaqmrvh
rdwdafvaaeapdparmfafttrgsgrfhdrafepgdwfvfgaetrglapalvdrfapeq
rvrlpmrpgnrslnlsntvavvvfeawrqagfegga