>1gc4B (B:) observed residues (from ATOM records)
mrglsrrvqamkpdavvavnakalelrrqgvdlvaltagepdfdtpehvkeaarralaqg
ktkyappagipelrealaekfrrenglsvtpeetivtvggsqalfnlfqaildpgdeviv
lspywvsypemvrfaggvvvevetlpeegfvpdpervrraitprtkalvvnspnnptgav
ypkevlealarlavehdfylvsdeiyehllyegehfspgrvapehtltvngaakafamtg
wrigyacgpkevikamasvsrqsttspdtiaqwatlealtnqeasrafvemareayrrrr
dlllegltalglkavrpsgafyvlmdtspiapdevraaerlleagvavvpgtdfaafghv
rlsyatseenlrkalerfarvl