>1g4mB (B:) observed residues (from ATOM records)
gtrvfkkaspngkltvylgkrdfvdhidlvepvdgvvlvdpeylkerrvyvtltcafryg
redldvlgltfrkdlfvanvqsfppapedkkpltrlqerlikklgehaypftfeippnlp
csvtlqpgpedtgkacgvdyevkafcaenleekihkrnsvrlvirkvqyaperpgpqpta
ettrqflmsdkplhleasldkeiyyhgepisvnvhvtnntnktvkkikisvrqyadiclf
ntaqykcpvameeaddtvapsstfckvytltpflannrekrglaldgklkhedtnlasst
llreganreilgiivsykvkvklvvsrassdvavelpftlmhpkpkdddivfedfar