>4mstB (B:) observed residues (from ATOM records)
siisrstfeemlkhrndaacpakgfytydafisaakafpafgttgdvdtckreiaaffgq
tshattggwptapdgpyawgycykeelnqassycspspaypcapgkkyygrgpiqlswny
nygqcgqalgldllnnpdlvatdrvisfkaaiwfwmtpqfpkpschdvitgqwsptghdi
sagrapgygvitniingglecgrgwdarvedrigfykrycdmfavgygsnldcynqtpfg