>4ym1B (B:) SEQRES residues
hchqqlnslptmegpptfnppvpyfgrlqggltarrtiiikgyvpptgksfainfkvgss
gdialhinprmgngtvvrnsllngswgseekkithnpfgpgqffdlsircgldrfkvyan
gqhlfdfahrlsafqrvdtleiqgdvtlsyvqi