Chains and heterogens:
PDB Chain Sequences:
>6feiA (A:) iseigdrintvrgpitiseagftlthehicgssagflrawpeffgsraalvekavrglrr araagvrtivdvstfdagrdvsllaevsraadvhivaatglwedpplsmrlrsveeltqf flreiqygiedtgiragiikvatqgkatpfqelvlraaaraslatgvpvtthtfasqrdg eqqaaifeseglspsrvcighsddtddlsyltalaargyligldgiphsaiglednasas allgnrswqtrallikalidqgymkqilvsndwlfgfssyvtnimdvmdsvnpdgmafip lrvipflrekgvpqetlagitvtnparflsptlras
>6feiA (A:) drintvrgpitiseagftlthehicgssagflrawpeffgsraalvekavrglrraraag vrtivdvstfdagrdvsllaevsraadvhivaatglwedpplsmrlrsveeltqfflrei qygiedtgiragiikvatqgkatpfqelvlraaaraslatgvpvtthtfasqrdgeqqaa ifeseglspsrvcighsddtddlsyltalaargyligldgiphsaiglednasasallgn rswqtrallikalidqgymkqilvsndwlfgfssyvtnimdvmdsvnpdgmafiplrvip flrekgvpqetlagitvtnparflspt
>6feiB (B:) isefigdrintvrgpitiseagftlthehicgssagflrawpeffgsraalvekavrglr raraagvrtivdvstfdagrdvsllaevsraadvhivaatglwedpplsmrlrsveeltq fflreiqygiedtgiragiikvatqgkatpfqelvlraaaraslatgvpvtthtfasqrd geqqaaifeseglspsrvcighsddtddlsyltalaargyligldgiphsaiglednasa sallgnrswqtrallikalidqgymkqilvsndwlfgfssyvtnimdvmdsvnpdgmafi plrvipflrekgvpqetlagitvtnparflsptlras