Chains and heterogens:
PDB Chain Sequences:
>1fepA (A:) qeptdtpvshddtivvtaaeqnlqapgvstitadeirknpvardvskiirtmpgvnltgn stsgqrgnnrqidirgmgpentlilidgkpvssrnsvrqgwrgerdtrgdtswvppemie rievlrgpaaarygngaaggvvniitkkgsgewhgswdayfnapehkeegatkrtnfslt gplgdefsfrlygnldktqadawdinqghqsaragtyattlpagregvinkdingvvrwd faplqsleleagysrqgnlyagdtqntnsdsytrskygdetnrlyrqnyaltwnggwdng vttsnwvqyehtrnsripeglaggtegkfnekatqdfvdidlddvmlhsevnlpidflvn qtltlgtewnqqrmkdlssntqaltgtntggaidgvsttdrspyskaeifslfaennmel tdstivtpglrfdhhsivgnnwspalnisqglgddftlkmgiaraykapslyqtnpnyil yskgqgcyasaggcylqgnddlkaetsinkeiglefkrdgwlagvtwfrndyrnkieagy vavgqnavgtdlyqwdnvpkavveglegslnvpvsetvmwtnnitymlksenkttgdrls iipeytlnstlswqaredlsmqttftwygkqqpkkynykgqpavgpetkeispysivgls atwdvtknvsltggvdnlfdkrlwragnaqttgdlaganyiagagaytynepgrtwymsv nthf
>1fepA (A:) ddtivvtaaeqnlqapgvstitadeirknpvardvskiirtmpgvnltgnstsgqrgnnr qidirgmgpentlilidgkpvssrnsvrqgwrgerdtrgdtswvppemierievlrgpaa arygngaaggvvniitkkgsgewhgswdayfnapehkeegatkrtnfsltgplgdefsfr lygnldktqadawdinqghqsaragtyattlpagregvinkdingvvrwdfaplqslele agysrqgnlyagdtqntnsdsytrskygdetnrlyrqnyaltwnggwdngvttsnwvqye htrnsripeglagqdfvdidlddvmlhsevnlpidflvnqtltlgtewnqqrmkdlssnt qadrspyskaeifslfaennmeltdstivtpglrfdhhsivgnnwspalnisqglgddft lkmgiaraykapslyqtnpnyilyskgqgcylqgnddlkaetsinkeiglefkrdgwlag vtwfrndyrnkieagyvavgqnavgtdlyqwdnvpkavveglegslnvpvsetvmwtnni tymlksenkttgdrlsiipeytlnstlswqaredlsmqttftwygkqqpkkynykgqpav gpetkeispysivglsatwdvtknvsltggvdnlfdkrlwragnaqttgdlaganyiaga gaytynepgrtwymsvnthf