Chains and heterogens:
PDB Chain Sequences:
>1mrzA (A:) mvvsigvfdgvhighqkvlrtmkeiaffrkddsliytisyppeyflpdfpgllmtvesrv emlsryartvvldffrikdltpegfverylsgvsavvvgrdfrfgknasgnasflrkkgv evyeiedvvvqgkrvssslirnlvqegrveeipaylgryfeiegivhkdrefgrklgfpt anidrgneklvdlkrgvylvrvhlpdgkkkfgvmnvgfrptvgdarnvkyevyildfegd lygqrlklevlkfmrdekkfdsieelkaaidqdvksarnmiddiinskfekeg
>1mrzA (A:) vvsigvfdgvhighqkvlrtmkeiaffrkddsliytisyppeyflpdfpgllmtvesrve mlsryartvvldffrikdltpegfverylsgvsavvvgrdfrfgknasgnasflrkkgve vyeiedvvvqgkrvssslirnlvqegrveeipaylgryfeiegivfptanidrgneklvd lkrgvylvrvhlpdgkkkfgvmnvgfrrnvkyevyildfegdlygqrlklevlkfmrdek keelkaaidqdvksarnmiddiinsk
>1mrzB (B:) mvvsigvfdgvhighqkvlrtmkeiaffrkddsliytisyppeyflpdfpgllmtvesrv emlsryartvvldffrikdltpegfverylsgvsavvvgrdfrfgknasgnasflrkkgv evyeiedvvvqgkrvssslirnlvqegrveeipaylgryfeiegivhkdrefgrklgfpt anidrgneklvdlkrgvylvrvhlpdgkkkfgvmnvgfrptvgdarnvkyevyildfegd lygqrlklevlkfmrdekkfdsieelkaaidqdvksarnmiddiinskfekeg
>1mrzB (B:) vvsigvfdgvhighqkvlrtmkeiaffrkddsliytisyppeyflpdfpgllmtvesrve mlsryartvvldffrikdltpegfverylsgvsavvvgrdfrfgknasgnasflrkkgve vyeiedvvvqgkrvssslirnlvqegrveeipaylgryfeiegivhfptanidrgneklv dlkrgvylvrvhlpdgkkkfgvmnvgfnvkyevyildfegdlygqrlklevlkfmrdekk fdsieelkaaidqdvksarnmiddiinskf