Chains and heterogens:
PDB Chain Sequences:
>1iirA (A:) mrvllatcgsrgdteplvalavrvrdlgadvrmcappdcaerlaevgvphvpvgpsarap iqrakpltaedvrrftteaiatqfdeipaaaegcaavvttgllaaaigvrsvaeklgipy fyafhcpsyvpspyypppplgepstqdtidipaqwernnqsayqryggllnshrdaiglp pvediftfgytdhpwvaadpvlaplqptdldavqtgawilpderplspelaafldagppp vylgfgslgapadavrvaidairahgrrvilsrgwadlvlpddgadcfaigevnhqvlfg rvaavihhggagtthvaaragapqillpqmadqpyyagrvaelgvgvahdgpiptfdsls aalataltpetharatavagtirtdgaavaarllldavsrekptvsalehhhhhh
>1iirA (A:) mrvllatcgsrgdteplvalavrvrdlgadvrmcappdcaerlaevgvphvpvgprakpl taedvrrftteaiatqfdeipaaaegcaavvttgllaaaigvrsvaeklgipyfyafhcp syvpspyyppppidipaqwernnqsayqryggllnshrdaiglppvediftfgytdhpwv aadpvlaplqptdldavqtgawilpderplspelaafldagpppvylgfgapadavrvai dairahgrrvilsrgwadlvlpddgadcfaigevnhqvlfgrvaavihhggagtthvaar agapqillpqmadqpyyagrvaelgvgvahdgpiptfdslsaalataltpetharatava gtirtdgaavaarllldavsre