Chains and heterogens:
PDB Chain Sequences:
>1r6dA (A:) mrllvtggagfigshfvrqllagaypdvpadevivldsltyagnranlapvdadprlrfv hgdirdagllarelrgvdaivhfaaeshvdrsiagasvftetnvqgtqtllqcavdagvg rvvhvstnqvygsidsgswtessplepnspyaaskagsdlvarayhrtygldvritrccn nygpyqhpekliplfvtnlldggtlplygdganvrewvhtddhcrgialvlaggrageiy higggleltnreltgilldslgadwssvrkvadrkghdlrysldggkierelgyrpqvsf adglartvrwyrenrgwweplkatapqlpatavevsa
>1r6dA (A:) mrllvtggagfigshfvrqllagaypdvpadevivldsltyagnranlapvdadprlrfv hgdirdagllarelrgvdaivhfaaeshvdrsiagasvftetnvqgtqtllqcavdagvg rvvhvstnqvygsidsgswtessplepnspyaaskagsdlvarayhrtygldvritrccn nygpyqhpekliplfvtnlldggtlplygdganvrewvhtddhcrgialvlaggrageiy higggleltnreltgilldslgadwssvrkvadrkghdlrysldggkierelgyrpqvsf adglartvrwyrenrgwweplk