Chains and heterogens:
PDB Chain Sequences:
>1gkrA (A:) mfdvivkncrlvssdgiteadilvkdgkvaaisadtsdveasrtidaggkfvmpgvvdeh vhiidmdlknrygrfeldsesaavggittiiempitfpptttldaflekkkqagqrlkvd falygggvpgnlpeirkmhdagavgfksmmaasvpgmfdavsdgelfeifqeiaacgsvi vvhaenetiiqalqkqikaaggkdmaayeasqpvfqeneaiqralllqkeagcrlivlhv snpdgvelihqaqsegqdvhcesgpqylnittddaerigpymkvappvrsaemnirlweq lenglidtlgsdhgghpvedkepgwkdvwkagngalgletslpmmltngvnkgrlslerl vevmcekpaklfgiypqkgtlqvgsdadllildldidtkvdasqfrslhkyspfdgmpvt gapvltmvrgtvvaekgevlveqgfgqfvtrrnyeask
>1gkrA (A:) mfdvivkncrlvssdgiteadilvkdgkvaaisadtsdveasrtidaggkfvmpgvvdeh vhiidmdlknrygrfeldsesaavggittiiempitfpptttldaflekkkqagqrlkvd falygggvpgnlpeirkmhdagavgfksmmaasvpgmfdavsdgelfeifqeiaacgsvi vvhaenetiiqalqkqikaaggkdmaayeasqpvfqeneaiqralllqkeagcrlivlhv snpdgvelihqaqsegqdvhcesgpqylnittddaerigpymkvappvrsaemnirlweq lenglidtlgsdhgghpvedkepgwkdvwkagngalgletslpmmltngvnkgrlslerl vevmcekpaklfgiypqkgtlqvgsdadllildldidtkvdasqfrslhkyspfdgmpvt gapvltmvrgtvvaekgevlveqgfgqfvtr
>1gkrB (B:) mfdvivkncrlvssdgiteadilvkdgkvaaisadtsdveasrtidaggkfvmpgvvdeh vhiidmdlknrygrfeldsesaavggittiiempitfpptttldaflekkkqagqrlkvd falygggvpgnlpeirkmhdagavgfksmmaasvpgmfdavsdgelfeifqeiaacgsvi vvhaenetiiqalqkqikaaggkdmaayeasqpvfqeneaiqralllqkeagcrlivlhv snpdgvelihqaqsegqdvhcesgpqylnittddaerigpymkvappvrsaemnirlweq lenglidtlgsdhgghpvedkepgwkdvwkagngalgletslpmmltngvnkgrlslerl vevmcekpaklfgiypqkgtlqvgsdadllildldidtkvdasqfrslhkyspfdgmpvt gapvltmvrgtvvaekgevlveqgfgqfvtrrnyeask
>1gkrB (B:) mfdvivkncrlvssdgiteadilvkdgkvaaisadtsdveasrtidaggkfvmpgvvdeh vhiidmdlknrygrfeldsesaavggittiiempitfpptttldaflekkkqagqrlkvd falygggvpgnlpeirkmhdagavgfksmmaasvpgmfdavsdgelfeifqeiaacgsvi vvhaenetiiqalqkqikaaggkdmaayeasqpvfqeneaiqralllqkeagcrlivlhv snpdgvelihqaqsegqdvhcesgpqylnittddaerigpymkvappvrsaemnirlweq lenglidtlgsdhgghpvedkepgwkdvwkagngalgletslpmmltngvnkgrlslerl vevmcekpaklfgiypqkgtlqvgsdadllildldidtkvdasqfrslhkyspfdgmpvt gapvltmvrgtvvaekgevlveqgfgqfvtr
>1gkrC (C:) mfdvivkncrlvssdgiteadilvkdgkvaaisadtsdveasrtidaggkfvmpgvvdeh vhiidmdlknrygrfeldsesaavggittiiempitfpptttldaflekkkqagqrlkvd falygggvpgnlpeirkmhdagavgfksmmaasvpgmfdavsdgelfeifqeiaacgsvi vvhaenetiiqalqkqikaaggkdmaayeasqpvfqeneaiqralllqkeagcrlivlhv snpdgvelihqaqsegqdvhcesgpqylnittddaerigpymkvappvrsaemnirlweq lenglidtlgsdhgghpvedkepgwkdvwkagngalgletslpmmltngvnkgrlslerl vevmcekpaklfgiypqkgtlqvgsdadllildldidtkvdasqfrslhkyspfdgmpvt gapvltmvrgtvvaekgevlveqgfgqfvtrrnyeask
>1gkrC (C:) mfdvivkncrlvssdgiteadilvkdgkvaaisadtsdveasrtidaggkfvmpgvvdeh vhiidmdlknrygrfeldsesaavggittiiempitfpptttldaflekkkqagqrlkvd falygggvpgnlpeirkmhdagavgfksmmaasvpgmfdavsdgelfeifqeiaacgsvi vvhaenetiiqalqkqikaaggkdmaayeasqpvfqeneaiqralllqkeagcrlivlhv snpdgvelihqaqsegqdvhcesgpqylnittddaerigpymkvappvrsaemnirlweq lenglidtlgsdhgghpvedkepgwkdvwkagngalgletslpmmltngvnkgrlslerl vevmcekpaklfgiypqkgtlqvgsdadllildldidtkvdasqfrslhkyspfdgmpvt gapvltmvrgtvvaekgevlveqgfgqfvtr
>1gkrD (D:) mfdvivkncrlvssdgiteadilvkdgkvaaisadtsdveasrtidaggkfvmpgvvdeh vhiidmdlknrygrfeldsesaavggittiiempitfpptttldaflekkkqagqrlkvd falygggvpgnlpeirkmhdagavgfksmmaasvpgmfdavsdgelfeifqeiaacgsvi vvhaenetiiqalqkqikaaggkdmaayeasqpvfqeneaiqralllqkeagcrlivlhv snpdgvelihqaqsegqdvhcesgpqylnittddaerigpymkvappvrsaemnirlweq lenglidtlgsdhgghpvedkepgwkdvwkagngalgletslpmmltngvnkgrlslerl vevmcekpaklfgiypqkgtlqvgsdadllildldidtkvdasqfrslhkyspfdgmpvt gapvltmvrgtvvaekgevlveqgfgqfvtrrnyeask
>1gkrD (D:) mfdvivkncrlvssdgiteadilvkdgkvaaisadtsdveasrtidaggkfvmpgvvdeh vhiidmdlknrygrfeldsesaavggittiiempitfpptttldaflekkkqagqrlkvd falygggvpgnlpeirkmhdagavgfksmmaasvpgmfdavsdgelfeifqeiaacgsvi vvhaenetiiqalqkqikaaggkdmaayeasqpvfqeneaiqralllqkeagcrlivlhv snpdgvelihqaqsegqdvhcesgpqylnittddaerigpymkvappvrsaemnirlweq lenglidtlgsdhgghpvedkepgwkdvwkagngalgletslpmmltngvnkgrlslerl vevmcekpaklfgiypqkgtlqvgsdadllildldidtkvdasqfrslhkyspfdgmpvt gapvltmvrgtvvaekgevlveqgfgqfvtr