Chains and heterogens:
PDB Chain Sequences:
>1kgcD (D:) mkttqpnsmesneeepvhlpcnhstisgtdyihwyrqlpsqgpeyvihgltsnvnnrmas laiaedrksstlilhratlrdaavyycilplaggtsygkltfgqgtiltvhpniqnpdpa vyqlrdskssdksvclftdfdsqtnvsqskdsdvyitdktvldmrsmdfksnsavawsnk sdfacanafnnsiipedtffpspess
>1kgcD (D:) kttqpnsmesneeepvhlpcnhstisgtdyihwyrqlpsqgpeyvihgltsnvnnrmasl aiaedrksstlilhratlrdaavyycilplaggtsygkltfgqgtiltvhpniqnpdpav yqlrdskssdksvclftdfdsqtnvsqskdsdvyitdktvldmrsmdfksnsavawsnks dfacanafnnsiipedtffps
>1kgcE (E:) mgvsqsprykvakrgqdvalrcdpisghvslfwyqqalgqgpefltyfqneaqldksglp sdrffaerpegsvstlkiqrtqqedsavylcasslgqayeqyfgpgtrltvtedlknvfp pevavfepseaeishtqkatlvclatgfypdhvelswwvngkevhsgvstdpqplkeqpa lndsryclssrlrvsatfwqnprnhfrcqvqfyglsendewtqdrakpvtqivsaeawgr ad
>1kgcE (E:) gvsqsprykvakrgqdvalrcdpisghvslfwyqqalgqgpefltyfqneaqldksglps drffaerpegsvstlkiqrtqqedsavylcasslgqayeqyfgpgtrltvtedlknvfpp evavfepseaeishtqkatlvclatgfypdhvelswwvngkevhsgvstdpqplkeqpal ndsryclssrlrvsatfwqnprnhfrcqvqfyglsendewtqdrakpvtqivsaeawgra d