Chains and heterogens:
PDB Chain Sequences:
>1rea_ (-) aidenkqkalaaalgqiekqfgkgsimrlgedrsmdvetistgslsldialgagglpmgr iveiygpessgkttltlqviaaaqregktcafidaehaldpiyarklgvdidnllcsqpd tgeqaleicdalarsgavdvivvdsvaaltpkaeiegeigdshmglaarmmsqamrklag nlkqsntllifinqirmkigvmfgnpetttggnalkfyasvrldirrigavkegenvvgs etrvkvvknkiaapfkqaefqilygeginfygelvdlgvkekliekagawysykgekigq gkanatawlkdnpetakeiekkvrelllsnpnstpdfsvddsegvaetnedf
>1rea_ (-) denkqkalaaalgqiekqfgkgsimrlgedrsmdvetistgslsldialgagglpmgriv eiygpessgkttltlqviaaaqregktcafidaehaldpiyarklgvdidnllcsqpdtg eqaleicdalarsgavdvivvdsvaaltpkaeieglaarmmsqamrklagnlkqsntlli finqitggnalkfyasvrldirrigavkegenvvgsetrvkvvknkiaapfkqaefqily geginfygelvdlgvkekliekagawysykgekigqgkanatawlkdnpetakeiekkvr elll