Chains and heterogens:
PDB Chain Sequences:
>1ramA (A:) pyveiieqpkqrgmrfrykcegrsagsipgerstdttkthptikingytgpgtvrislvt kdpphrphphelvgkdcrdgyyeadlcpdrsihsfqnlgiqcvkkrdleqaisqriqtnn npfhvpieeqrgdydlnavrlcfqvtvrdpagrpllltpvlshpifdnrapntaelkicr vnrnsgsclggdeifllcdkvqkedievyftgpgweargsfsqadvhrqvaivfrtppya dpslqapvrvsmqlrrpsdrelsepmefqylpd
>1ramB (B:) pyveiieqpkqrgmrfrykcegrsagsipgerstdttkthptikingytgpgtvrislvt kdpphrphphelvgkdcrdgyyeadlcpdrsihsfqnlgiqcvkkrdleqaisqriqtnn npfhvpieeqrgdydlnavrlcfqvtvrdpagrpllltpvlshpifdnrapntaelkicr vnrnsgsclggdeifllcdkvqkedievyftgpgweargsfsqadvhrqvaivfrtppya dpslqapvrvsmqlrrpsdrelsepmefqylpd