Chains and heterogens:
PDB Chain Sequences:
>1pvl_ (-) aqhitpvsekkvddkitlykttatsdsdklkisqiltfnfikdksydkdtlilkaagniy sgytkpnpkdtissqfywgskynisinsdsndsvnvvdyapknqneefqvqqtvgysygg dinisnglsgggngsksfsetinykqesyrtsldkrtnfkkigwdveahkimnngwgpyg rdsyhstygnemflgsrqsnlnagqnfleyhkmpvlsrgnfnpefigvlsrkqnaakksk itvtyqremdrytnfwnqlhwignnykdenrathtsiyevdwenhtvklidtqskeknpm s
>1pvl_ (-) aqhitpvsekkvddkitlykttatsdsdklkisqiltfnfikdksydkdtlilkaagniy sgytkpnpkdtissqfywgskynisinsdsndsvnvvdyapknqneefqvqqtvgysygg dinisnglsgggksfsetinykqesyrtsldkrtnfkkigwdveahkimnngwgpygrds yhstygnemflgsrqsnlnagqnfleyhkmpvlsrgnfnpefigvlsrkqnaakkskitv tyqremdrytnfwnqlhwignnykdenrathtsiyevdwenhtvklidtqskeknpms