Chains and heterogens:
PDB Chain Sequences:
>3pgk_ (-) slssklsvqdldlkdkrvfirvdfnvpldgkkitsnqrivaalptikyvlehhpryvvla shlgrpngernekyslapvakelqsllgkdvtflndcvgpeveaavkasapgsvillenl ryhieeegsrkvdgqkvkaskedvqkfrhelssladvyindafgtahrahssmvgfdlpq raagfllekelkyfgkalenptrpflailggakvadkiqlidnlldkvdsiiigggmaft fkkvlenteigdsifdkavgpeiaklmekakakgvevvlpvdfiiadafsasantktvtd kegipagwqgldngpesrklfaatvakatvilwngppgvfefekfaagtkalldevvkss aagntviigggdtatvakkygvtdkishvstgggaslellegkelpgvaflsekk