Chains and heterogens:
PDB Chain Sequences:
>1gzkA (A:) kvtmndfdylkllgkgtfgkvilvrekatgryyamkilrkeviiakdevahtvtesrvlq ntrhpfltalkyafqthdrlcfvmeyanggelffhlsrervfteerarfygaeivsaley lhsrdvvyrdiklenlmldkdghikitdfglckegisdgatmktfcgtpeylapevledn dygravdwwglgvvmyemmcgrlpfynqdherlfelilmeeirfprtlspeaksllagll kkdpkqrlgggpsdakevmehrfflsinwqdvvqkkllppfkpqvtsevdtryfddefta qsititppdrydslg
>1gzkA (A:) kvtmndfdylkllgkgtfgkvilvrekatgryyamkilrkevivtesrvlqntrhpflta lkyafqthdrlcfvmeyanggelffhlsrervfteerarfygaeivsaleylhsrdvvyr diklenlmldkdghikitdfgltpeylapevledndygravdwwglgvvmyemmcgrlpf ynqdherlfelilmeeirfprtlspeaksllagllkkdpkqrlgggpsdakevmehrffl sinwqdvvqkkllppfkpqvtsevdtryfdd