Chains and heterogens:
PDB Chain Sequences:
>1c1aA (A:) prglgplqiwqtdftleprmaprswlavtvdtassaivvtqhgrvtsvavqhhwataiav lgrpkaiktdngscftskstrewlarwgiahttgipgnsqgqamveranrllkdrirvla egdgfmkriptskqgellakamyalnhkergentktpiqkhwrptvltegppvkirietg ewekgwnvlvwgrgyaavknrdtdkviwvpsrkvkpditqk
>1c1aB (B:) lgplqiwqtdftleprmaprswlavtvdtassaivvtqhgrvtsvavqhhwataiavlgr pkaiktdngscftskstrewlarwgiahttgipgnsqgqamveranrllkdrirvlaegd gfmkriptskqgellakamyalnhkergentktpiqkhwrptvltegppvkirietgewe kgwnvlvwgrgyaavknrdtdkviwvpsrkvkpd
>1c1aB (B:) lgplqiwqtdftleprmaprswlavtvdtassaivvtqhgrvtsvavqhhwataiavlgr pkaiktdngscftskstrewlarwgiahttgipgnsqgqamveranrllkdrirvlaegd gfmkriptskqgellakamyalnhkertpiqkhwrptvltegppvkirietgewekgwnv lvwgrgyaavknrdtdkviwvpsrkvkpd