Chains and heterogens:
PDB Chain Sequences:
>1v2iA (A:) ithdvgikplnpddfwrctsglpslmktpkirlmpgpgllampttvdgcirtpslvindl iyaytsnlitrgcqdigksyqvlqigiitvnsdlvpdlnprishtfnindnrkscslall ntdvyqlcstpkvdersdyaspgiedivldivnydgsisttrfknnnisfdqpyaalyps vgpgiyykgkiiflgygglehpinenvicnttgcpgktqrdcnqashspwfsdrrmvnsi ivvdkglnsipklkvwtismrqnywgsegrllllgnkiyiytrstswhsklqlgiiditd ysdirikwtwhnvlsrpgnnecpwghscpdgcitgvytdayplnptgsivssvildsqks rvnpvitystatervnelailnrtlsagytttscithynkgycfhiveinhkslntlqpm lfkteipkscs
>1v2iB (B:) ithdvgikplnpddfwrctsglpslmktpkirlmpgpgllampttvdgcirtpslvindl iyaytsnlitrgcqdigksyqvlqigiitvnsdlvpdlnprishtfnindnrkscslall ntdvyqlcstpkvdersdyaspgiedivldivnydgsisttrfknnnisfdqpyaalyps vgpgiyykgkiiflgygglehpinenvicnttgcpgktqrdcnqashspwfsdrrmvnsi ivvdkglnsipklkvwtismrqnywgsegrllllgnkiyiytrstswhsklqlgiiditd ysdirikwtwhnvlsrpgnnecpwghscpdgcitgvytdayplnptgsivssvildsqks rvnpvitystatervnelailnrtlsagytttscithynkgycfhiveinhkslntlqpm lfkteipkscs