Chains and heterogens:
PDB Chain Sequences:
>1sbf_ (-) aetvsfswnkfvpkqpnmilqgdaivtssgklqlnkvdengtpkpsslgralystpihiw dketgsvasfaasfnftfyapdtkrladglafflapidtkpqthagylglfnenesgdqv vavefdtfrnswdppnphiginvnsirsikttswdlannkvakvlitydastsllvaslv ypsqrtsnilsdvvdlktslpewvrigfsaatgldipgeshdvlswsfasnlphassnid pldltsfvlheai
>1sbf_ (-) aetvsfswnkfvpkqpnmilqgdaivtssgklqlnkvdengtpkpsslgralystpihiw dketgsvasfaasfnftfyapdtkrladglafflapidtkpqthagylglfnenesgdqv vavefdtfrnswdppnphiginvnsirsikttswdlannkvakvlitydastsllvaslv ypsqrtsnilsdvvdlktslpewvrigfsaatgldipgeshdvlswsfasnlph