Chains and heterogens:
PDB Chain Sequences:
>4s2kA (A:) mrvlalsavflvasiigmpavakewqenkswnahftehksqgvvvlwnenkqqgftnnlk ranqaflpastfkipnslialdlgvvkdehqvfkwdgqtrdiatwnrdhnlitamkysvv pvyqefarqigearmskmlhafdygnedisgnvdsfwldggirisateqisflrklyhnk lhvsersqrivkqamlteangdyiiraktgystriepkigwwvgwvelddnvwffamnmd mptsdglglrqaitkevlkqekiip
>4s2kA (A:) ewqenkswnahftehksqgvvvlwnenkqqgftnnlkranqaflpastfkipnslialdl gvvkdehqvfkwdgqtrdiatwnrdhnlitamkysvvpvyqefarqigearmskmlhafd ygnedisgnvdsfwldggirisateqisflrklyhnklhvsersqrivkqamlteangdy iiraktgystriepkigwwvgwvelddnvwffamnmdmptsdglglrqaitkevlkqeki ip
>4s2kB (B:) mrvlalsavflvasiigmpavakewqenkswnahftehksqgvvvlwnenkqqgftnnlk ranqaflpastfkipnslialdlgvvkdehqvfkwdgqtrdiatwnrdhnlitamkysvv pvyqefarqigearmskmlhafdygnedisgnvdsfwldggirisateqisflrklyhnk lhvsersqrivkqamlteangdyiiraktgystriepkigwwvgwvelddnvwffamnmd mptsdglglrqaitkevlkqekiip
>4s2kB (B:) vakewqenkswnahftehksqgvvvlwnenkqqgftnnlkranqaflpastfkipnslia ldlgvvkdehqvfkwdgqtrdiatwnrdhnlitamkysvvpvyqefarqigearmskmlh afdygnedisgnvdsfwldggirisateqisflrklyhnklhvsersqrivkqamltean gdyiiraktgystriepkigwwvgwvelddnvwffamnmdmptsdglglrqaitkevlkq ekiip
>4s2kC (C:) mrvlalsavflvasiigmpavakewqenkswnahftehksqgvvvlwnenkqqgftnnlk ranqaflpastfkipnslialdlgvvkdehqvfkwdgqtrdiatwnrdhnlitamkysvv pvyqefarqigearmskmlhafdygnedisgnvdsfwldggirisateqisflrklyhnk lhvsersqrivkqamlteangdyiiraktgystriepkigwwvgwvelddnvwffamnmd mptsdglglrqaitkevlkqekiip
>4s2kC (C:) vakewqenkswnahftehksqgvvvlwnenkqqgftnnlkranqaflpastfkipnslia ldlgvvkdehqvfkwdgqtrdiatwnrdhnlitamkysvvpvyqefarqigearmskmlh afdygnedisgnvdsfwldggirisateqisflrklyhnklhvsersqrivkqamltean gdyiiraktgystriepkigwwvgwvelddnvwffamnmdmptsdglglrqaitkevlkq ekiip
>4s2kD (D:) mrvlalsavflvasiigmpavakewqenkswnahftehksqgvvvlwnenkqqgftnnlk ranqaflpastfkipnslialdlgvvkdehqvfkwdgqtrdiatwnrdhnlitamkysvv pvyqefarqigearmskmlhafdygnedisgnvdsfwldggirisateqisflrklyhnk lhvsersqrivkqamlteangdyiiraktgystriepkigwwvgwvelddnvwffamnmd mptsdglglrqaitkevlkqekiip
>4s2kD (D:) ewqenkswnahftehksqgvvvlwnenkqqgftnnlkranqaflpastfkipnslialdl gvvkdehqvfkwdgqtrdiatwnrdhnlitamkysvvpvyqefarqigearmskmlhafd ygnedisgnvdsfwldggirisateqisflrklyhnklhvsersqrivkqamlteangdy iiraktgystriepkigwwvgwvelddnvwffamnmdmptsdglglrqaitkevlkqeki ip