Chains and heterogens:
PDB Chain Sequences:
>2cerA (A:) mysfpnsfrfgwsqagfqsemgtpgsedpntdwykwvhdpenmaaglvsgdlpengpgyw gnyktfhdnaqkmglkiarlnvewsrifpnplprpqnfdeskqdvteveinenelkrlde yankdalnhyreifkdlksrglyfilnmyhwplplwlhdpirvrrgdftgpsgwlstrtv yefarfsayiawkfddlvdeystmnepnvvgglgyvgvksgfppgylsfelsrramynii qaharaydgiksvskkpvgiiyanssfqpltdkdmeavemaendnrwwffdaiirgeitr gnekivrddlkgrldwigvnyytrtvvkrtekgyvslggyghgcernsvslaglptsdfg weffpeglydvltkywnryhlymyvtengiaddadyqrpyylvshvyqvhrainsgadvr gylhwsladnyewasgfsmrfgllkvdyntkrlywrpsalvyreiatngaitdeiehlns vppvkplrh
>2cerB (B:) mysfpnsfrfgwsqagfqsemgtpgsedpntdwykwvhdpenmaaglvsgdlpengpgyw gnyktfhdnaqkmglkiarlnvewsrifpnplprpqnfdeskqdvteveinenelkrlde yankdalnhyreifkdlksrglyfilnmyhwplplwlhdpirvrrgdftgpsgwlstrtv yefarfsayiawkfddlvdeystmnepnvvgglgyvgvksgfppgylsfelsrramynii qaharaydgiksvskkpvgiiyanssfqpltdkdmeavemaendnrwwffdaiirgeitr gnekivrddlkgrldwigvnyytrtvvkrtekgyvslggyghgcernsvslaglptsdfg weffpeglydvltkywnryhlymyvtengiaddadyqrpyylvshvyqvhrainsgadvr gylhwsladnyewasgfsmrfgllkvdyntkrlywrpsalvyreiatngaitdeiehlns vppvkplrh