Chains and heterogens:
PDB Chain Sequences:
>1it7A (A:) kmlkfeikardgagrigklevngkkietpaimpvvnpkqmvvepkelekmgfeiiitnsy iiykdeelrrkalelgihrmldyngiievdsgsfqlmkygsievsnreiiefqhrigvdi gtfldiptppdapreqavkeleitlsrareaeeikeipmnatiqgstytdlrryaarrls smnfeihpiggvvpllesyrfrdvvdivisskmalrpdrpvhlfgaghpivfalavamgv dlfdsasyalyakddrymtpegtkrldeldyfpcscpvcskytpqelrempkeertrlla lhnlwvikeeikrvkqaikegelwrlvderarshpklysaykrllehytfleefepitkk salfkisneslrwpvvrrakeraksinerfgelvehpifgrvsrylsltypfaqseaedd fkiekptkedaikyvmaiaeyqfgegasrafddakvelsktgmprqvkvngkrlatvrad dglltlgiegakrlhrvlpyprmrvvvnkeaepfarkgkdvfakfvifadpgirpydevl vvnendellatgqallsgremivfqygravkvrkgve
>1it7B (B:) kmlkfeikardgagrigklevngkkietpaimpvvnpkqmvvepkelekmgfeiiitnsy iiykdeelrrkalelgihrmldyngiievdsgsfqlmkygsievsnreiiefqhrigvdi gtfldiptppdapreqavkeleitlsrareaeeikeipmnatiqgstytdlrryaarrls smnfeihpiggvvpllesyrfrdvvdivisskmalrpdrpvhlfgaghpivfalavamgv dlfdsasyalyakddrymtpegtkrldeldyfpcscpvcskytpqelrempkeertrlla lhnlwvikeeikrvkqaikegelwrlvderarshpklysaykrllehytfleefepitkk salfkisneslrwpvvrrakeraksinerfgelvehpifgrvsrylsltypfaqseaedd fkiekptkedaikyvmaiaeyqfgegasrafddakvelsktgmprqvkvngkrlatvrad dglltlgiegakrlhrvlpyprmrvvvnkeaepfarkgkdvfakfvifadpgirpydevl vvnendellatgqallsgremivfqygravkvrkgve