Chains and heterogens:
PDB Chain Sequences:
>1zrsA (A:) mghhhhhhefmtsrpssdqtwqpidgrvaliapasaiatevleatlrqlevhgvdyhlgr hvearyrylagtveqrledlhnafdmpditavwclrggygcgqllpgldwgrleaasprp ligfsdisvllsafhrhglpaihgpvatglglsplsapreqqerlaslasvsrllagidh elpvqhlgghkqrvegaliggnltalacmagtlgglhapagsilvledvgepyyrlersl wqllesidarqlgaiclgsftdcprkevahslerifgeyaaaievplyhhlpsghgaqnr awpygktavlegnrlrw
>1zrsA (A:) pssdqtwqpidgrvaliapasaiatevleatlrqlevhgvdyhlgrhvearyrylagtve qrledlhnafdmpditavwclrggygcgqllpgldwgrleaasprpligfsdisvllsaf hrhglpaihgpvatglglqerlaslasvsrllagidhelpvqhlgghkqrvegaliggnl talacmagtlgglhapagsilvledvgepyyrlerslwqllesidarqlgaiclgsftdc prkevahslerifgeyaaaievplyhhlpsghgaqnrawpygktavlegnrlrw
>1zrsB (B:) mghhhhhhefmtsrpssdqtwqpidgrvaliapasaiatevleatlrqlevhgvdyhlgr hvearyrylagtveqrledlhnafdmpditavwclrggygcgqllpgldwgrleaasprp ligfsdisvllsafhrhglpaihgpvatglglsplsapreqqerlaslasvsrllagidh elpvqhlgghkqrvegaliggnltalacmagtlgglhapagsilvledvgepyyrlersl wqllesidarqlgaiclgsftdcprkevahslerifgeyaaaievplyhhlpsghgaqnr awpygktavlegnrlrw
>1zrsB (B:) sdqtwqpidgrvaliapasaiatevleatlrqlevhgvdyhlgrhvearyrylagtveqr ledlhnafdmpditavwclrggygcgqllpgldwgrleaasprpligfsdisvllsafhr hglpaihgpvatglgleqqerlaslasvsrllagidhelpvqhlgghkqrvegaliggnl talacmagtlgglhapagsilvledvgepyyrlerslwqllesidarqlgaiclgsftdc prkevahslerifgeyaaaievplyhhlpsghgaqnrawpygktavlegnrlrw