Chains and heterogens:
PDB Chain Sequences:
>2i19A (A:) mgsshhhhhhssglvprgshmasmpmqmfmqvydeiqmflleelelkfdmdpnrvrylrk mmdttclggkynrgltvidvaesllslspnnngeeddgarrkrvlhdacvcgwmieflqa hylveddimdnsvtrrgkpcwyrhpdvtvqcaindglllkswthmmamhffadrpflqdl lcrfnrvdyttavgqlydvtsmfdsnkldpdvsqptttdfaeftlsnykrivkyktayyt yllplvmglivsealptvdmgvteelamlmgeyfqvqddvmdcftpperlgkvgtdiqda kcswlavtflakassaqvaefkanygsgdsekvatvrrlyeeadlqgdyvayeaavaeqv kelieklrlcspgfaasvetlwgktykrqk
>2i19A (A:) mpmqmfmqvydeiqmflleelelkfdmdpnrvrylrkmmdttclggkynrgltvidvaes llslspnnngeeddgarrkrvlhdacvcgwmieflqahylveddimdnsvtrrgkpcwyr hpdvtvqcaindglllkswthmmamhffadrpflqdllcrfnrvdyttavgqlydvtsmf dsnkldpdvsqptttdfaeftlsnykrivkyktayytyllplvmglivsealptvdmgvt eelamlmgeyfqvqddvmdcftpperlgkvgtdiqdakcswlavtflakassaqvaefka nygsgdsekvatvrrlyeeadlqgdyvayeaavaeqvkelieklrlcspgfaasvetlwg ktykrqk
>2i19B (B:) mgsshhhhhhssglvprgshmasmpmqmfmqvydeiqmflleelelkfdmdpnrvrylrk mmdttclggkynrgltvidvaesllslspnnngeeddgarrkrvlhdacvcgwmieflqa hylveddimdnsvtrrgkpcwyrhpdvtvqcaindglllkswthmmamhffadrpflqdl lcrfnrvdyttavgqlydvtsmfdsnkldpdvsqptttdfaeftlsnykrivkyktayyt yllplvmglivsealptvdmgvteelamlmgeyfqvqddvmdcftpperlgkvgtdiqda kcswlavtflakassaqvaefkanygsgdsekvatvrrlyeeadlqgdyvayeaavaeqv kelieklrlcspgfaasvetlwgktykrqk
>2i19B (B:) mpmqmfmqvydeiqmflleelelkfdmdpnrvrylrkmmdttclggkynrgltvidvaes llslseddgarrkrvlhdacvcgwmieflqahylveddimdnsvtrrgkpcwyrhpdvtv qcaindglllkswthmmamhffadrpflqdllcrfnrvdyttavgqlydvtsmfdsnkld pdvsqptttdfaeftlsnykrivkyktayytyllplvmglivsealptvdmgvteelaml mgeyfqvqddvmdcftpperlgkvgtdiqdakcswlavtflakassaqvaefkanygsgd sekvatvrrlyeeadlqgdyvayeaavaeqvkelieklrlcspgfaasvetlwgktykrq k