Chains and heterogens:
PDB Chain Sequences:
>4rxcA (A:) mgsshhhhhhssglvprgshmasmpmqmfmqvydeiqmflleelelkfdmdpnrvrylrk mmdttclggkynrgltvidvaesllslspnnngeeddgarrkrvlhdacvcgwmieflqa hylveddimdnsvtrrgkpcwyrhpdvtvqcaindglllkswthmmamhffadrpflqdl lcrfnrvdyttavgqlydvtsmfdsnkldpdvsqptttdfaeftlsnykrivkyktayyt yllplvmglivsealptvdmgvteelamlmgeyfqvqddvmdcftpperlgkvgtdiqda kcswlavtflakassaqvaefkanygsgdsekvatvrrlyeeadlqgdyvayeaavaeqv kelieklrlcspgfaasvetlwgktykrqk
>4rxcA (A:) mpmqmfmqvydeiqmflleelelkfdmdpnrvrylrkmmdttclggkynrgltvidvaes lldgarrkrvlhdacvcgwmieflqahylveddimdnsvtrrgkpcwyrhpdvtvqcain dglllkswthmmamhffadrpflqdllcrfnrvdyttavgqlydvtsmfdsnkldpdvsq ptdfaeftlsnykrivkyktayytyllplvmglivsealptvdmgvteelamlmgeyfqv qddvmdcftpprlgkvgtdiqdakcswlavtflakassaqvaefkanygsgdsekvatvr rlyeeadlqgdyvayeaavaeqvkelieklrlcspgfaasvetlwgktykr
>4rxcB (B:) mgsshhhhhhssglvprgshmasmpmqmfmqvydeiqmflleelelkfdmdpnrvrylrk mmdttclggkynrgltvidvaesllslspnnngeeddgarrkrvlhdacvcgwmieflqa hylveddimdnsvtrrgkpcwyrhpdvtvqcaindglllkswthmmamhffadrpflqdl lcrfnrvdyttavgqlydvtsmfdsnkldpdvsqptttdfaeftlsnykrivkyktayyt yllplvmglivsealptvdmgvteelamlmgeyfqvqddvmdcftpperlgkvgtdiqda kcswlavtflakassaqvaefkanygsgdsekvatvrrlyeeadlqgdyvayeaavaeqv kelieklrlcspgfaasvetlwgktykrqk
>4rxcB (B:) mpmqmfmqvydeiqmflleelelkfdmdpnrvrylrkmmdttclggkynrgltvidvaes llsdgarrkrvlhdacvcgwmieflqahylveddimdnsvtrrgkpcwyrhpdvtvqcai ndglllkswthmmamhffadrpflqdllcrfnrvdyttavgqlydvtsmfdsnkldpdvs qpdfaeftlsnykrivkyktayytyllplvmglivsealptvdmgvteelamlmgeyfqv qddvmdcftpperlgkvgtdiqdakcswlavtflakassaqvaefkanygsgdsekvatv rrlyeeadlqgdyvayeaavaeqvkelieklrlcspgfaasvetlwgktykr