Chains and heterogens:
PDB Chain Sequences:
>1rvkA (A:) miitdvevrvfrtttrrhsdsaghahpgpahqveqamltvrtedgqeghsftapeivrph viekfvkkvligedhrdrerlwqdlahwqrgsaaqltdrtlavvdcalwdlagrslgqpv ykliggyrdkvlaygsimcgdelegglatpedygrfaetlvkrgykgiklhtwmppvswa pdvkmdlkacaavreavgpdirlmidafhwysrtdalalgrgleklgfdwieepmdeqsl ssykwlsdnldipvvgpesaagkhwhraewikagacdilrtgvndvggitpalktmhlae afgmecevhgntamnlhvvaatkncrwyergllhpfleyddghdylkslsdpmdrdgfvh vpdrpglgedidftfidnnrvr
>1rvkA (A:) miitdvevrvfrtttrrhsdsaghahpgpahqveqamltvrtedgqeghsftapeivrph viekfvkkvligedhrdrerlwqdlahwqrgsaaqltdrtlavvdcalwdlagrslgqpv ykliggyrdkvlaygsimcgdelegglatpedygrfaetlvkrgykgiklhtwmppvswa pdvkmdlkacaavreavgpdirlmidafhwysrtdalalgrgleklgfdwieepmdeqsl ssykwlsdnldipvvgpesaagkhwhraewikagacdilrtgvndvggitpalktmhlae afgmecevhgntamnlhvvaatkncrwyergllhpfleyddghdylkslsdpmdrdgfvh vpdrpglgedidftfidnnrv