Current Protein Identity：P0AG48
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| UNP | PDB | Protein and construct | Assembly | Composition class | Protein state | Molecular copy count | PDB declaration | Consistency status |
|---|---|---|---|---|---|---|---|---|
| P0AG48 | 11bq | Large ribosomal subunit protein bL21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 4 | 53-meric （53） | Consistent with all polymers |
| P0AG48 | 11dg | Large ribosomal subunit protein bL21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 4 | 53-meric （53） | Consistent with all polymers |
| P0AG48 | 11el | Large ribosomal subunit protein bL21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 4 | 53-meric （53） | Consistent with all polymers |
| P0AG48 | 11fv | Large ribosomal subunit protein bL21 Author chain Z Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 3 | 52-meric （52） | Consistent with all polymers |
| P0AG48 | 28uh | Large ribosomal subunit protein bL21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 6 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 28ui | Large ribosomal subunit protein bL21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 6 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 28uj | Large ribosomal subunit protein bL21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 6 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 28uk | Large ribosomal subunit protein bL21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 6 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 28ul | Large ribosomal subunit protein bL21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 6 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 28um | Large ribosomal subunit protein bL21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 6 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 28un | Large ribosomal subunit protein bL21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 6 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 2j28 | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 31 RNA 3 | 34-meric （34） | Consistent with all polymers |
| P0AG48 | 2rdo | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 32 RNA 2 | 34-meric （34） | Consistent with all polymers |
| P0AG48 | 30qz | Large ribosomal subunit protein bL21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 30 RNA 3 | 33-meric （33） | Consistent with all polymers |
| P0AG48 | 30ra | Large ribosomal subunit protein bL21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 5 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 30rb | Large ribosomal subunit protein bL21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 4 | 53-meric （53） | Consistent with all polymers |
| P0AG48 | 3iy9 | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 19 RNA 1 | eicosameric （20） | Consistent with all polymers |
| P0AG48 | 3j5l | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 30 RNA 4 | 34-meric （34） | Consistent with all polymers |
| P0AG48 | 3j7z | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 32 RNA 3 | 35-meric （35） | Consistent with all polymers |
| P0AG48 | 3j9y | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 53 RNA 5 | 58-meric （58） | Consistent with all polymers |
| P0AG48 | 3j9z | 50S ribosomal protein L21 Author chain LP Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 53 RNA 5 | 58-meric （58） | Consistent with all polymers |
| P0AG48 | 3ja1 | 50S ribosomal protein L21 Author chain LT Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 53 RNA 5 | 58-meric （58） | Consistent with all polymers |
| P0AG48 | 3jbu | 50S ribosomal protein L21 Author chain r Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 5 | 54-meric （54） | Consistent with all polymers |
| P0AG48 | 3jbv | 50S ribosomal protein L21 Author chain r Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 6 | 56-meric （56） | Consistent with all polymers |
| P0AG48 | 3jcd | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 51 RNA 6 | 57-meric （57） | Consistent with all polymers |
| P0AG48 | 3jce | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 51 RNA 7 | 58-meric （58） | Consistent with all polymers |
| P0AG48 | 3jcj | 50S ribosomal protein L21 Author chain Q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 51 RNA 5 | 56-meric （56） | Consistent with all polymers |
| P0AG48 | 3jcn | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 5 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 4csu | 50S RIBOSOMAL PROTEIN L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 31 RNA 2 | 33-meric （33） | Consistent with all polymers |
| P0AG48 | 4u1u | 50S ribosomal protein L21 Author chain BR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 51 RNA 3 | 54-meric （54） | Consistent with all polymers |
| P0AG48 | 4u1u | 50S ribosomal protein L21 Author chain DR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 51 RNA 3 | 54-meric （54） | Consistent with all polymers |
| P0AG48 | 4u1u | 50S ribosomal protein L21 Author chain BR Reference sequence 1–103 | 2 | Protein–RNA | Heteromer | Protein 50 RNA 3 | 53-meric （53） | Consistent with all polymers |
| P0AG48 | 4u1u | 50S ribosomal protein L21 Author chain DR Reference sequence 1–103 | 2 | Protein–RNA | Heteromer | Protein 50 RNA 3 | 53-meric （53） | Consistent with all polymers |
| P0AG48 | 4u1v | 50S ribosomal protein L21 Author chain BR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 51 RNA 3 | 54-meric （54） | Consistent with all polymers |
| P0AG48 | 4u1v | 50S ribosomal protein L21 Author chain DR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 51 RNA 3 | 54-meric （54） | Consistent with all polymers |
| P0AG48 | 4u1v | 50S ribosomal protein L21 Author chain BR Reference sequence 1–103 | 2 | Protein–RNA | Heteromer | Protein 50 RNA 3 | 53-meric （53） | Consistent with all polymers |
| P0AG48 | 4u1v | 50S ribosomal protein L21 Author chain DR Reference sequence 1–103 | 2 | Protein–RNA | Heteromer | Protein 50 RNA 3 | 53-meric （53） | Consistent with all polymers |
| P0AG48 | 4u20 | 50S ribosomal protein L21 Author chain BR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 3 | 53-meric （53） | Consistent with all polymers |
| P0AG48 | 4u20 | 50S ribosomal protein L21 Author chain DR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 3 | 53-meric （53） | Consistent with all polymers |
| P0AG48 | 4u20 | 50S ribosomal protein L21 Author chain BR Reference sequence 1–103 | 2 | Protein–RNA | Heteromer | Protein 49 RNA 3 | 52-meric （52） | Consistent with all polymers |
| P0AG48 | 4u20 | 50S ribosomal protein L21 Author chain DR Reference sequence 1–103 | 2 | Protein–RNA | Heteromer | Protein 49 RNA 3 | 52-meric （52） | Consistent with all polymers |
| P0AG48 | 4u24 | 50S ribosomal protein L21 Author chain BR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 3 | 53-meric （53） | Consistent with all polymers |
| P0AG48 | 4u24 | 50S ribosomal protein L21 Author chain DR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 3 | 53-meric （53） | Consistent with all polymers |
| P0AG48 | 4u24 | 50S ribosomal protein L21 Author chain BR Reference sequence 1–103 | 2 | Protein–RNA | Heteromer | Protein 49 RNA 3 | 52-meric （52） | Consistent with all polymers |
| P0AG48 | 4u24 | 50S ribosomal protein L21 Author chain DR Reference sequence 1–103 | 2 | Protein–RNA | Heteromer | Protein 49 RNA 3 | 52-meric （52） | Consistent with all polymers |
| P0AG48 | 4u25 | 50S ribosomal protein L21 Author chain BR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 3 | 53-meric （53） | Consistent with all polymers |
| P0AG48 | 4u25 | 50S ribosomal protein L21 Author chain DR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 3 | 53-meric （53） | Consistent with all polymers |
| P0AG48 | 4u25 | 50S ribosomal protein L21 Author chain BR Reference sequence 1–103 | 2 | Protein–RNA | Heteromer | Protein 49 RNA 3 | 52-meric （52） | Consistent with all polymers |
| P0AG48 | 4u25 | 50S ribosomal protein L21 Author chain DR Reference sequence 1–103 | 2 | Protein–RNA | Heteromer | Protein 49 RNA 3 | 52-meric （52） | Consistent with all polymers |
| P0AG48 | 4u26 | 50S ribosomal protein L21 Author chain BR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 51 RNA 3 | 54-meric （54） | Consistent with all polymers |
| P0AG48 | 4u26 | 50S ribosomal protein L21 Author chain DR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 51 RNA 3 | 54-meric （54） | Consistent with all polymers |
| P0AG48 | 4u26 | 50S ribosomal protein L21 Author chain BR Reference sequence 1–103 | 2 | Protein–RNA | Heteromer | Protein 50 RNA 3 | 53-meric （53） | Consistent with all polymers |
| P0AG48 | 4u26 | 50S ribosomal protein L21 Author chain DR Reference sequence 1–103 | 2 | Protein–RNA | Heteromer | Protein 50 RNA 3 | 53-meric （53） | Consistent with all polymers |
| P0AG48 | 4u27 | 50S ribosomal protein L21 Author chain BR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 51 RNA 3 | 54-meric （54） | Consistent with all polymers |
| P0AG48 | 4u27 | 50S ribosomal protein L21 Author chain DR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 51 RNA 3 | 54-meric （54） | Consistent with all polymers |
| P0AG48 | 4u27 | 50S ribosomal protein L21 Author chain BR Reference sequence 1–103 | 2 | Protein–RNA | Heteromer | Protein 50 RNA 3 | 53-meric （53） | Consistent with all polymers |
| P0AG48 | 4u27 | 50S ribosomal protein L21 Author chain DR Reference sequence 1–103 | 2 | Protein–RNA | Heteromer | Protein 50 RNA 3 | 53-meric （53） | Consistent with all polymers |
| P0AG48 | 4v50 | 50S ribosomal protein L21 Author chain BR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 5 | 54-meric （54） | Consistent with all polymers |
| P0AG48 | 4v50 | 50S ribosomal protein L21 Author chain DR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 5 | 54-meric （54） | Consistent with all polymers |
| P0AG48 | 4v50 | 50S ribosomal protein L21 Author chain BR Reference sequence 1–103 | 2 | Protein–RNA | Heteromer | Protein 49 RNA 5 | 54-meric （54） | Consistent with all polymers |
| P0AG48 | 4v50 | 50S ribosomal protein L21 Author chain DR Reference sequence 1–103 | 2 | Protein–RNA | Heteromer | Protein 49 RNA 5 | 54-meric （54） | Consistent with all polymers |
| P0AG48 | 4v52 | 50S ribosomal protein L21 Author chain BR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 3 | 52-meric （52） | Consistent with all polymers |
| P0AG48 | 4v52 | 50S ribosomal protein L21 Author chain DR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 3 | 52-meric （52） | Consistent with all polymers |
| P0AG48 | 4v52 | 50S ribosomal protein L21 Author chain BR Reference sequence 1–103 | 2 | Protein–RNA | Heteromer | Protein 49 RNA 3 | 52-meric （52） | Consistent with all polymers |
| P0AG48 | 4v52 | 50S ribosomal protein L21 Author chain DR Reference sequence 1–103 | 2 | Protein–RNA | Heteromer | Protein 49 RNA 3 | 52-meric （52） | Consistent with all polymers |
| P0AG48 | 4v53 | 50S ribosomal protein L21 Author chain BR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 3 | 52-meric （52） | Consistent with all polymers |
| P0AG48 | 4v53 | 50S ribosomal protein L21 Author chain DR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 3 | 52-meric （52） | Consistent with all polymers |
| P0AG48 | 4v53 | 50S ribosomal protein L21 Author chain BR Reference sequence 1–103 | 2 | Protein–RNA | Heteromer | Protein 49 RNA 3 | 52-meric （52） | Consistent with all polymers |
| P0AG48 | 4v53 | 50S ribosomal protein L21 Author chain DR Reference sequence 1–103 | 2 | Protein–RNA | Heteromer | Protein 49 RNA 3 | 52-meric （52） | Consistent with all polymers |
| P0AG48 | 4v54 | 50S ribosomal protein L21 Author chain BR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 3 | 53-meric （53） | Consistent with all polymers |
| P0AG48 | 4v54 | 50S ribosomal protein L21 Author chain DR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 3 | 53-meric （53） | Consistent with all polymers |
| P0AG48 | 4v54 | 50S ribosomal protein L21 Author chain BR Reference sequence 1–103 | 2 | Protein–RNA | Heteromer | Protein 50 RNA 3 | 53-meric （53） | Consistent with all polymers |
| P0AG48 | 4v54 | 50S ribosomal protein L21 Author chain DR Reference sequence 1–103 | 2 | Protein–RNA | Heteromer | Protein 50 RNA 3 | 53-meric （53） | Consistent with all polymers |
| P0AG48 | 4v55 | 50S ribosomal protein L21 Author chain BR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 3 | 53-meric （53） | Consistent with all polymers |
| P0AG48 | 4v55 | 50S ribosomal protein L21 Author chain DR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 3 | 53-meric （53） | Consistent with all polymers |
| P0AG48 | 4v55 | 50S ribosomal protein L21 Author chain BR Reference sequence 1–103 | 2 | Protein–RNA | Heteromer | Protein 50 RNA 3 | 53-meric （53） | Consistent with all polymers |
| P0AG48 | 4v55 | 50S ribosomal protein L21 Author chain DR Reference sequence 1–103 | 2 | Protein–RNA | Heteromer | Protein 50 RNA 3 | 53-meric （53） | Consistent with all polymers |
| P0AG48 | 4v56 | 50S ribosomal protein L21 Author chain BR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 3 | 52-meric （52） | Consistent with all polymers |
| P0AG48 | 4v56 | 50S ribosomal protein L21 Author chain DR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 3 | 52-meric （52） | Consistent with all polymers |
| P0AG48 | 4v56 | 50S ribosomal protein L21 Author chain BR Reference sequence 1–103 | 2 | Protein–RNA | Heteromer | Protein 49 RNA 3 | 52-meric （52） | Consistent with all polymers |
| P0AG48 | 4v56 | 50S ribosomal protein L21 Author chain DR Reference sequence 1–103 | 2 | Protein–RNA | Heteromer | Protein 49 RNA 3 | 52-meric （52） | Consistent with all polymers |
| P0AG48 | 4v57 | 50S ribosomal protein L21 Author chain BR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 3 | 52-meric （52） | Consistent with all polymers |
| P0AG48 | 4v57 | 50S ribosomal protein L21 Author chain DR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 3 | 52-meric （52） | Consistent with all polymers |
| P0AG48 | 4v57 | 50S ribosomal protein L21 Author chain BR Reference sequence 1–103 | 2 | Protein–RNA | Heteromer | Protein 49 RNA 3 | 52-meric （52） | Consistent with all polymers |
| P0AG48 | 4v57 | 50S ribosomal protein L21 Author chain DR Reference sequence 1–103 | 2 | Protein–RNA | Heteromer | Protein 49 RNA 3 | 52-meric （52） | Consistent with all polymers |
| P0AG48 | 4v5h | 50S RIBOSOMAL PROTEIN L21 Author chain BR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 51 RNA 5 | 56-meric （56） | Consistent with all polymers |
| P0AG48 | 4v5y | 50S ribosomal protein L21 Author chain BR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 3 | 53-meric （53） | Consistent with all polymers |
| P0AG48 | 4v5y | 50S ribosomal protein L21 Author chain DR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 3 | 53-meric （53） | Consistent with all polymers |
| P0AG48 | 4v5y | 50S ribosomal protein L21 Author chain BR Reference sequence 1–103 | 2 | Protein–RNA | Heteromer | Protein 50 RNA 3 | 53-meric （53） | Consistent with all polymers |
| P0AG48 | 4v5y | 50S ribosomal protein L21 Author chain DR Reference sequence 1–103 | 2 | Protein–RNA | Heteromer | Protein 50 RNA 3 | 53-meric （53） | Consistent with all polymers |
| P0AG48 | 4v65 | 50S ribosomal protein L21 Author chain BK Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 7 | 57-meric （57） | Consistent with all polymers |
| P0AG48 | 4v66 | 50S ribosomal protein L21 Author chain BK Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 7 | 57-meric （57） | Consistent with all polymers |
| P0AG48 | 4v69 | 50S ribosomal protein L21 Author chain BR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 51 RNA 7 | 58-meric （58） | Consistent with all polymers |
| P0AG48 | 4v6c | 50S ribosomal protein L21 Author chain BR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 3 | 52-meric （52） | Consistent with all polymers |
| P0AG48 | 4v6c | 50S ribosomal protein L21 Author chain DR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 3 | 52-meric （52） | Consistent with all polymers |
| P0AG48 | 4v6c | 50S ribosomal protein L21 Author chain BR Reference sequence 1–103 | 2 | Protein–RNA | Heteromer | Protein 49 RNA 3 | 52-meric （52） | Consistent with all polymers |
| P0AG48 | 4v6c | 50S ribosomal protein L21 Author chain DR Reference sequence 1–103 | 2 | Protein–RNA | Heteromer | Protein 49 RNA 3 | 52-meric （52） | Consistent with all polymers |
| P0AG48 | 4v6d | 50S ribosomal protein L21 Author chain BR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 5 | 54-meric （54） | Consistent with all polymers |
| P0AG48 | 4v6d | 50S ribosomal protein L21 Author chain DR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 5 | 54-meric （54） | Consistent with all polymers |
| P0AG48 | 4v6d | 50S ribosomal protein L21 Author chain BR Reference sequence 1–103 | 2 | Protein–RNA | Heteromer | Protein 49 RNA 5 | 54-meric （54） | Consistent with all polymers |
| P0AG48 | 4v6d | 50S ribosomal protein L21 Author chain DR Reference sequence 1–103 | 2 | Protein–RNA | Heteromer | Protein 49 RNA 5 | 54-meric （54） | Consistent with all polymers |
| P0AG48 | 4v6e | 50S ribosomal protein L21 Author chain BR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 6 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 4v6e | 50S ribosomal protein L21 Author chain DR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 6 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 4v6e | 50S ribosomal protein L21 Author chain BR Reference sequence 1–103 | 2 | Protein–RNA | Heteromer | Protein 49 RNA 6 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 4v6e | 50S ribosomal protein L21 Author chain DR Reference sequence 1–103 | 2 | Protein–RNA | Heteromer | Protein 49 RNA 6 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 4v6k | 50S ribosomal protein L21 Author chain AS Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 52 RNA 6 | 58-meric （58） | Consistent with all polymers |
| P0AG48 | 4v6l | 50S ribosomal protein L21 Author chain BS Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 52 RNA 6 | 58-meric （58） | Consistent with all polymers |
| P0AG48 | 4v6m | 50S ribosomal protein L21 Author chain BR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 55 RNA 5 | 60-meric （60） | Consistent with all polymers |
| P0AG48 | 4v6n | 50S ribosomal protein L21 Author chain AT Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 52 RNA 6 | 58-meric （58） | Consistent with all polymers |
| P0AG48 | 4v6o | 50S ribosomal protein L21 Author chain BT Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 52 RNA 6 | 58-meric （58） | Consistent with all polymers |
| P0AG48 | 4v6p | 50S ribosomal protein L21 Author chain BT Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 52 RNA 6 | 58-meric （58） | Consistent with all polymers |
| P0AG48 | 4v6q | 50S ribosomal protein L21 Author chain BT Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 52 RNA 6 | 58-meric （58） | Consistent with all polymers |
| P0AG48 | 4v6r | 50S ribosomal protein L21 Author chain BT Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 52 RNA 6 | 58-meric （58） | Consistent with all polymers |
| P0AG48 | 4v6s | 50S ribosomal protein L21 Author chain AT Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 52 RNA 5 | 57-meric （57） | Consistent with all polymers |
| P0AG48 | 4v6t | 50S ribosomal protein L21 Author chain BR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 51 RNA 5 | 56-meric （56） | Consistent with all polymers |
| P0AG48 | 4v6v | 50S ribosomal protein L21 Author chain BV Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 53 RNA 5 | 58-meric （58） | Consistent with all polymers |
| P0AG48 | 4v6y | 50S ribosomal protein L19 Author chain BR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 6 | 56-meric （56） | Consistent with all polymers |
| P0AG48 | 4v6z | 50S ribosomal protein L21 Author chain BR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 6 | 56-meric （56） | Consistent with all polymers |
| P0AG48 | 4v70 | 50S ribosomal protein L21 Author chain BR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 6 | 56-meric （56） | Consistent with all polymers |
| P0AG48 | 4v71 | 50S ribosomal protein L21 Author chain BR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 6 | 56-meric （56） | Consistent with all polymers |
| P0AG48 | 4v72 | 50S ribosomal protein L21 Author chain BR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 6 | 56-meric （56） | Consistent with all polymers |
| P0AG48 | 4v73 | 50S ribosomal protein L21 Author chain BR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 6 | 56-meric （56） | Consistent with all polymers |
| P0AG48 | 4v74 | 50S ribosomal protein L21 Author chain BR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 6 | 56-meric （56） | Consistent with all polymers |
| P0AG48 | 4v75 | 50S ribosomal protein L21 Author chain BR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 6 | 56-meric （56） | Consistent with all polymers |
| P0AG48 | 4v76 | 50S ribosomal protein L21 Author chain BR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 6 | 56-meric （56） | Consistent with all polymers |
| P0AG48 | 4v77 | 50S ribosomal protein L21 Author chain BR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 6 | 56-meric （56） | Consistent with all polymers |
| P0AG48 | 4v78 | 50S ribosomal protein L21 Author chain BR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 6 | 56-meric （56） | Consistent with all polymers |
| P0AG48 | 4v79 | 50S ribosomal protein L21 Author chain BR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 6 | 56-meric （56） | Consistent with all polymers |
| P0AG48 | 4v7a | 50S ribosomal protein L21 Author chain BR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 5 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 4v7b | 50S ribosomal protein L21 Author chain BR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 52 RNA 6 | 58-meric （58） | Consistent with all polymers |
| P0AG48 | 4v7c | 50S ribosomal protein L21 Author chain BT Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 52 RNA 6 | 58-meric （58） | Consistent with all polymers |
| P0AG48 | 4v7d | 50S ribosomal protein L21 Author chain AU Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 54 RNA 6 | 60-meric （60） | Consistent with all polymers |
| P0AG48 | 4v7i | 50S ribosomal protein L21 Author chain AR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 53 RNA 3 | 56-meric （56） | Consistent with all polymers |
| P0AG48 | 4v7s | 50S ribosomal protein L21 Author chain BR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 3 | 52-meric （52） | Consistent with all polymers |
| P0AG48 | 4v7s | 50S ribosomal protein L21 Author chain DR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 3 | 52-meric （52） | Consistent with all polymers |
| P0AG48 | 4v7s | 50S ribosomal protein L21 Author chain BR Reference sequence 1–103 | 2 | Protein–RNA | Heteromer | Protein 49 RNA 3 | 52-meric （52） | Consistent with all polymers |
| P0AG48 | 4v7s | 50S ribosomal protein L21 Author chain DR Reference sequence 1–103 | 2 | Protein–RNA | Heteromer | Protein 49 RNA 3 | 52-meric （52） | Consistent with all polymers |
| P0AG48 | 4v7t | 50S ribosomal protein L21 Author chain BR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 3 | 52-meric （52） | Consistent with all polymers |
| P0AG48 | 4v7t | 50S ribosomal protein L21 Author chain DR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 3 | 52-meric （52） | Consistent with all polymers |
| P0AG48 | 4v7t | 50S ribosomal protein L21 Author chain BR Reference sequence 1–103 | 2 | Protein–RNA | Heteromer | Protein 49 RNA 3 | 52-meric （52） | Consistent with all polymers |
| P0AG48 | 4v7t | 50S ribosomal protein L21 Author chain DR Reference sequence 1–103 | 2 | Protein–RNA | Heteromer | Protein 49 RNA 3 | 52-meric （52） | Consistent with all polymers |
| P0AG48 | 4v7u | 50S ribosomal protein L21 Author chain BR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 3 | 52-meric （52） | Consistent with all polymers |
| P0AG48 | 4v7u | 50S ribosomal protein L21 Author chain DR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 3 | 52-meric （52） | Consistent with all polymers |
| P0AG48 | 4v7u | 50S ribosomal protein L21 Author chain BR Reference sequence 1–103 | 2 | Protein–RNA | Heteromer | Protein 49 RNA 3 | 52-meric （52） | Consistent with all polymers |
| P0AG48 | 4v7u | 50S ribosomal protein L21 Author chain DR Reference sequence 1–103 | 2 | Protein–RNA | Heteromer | Protein 49 RNA 3 | 52-meric （52） | Consistent with all polymers |
| P0AG48 | 4v7v | 50S ribosomal protein L21 Author chain BR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 3 | 52-meric （52） | Consistent with all polymers |
| P0AG48 | 4v7v | 50S ribosomal protein L21 Author chain DR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 3 | 52-meric （52） | Consistent with all polymers |
| P0AG48 | 4v7v | 50S ribosomal protein L21 Author chain BR Reference sequence 1–103 | 2 | Protein–RNA | Heteromer | Protein 49 RNA 3 | 52-meric （52） | Consistent with all polymers |
| P0AG48 | 4v7v | 50S ribosomal protein L21 Author chain DR Reference sequence 1–103 | 2 | Protein–RNA | Heteromer | Protein 49 RNA 3 | 52-meric （52） | Consistent with all polymers |
| P0AG48 | 4v89 | 50S ribosomal protein L21 Author chain BV Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 54 RNA 4 | 58-meric （58） | Consistent with all polymers |
| P0AG48 | 4v9c | 50S ribosomal protein L21 Author chain BR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 5 | 54-meric （54） | Consistent with all polymers |
| P0AG48 | 4v9c | 50S ribosomal protein L21 Author chain DR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 5 | 54-meric （54） | Consistent with all polymers |
| P0AG48 | 4v9c | 50S ribosomal protein L21 Author chain BR Reference sequence 1–103 | 2 | Protein–RNA | Heteromer | Protein 50 RNA 5 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 4v9c | 50S ribosomal protein L21 Author chain DR Reference sequence 1–103 | 2 | Protein–RNA | Heteromer | Protein 50 RNA 5 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 4v9d | 50S ribosomal protein L21 Author chain CR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 5 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 4v9d | 50S ribosomal protein L21 Author chain DR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 5 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 4v9d | 50S ribosomal protein L21 Author chain CR Reference sequence 1–103 | 2 | Protein–RNA | Heteromer | Protein 49 RNA 5 | 54-meric （54） | Consistent with all polymers |
| P0AG48 | 4v9d | 50S ribosomal protein L21 Author chain DR Reference sequence 1–103 | 2 | Protein–RNA | Heteromer | Protein 49 RNA 5 | 54-meric （54） | Consistent with all polymers |
| P0AG48 | 4v9o | 50S ribosomal protein L21 Author chain AR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 53 RNA 3 | 56-meric （56） | Consistent with all polymers |
| P0AG48 | 4v9o | 50S ribosomal protein L21 Author chain CR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 53 RNA 3 | 56-meric （56） | Consistent with all polymers |
| P0AG48 | 4v9o | 50S ribosomal protein L21 Author chain ER Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 53 RNA 3 | 56-meric （56） | Consistent with all polymers |
| P0AG48 | 4v9o | 50S ribosomal protein L21 Author chain GR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 53 RNA 3 | 56-meric （56） | Consistent with all polymers |
| P0AG48 | 4v9o | 50S ribosomal protein L21 Author chain AR Reference sequence 1–103 | 2 | Protein–RNA | Heteromer | Protein 52 RNA 3 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 4v9o | 50S ribosomal protein L21 Author chain CR Reference sequence 1–103 | 2 | Protein–RNA | Heteromer | Protein 52 RNA 3 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 4v9o | 50S ribosomal protein L21 Author chain ER Reference sequence 1–103 | 2 | Protein–RNA | Heteromer | Protein 52 RNA 3 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 4v9o | 50S ribosomal protein L21 Author chain GR Reference sequence 1–103 | 2 | Protein–RNA | Heteromer | Protein 52 RNA 3 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 4v9o | 50S ribosomal protein L21 Author chain AR Reference sequence 1–103 | 3 | Protein–RNA | Heteromer | Protein 52 RNA 3 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 4v9o | 50S ribosomal protein L21 Author chain CR Reference sequence 1–103 | 3 | Protein–RNA | Heteromer | Protein 52 RNA 3 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 4v9o | 50S ribosomal protein L21 Author chain ER Reference sequence 1–103 | 3 | Protein–RNA | Heteromer | Protein 52 RNA 3 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 4v9o | 50S ribosomal protein L21 Author chain GR Reference sequence 1–103 | 3 | Protein–RNA | Heteromer | Protein 52 RNA 3 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 4v9o | 50S ribosomal protein L21 Author chain AR Reference sequence 1–103 | 4 | Protein–RNA | Heteromer | Protein 51 RNA 3 | 54-meric （54） | Consistent with all polymers |
| P0AG48 | 4v9o | 50S ribosomal protein L21 Author chain CR Reference sequence 1–103 | 4 | Protein–RNA | Heteromer | Protein 51 RNA 3 | 54-meric （54） | Consistent with all polymers |
| P0AG48 | 4v9o | 50S ribosomal protein L21 Author chain ER Reference sequence 1–103 | 4 | Protein–RNA | Heteromer | Protein 51 RNA 3 | 54-meric （54） | Consistent with all polymers |
| P0AG48 | 4v9o | 50S ribosomal protein L21 Author chain GR Reference sequence 1–103 | 4 | Protein–RNA | Heteromer | Protein 51 RNA 3 | 54-meric （54） | Consistent with all polymers |
| P0AG48 | 4v9p | 50S ribosomal protein L21 Author chain AR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 52 RNA 3 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 4v9p | 50S ribosomal protein L21 Author chain CR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 52 RNA 3 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 4v9p | 50S ribosomal protein L21 Author chain ER Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 52 RNA 3 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 4v9p | 50S ribosomal protein L21 Author chain GR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 52 RNA 3 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 4v9p | 50S ribosomal protein L21 Author chain AR Reference sequence 1–103 | 2 | Protein–RNA | Heteromer | Protein 51 RNA 3 | 54-meric （54） | Consistent with all polymers |
| P0AG48 | 4v9p | 50S ribosomal protein L21 Author chain CR Reference sequence 1–103 | 2 | Protein–RNA | Heteromer | Protein 51 RNA 3 | 54-meric （54） | Consistent with all polymers |
| P0AG48 | 4v9p | 50S ribosomal protein L21 Author chain ER Reference sequence 1–103 | 2 | Protein–RNA | Heteromer | Protein 51 RNA 3 | 54-meric （54） | Consistent with all polymers |
| P0AG48 | 4v9p | 50S ribosomal protein L21 Author chain GR Reference sequence 1–103 | 2 | Protein–RNA | Heteromer | Protein 51 RNA 3 | 54-meric （54） | Consistent with all polymers |
| P0AG48 | 4v9p | 50S ribosomal protein L21 Author chain AR Reference sequence 1–103 | 3 | Protein–RNA | Heteromer | Protein 52 RNA 3 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 4v9p | 50S ribosomal protein L21 Author chain CR Reference sequence 1–103 | 3 | Protein–RNA | Heteromer | Protein 52 RNA 3 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 4v9p | 50S ribosomal protein L21 Author chain ER Reference sequence 1–103 | 3 | Protein–RNA | Heteromer | Protein 52 RNA 3 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 4v9p | 50S ribosomal protein L21 Author chain GR Reference sequence 1–103 | 3 | Protein–RNA | Heteromer | Protein 52 RNA 3 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 4v9p | 50S ribosomal protein L21 Author chain AR Reference sequence 1–103 | 4 | Protein–RNA | Heteromer | Protein 50 RNA 3 | 53-meric （53） | Consistent with all polymers |
| P0AG48 | 4v9p | 50S ribosomal protein L21 Author chain CR Reference sequence 1–103 | 4 | Protein–RNA | Heteromer | Protein 50 RNA 3 | 53-meric （53） | Consistent with all polymers |
| P0AG48 | 4v9p | 50S ribosomal protein L21 Author chain ER Reference sequence 1–103 | 4 | Protein–RNA | Heteromer | Protein 50 RNA 3 | 53-meric （53） | Consistent with all polymers |
| P0AG48 | 4v9p | 50S ribosomal protein L21 Author chain GR Reference sequence 1–103 | 4 | Protein–RNA | Heteromer | Protein 50 RNA 3 | 53-meric （53） | Consistent with all polymers |
| P0AG48 | 4wf1 | 50S ribosomal protein L21 Author chain BR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 3 | 53-meric （53） | Consistent with all polymers |
| P0AG48 | 4wf1 | 50S ribosomal protein L21 Author chain DR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 3 | 53-meric （53） | Consistent with all polymers |
| P0AG48 | 4wf1 | 50S ribosomal protein L21 Author chain BR Reference sequence 1–103 | 2 | Protein–RNA | Heteromer | Protein 49 RNA 3 | 52-meric （52） | Consistent with all polymers |
| P0AG48 | 4wf1 | 50S ribosomal protein L21 Author chain DR Reference sequence 1–103 | 2 | Protein–RNA | Heteromer | Protein 49 RNA 3 | 52-meric （52） | Consistent with all polymers |
| P0AG48 | 4woi | 50S ribosomal protein L21 Author chain BR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 51 RNA 5 | 56-meric （56） | Consistent with all polymers |
| P0AG48 | 4woi | 50S ribosomal protein L21 Author chain CR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 51 RNA 5 | 56-meric （56） | Consistent with all polymers |
| P0AG48 | 4woi | 50S ribosomal protein L21 Author chain BR Reference sequence 1–103 | 2 | Protein–RNA | Heteromer | Protein 49 RNA 5 | 54-meric （54） | Consistent with all polymers |
| P0AG48 | 4woi | 50S ribosomal protein L21 Author chain CR Reference sequence 1–103 | 2 | Protein–RNA | Heteromer | Protein 49 RNA 5 | 54-meric （54） | Consistent with all polymers |
| P0AG48 | 4www | 50S ribosomal protein L21 Author chain RR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 3 | 52-meric （52） | Consistent with all polymers |
| P0AG48 | 4www | 50S ribosomal protein L21 Author chain YR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 3 | 52-meric （52） | Consistent with all polymers |
| P0AG48 | 4www | 50S ribosomal protein L21 Author chain RR Reference sequence 1–103 | 2 | Protein–RNA | Heteromer | Protein 49 RNA 3 | 52-meric （52） | Consistent with all polymers |
| P0AG48 | 4www | 50S ribosomal protein L21 Author chain YR Reference sequence 1–103 | 2 | Protein–RNA | Heteromer | Protein 49 RNA 3 | 52-meric （52） | Consistent with all polymers |
| P0AG48 | 4ybb | 50S ribosomal protein L21 Author chain CS Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 3 | 53-meric （53） | Consistent with all polymers |
| P0AG48 | 4ybb | 50S ribosomal protein L21 Author chain DS Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 3 | 53-meric （53） | Consistent with all polymers |
| P0AG48 | 4ybb | 50S ribosomal protein L21 Author chain CS Reference sequence 1–103 | 2 | Protein–RNA | Heteromer | Protein 49 RNA 3 | 52-meric （52） | Consistent with all polymers |
| P0AG48 | 4ybb | 50S ribosomal protein L21 Author chain DS Reference sequence 1–103 | 2 | Protein–RNA | Heteromer | Protein 49 RNA 3 | 52-meric （52） | Consistent with all polymers |
| P0AG48 | 5ady | 50S RIBOSOMAL PROTEIN L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 32 RNA 2 | 34-meric （34） | Consistent with all polymers |
| P0AG48 | 5afi | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 52 RNA 7 | 59-meric （59） | Consistent with all polymers |
| P0AG48 | 5aka | 50S RIBOSOMAL PROTEIN L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 31 RNA 3 | 34-meric （34） | Consistent with all polymers |
| P0AG48 | 5gad | 50S ribosomal protein L21 Author chain S Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 33 RNA 4 | 37-meric （37） | Consistent with all polymers |
| P0AG48 | 5gae | 50S ribosomal protein L21 Author chain S Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 33 RNA 3 | 36-meric （36） | Consistent with all polymers |
| P0AG48 | 5gaf | 50S ribosomal protein L21 Author chain S Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 32 RNA 4 | 36-meric （36） | Consistent with all polymers |
| P0AG48 | 5gag | 50S ribosomal protein L21 Author chain S Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 32 RNA 4 | 36-meric （36） | Consistent with all polymers |
| P0AG48 | 5gah | 50S ribosomal protein L21 Author chain S Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 32 RNA 4 | 36-meric （36） | Consistent with all polymers |
| P0AG48 | 5h5u | 50S ribosomal protein L21 Author chain S Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 52 RNA 5 | 57-meric （57） | Consistent with all polymers |
| P0AG48 | 5iqr | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 52 RNA 7 | 59-meric （59） | Consistent with all polymers |
| P0AG48 | 5it8 | 50S ribosomal protein L21 Author chain CS Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 3 | 53-meric （53） | Consistent with all polymers |
| P0AG48 | 5it8 | 50S ribosomal protein L21 Author chain DS Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 3 | 53-meric （53） | Consistent with all polymers |
| P0AG48 | 5it8 | 50S ribosomal protein L21 Author chain CS Reference sequence 1–103 | 2 | Protein–RNA | Heteromer | Protein 49 RNA 3 | 52-meric （52） | Consistent with all polymers |
| P0AG48 | 5it8 | 50S ribosomal protein L21 Author chain DS Reference sequence 1–103 | 2 | Protein–RNA | Heteromer | Protein 49 RNA 3 | 52-meric （52） | Consistent with all polymers |
| P0AG48 | 5j5b | 50S ribosomal protein L21 Author chain CS Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 3 | 53-meric （53） | Consistent with all polymers |
| P0AG48 | 5j5b | 50S ribosomal protein L21 Author chain DS Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 3 | 53-meric （53） | Consistent with all polymers |
| P0AG48 | 5j5b | 50S ribosomal protein L21 Author chain CS Reference sequence 1–103 | 2 | Protein–RNA | Heteromer | Protein 49 RNA 3 | 52-meric （52） | Consistent with all polymers |
| P0AG48 | 5j5b | 50S ribosomal protein L21 Author chain DS Reference sequence 1–103 | 2 | Protein–RNA | Heteromer | Protein 49 RNA 3 | 52-meric （52） | Consistent with all polymers |
| P0AG48 | 5j7l | 50S ribosomal protein L21 Author chain CS Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 3 | 53-meric （53） | Consistent with all polymers |
| P0AG48 | 5j7l | 50S ribosomal protein L21 Author chain DS Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 3 | 53-meric （53） | Consistent with all polymers |
| P0AG48 | 5j7l | 50S ribosomal protein L21 Author chain CS Reference sequence 1–103 | 2 | Protein–RNA | Heteromer | Protein 49 RNA 3 | 52-meric （52） | Consistent with all polymers |
| P0AG48 | 5j7l | 50S ribosomal protein L21 Author chain DS Reference sequence 1–103 | 2 | Protein–RNA | Heteromer | Protein 49 RNA 3 | 52-meric （52） | Consistent with all polymers |
| P0AG48 | 5j88 | 50S ribosomal protein L21 Author chain CS Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 3 | 53-meric （53） | Consistent with all polymers |
| P0AG48 | 5j88 | 50S ribosomal protein L21 Author chain DS Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 3 | 53-meric （53） | Consistent with all polymers |
| P0AG48 | 5j88 | 50S ribosomal protein L21 Author chain CS Reference sequence 1–103 | 2 | Protein–RNA | Heteromer | Protein 49 RNA 3 | 52-meric （52） | Consistent with all polymers |
| P0AG48 | 5j88 | 50S ribosomal protein L21 Author chain DS Reference sequence 1–103 | 2 | Protein–RNA | Heteromer | Protein 49 RNA 3 | 52-meric （52） | Consistent with all polymers |
| P0AG48 | 5j8a | 50S ribosomal protein L21 Author chain CS Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 3 | 53-meric （53） | Consistent with all polymers |
| P0AG48 | 5j8a | 50S ribosomal protein L21 Author chain DS Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 3 | 53-meric （53） | Consistent with all polymers |
| P0AG48 | 5j8a | 50S ribosomal protein L21 Author chain CS Reference sequence 1–103 | 2 | Protein–RNA | Heteromer | Protein 49 RNA 3 | 52-meric （52） | Consistent with all polymers |
| P0AG48 | 5j8a | 50S ribosomal protein L21 Author chain DS Reference sequence 1–103 | 2 | Protein–RNA | Heteromer | Protein 49 RNA 3 | 52-meric （52） | Consistent with all polymers |
| P0AG48 | 5j91 | 50S ribosomal protein L21 Author chain CS Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 3 | 53-meric （53） | Consistent with all polymers |
| P0AG48 | 5j91 | 50S ribosomal protein L21 Author chain DS Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 3 | 53-meric （53） | Consistent with all polymers |
| P0AG48 | 5j91 | 50S ribosomal protein L21 Author chain CS Reference sequence 1–103 | 2 | Protein–RNA | Heteromer | Protein 49 RNA 3 | 52-meric （52） | Consistent with all polymers |
| P0AG48 | 5j91 | 50S ribosomal protein L21 Author chain DS Reference sequence 1–103 | 2 | Protein–RNA | Heteromer | Protein 49 RNA 3 | 52-meric （52） | Consistent with all polymers |
| P0AG48 | 5jc9 | 50S ribosomal protein L21 Author chain CS Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 3 | 53-meric （53） | Consistent with all polymers |
| P0AG48 | 5jc9 | 50S ribosomal protein L21 Author chain DS Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 3 | 53-meric （53） | Consistent with all polymers |
| P0AG48 | 5jc9 | 50S ribosomal protein L21 Author chain CS Reference sequence 1–103 | 2 | Protein–RNA | Heteromer | Protein 49 RNA 3 | 52-meric （52） | Consistent with all polymers |
| P0AG48 | 5jc9 | 50S ribosomal protein L21 Author chain DS Reference sequence 1–103 | 2 | Protein–RNA | Heteromer | Protein 49 RNA 3 | 52-meric （52） | Consistent with all polymers |
| P0AG48 | 5jte | 50S ribosomal protein L21 Author chain BR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 7 | 58-meric （58） | Review required |
| P0AG48 | 5ju8 | 50S ribosomal protein L21 Author chain BR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 6 | 56-meric （56） | Consistent with all polymers |
| P0AG48 | 5kcr | 50S ribosomal protein L21 Author chain 1V Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 5 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 5kcs | 50S ribosomal protein L21 Author chain 1V Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 53 RNA 5 | 58-meric （58） | Consistent with all polymers |
| P0AG48 | 5kps | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 52 RNA 6 | 58-meric （58） | Consistent with all polymers |
| P0AG48 | 5kpv | 50S ribosomal protein L21 Author chain Q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 52 RNA 7 | 59-meric （59） | Consistent with all polymers |
| P0AG48 | 5kpw | 50S ribosomal protein L21 Author chain Q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 52 RNA 7 | 59-meric （59） | Consistent with all polymers |
| P0AG48 | 5kpx | 50S ribosomal protein L21 Author chain Q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 52 RNA 7 | 59-meric （59） | Consistent with all polymers |
| P0AG48 | 5l3p | 50S ribosomal protein L21 Author chain V Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 52 RNA 6 | 58-meric （58） | Consistent with all polymers |
| P0AG48 | 5lza | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 5 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 5lzb | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 51 RNA 7 | 58-meric （58） | Consistent with all polymers |
| P0AG48 | 5lzc | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 51 RNA 7 | 58-meric （58） | Consistent with all polymers |
| P0AG48 | 5lzd | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 51 RNA 7 | 58-meric （58） | Consistent with all polymers |
| P0AG48 | 5lze | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 7 | 57-meric （57） | Consistent with all polymers |
| P0AG48 | 5lzf | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 6 | 56-meric （56） | Consistent with all polymers |
| P0AG48 | 5mdv | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 53 RNA 5 | 58-meric （58） | Consistent with all polymers |
| P0AG48 | 5mdw | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 53 RNA 5 | 58-meric （58） | Consistent with all polymers |
| P0AG48 | 5mdy | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 53 RNA 5 | 62-meric （62） | Review required |
| P0AG48 | 5mdz | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 51 RNA 5 | 56-meric （56） | Consistent with all polymers |
| P0AG48 | 5mgp | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 51 RNA 5 | 56-meric （56） | Consistent with all polymers |
| P0AG48 | 5nco | 50S ribosomal protein L21 Author chain S Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 36 RNA 4 | 40-meric （40） | Consistent with all polymers |
| P0AG48 | 5np6 | 50S ribosomal protein L21 Author chain p Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 52 RNA 5 | 57-meric （57） | Consistent with all polymers |
| P0AG48 | 5nwy | 50S ribosomal protein L21 Author chain e Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 51 RNA 5 | 56-meric （56） | Consistent with all polymers |
| P0AG48 | 5o2r | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 53 RNA 5 | 58-meric （58） | Consistent with all polymers |
| P0AG48 | 5u4i | 50S ribosomal protein L21 Author chain S Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 51 RNA 6 | 57-meric （57） | Consistent with all polymers |
| P0AG48 | 5uyk | 50S ribosomal protein L21 Author chain 20 Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 53 RNA 7 | 60-meric （60） | Consistent with all polymers |
| P0AG48 | 5uyl | 50S ribosomal protein L21 Author chain 20 Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 53 RNA 7 | 60-meric （60） | Consistent with all polymers |
| P0AG48 | 5uym | 50S ribosomal protein L21 Author chain 20 Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 53 RNA 7 | 60-meric （60） | Consistent with all polymers |
| P0AG48 | 5uyn | 50S ribosomal protein L21 Author chain 20 Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 53 RNA 7 | 60-meric （60） | Consistent with all polymers |
| P0AG48 | 5uyp | 50S ribosomal protein L21 Author chain 20 Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 53 RNA 7 | 60-meric （60） | Consistent with all polymers |
| P0AG48 | 5uyq | 50S ribosomal protein L21 Author chain 20 Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 53 RNA 7 | 60-meric （60） | Consistent with all polymers |
| P0AG48 | 5wdt | 50S ribosomal protein L21 Author chain R Reference sequence 1–102 | 1 | Protein–RNA | Heteromer | Protein 52 RNA 7 | 59-meric （59） | Consistent with all polymers |
| P0AG48 | 5we4 | 50S ribosomal protein L21 Author chain R Reference sequence 1–102 | 1 | Protein–RNA | Heteromer | Protein 52 RNA 7 | 59-meric （59） | Consistent with all polymers |
| P0AG48 | 5we6 | 50S ribosomal protein L21 Author chain R Reference sequence 1–102 | 1 | Protein–RNA | Heteromer | Protein 52 RNA 7 | 59-meric （59） | Consistent with all polymers |
| P0AG48 | 5wfk | 50S ribosomal protein L21 Author chain R Reference sequence 1–102 | 1 | Protein–RNA | Heteromer | Protein 52 RNA 7 | 59-meric （59） | Consistent with all polymers |
| P0AG48 | 6bu8 | 50S ribosomal protein L21 Author chain 20 Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 53 RNA 7 | 60-meric （60） | Consistent with all polymers |
| P0AG48 | 6by1 | 50S ribosomal protein L21 Author chain CR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 7 | 57-meric （57） | Consistent with all polymers |
| P0AG48 | 6by1 | 50S ribosomal protein L21 Author chain DR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 7 | 57-meric （57） | Consistent with all polymers |
| P0AG48 | 6by1 | 50S ribosomal protein L21 Author chain CR Reference sequence 1–103 | 2 | Protein–RNA | Heteromer | Protein 49 RNA 6 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 6by1 | 50S ribosomal protein L21 Author chain DR Reference sequence 1–103 | 2 | Protein–RNA | Heteromer | Protein 49 RNA 6 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 6c4i | 50S ribosomal protein L21 Author chain S Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 53 RNA 6 | 59-meric （59） | Consistent with all polymers |
| P0AG48 | 6enf | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 48 RNA 5 | 53-meric （53） | Consistent with all polymers |
| P0AG48 | 6enj | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 6 | 56-meric （56） | Consistent with all polymers |
| P0AG48 | 6enu | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 51 RNA 5 | 56-meric （56） | Consistent with all polymers |
| P0AG48 | 6gbz | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 27 RNA 2 | 29-meric （29） | Consistent with all polymers |
| P0AG48 | 6gc0 | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 26 RNA 2 | 28-meric （28） | Consistent with all polymers |
| P0AG48 | 6gc4 | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 24 RNA 2 | 26-meric （26） | Consistent with all polymers |
| P0AG48 | 6gc6 | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 18 RNA 1 | nonadecameric （19） | Consistent with all polymers |
| P0AG48 | 6gc7 | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 16 RNA 1 | heptadecameric （17） | Consistent with all polymers |
| P0AG48 | 6gc8 | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 27 RNA 2 | 29-meric （29） | Consistent with all polymers |
| P0AG48 | 6gwt | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 53 RNA 5 | 58-meric （58） | Consistent with all polymers |
| P0AG48 | 6gxm | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 53 RNA 5 | 58-meric （58） | Consistent with all polymers |
| P0AG48 | 6gxn | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 53 RNA 5 | 58-meric （58） | Consistent with all polymers |
| P0AG48 | 6gxo | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 53 RNA 5 | 58-meric （58） | Consistent with all polymers |
| P0AG48 | 6gxp | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 52 RNA 3 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 6h4n | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 52 RNA 5 | 57-meric （57） | Consistent with all polymers |
| P0AG48 | 6h58 | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 104 RNA 8 | 112-meric （112） | Consistent with all polymers |
| P0AG48 | 6h58 | 50S ribosomal protein L21 Author chain RR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 104 RNA 8 | 112-meric （112） | Consistent with all polymers |
| P0AG48 | 6hrm | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 51 RNA 2 | 53-meric （53） | Consistent with all polymers |
| P0AG48 | 6i0y | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 33 RNA 3 | 36-meric （36） | Consistent with all polymers |
| P0AG48 | 6i7v | 50S ribosomal protein L21 Author chain CS Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 99 RNA 6 | 105-meric （105） | Consistent with all polymers |
| P0AG48 | 6i7v | 50S ribosomal protein L21 Author chain DS Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 99 RNA 6 | 105-meric （105） | Consistent with all polymers |
| P0AG48 | 6ofx | 50S ribosomal protein L21 Author chain r Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 5 | 54-meric （54） | Consistent with all polymers |
| P0AG48 | 6og7 | 50S ribosomal protein L21 Author chain r Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 5 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 6q97 | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 53 RNA 7 | 60-meric （60） | Consistent with all polymers |
| P0AG48 | 6q98 | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 53 RNA 4 | 57-meric （57） | Consistent with all polymers |
| P0AG48 | 6q9a | 50S ribosomal protein L21 Author chain R Reference sequence 1–102 | 1 | Protein–RNA | Heteromer | Protein 53 RNA 5 | 58-meric （58） | Consistent with all polymers |
| P0AG48 | 6qul | 50S ribosomal protein L21 Author chain S Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 28 RNA 3 | 31-meric （31） | Consistent with all polymers |
| P0AG48 | 6s0k | 50S ribosomal protein L21 Author chain S Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 32 RNA 3 | 35-meric （35） | Consistent with all polymers |
| P0AG48 | 6szs | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 51 RNA 5 | 56-meric （56） | Consistent with all polymers |
| P0AG48 | 6tbv | 50S ribosomal protein L21 Author chain L211 Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 5 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 6tc3 | 50S ribosomal protein L21 Author chain L211 Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 5 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 6vwl | 50S ribosomal protein L21 Author chain P Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 48 RNA 5 | 53-meric （53） | Consistent with all polymers |
| P0AG48 | 6vwm | 50S ribosomal protein L21 Author chain P Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 48 RNA 5 | 53-meric （53） | Consistent with all polymers |
| P0AG48 | 6vwn | 50S ribosomal protein L21 Author chain P Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 48 RNA 5 | 53-meric （53） | Consistent with all polymers |
| P0AG48 | 6wd6 | 50S ribosomal protein L21 Author chain r Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 52 RNA 7 | 59-meric （59） | Consistent with all polymers |
| P0AG48 | 6wdb | 50S ribosomal protein L21 Author chain r Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 51 RNA 7 | 58-meric （58） | Consistent with all polymers |
| P0AG48 | 6wdc | 50S ribosomal protein L21 Author chain r Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 51 RNA 7 | 58-meric （58） | Consistent with all polymers |
| P0AG48 | 6wdd | 50S ribosomal protein L21 Author chain r Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 51 RNA 7 | 58-meric （58） | Consistent with all polymers |
| P0AG48 | 6wde | 50S ribosomal protein L21 Author chain r Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 51 RNA 7 | 58-meric （58） | Consistent with all polymers |
| P0AG48 | 6wdf | 50S ribosomal protein L21 Author chain r Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 51 RNA 6 | 57-meric （57） | Consistent with all polymers |
| P0AG48 | 6wdg | 50S ribosomal protein L21 Author chain r Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 51 RNA 6 | 57-meric （57） | Consistent with all polymers |
| P0AG48 | 6wdh | 50S ribosomal protein L21 Author chain r Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 51 RNA 7 | 58-meric （58） | Consistent with all polymers |
| P0AG48 | 6wdi | 50S ribosomal protein L21 Author chain r Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 51 RNA 7 | 58-meric （58） | Consistent with all polymers |
| P0AG48 | 6wdj | 50S ribosomal protein L21 Author chain r Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 51 RNA 7 | 58-meric （58） | Consistent with all polymers |
| P0AG48 | 6wdk | 50S ribosomal protein L21 Author chain r Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 51 RNA 7 | 58-meric （58） | Consistent with all polymers |
| P0AG48 | 6wdl | 50S ribosomal protein L21 Author chain r Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 51 RNA 7 | 58-meric （58） | Consistent with all polymers |
| P0AG48 | 6wdm | 50S ribosomal protein L21 Author chain r Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 51 RNA 7 | 58-meric （58） | Consistent with all polymers |
| P0AG48 | 6wnt | 50S ribosomal protein L21 Author chain r Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 30 RNA 1 | 31-meric （31） | Consistent with all polymers |
| P0AG48 | 6wnv | 50S ribosomal protein L21 Author chain r Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 2 | 52-meric （52） | Consistent with all polymers |
| P0AG48 | 6wnw | 50S ribosomal protein L21 Author chain r Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 52 RNA 5 | 57-meric （57） | Consistent with all polymers |
| P0AG48 | 6xz7 | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 29 RNA 4 | 33-meric （33） | Consistent with all polymers |
| P0AG48 | 6xza | 50S ribosomal protein L21 Author chain R2 Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 4 | 53-meric （53） | Consistent with all polymers |
| P0AG48 | 6xzb | 50S ribosomal protein L21 Author chain R2 Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 5 | 54-meric （54） | Consistent with all polymers |
| P0AG48 | 6y69 | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 4 | 54-meric （54） | Consistent with all polymers |
| P0AG48 | 6ysr | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 52 RNA 5 | 57-meric （57） | Consistent with all polymers |
| P0AG48 | 6yss | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 53 RNA 5 | 58-meric （58） | Consistent with all polymers |
| P0AG48 | 6yst | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 53 RNA 5 | 58-meric （58） | Consistent with all polymers |
| P0AG48 | 6ysu | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 52 RNA 5 | 57-meric （57） | Consistent with all polymers |
| P0AG48 | 6ztj | 50S ribosomal protein L21 Author chain BS Reference sequence 1–103 | 1 | Other combination | Heteromer | Protein 58 DNA 2 RNA 6 | 66-meric （66） | Consistent with all polymers |
| P0AG48 | 6ztl | 50S ribosomal protein L21 Author chain BS Reference sequence 1–103 | 1 | Other combination | Heteromer | Protein 54 DNA 2 RNA 6 | 62-meric （62） | Consistent with all polymers |
| P0AG48 | 6ztm | 50S ribosomal protein L21 Author chain BS Reference sequence 1–103 | 1 | Other combination | Heteromer | Protein 52 DNA 2 RNA 6 | 60-meric （60） | Consistent with all polymers |
| P0AG48 | 6ztn | 50S ribosomal protein L21 Author chain BS Reference sequence 1–103 | 1 | Other combination | Heteromer | Protein 54 DNA 2 RNA 7 | 63-meric （63） | Consistent with all polymers |
| P0AG48 | 6zto | 50S ribosomal protein L21 Author chain BS Reference sequence 1–103 | 1 | Other combination | Heteromer | Protein 54 DNA 2 RNA 6 | 62-meric （62） | Consistent with all polymers |
| P0AG48 | 6ztp | 50S ribosomal protein L21 Author chain BS Reference sequence 1–103 | 1 | Other combination | Heteromer | Protein 54 DNA 2 RNA 6 | 62-meric （62） | Consistent with all polymers |
| P0AG48 | 6zu1 | 50S ribosomal protein L21 Author chain BS Reference sequence 1–103 | 1 | Other combination | Heteromer | Protein 54 DNA 2 RNA 6 | 62-meric （62） | Consistent with all polymers |
| P0AG48 | 7abz | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 52 RNA 6 | 58-meric （58） | Consistent with all polymers |
| P0AG48 | 7ac7 | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 52 RNA 6 | 58-meric （58） | Consistent with all polymers |
| P0AG48 | 7acj | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 51 RNA 4 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 7acr | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 51 RNA 4 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 7b5k | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 7 | 57-meric （57） | Consistent with all polymers |
| P0AG48 | 7bl2 | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 29 RNA 2 | 31-meric （31） | Consistent with all polymers |
| P0AG48 | 7bl3 | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 29 RNA 2 | 31-meric （31） | Consistent with all polymers |
| P0AG48 | 7bl4 | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 31 RNA 2 | 33-meric （33） | Consistent with all polymers |
| P0AG48 | 7bl5 | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 33 RNA 2 | 35-meric （35） | Consistent with all polymers |
| P0AG48 | 7bl6 | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 30 RNA 2 | 32-meric （32） | Consistent with all polymers |
| P0AG48 | 7bv8 | 50S ribosomal protein L21 Author chain S Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 30 RNA 2 | 32-meric （32） | Consistent with all polymers |
| P0AG48 | 7d6z | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 52 RNA 6 | 58-meric （58） | Consistent with all polymers |
| P0AG48 | 7d80 | 50S ribosomal protein L21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 51 RNA 6 | 57-meric （57） | Consistent with all polymers |
| P0AG48 | 7jss | 50S ribosomal protein L21 Author chain r Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 5 | 54-meric （54） | Consistent with all polymers |
| P0AG48 | 7jsw | 50S ribosomal protein L21 Author chain r Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 5 | 54-meric （54） | Consistent with all polymers |
| P0AG48 | 7jsz | 50S ribosomal protein L21 Author chain r Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 52 RNA 5 | 57-meric （57） | Consistent with all polymers |
| P0AG48 | 7jt1 | 50S ribosomal protein L21 Author chain r Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 5 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 7jt2 | 50S ribosomal protein L21 Author chain r Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 5 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 7jt3 | 50S ribosomal protein L21 Author chain r Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 53 RNA 5 | 58-meric （58） | Consistent with all polymers |
| P0AG48 | 7k50 | 50S ribosomal protein L21 Author chain r Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 52 RNA 7 | 59-meric （59） | Consistent with all polymers |
| P0AG48 | 7k51 | 50S ribosomal protein L21 Author chain r Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 53 RNA 6 | 59-meric （59） | Consistent with all polymers |
| P0AG48 | 7k52 | 50S ribosomal protein L21 Author chain r Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 53 RNA 6 | 59-meric （59） | Consistent with all polymers |
| P0AG48 | 7k53 | 50S ribosomal protein L21 Author chain r Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 52 RNA 7 | 59-meric （59） | Consistent with all polymers |
| P0AG48 | 7k54 | 50S ribosomal protein L21 Author chain r Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 53 RNA 6 | 59-meric （59） | Consistent with all polymers |
| P0AG48 | 7k55 | 50S ribosomal protein L21 Author chain r Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 53 RNA 6 | 59-meric （59） | Consistent with all polymers |
| P0AG48 | 7lv0 | 50S ribosomal protein L21 Author chain r Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 52 RNA 6 | 58-meric （58） | Consistent with all polymers |
| P0AG48 | 7n1p | 50S ribosomal protein L21 Author chain LU Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 52 RNA 6 | 58-meric （58） | Consistent with all polymers |
| P0AG48 | 7n2c | 50S ribosomal protein L21 Author chain LU Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 55 RNA 6 | 61-meric （61） | Consistent with all polymers |
| P0AG48 | 7n2u | 50S ribosomal protein L21 Author chain LU Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 6 | 56-meric （56） | Consistent with all polymers |
| P0AG48 | 7n2v | 50S ribosomal protein L21 Author chain LU Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 53 RNA 6 | 59-meric （59） | Consistent with all polymers |
| P0AG48 | 7n30 | 50S ribosomal protein L21 Author chain LU Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 6 | 56-meric （56） | Consistent with all polymers |
| P0AG48 | 7n31 | 50S ribosomal protein L21 Author chain LU Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 6 | 56-meric （56） | Consistent with all polymers |
| P0AG48 | 7nbu | 50S ribosomal protein L21 Author chain q Reference sequence 1–103 | 1 | Insufficient information | Heteromer | Protein 50 RNA 6 | 56-meric （56） | Consistent with all polymers |
| P0AG48 | 7nso | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 5 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 7nsp | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 6 | 56-meric （56） | Consistent with all polymers |
| P0AG48 | 7nsq | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 6 | 56-meric （56） | Consistent with all polymers |
| P0AG48 | 7nwt | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 54 RNA 5 | 59-meric （59） | Consistent with all polymers |
| P0AG48 | 7nww | 50S ribosomal protein L21 Author chain Q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 5 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 7o19 | 50S ribosomal protein L21 Author chain BR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 5 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 7o1a | 50S ribosomal protein L21 Author chain BR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 5 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 7o1c | 50S ribosomal protein L21 Author chain BR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 51 RNA 5 | 56-meric （56） | Consistent with all polymers |
| P0AG48 | 7ode | 50S ribosomal protein L21 Author chain Z Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 15 RNA 1 | hexadecameric （16） | Consistent with all polymers |
| P0AG48 | 7oif | 50S ribosomal protein L21 Author chain Q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 5 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 7oig | 50S ribosomal protein L21 Author chain Q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 5 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 7oii | 50S ribosomal protein L21 Author chain Q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 5 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 7oiz | 50S ribosomal protein L21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 5 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 7oj0 | 50S ribosomal protein L21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 54 RNA 5 | 59-meric （59） | Consistent with all polymers |
| P0AG48 | 7ot5 | 50S ribosomal protein L21 Author chain Q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 5 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 7p3k | 50S ribosomal protein L21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 5 | 54-meric （54） | Consistent with all polymers |
| P0AG48 | 7pjs | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 52 RNA 6 | 58-meric （58） | Consistent with all polymers |
| P0AG48 | 7pjt | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 52 RNA 6 | 58-meric （58） | Consistent with all polymers |
| P0AG48 | 7pjv | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 53 RNA 6 | 59-meric （59） | Consistent with all polymers |
| P0AG48 | 7pjw | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 53 RNA 6 | 59-meric （59） | Consistent with all polymers |
| P0AG48 | 7pjx | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 53 RNA 6 | 59-meric （59） | Consistent with all polymers |
| P0AG48 | 7pjy | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 53 RNA 6 | 59-meric （59） | Consistent with all polymers |
| P0AG48 | 7pjz | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 53 RNA 6 | 59-meric （59） | Consistent with all polymers |
| P0AG48 | 7q4k | 50S ribosomal protein L21 Author chain BR Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 6 | 56-meric （56） | Consistent with all polymers |
| P0AG48 | 7qg8 | 50S ribosomal protein L21 Author chain e Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 52 RNA 5 | 57-meric （57） | Consistent with all polymers |
| P0AG48 | 7qgh | 50S ribosomal protein L21 Author chain e Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 52 RNA 6 | 58-meric （58） | Consistent with all polymers |
| P0AG48 | 7qgn | 50S ribosomal protein L21 Author chain e Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 53 RNA 5 | 58-meric （58） | Consistent with all polymers |
| P0AG48 | 7qgr | 50S ribosomal protein L21 Author chain e Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 53 RNA 6 | 59-meric （59） | Consistent with all polymers |
| P0AG48 | 7qq3 | 50S ribosomal protein L21 Author chain Z Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 27 RNA 2 | 29-meric （29） | Consistent with all polymers |
| P0AG48 | 7ss9 | 50S ribosomal protein L21 Author chain r Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 51 RNA 6 | 57-meric （57） | Consistent with all polymers |
| P0AG48 | 7ssd | 50S ribosomal protein L21 Author chain r Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 52 RNA 6 | 58-meric （58） | Consistent with all polymers |
| P0AG48 | 7ssl | 50S ribosomal protein L21 Author chain r Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 52 RNA 6 | 58-meric （58） | Consistent with all polymers |
| P0AG48 | 7ssn | 50S ribosomal protein L21 Author chain r Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 48 RNA 6 | 54-meric （54） | Consistent with all polymers |
| P0AG48 | 7sso | 50S ribosomal protein L21 Author chain r Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 52 RNA 6 | 58-meric （58） | Consistent with all polymers |
| P0AG48 | 7ssw | 50S ribosomal protein L21 Author chain r Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 6 | 56-meric （56） | Consistent with all polymers |
| P0AG48 | 7st2 | 50S ribosomal protein L21 Author chain r Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 52 RNA 6 | 58-meric （58） | Consistent with all polymers |
| P0AG48 | 7st6 | 50S ribosomal protein L21 Author chain r Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 7 | 57-meric （57） | Consistent with all polymers |
| P0AG48 | 7st7 | 50S ribosomal protein L21 Author chain r Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 53 RNA 6 | 59-meric （59） | Consistent with all polymers |
| P0AG48 | 7y7c | 50S ribosomal protein L21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 6 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 7y7d | 50S ribosomal protein L21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 6 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 7y7e | 50S ribosomal protein L21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 6 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 7y7f | 50S ribosomal protein L21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 6 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 7y7g | 50S ribosomal protein L21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 6 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 7y7h | 50S ribosomal protein L21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 6 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 7yla | 50S ribosomal protein L21 Author chain Z Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 30 RNA 2 | 32-meric （32） | Consistent with all polymers |
| P0AG48 | 7z20 | 50S ribosomal protein L21 Author chain r Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 29 RNA 3 | 32-meric （32） | Consistent with all polymers |
| P0AG48 | 7zod | 50S ribosomal protein L21 Author chain r Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 28 RNA 3 | 31-meric （31） | Consistent with all polymers |
| P0AG48 | 7zp8 | 50S ribosomal protein L21 Author chain r Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 29 RNA 3 | 32-meric （32） | Consistent with all polymers |
| P0AG48 | 7zq5 | 50S ribosomal protein L21 Author chain r Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 28 RNA 2 | 30-meric （30） | Consistent with all polymers |
| P0AG48 | 7zq6 | 50S ribosomal protein L21 Author chain r Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 29 RNA 3 | 32-meric （32） | Consistent with all polymers |
| P0AG48 | 7zta | 50S ribosomal protein L21 Author chain L211 Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 7 | 57-meric （57） | Consistent with all polymers |
| P0AG48 | 8a3l | 50S ribosomal protein L21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 6 | 56-meric （56） | Consistent with all polymers |
| P0AG48 | 8ap4 | 50S ribosomal protein L21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 30 RNA 3 | 33-meric （33） | Consistent with all polymers |
| P0AG48 | 8aye | 50S ribosomal protein L21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 6 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 8b0x | 50S ribosomal protein L21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 48 RNA 5 | 53-meric （53） | Consistent with all polymers |
| P0AG48 | 8b7y | 50S ribosomal protein L21 Author chain Z Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 47 RNA 5 | 52-meric （52） | Consistent with all polymers |
| P0AG48 | 8bf7 | 50S ribosomal protein L21 Author chain O Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 6 | 56-meric （56） | Consistent with all polymers |
| P0AG48 | 8bge | 50S ribosomal protein L21 Author chain O Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 48 RNA 5 | 53-meric （53） | Consistent with all polymers |
| P0AG48 | 8bgh | 50S ribosomal protein L21 Author chain O Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 5 | 54-meric （54） | Consistent with all polymers |
| P0AG48 | 8bh4 | 50S ribosomal protein L21 Author chain O Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 6 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 8bhj | 50S ribosomal protein L21 Author chain O Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 6 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 8bhl | 50S ribosomal protein L21 Author chain O Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 48 RNA 5 | 53-meric （53） | Consistent with all polymers |
| P0AG48 | 8bhn | 50S ribosomal protein L21 Author chain O Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 6 | 56-meric （56） | Consistent with all polymers |
| P0AG48 | 8bhp | 50S ribosomal protein L21 Author chain O Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 5 | 54-meric （54） | Consistent with all polymers |
| P0AG48 | 8bil | 50S ribosomal protein L21 Author chain O Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 5 | 54-meric （54） | Consistent with all polymers |
| P0AG48 | 8bim | 50S ribosomal protein L21 Author chain O Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 5 | 54-meric （54） | Consistent with all polymers |
| P0AG48 | 8c8x | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 26 RNA 2 | 28-meric （28） | Consistent with all polymers |
| P0AG48 | 8c8y | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 23 RNA 2 | 25-meric （25） | Consistent with all polymers |
| P0AG48 | 8c8z | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 22 RNA 2 | 24-meric （24） | Consistent with all polymers |
| P0AG48 | 8c90 | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 20 RNA 2 | 22-meric （22） | Consistent with all polymers |
| P0AG48 | 8c91 | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 17 RNA 1 | octadecameric （18） | Consistent with all polymers |
| P0AG48 | 8c92 | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 16 RNA 1 | heptadecameric （17） | Consistent with all polymers |
| P0AG48 | 8c93 | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 16 RNA 1 | heptadecameric （17） | Consistent with all polymers |
| P0AG48 | 8c94 | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 19 RNA 2 | 21-meric （21） | Consistent with all polymers |
| P0AG48 | 8c95 | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 14 RNA 2 | hexadecameric （16） | Consistent with all polymers |
| P0AG48 | 8c96 | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 15 RNA 1 | hexadecameric （16） | Consistent with all polymers |
| P0AG48 | 8c98 | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 11 RNA 1 | dodecameric （12） | Consistent with all polymers |
| P0AG48 | 8c99 | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 10 RNA 1 | undecameric （11） | Consistent with all polymers |
| P0AG48 | 8cam | Large ribosomal subunit protein bL21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 26 RNA 2 | 28-meric （28） | Consistent with all polymers |
| P0AG48 | 8ceu | Large ribosomal subunit protein bL21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 36 RNA 2 | 38-meric （38） | Consistent with all polymers |
| P0AG48 | 8cgd | Large ribosomal subunit protein bL21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 28 RNA 2 | 30-meric （30） | Consistent with all polymers |
| P0AG48 | 8cgk | Large ribosomal subunit protein bL21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 26 RNA 2 | 28-meric （28） | Consistent with all polymers |
| P0AG48 | 8cgv | Large ribosomal subunit protein bL21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 27 RNA 2 | 29-meric （29） | Consistent with all polymers |
| P0AG48 | 8hsp | 50S ribosomal protein L21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 6 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 8htz | 50S ribosomal protein L21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 6 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 8hu1 | 50S ribosomal protein L21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 6 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 8ifb | 50S ribosomal protein L21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 6 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 8ifc | 50S ribosomal protein L21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 6 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 8j1z | 50S ribosomal protein L21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 25 RNA 2 | 27-meric （27） | Consistent with all polymers |
| P0AG48 | 8p16 | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 51 RNA 5 | 56-meric （56） | Consistent with all polymers |
| P0AG48 | 8p17 | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 51 RNA 5 | 56-meric （56） | Consistent with all polymers |
| P0AG48 | 8p18 | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 51 RNA 5 | 56-meric （56） | Consistent with all polymers |
| P0AG48 | 8peg | 50S ribosomal protein L21 Author chain u Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 54 RNA 7 | 61-meric （61） | Consistent with all polymers |
| P0AG48 | 8phj | Large ribosomal subunit protein bL21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 54 RNA 7 | 61-meric （61） | Consistent with all polymers |
| P0AG48 | 8pkl | 50S ribosomal protein L21 Author chain u Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 53 RNA 7 | 60-meric （60） | Consistent with all polymers |
| P0AG48 | 8pva | 50S ribosomal protein L21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 7 | 56-meric （56） | Consistent with all polymers |
| P0AG48 | 8qbt | Large ribosomal subunit protein bL21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 45 RNA 7 | 52-meric （52） | Consistent with all polymers |
| P0AG48 | 8qk7 | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 51 RNA 5 | 56-meric （56） | Consistent with all polymers |
| P0AG48 | 8qoa | Large ribosomal subunit protein bL21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 7 | 57-meric （57） | Consistent with all polymers |
| P0AG48 | 8r6c | Large ribosomal subunit protein bL21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 7 | 57-meric （57） | Consistent with all polymers |
| P0AG48 | 8r8m | Large ribosomal subunit protein bL21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 6 | 56-meric （56） | Consistent with all polymers |
| P0AG48 | 8rpy | Large ribosomal subunit protein bL21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 31 RNA 2 | 33-meric （33） | Consistent with all polymers |
| P0AG48 | 8rpz | Large ribosomal subunit protein bL21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 32 RNA 2 | 34-meric （34） | Consistent with all polymers |
| P0AG48 | 8rq0 | Large ribosomal subunit protein bL21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 32 RNA 2 | 34-meric （34） | Consistent with all polymers |
| P0AG48 | 8rq2 | Large ribosomal subunit protein bL21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 32 RNA 2 | 34-meric （34） | Consistent with all polymers |
| P0AG48 | 8w51 | 50S ribosomal protein L21 Author chain S Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 30 RNA 2 | 32-meric （32） | Consistent with all polymers |
| P0AG48 | 8y5k | 50S ribosomal protein L21 Author chain r Reference sequence 1–103 | 1 | Other combination | Heteromer | Protein 59 DNA 2 RNA 6 | 67-meric （67） | Consistent with all polymers |
| P0AG48 | 8y5l | 50S ribosomal protein L21 Author chain r Reference sequence 1–103 | 1 | Other combination | Heteromer | Protein 58 DNA 2 RNA 7 | 67-meric （67） | Consistent with all polymers |
| P0AG48 | 8y5m | 50S ribosomal protein L21 Author chain r Reference sequence 1–103 | 1 | Other combination | Heteromer | Protein 60 DNA 2 RNA 6 | 68-meric （68） | Consistent with all polymers |
| P0AG48 | 8y5n | 50S ribosomal protein L21 Author chain r Reference sequence 1–103 | 1 | Other combination | Heteromer | Protein 59 DNA 2 RNA 6 | 67-meric （67） | Consistent with all polymers |
| P0AG48 | 8y5o | 50S ribosomal protein L21 Author chain r Reference sequence 1–103 | 1 | Other combination | Heteromer | Protein 60 DNA 2 RNA 6 | 68-meric （68） | Consistent with all polymers |
| P0AG48 | 8y5p | 50S ribosomal protein L21 Author chain r Reference sequence 1–103 | 1 | Other combination | Heteromer | Protein 60 DNA 2 RNA 5 | 67-meric （67） | Consistent with all polymers |
| P0AG48 | 8y5q | 50S ribosomal protein L21 Author chain r Reference sequence 1–103 | 1 | Other combination | Heteromer | Protein 59 DNA 2 RNA 5 | 66-meric （66） | Consistent with all polymers |
| P0AG48 | 8y5r | 50S ribosomal protein L21 Author chain r Reference sequence 1–103 | 1 | Other combination | Heteromer | Protein 58 DNA 2 RNA 6 | 66-meric （66） | Consistent with all polymers |
| P0AG48 | 8y5s | 50S ribosomal protein L21 Author chain r Reference sequence 1–103 | 1 | Other combination | Heteromer | Protein 58 DNA 2 RNA 6 | 66-meric （66） | Consistent with all polymers |
| P0AG48 | 8y5t | 50S ribosomal protein L21 Author chain r Reference sequence 1–103 | 1 | Other combination | Heteromer | Protein 58 DNA 2 RNA 6 | 66-meric （66） | Consistent with all polymers |
| P0AG48 | 8yde | 50S ribosomal protein L21 Author chain r Reference sequence 1–103 | 1 | Other combination | Heteromer | Protein 58 DNA 2 RNA 7 | 67-meric （67） | Consistent with all polymers |
| P0AG48 | 8ydf | 50S ribosomal protein L21 Author chain r Reference sequence 1–103 | 1 | Other combination | Heteromer | Protein 58 DNA 2 RNA 7 | 67-meric （67） | Consistent with all polymers |
| P0AG48 | 8ydg | 50S ribosomal protein L21 Author chain r Reference sequence 1–103 | 1 | Other combination | Heteromer | Protein 60 DNA 2 RNA 6 | 68-meric （68） | Consistent with all polymers |
| P0AG48 | 8ydh | 50S ribosomal protein L21 Author chain r Reference sequence 1–103 | 1 | Other combination | Heteromer | Protein 58 DNA 2 RNA 7 | 67-meric （67） | Consistent with all polymers |
| P0AG48 | 8ydi | 50S ribosomal protein L21 Author chain r Reference sequence 1–103 | 1 | Other combination | Heteromer | Protein 58 DNA 2 RNA 7 | 67-meric （67） | Consistent with all polymers |
| P0AG48 | 8ydj | 50S ribosomal protein L21 Author chain r Reference sequence 1–103 | 1 | Other combination | Heteromer | Protein 60 DNA 2 RNA 6 | 68-meric （68） | Consistent with all polymers |
| P0AG48 | 8yuo | 50S ribosomal protein L21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 6 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 8yup | 50S ribosomal protein L21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 6 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 8yuq | 50S ribosomal protein L21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 6 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 8yur | 50S ribosomal protein L21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 6 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 8yus | 50S ribosomal protein L21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 6 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 8zej | 50S ribosomal protein L21 Author chain s Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 7 | 56-meric （56） | Consistent with all polymers |
| P0AG48 | 8zff | Large ribosomal subunit protein bL21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 5 | 54-meric （54） | Consistent with all polymers |
| P0AG48 | 8zfg | Large ribosomal subunit protein bL21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 5 | 54-meric （54） | Consistent with all polymers |
| P0AG48 | 8zfi | 50S ribosomal protein L21 Author chain s Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 7 | 57-meric （57） | Consistent with all polymers |
| P0AG48 | 8ztu | 50S ribosomal protein L21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 6 | 56-meric （56） | Consistent with all polymers |
| P0AG48 | 8ztv | 50S ribosomal protein L21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 51 RNA 6 | 57-meric （57） | Consistent with all polymers |
| P0AG48 | 9cl9 | Large ribosomal subunit protein bL21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 11 RNA 1 | dodecameric （12） | Consistent with all polymers |
| P0AG48 | 9fbv | Large ribosomal subunit protein bL21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 5 | 54-meric （54） | Consistent with all polymers |
| P0AG48 | 9gft | Large ribosomal subunit protein bL21 Author chain Am Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 105 RNA 11 | 116-meric （116） | Consistent with all polymers |
| P0AG48 | 9gft | Large ribosomal subunit protein bL21 Author chain e Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 105 RNA 11 | 116-meric （116） | Consistent with all polymers |
| P0AG48 | 9ggr | Large ribosomal subunit protein bL21 Author chain Am Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 106 RNA 11 | 117-meric （117） | Consistent with all polymers |
| P0AG48 | 9ggr | Large ribosomal subunit protein bL21 Author chain e Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 106 RNA 11 | 117-meric （117） | Consistent with all polymers |
| P0AG48 | 9gha | 50S ribosomal protein L21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 5 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 9ghb | 50S ribosomal protein L21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 5 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 9ghc | 50S ribosomal protein L21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 51 RNA 5 | 56-meric （56） | Consistent with all polymers |
| P0AG48 | 9ghd | 50S ribosomal protein L21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 51 RNA 5 | 56-meric （56） | Consistent with all polymers |
| P0AG48 | 9ghe | 50S ribosomal protein L21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 5 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 9ghf | 50S ribosomal protein L21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 5 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 9gxx | Large ribosomal subunit protein bL21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 7 | 56-meric （56） | Consistent with all polymers |
| P0AG48 | 9h0l | Large ribosomal subunit protein bL21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 7 | 56-meric （56） | Consistent with all polymers |
| P0AG48 | 9h3k | Large ribosomal subunit protein bL21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 8 RNA 1 | nonameric （9） | Consistent with all polymers |
| P0AG48 | 9h3l | Large ribosomal subunit protein bL21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 12 RNA 1 | 13-meric （13） | Consistent with all polymers |
| P0AG48 | 9h3m | Large ribosomal subunit protein bL21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 13 RNA 1 | 14-meric （14） | Consistent with all polymers |
| P0AG48 | 9h3n | Large ribosomal subunit protein bL21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 12 RNA 1 | 13-meric （13） | Consistent with all polymers |
| P0AG48 | 9h3o | Large ribosomal subunit protein bL21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 16 RNA 1 | 17-meric （17） | Consistent with all polymers |
| P0AG48 | 9h3p | Large ribosomal subunit protein bL21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 20 RNA 2 | 22-meric （22） | Consistent with all polymers |
| P0AG48 | 9h3q | Large ribosomal subunit protein bL21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 21 RNA 2 | 23-meric （23） | Consistent with all polymers |
| P0AG48 | 9h3r | Large ribosomal subunit protein bL21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 23 RNA 2 | 25-meric （25） | Consistent with all polymers |
| P0AG48 | 9h3s | Large ribosomal subunit protein bL21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 25 RNA 2 | 27-meric （27） | Consistent with all polymers |
| P0AG48 | 9h3t | Large ribosomal subunit protein bL21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 19 RNA 1 | 20-meric （20） | Consistent with all polymers |
| P0AG48 | 9h3u | Large ribosomal subunit protein bL21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 19 RNA 1 | 20-meric （20） | Consistent with all polymers |
| P0AG48 | 9h3v | Large ribosomal subunit protein bL21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 23 RNA 2 | 25-meric （25） | Consistent with all polymers |
| P0AG48 | 9h3w | Large ribosomal subunit protein bL21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 23 RNA 2 | 25-meric （25） | Consistent with all polymers |
| P0AG48 | 9h3x | Large ribosomal subunit protein bL21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 25 RNA 2 | 27-meric （27） | Consistent with all polymers |
| P0AG48 | 9h3y | Large ribosomal subunit protein bL21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 26 RNA 2 | 28-meric （28） | Consistent with all polymers |
| P0AG48 | 9h3z | Large ribosomal subunit protein bL21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 28 RNA 2 | 30-meric （30） | Consistent with all polymers |
| P0AG48 | 9ha1 | Large ribosomal subunit protein bL21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 14 RNA 1 | 15-meric （15） | Consistent with all polymers |
| P0AG48 | 9ha2 | Large ribosomal subunit protein bL21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 14 RNA 1 | 15-meric （15） | Consistent with all polymers |
| P0AG48 | 9ha3 | Large ribosomal subunit protein bL21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 13 RNA 1 | 14-meric （14） | Consistent with all polymers |
| P0AG48 | 9ha4 | Large ribosomal subunit protein bL21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 19 RNA 2 | 21-meric （21） | Consistent with all polymers |
| P0AG48 | 9ha5 | Large ribosomal subunit protein bL21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 18 RNA 1 | 19-meric （19） | Consistent with all polymers |
| P0AG48 | 9ha6 | Large ribosomal subunit protein bL21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 30 RNA 2 | 32-meric （32） | Consistent with all polymers |
| P0AG48 | 9ha7 | Large ribosomal subunit protein bL21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 17 RNA 2 | 19-meric （19） | Consistent with all polymers |
| P0AG48 | 9hai | Large ribosomal subunit protein bL21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 17 RNA 1 | 18-meric （18） | Consistent with all polymers |
| P0AG48 | 9hal | Large ribosomal subunit protein bL21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 8 RNA 1 | nonameric （9） | Consistent with all polymers |
| P0AG48 | 9ham | Large ribosomal subunit protein bL21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 12 RNA 1 | 13-meric （13） | Consistent with all polymers |
| P0AG48 | 9huq | Large ribosomal subunit protein bL21 Author chain r Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 29 RNA 3 | 32-meric （32） | Consistent with all polymers |
| P0AG48 | 9hus | Large ribosomal subunit protein bL21 Author chain r Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 29 RNA 3 | 32-meric （32） | Consistent with all polymers |
| P0AG48 | 9hy6 | Large ribosomal subunit protein bL21 Author chain r Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 29 RNA 5 | 34-meric （34） | Consistent with all polymers |
| P0AG48 | 9hym | Large ribosomal subunit protein bL21 Author chain r Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 29 RNA 5 | 34-meric （34） | Consistent with all polymers |
| P0AG48 | 9i3l | Large ribosomal subunit protein bL21 Author chain r Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 29 RNA 3 | 32-meric （32） | Consistent with all polymers |
| P0AG48 | 9iot | 50S ribosomal protein L21 Author chain T Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 53 RNA 3 | 56-meric （56） | Consistent with all polymers |
| P0AG48 | 9jmk | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 26 RNA 2 | 28-meric （28） | Consistent with all polymers |
| P0AG48 | 9jns | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 17 RNA 1 | octadecameric （18） | Consistent with all polymers |
| P0AG48 | 9jpm | 50S ribosomal protein L21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 6 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 9jpo | 50S ribosomal protein L21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 6 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 9jpp | 50S ribosomal protein L21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 6 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 9jq2 | 50S ribosomal protein L21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 6 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 9jsr | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 17 RNA 1 | octadecameric （18） | Consistent with all polymers |
| P0AG48 | 9n2b | 50S ribosomal protein L21 Author chain LU Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 5 | 54-meric （54） | Consistent with all polymers |
| P0AG48 | 9n2c | 50S ribosomal protein L21 Author chain LU Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 5 | 54-meric （54） | Consistent with all polymers |
| P0AG48 | 9q87 | Large ribosomal subunit protein bL21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 6 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 9qqq | Large ribosomal subunit protein bL21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 5 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 9qsj | Large ribosomal subunit protein bL21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 6 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 9r3a | Large ribosomal subunit protein bL21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 6 | 56-meric （56） | Consistent with all polymers |
| P0AG48 | 9rbf | Large ribosomal subunit protein bL21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 54 RNA 7 | 61-meric （61） | Consistent with all polymers |
| P0AG48 | 9rfw | Large ribosomal subunit protein bL21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 31 RNA 4 | 35-meric （35） | Consistent with all polymers |
| P0AG48 | 9rja | Large ribosomal subunit protein bL21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 51 RNA 6 | 57-meric （57） | Consistent with all polymers |
| P0AG48 | 9rtu | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 53 RNA 6 | 59-meric （59） | Consistent with all polymers |
| P0AG48 | 9rtv | 50S ribosomal protein L21 Author chain R Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 53 RNA 6 | 59-meric （59） | Consistent with all polymers |
| P0AG48 | 9slg | Large ribosomal subunit protein bL21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 51 RNA 3 | 54-meric （54） | Consistent with all polymers |
| P0AG48 | 9sro | Large ribosomal subunit protein bL21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 48 RNA 6 | 54-meric （54） | Consistent with all polymers |
| P0AG48 | 9ss4 | Large ribosomal subunit protein bL21 Author chain BU Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 33 RNA 2 | 35-meric （35） | Consistent with all polymers |
| P0AG48 | 9ss5 | Large ribosomal subunit protein bL21 Author chain BU Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 32 RNA 2 | 34-meric （34） | Consistent with all polymers |
| P0AG48 | 9ss6 | Large ribosomal subunit protein bL21 Author chain BU Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 52 RNA 3 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 9syh | Large ribosomal subunit protein bL21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 7 | 56-meric （56） | Consistent with all polymers |
| P0AG48 | 9t0y | Large ribosomal subunit protein bL21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 7 | 56-meric （56） | Consistent with all polymers |
| P0AG48 | 9t19 | Large ribosomal subunit protein bL21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 10 RNA 4 | 14-meric （14） | Consistent with all polymers |
| P0AG48 | 9t1a | Large ribosomal subunit protein bL21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 10 RNA 4 | 14-meric （14） | Consistent with all polymers |
| P0AG48 | 9t1b | Large ribosomal subunit protein bL21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 10 RNA 4 | 14-meric （14） | Consistent with all polymers |
| P0AG48 | 9t1c | Large ribosomal subunit protein bL21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 10 RNA 3 | 13-meric （13） | Consistent with all polymers |
| P0AG48 | 9t1e | Large ribosomal subunit protein bL21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 10 RNA 4 | 14-meric （14） | Consistent with all polymers |
| P0AG48 | 9t1f | Large ribosomal subunit protein bL21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 10 RNA 4 | 14-meric （14） | Consistent with all polymers |
| P0AG48 | 9t1g | Large ribosomal subunit protein bL21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 10 RNA 3 | 13-meric （13） | Consistent with all polymers |
| P0AG48 | 9t1h | Large ribosomal subunit protein bL21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 10 RNA 4 | 14-meric （14） | Consistent with all polymers |
| P0AG48 | 9t1i | Large ribosomal subunit protein bL21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 10 RNA 3 | 13-meric （13） | Consistent with all polymers |
| P0AG48 | 9t1j | Large ribosomal subunit protein bL21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 10 RNA 4 | 14-meric （14） | Consistent with all polymers |
| P0AG48 | 9t2j | Large ribosomal subunit protein bL21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 10 RNA 2 | 12-meric （12） | Consistent with all polymers |
| P0AG48 | 9t2k | Large ribosomal subunit protein bL21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 10 RNA 4 | 14-meric （14） | Consistent with all polymers |
| P0AG48 | 9t2l | Large ribosomal subunit protein bL21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 10 RNA 4 | 14-meric （14） | Consistent with all polymers |
| P0AG48 | 9t2m | Large ribosomal subunit protein bL21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 10 RNA 3 | 13-meric （13） | Consistent with all polymers |
| P0AG48 | 9t2n | Large ribosomal subunit protein bL21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 10 RNA 4 | 14-meric （14） | Consistent with all polymers |
| P0AG48 | 9t2o | Large ribosomal subunit protein bL21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 10 RNA 3 | 13-meric （13） | Consistent with all polymers |
| P0AG48 | 9t2q | Large ribosomal subunit protein bL21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 10 RNA 4 | 14-meric （14） | Consistent with all polymers |
| P0AG48 | 9t2r | Large ribosomal subunit protein bL21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 10 RNA 3 | 13-meric （13） | Consistent with all polymers |
| P0AG48 | 9t2s | Large ribosomal subunit protein bL21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 10 RNA 4 | 14-meric （14） | Consistent with all polymers |
| P0AG48 | 9t6m | Large ribosomal subunit protein bL21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 7 | 56-meric （56） | Consistent with all polymers |
| P0AG48 | 9t8k | Large ribosomal subunit protein bL21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 9 RNA 2 | 11-meric （11） | Consistent with all polymers |
| P0AG48 | 9t8l | Large ribosomal subunit protein bL21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 9 RNA 2 | 11-meric （11） | Consistent with all polymers |
| P0AG48 | 9t8m | Large ribosomal subunit protein bL21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 9 RNA 2 | 11-meric （11） | Consistent with all polymers |
| P0AG48 | 9t8n | Large ribosomal subunit protein bL21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 9 RNA 4 | 13-meric （13） | Consistent with all polymers |
| P0AG48 | 9t8o | Large ribosomal subunit protein bL21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 9 RNA 2 | 11-meric （11） | Consistent with all polymers |
| P0AG48 | 9t8p | Large ribosomal subunit protein bL21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 9 RNA 3 | 12-meric （12） | Consistent with all polymers |
| P0AG48 | 9t8q | Large ribosomal subunit protein bL21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 9 RNA 3 | 12-meric （12） | Consistent with all polymers |
| P0AG48 | 9t8r | Large ribosomal subunit protein bL21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 9 RNA 3 | 12-meric （12） | Consistent with all polymers |
| P0AG48 | 9t8s | Large ribosomal subunit protein bL21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 9 RNA 3 | 12-meric （12） | Consistent with all polymers |
| P0AG48 | 9t8t | Large ribosomal subunit protein bL21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 9 RNA 4 | 13-meric （13） | Consistent with all polymers |
| P0AG48 | 9tew | Large ribosomal subunit protein bL21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 5 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 9tex | Large ribosomal subunit protein bL21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 5 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 9tez | Large ribosomal subunit protein bL21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 31 RNA 3 | 34-meric （34） | Consistent with all polymers |
| P0AG48 | 9tmi | Large ribosomal subunit protein bL21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 6 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 9tnl | Large ribosomal subunit protein bL21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 6 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 9tqa | Large ribosomal subunit protein bL21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 6 | 55-meric （55） | Consistent with all polymers |
| P0AG48 | 9wnq | 50S ribosomal protein L21 Author chain s Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 49 RNA 7 | 56-meric （56） | Consistent with all polymers |
| P0AG48 | 9wnr | 50S ribosomal protein L21 Author chain s Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 7 | 57-meric （57） | Consistent with all polymers |
| P0AG48 | 9xfk | 50S ribosomal protein L21 Author chain Z Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 29 RNA 2 | 31-meric （31） | Consistent with all polymers |
| P0AG48 | 9xfl | 50S ribosomal protein L21 Author chain Z Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 29 RNA 2 | 31-meric （31） | Consistent with all polymers |
| P0AG48 | 9ztl | 50S ribosomal protein L21 Author chain q Reference sequence 1–103 | 1 | Protein–RNA | Heteromer | Protein 50 RNA 5 | 55-meric （55） | Consistent with all polymers |