Current Protein Identity：Q9UGN5
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| UNP | PDB | Protein and construct | Assembly | Composition class | Protein state | Molecular copy count | PDB declaration | Consistency status |
|---|---|---|---|---|---|---|---|---|
| Q9UGN5 | 3kcz | Poly [ADP-ribose] polymerase 2 Author chain A Reference sequence 235–579 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q9UGN5 | 3kcz | Poly [ADP-ribose] polymerase 2 Author chain B Reference sequence 235–579 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q9UGN5 | 3kcz | Poly [ADP-ribose] polymerase 2 Author chain A Reference sequence 235–579 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q9UGN5 | 3kcz | Poly [ADP-ribose] polymerase 2 Author chain B Reference sequence 235–579 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q9UGN5 | 3kjd | Poly [ADP-ribose] polymerase 2 Author chain A Reference sequence 235–579 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q9UGN5 | 3kjd | Poly [ADP-ribose] polymerase 2 Author chain B Reference sequence 235–579 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q9UGN5 | 3kjd | Poly [ADP-ribose] polymerase 2 Author chain A Reference sequence 235–579 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q9UGN5 | 3kjd | Poly [ADP-ribose] polymerase 2 Author chain B Reference sequence 235–579 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q9UGN5 | 4pjv | Poly [ADP-ribose] polymerase 2 Author chain A Reference sequence 235–579 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q9UGN5 | 4pjv | Poly [ADP-ribose] polymerase 2 Author chain B Reference sequence 235–579 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q9UGN5 | 4pjv | Poly [ADP-ribose] polymerase 2 Author chain A Reference sequence 235–579 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q9UGN5 | 4pjv | Poly [ADP-ribose] polymerase 2 Author chain B Reference sequence 235–579 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q9UGN5 | 4tvj | Poly [ADP-ribose] polymerase 2 Author chain A Reference sequence 235–579 | 1 | Protein monomer | Monomer | Protein 1 | Monomeric （1） | Consistent with protein count |
| Q9UGN5 | 4tvj | Poly [ADP-ribose] polymerase 2 Author chain B Reference sequence 235–579 | 1 | Protein monomer | Monomer | Protein 1 | Monomeric （1） | Consistent with protein count |
| Q9UGN5 | 4tvj | Poly [ADP-ribose] polymerase 2 Author chain A Reference sequence 235–579 | 2 | Protein monomer | Monomer | Protein 1 | Monomeric （1） | Consistent with protein count |
| Q9UGN5 | 4tvj | Poly [ADP-ribose] polymerase 2 Author chain B Reference sequence 235–579 | 2 | Protein monomer | Monomer | Protein 1 | Monomeric （1） | Consistent with protein count |
| Q9UGN5 | 4zzx | POLY [ADP-RIBOSE] POLYMERASE 2 Author chain A Reference sequence 223–583 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q9UGN5 | 4zzx | POLY [ADP-RIBOSE] POLYMERASE 2 Author chain B Reference sequence 223–583 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q9UGN5 | 4zzx | POLY [ADP-RIBOSE] POLYMERASE 2 Author chain A Reference sequence 223–583 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q9UGN5 | 4zzx | POLY [ADP-RIBOSE] POLYMERASE 2 Author chain B Reference sequence 223–583 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q9UGN5 | 4zzy | POLY [ADP-RIBOSE] POLYMERASE 2 Author chain A Reference sequence 223–583 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q9UGN5 | 5d5k | Poly [ADP-ribose] polymerase 2 Author chain B Reference sequence 1–78 | 1 | Protein heterocomplex | Heteromer | Protein 2 | dimeric （2） | Consistent with protein count |
| Q9UGN5 | 5dsy | Poly [ADP-ribose] polymerase 2 Author chain A Reference sequence 348–583 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q9UGN5 | 5dsy | Poly [ADP-ribose] polymerase 2 Author chain B Reference sequence 348–583 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q9UGN5 | 5dsy | Poly [ADP-ribose] polymerase 2 Author chain C Reference sequence 348–583 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q9UGN5 | 5dsy | Poly [ADP-ribose] polymerase 2 Author chain D Reference sequence 348–583 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q9UGN5 | 5dsy | Poly [ADP-ribose] polymerase 2 Author chain A Reference sequence 348–583 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q9UGN5 | 5dsy | Poly [ADP-ribose] polymerase 2 Author chain B Reference sequence 348–583 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q9UGN5 | 5dsy | Poly [ADP-ribose] polymerase 2 Author chain C Reference sequence 348–583 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q9UGN5 | 5dsy | Poly [ADP-ribose] polymerase 2 Author chain D Reference sequence 348–583 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q9UGN5 | 5dsy | Poly [ADP-ribose] polymerase 2 Author chain A Reference sequence 348–583 | 3 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q9UGN5 | 5dsy | Poly [ADP-ribose] polymerase 2 Author chain B Reference sequence 348–583 | 3 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q9UGN5 | 5dsy | Poly [ADP-ribose] polymerase 2 Author chain C Reference sequence 348–583 | 3 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q9UGN5 | 5dsy | Poly [ADP-ribose] polymerase 2 Author chain D Reference sequence 348–583 | 3 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q9UGN5 | 5dsy | Poly [ADP-ribose] polymerase 2 Author chain A Reference sequence 348–583 | 4 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q9UGN5 | 5dsy | Poly [ADP-ribose] polymerase 2 Author chain B Reference sequence 348–583 | 4 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q9UGN5 | 5dsy | Poly [ADP-ribose] polymerase 2 Author chain C Reference sequence 348–583 | 4 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q9UGN5 | 5dsy | Poly [ADP-ribose] polymerase 2 Author chain D Reference sequence 348–583 | 4 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q9UGN5 | 6f1k | Poly [ADP-ribose] polymerase 2 Author chain A Reference sequence 90–218 | 1 | Protein–DNA | Monomer | Protein 1 DNA 2 | trimeric （3） | Consistent with all polymers |
| Q9UGN5 | 6f5b | Poly [ADP-ribose] polymerase 2 Author chain A Reference sequence 90–218 | 1 | Protein–DNA | Homooligomer | Protein 2 DNA 4 | hexameric （6） | Consistent with all polymers |
| Q9UGN5 | 6f5b | Poly [ADP-ribose] polymerase 2 Author chain B Reference sequence 90–218 | 1 | Protein–DNA | Homooligomer | Protein 2 DNA 4 | hexameric （6） | Consistent with all polymers |
| Q9UGN5 | 6f5f | Poly [ADP-ribose] polymerase 2 Author chain A Reference sequence 90–218 | 1 | Protein–DNA | Homooligomer | Protein 2 DNA 2 | tetrameric （4） | Consistent with all polymers |
| Q9UGN5 | 6f5f | Poly [ADP-ribose] polymerase 2 Author chain B Reference sequence 90–218 | 1 | Protein–DNA | Homooligomer | Protein 2 DNA 2 | tetrameric （4） | Consistent with all polymers |
| Q9UGN5 | 6f5f | Poly [ADP-ribose] polymerase 2 Author chain C Reference sequence 90–218 | 1 | Protein–DNA | Homooligomer | Protein 2 DNA 2 | tetrameric （4） | Consistent with all polymers |
| Q9UGN5 | 6f5f | Poly [ADP-ribose] polymerase 2 Author chain D Reference sequence 90–218 | 1 | Protein–DNA | Homooligomer | Protein 2 DNA 2 | tetrameric （4） | Consistent with all polymers |
| Q9UGN5 | 6f5f | Poly [ADP-ribose] polymerase 2 Author chain A Reference sequence 90–218 | 2 | Protein–DNA | Homooligomer | Protein 2 DNA 2 | tetrameric （4） | Consistent with all polymers |
| Q9UGN5 | 6f5f | Poly [ADP-ribose] polymerase 2 Author chain B Reference sequence 90–218 | 2 | Protein–DNA | Homooligomer | Protein 2 DNA 2 | tetrameric （4） | Consistent with all polymers |
| Q9UGN5 | 6f5f | Poly [ADP-ribose] polymerase 2 Author chain C Reference sequence 90–218 | 2 | Protein–DNA | Homooligomer | Protein 2 DNA 2 | tetrameric （4） | Consistent with all polymers |
| Q9UGN5 | 6f5f | Poly [ADP-ribose] polymerase 2 Author chain D Reference sequence 90–218 | 2 | Protein–DNA | Homooligomer | Protein 2 DNA 2 | tetrameric （4） | Consistent with all polymers |
| Q9UGN5 | 6tx3 | Poly [ADP-ribose] polymerase 2,Poly [ADP-ribose] polymerase 2 Author chain B Reference sequence 230–253 | 1 | Protein heterocomplex | Heteromer | Protein 2 | dimeric （2） | Consistent with protein count |
| Q9UGN5 | 6tx3 | Poly [ADP-ribose] polymerase 2,Poly [ADP-ribose] polymerase 2 Author chain B Reference sequence 348–583 | 1 | Protein heterocomplex | Heteromer | Protein 2 | dimeric （2） | Consistent with protein count |
| Q9UGN5 | 6usj | Poly [ADP-ribose] polymerase 2 Author chain U Reference sequence 1–570 | 1 | Protein–DNA | Heteromer | Protein 18 DNA 4 | 22-meric （22） | Consistent with all polymers |
| Q9UGN5 | 6usj | Poly [ADP-ribose] polymerase 2 Author chain V Reference sequence 1–570 | 1 | Protein–DNA | Heteromer | Protein 18 DNA 4 | 22-meric （22） | Consistent with all polymers |
| Q9UGN5 | 6x0l | Poly [ADP-ribose] polymerase 2 Author chain P Reference sequence 1–570 | 1 | Protein–DNA | Heteromer | Protein 3 DNA 4 | heptameric （7） | Consistent with all polymers |
| Q9UGN5 | 6x0l | Poly [ADP-ribose] polymerase 2 Author chain R Reference sequence 1–570 | 1 | Protein–DNA | Heteromer | Protein 3 DNA 4 | heptameric （7） | Consistent with all polymers |
| Q9UGN5 | 6x0m | Poly [ADP-ribose] polymerase 2 Author chain P Reference sequence 1–570 | 1 | Protein–DNA | Heteromer | Protein 4 DNA 4 | octameric （8） | Consistent with all polymers |
| Q9UGN5 | 6x0m | Poly [ADP-ribose] polymerase 2 Author chain p Reference sequence 1–570 | 1 | Protein–DNA | Heteromer | Protein 4 DNA 4 | octameric （8） | Consistent with all polymers |
| Q9UGN5 | 6x0n | Poly [ADP-ribose] polymerase 2 Author chain P Reference sequence 1–570 | 1 | Protein–DNA | Heteromer | Protein 19 DNA 4 | 23-meric （23） | Consistent with all polymers |
| Q9UGN5 | 6x0n | Poly [ADP-ribose] polymerase 2 Author chain R Reference sequence 1–570 | 1 | Protein–DNA | Heteromer | Protein 19 DNA 4 | 23-meric （23） | Consistent with all polymers |
| Q9UGN5 | 7aeo | Poly [ADP-ribose] polymerase 2 Author chain A Reference sequence 90–583 | 1 | Protein–DNA | Homooligomer | Protein 2 DNA 4 | hexameric （6） | Consistent with all polymers |
| Q9UGN5 | 7r59 | Poly [ADP-ribose] polymerase 2 Author chain A Reference sequence 235–583 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q9UGN5 | 8he8 | Poly [ADP-ribose] polymerase 2 Author chain A Reference sequence 231–581 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q9UGN5 | 8he8 | Poly [ADP-ribose] polymerase 2 Author chain B Reference sequence 231–581 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q9UGN5 | 8he8 | Poly [ADP-ribose] polymerase 2 Author chain C Reference sequence 231–581 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q9UGN5 | 8he8 | Poly [ADP-ribose] polymerase 2 Author chain A Reference sequence 231–581 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q9UGN5 | 8he8 | Poly [ADP-ribose] polymerase 2 Author chain B Reference sequence 231–581 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q9UGN5 | 8he8 | Poly [ADP-ribose] polymerase 2 Author chain C Reference sequence 231–581 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q9UGN5 | 8he8 | Poly [ADP-ribose] polymerase 2 Author chain A Reference sequence 231–581 | 3 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q9UGN5 | 8he8 | Poly [ADP-ribose] polymerase 2 Author chain B Reference sequence 231–581 | 3 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q9UGN5 | 8he8 | Poly [ADP-ribose] polymerase 2 Author chain C Reference sequence 231–581 | 3 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q9UGN5 | 8hkn | Poly [ADP-ribose] polymerase 2 Author chain A Reference sequence 230–581 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q9UGN5 | 8hkn | Poly [ADP-ribose] polymerase 2 Author chain B Reference sequence 230–581 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q9UGN5 | 8hkn | Poly [ADP-ribose] polymerase 2 Author chain A Reference sequence 230–581 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q9UGN5 | 8hkn | Poly [ADP-ribose] polymerase 2 Author chain B Reference sequence 230–581 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q9UGN5 | 8hko | Poly [ADP-ribose] polymerase 2 Author chain A Reference sequence 230–581 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q9UGN5 | 8hko | Poly [ADP-ribose] polymerase 2 Author chain B Reference sequence 230–581 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q9UGN5 | 8hko | Poly [ADP-ribose] polymerase 2 Author chain A Reference sequence 230–581 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q9UGN5 | 8hko | Poly [ADP-ribose] polymerase 2 Author chain B Reference sequence 230–581 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q9UGN5 | 8hks | Poly [ADP-ribose] polymerase 2 Author chain A Reference sequence 230–581 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q9UGN5 | 8hks | Poly [ADP-ribose] polymerase 2 Author chain B Reference sequence 230–581 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q9UGN5 | 8hks | Poly [ADP-ribose] polymerase 2 Author chain C Reference sequence 230–581 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q9UGN5 | 8hks | Poly [ADP-ribose] polymerase 2 Author chain D Reference sequence 230–581 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q9UGN5 | 8hks | Poly [ADP-ribose] polymerase 2 Author chain A Reference sequence 230–581 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q9UGN5 | 8hks | Poly [ADP-ribose] polymerase 2 Author chain B Reference sequence 230–581 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q9UGN5 | 8hks | Poly [ADP-ribose] polymerase 2 Author chain C Reference sequence 230–581 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q9UGN5 | 8hks | Poly [ADP-ribose] polymerase 2 Author chain D Reference sequence 230–581 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q9UGN5 | 8hks | Poly [ADP-ribose] polymerase 2 Author chain A Reference sequence 230–581 | 3 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q9UGN5 | 8hks | Poly [ADP-ribose] polymerase 2 Author chain B Reference sequence 230–581 | 3 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q9UGN5 | 8hks | Poly [ADP-ribose] polymerase 2 Author chain C Reference sequence 230–581 | 3 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q9UGN5 | 8hks | Poly [ADP-ribose] polymerase 2 Author chain D Reference sequence 230–581 | 3 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q9UGN5 | 8hks | Poly [ADP-ribose] polymerase 2 Author chain A Reference sequence 230–581 | 4 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q9UGN5 | 8hks | Poly [ADP-ribose] polymerase 2 Author chain B Reference sequence 230–581 | 4 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q9UGN5 | 8hks | Poly [ADP-ribose] polymerase 2 Author chain C Reference sequence 230–581 | 4 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q9UGN5 | 8hks | Poly [ADP-ribose] polymerase 2 Author chain D Reference sequence 230–581 | 4 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q9UGN5 | 8hlj | Poly [ADP-ribose] polymerase 2 Author chain A Reference sequence 230–581 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q9UGN5 | 8hlj | Poly [ADP-ribose] polymerase 2 Author chain B Reference sequence 230–581 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q9UGN5 | 8hlj | Poly [ADP-ribose] polymerase 2 Author chain A Reference sequence 230–581 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q9UGN5 | 8hlj | Poly [ADP-ribose] polymerase 2 Author chain B Reference sequence 230–581 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q9UGN5 | 8hlq | Poly [ADP-ribose] polymerase 2 Author chain A Reference sequence 230–581 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q9UGN5 | 8hlq | Poly [ADP-ribose] polymerase 2 Author chain B Reference sequence 230–581 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q9UGN5 | 8hlq | Poly [ADP-ribose] polymerase 2 Author chain A Reference sequence 230–581 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q9UGN5 | 8hlq | Poly [ADP-ribose] polymerase 2 Author chain B Reference sequence 230–581 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q9UGN5 | 8jny | Poly [ADP-ribose] polymerase 2 Author chain A Reference sequence 230–581 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q9UGN5 | 8jny | Poly [ADP-ribose] polymerase 2 Author chain B Reference sequence 230–581 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q9UGN5 | 8jny | Poly [ADP-ribose] polymerase 2 Author chain A Reference sequence 230–581 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q9UGN5 | 8jny | Poly [ADP-ribose] polymerase 2 Author chain B Reference sequence 230–581 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q9UGN5 | 9im8 | Poly [ADP-ribose] polymerase 2 Author chain A Reference sequence 230–581 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q9UGN5 | 9im8 | Poly [ADP-ribose] polymerase 2 Author chain B Reference sequence 230–581 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q9UGN5 | 9im8 | Poly [ADP-ribose] polymerase 2 Author chain A Reference sequence 230–581 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q9UGN5 | 9im8 | Poly [ADP-ribose] polymerase 2 Author chain B Reference sequence 230–581 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q9UGN5 | 9zq9 | Poly [ADP-ribose] polymerase 2 Author chain P Reference sequence 90–212 | 1 | Protein–DNA | Heteromer | Protein 11 DNA 3 | 14-meric （14） | Consistent with all polymers |
| Q9UGN5 | 9zqa | Poly [ADP-ribose] polymerase 2 Author chain P Reference sequence 90–212 | 1 | Protein–DNA | Heteromer | Protein 11 DNA 3 | 14-meric （14） | Consistent with all polymers |
| Q9UGN5 | 9zqb | Poly [ADP-ribose] polymerase 2 Author chain P Reference sequence 90–583 | 1 | Protein–DNA | Heteromer | Protein 11 DNA 3 | 14-meric （14） | Consistent with all polymers |
| Q9UGN5 | 9zqc | Poly [ADP-ribose] polymerase 2 Author chain P Reference sequence 90–583 | 1 | Protein–DNA | Heteromer | Protein 11 DNA 3 | 14-meric （14） | Consistent with all polymers |