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Protein Structures and Oligomeric States

Enter a protein name, UniProt accession or PDB ID. Name searches ask you to confirm the protein identity before related structures are queried.

Current Protein Identity：P53803 New Search
57PDB entries
57Biological assembly
57chain/assembly records
UNP PDB Protein and construct Assembly Composition class Protein state Molecular copy count PDB declaration Consistency status
P53803 5iy6 DNA-directed RNA polymerase II subunit RPB12 Author chain L Reference sequence 1–58 1 Protein–DNA Heteromer Protein 27 DNA 2 29-meric （29） Consistent with all polymers
P53803 5iy7 DNA-directed RNA polymerase II subunit RPB12 Author chain L Reference sequence 1–58 1 Protein–DNA Heteromer Protein 27 DNA 2 29-meric （29） Consistent with all polymers
P53803 5iy8 DNA-directed RNA polymerase II subunit RPB12 Author chain L Reference sequence 1–58 1 Protein–DNA Heteromer Protein 27 DNA 2 29-meric （29） Consistent with all polymers
P53803 5iy9 DNA-directed RNA polymerase II subunit RPB12 Author chain L Reference sequence 1–58 1 Other combination Heteromer Protein 26 DNA 2 RNA 1 29-meric （29） Consistent with all polymers
P53803 5iya DNA-directed RNA polymerase II subunit RPB12 Author chain L Reference sequence 1–58 1 Protein–DNA Heteromer Protein 21 DNA 2 23-meric （23） Consistent with all polymers
P53803 5iyb DNA-directed RNA polymerase II subunit RPB12 Author chain L Reference sequence 1–58 1 Protein–DNA Heteromer Protein 21 DNA 2 23-meric （23） Consistent with all polymers
P53803 5iyc DNA-directed RNA polymerase II subunit RPB12 Author chain L Reference sequence 1–58 1 Protein–DNA Heteromer Protein 21 DNA 2 23-meric （23） Consistent with all polymers
P53803 5iyd DNA-directed RNA polymerase II subunit RPB12 Author chain L Reference sequence 1–58 1 Other combination Heteromer Protein 20 DNA 2 RNA 1 23-meric （23） Consistent with all polymers
P53803 6drd DNA-directed RNA polymerases I, II, and III subunit RPABC4 Author chain L Reference sequence 1–58 1 Protein heterocomplex Heteromer Protein 13 tridecameric （13） Consistent with protein count
P53803 6o9l DNA-directed RNA polymerases I, II, and III subunit RPABC4 Author chain L Reference sequence 1–58 1 Protein–DNA Heteromer Protein 31 DNA 2 33-meric （33） Consistent with all polymers
P53803 6xre DNA-directed RNA polymerases I, II, and III subunit RPABC4 Author chain L Reference sequence 1–58 1 Protein heterocomplex Heteromer Protein 13 tridecameric （13） Consistent with protein count
P53803 7a6h DNA-directed RNA polymerases I, II, and III subunit RPABC4 Author chain L Reference sequence 1–58 1 Protein heterocomplex Heteromer Protein 17 heptadecameric （17） Consistent with protein count
P53803 7ae1 DNA-directed RNA polymerases I, II, and III subunit RPABC4 Author chain L Reference sequence 1–58 1 Other combination Heteromer Protein 17 DNA 2 RNA 1 eicosameric （20） Consistent with all polymers
P53803 7ae3 DNA-directed RNA polymerases I, II, and III subunit RPABC4 Author chain L Reference sequence 1–58 1 Other combination Heteromer Protein 17 DNA 2 RNA 1 eicosameric （20） Consistent with all polymers
P53803 7aea DNA-directed RNA polymerases I, II, and III subunit RPABC4 Author chain L Reference sequence 1–58 1 Other combination Heteromer Protein 17 DNA 2 RNA 1 eicosameric （20） Consistent with all polymers
P53803 7ast DNA-directed RNA polymerases I, II, and III subunit RPABC4 Author chain C Reference sequence 1–58 1 Protein heterocomplex Heteromer Protein 17 heptadecameric （17） Consistent with protein count
P53803 7d58 DNA-directed RNA polymerases I, II, and III subunit RPABC4 Author chain L Reference sequence 1–58 1 Other combination Heteromer Protein 17 DNA 2 RNA 1 eicosameric （20） Consistent with all polymers
P53803 7d59 DNA-directed RNA polymerases I, II, and III subunit RPABC4 Author chain L Reference sequence 1–58 1 Protein heterocomplex Heteromer Protein 17 heptadecameric （17） Consistent with protein count
P53803 7dn3 DNA-directed RNA polymerases I, II, and III subunit RPABC4 Author chain L Reference sequence 1–58 1 Other combination Heteromer Protein 17 DNA 2 RNA 1 eicosameric （20） Consistent with all polymers
P53803 7du2 DNA-directed RNA polymerases I, II, and III subunit RPABC4 Author chain L Reference sequence 1–58 1 Other combination Heteromer Protein 17 DNA 2 RNA 1 eicosameric （20） Consistent with all polymers
P53803 7fji DNA-directed RNA polymerases I, II, and III subunit RPABC4 Author chain L Reference sequence 1–58 1 Other combination Heteromer Protein 17 DNA 2 RNA 1 eicosameric （20） Consistent with all polymers
P53803 7fjj DNA-directed RNA polymerases I, II, and III subunit RPABC4 Author chain L Reference sequence 1–58 1 Other combination Heteromer Protein 17 DNA 2 RNA 1 eicosameric （20） Consistent with all polymers
P53803 7lbm DNA-directed RNA polymerases I, II, and III subunit RPABC4 Author chain L Reference sequence 1–58 1 Protein–DNA Heteromer Protein 54 DNA 2 56-meric （56） Consistent with all polymers
P53803 7ob9 DNA-directed RNA polymerases I, II, and III subunit RPABC4 Author chain L Reference sequence 1–58 1 Other combination Heteromer Protein 13 DNA 2 RNA 1 hexadecameric （16） Consistent with all polymers
P53803 7oba DNA-directed RNA polymerases I, II, and III subunit RPABC4 Author chain L Reference sequence 1–58 1 Protein heterocomplex Heteromer Protein 14 tetradecameric （14） Consistent with protein count
P53803 7obb DNA-directed RNA polymerases I, II, and III subunit RPABC4 Author chain L Reference sequence 1–58 1 Protein–DNA Heteromer Protein 13 DNA 2 pentadecameric （15） Consistent with all polymers
P53803 7vba DNA-directed RNA polymerases I, II, and III subunit RPABC4 Author chain L Reference sequence 1–58 1 Other combination Heteromer Protein 13 DNA 2 RNA 1 hexadecameric （16） Consistent with all polymers
P53803 7vbb DNA-directed RNA polymerases I, II, and III subunit RPABC4 Author chain L Reference sequence 1–58 1 Other combination Heteromer Protein 13 DNA 2 RNA 1 hexadecameric （16） Consistent with all polymers
P53803 7vbc DNA-directed RNA polymerases I, II, and III subunit RPABC4 Author chain L Reference sequence 1–58 1 Other combination Heteromer Protein 13 DNA 2 RNA 1 hexadecameric （16） Consistent with all polymers
P53803 8a43 DNA-directed RNA polymerases I, II, and III subunit RPABC4 Author chain L Reference sequence 1–58 1 Protein heterocomplex Heteromer Protein 12 dodecameric （12） Consistent with protein count
P53803 8ity DNA-directed RNA polymerases I, II, and III subunit RPABC4 Author chain L Reference sequence 1–58 1 Protein–DNA Heteromer Protein 23 DNA 2 25-meric （25） Consistent with all polymers
P53803 8iue DNA-directed RNA polymerases I, II, and III subunit RPABC4 Author chain L Reference sequence 1–58 1 Protein–DNA Heteromer Protein 23 DNA 2 25-meric （25） Consistent with all polymers
P53803 8iuh DNA-directed RNA polymerases I, II, and III subunit RPABC4 Author chain L Reference sequence 1–58 1 Protein–DNA Heteromer Protein 23 DNA 2 25-meric （25） Consistent with all polymers
P53803 8xrj DNA-directed RNA polymerases I, II, and III subunit RPABC4 Author chain L Reference sequence 1–58 1 Other combination Heteromer Protein 20 DNA 2 RNA 1 23-meric （23） Consistent with all polymers
P53803 8xrm DNA-directed RNA polymerases I, II, and III subunit RPABC4 Author chain L Reference sequence 1–58 1 Other combination Heteromer Protein 16 DNA 2 RNA 1 19-meric （19） Consistent with all polymers
P53803 8xso DNA-directed RNA polymerases I, II, and III subunit RPABC4 Author chain L Reference sequence 1–58 1 Other combination Heteromer Protein 12 DNA 2 RNA 1 15-meric （15） Consistent with all polymers
P53803 8xvs DNA-directed RNA polymerases I, II, and III subunit RPABC4 Author chain L Reference sequence 1–58 1 Other combination Heteromer Protein 20 DNA 2 RNA 1 23-meric （23） Consistent with all polymers
P53803 9ehz DNA-directed RNA polymerases I, II, and III subunit RPABC4 Author chain L Reference sequence 1–58 1 Other combination Heteromer Protein 12 DNA 2 RNA 1 pentadecameric （15） Consistent with all polymers
P53803 9ei1 DNA-directed RNA polymerases I, II, and III subunit RPABC4 Author chain L Reference sequence 1–58 1 Other combination Heteromer Protein 13 DNA 2 RNA 1 hexadecameric （16） Consistent with all polymers
P53803 9ei3 DNA-directed RNA polymerases I, II, and III subunit RPABC4 Author chain L Reference sequence 1–58 1 Other combination Heteromer Protein 13 DNA 2 RNA 1 hexadecameric （16） Consistent with all polymers
P53803 9ei4 DNA-directed RNA polymerases I, II, and III subunit RPABC4 Author chain L Reference sequence 1–58 1 Other combination Heteromer Protein 13 DNA 2 RNA 1 hexadecameric （16） Consistent with all polymers
P53803 9fso DNA-directed RNA polymerases I, II, and III subunit RPABC4 Author chain P Reference sequence 1–58 1 Protein–DNA Heteromer Protein 23 DNA 2 25-meric （25） Consistent with all polymers
P53803 9fsp DNA-directed RNA polymerases I, II, and III subunit RPABC4 Author chain P Reference sequence 1–58 1 Protein–DNA Heteromer Protein 23 DNA 2 25-meric （25） Consistent with all polymers
P53803 9fsq DNA-directed RNA polymerases I, II, and III subunit RPABC4 Author chain P Reference sequence 1–58 1 Protein–DNA Heteromer Protein 23 DNA 2 25-meric （25） Consistent with all polymers
P53803 9fsr DNA-directed RNA polymerases I, II, and III subunit RPABC4 Author chain P Reference sequence 1–58 1 Protein–DNA Heteromer Protein 23 DNA 2 25-meric （25） Consistent with all polymers
P53803 9fss DNA-directed RNA polymerases I, II, and III subunit RPABC4 Author chain P Reference sequence 1–58 1 Protein–DNA Heteromer Protein 23 DNA 2 25-meric （25） Consistent with all polymers
P53803 9k2g DNA-directed RNA polymerases I, II, and III subunit RPABC4 Author chain L Reference sequence 1–58 1 Other combination Heteromer Protein 18 DNA 2 RNA 1 21-meric （21） Consistent with all polymers
P53803 9k36 DNA-directed RNA polymerases I, II, and III subunit RPABC4 Author chain L Reference sequence 1–58 1 Other combination Heteromer Protein 18 DNA 2 RNA 1 21-meric （21） Consistent with all polymers
P53803 9k38 DNA-directed RNA polymerases I, II, and III subunit RPABC4 Author chain L Reference sequence 1–58 1 Other combination Heteromer Protein 18 DNA 2 RNA 1 21-meric （21） Consistent with all polymers
P53803 9k39 DNA-directed RNA polymerases I, II, and III subunit RPABC4 Author chain L Reference sequence 1–58 1 Other combination Heteromer Protein 18 DNA 2 RNA 1 21-meric （21） Consistent with all polymers
P53803 9k3b DNA-directed RNA polymerases I, II, and III subunit RPABC4 Author chain L Reference sequence 1–58 1 Other combination Heteromer Protein 23 DNA 2 RNA 1 26-meric （26） Consistent with all polymers
P53803 9k3u DNA-directed RNA polymerases I, II, and III subunit RPABC4 Author chain L Reference sequence 1–58 1 Other combination Heteromer Protein 23 DNA 2 RNA 1 26-meric （26） Consistent with all polymers
P53803 9k3v DNA-directed RNA polymerases I, II, and III subunit RPABC4 Author chain L Reference sequence 1–58 1 Other combination Heteromer Protein 23 DNA 2 RNA 1 26-meric （26） Consistent with all polymers
P53803 9lkt DNA-directed RNA polymerases I, II, and III subunit RPABC4 Author chain L Reference sequence 1–58 1 Other combination Heteromer Protein 18 DNA 2 RNA 1 21-meric （21） Consistent with all polymers
P53803 9lxn DNA-directed RNA polymerases I, II, and III subunit RPABC4 Author chain L Reference sequence 1–58 1 Other combination Heteromer Protein 23 DNA 2 RNA 1 26-meric （26） Consistent with all polymers
P53803 9lxo DNA-directed RNA polymerases I, II, and III subunit RPABC4 Author chain L Reference sequence 1–58 1 Other combination Heteromer Protein 18 DNA 2 RNA 1 21-meric （21） Consistent with all polymers
P53803 9vd9 DNA-directed RNA polymerases I, II, and III subunit RPABC4 Author chain a Reference sequence 1–58 1 Insufficient information Heteromer Protein 35 DNA 2 RNA 1 38-meric （38） Consistent with all polymers

“Homomeric versus heteromeric classification follows protein identity; different constructs of the same UniProt entry still require comparison of reference-sequence ranges, mutations and missing segments. Assemblies marked for review remain visible but are not included in the highest-confidence candidate set.