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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：C4R1V1 New Search
45PDB entries
47Biological assembly
51chain/assembly records
UNP PDB Protein and construct Assembly Composition class Protein state Molecular copy count PDB declaration Consistency status
C4R1V1 5x4z RNA polymerase subunit ABC23, common to RNA polymerases I, II, and III Author chain F Reference sequence 1–155 1 Protein heterocomplex Heteromer Protein 12 dodecameric （12） Consistent with protein count
C4R1V1 5x4z RNA polymerase subunit ABC23, common to RNA polymerases I, II, and III Author chain R Reference sequence 1–155 1 Protein heterocomplex Heteromer Protein 12 dodecameric （12） Consistent with protein count
C4R1V1 5x4z RNA polymerase subunit ABC23, common to RNA polymerases I, II, and III Author chain F Reference sequence 1–155 2 Protein heterocomplex Heteromer Protein 12 dodecameric （12） Consistent with protein count
C4R1V1 5x4z RNA polymerase subunit ABC23, common to RNA polymerases I, II, and III Author chain R Reference sequence 1–155 2 Protein heterocomplex Heteromer Protein 12 dodecameric （12） Consistent with protein count
C4R1V1 5x50 RNA polymerase subunit ABC23, common to RNA polymerases I, II, and III Author chain F Reference sequence 1–155 1 Protein heterocomplex Heteromer Protein 12 dodecameric （12） Consistent with protein count
C4R1V1 5x51 RNA polymerase subunit ABC23, common to RNA polymerases I, II, and III Author chain F Reference sequence 1–155 1 Protein heterocomplex Heteromer Protein 12 dodecameric （12） Consistent with protein count
C4R1V1 5x51 RNA polymerase subunit ABC23, common to RNA polymerases I, II, and III Author chain R Reference sequence 1–155 1 Protein heterocomplex Heteromer Protein 12 dodecameric （12） Consistent with protein count
C4R1V1 5x51 RNA polymerase subunit ABC23, common to RNA polymerases I, II, and III Author chain F Reference sequence 1–155 2 Protein heterocomplex Heteromer Protein 12 dodecameric （12） Consistent with protein count
C4R1V1 5x51 RNA polymerase subunit ABC23, common to RNA polymerases I, II, and III Author chain R Reference sequence 1–155 2 Protein heterocomplex Heteromer Protein 12 dodecameric （12） Consistent with protein count
C4R1V1 5xog RNA polymerase subunit ABC23, common to RNA polymerases I, II, and III Author chain F Reference sequence 1–155 1 Other combination Heteromer Protein 14 DNA 2 RNA 1 heptadecameric （17） Consistent with all polymers
C4R1V1 5xon RNA polymerase subunit ABC23, common to RNA polymerases I, II, and III Author chain F Reference sequence 1–155 1 Other combination Heteromer Protein 15 DNA 2 RNA 1 octadecameric （18） Consistent with all polymers
C4R1V1 6a5l RNA polymerase subunit ABC23, common to RNA polymerases I, II, and III Author chain F Reference sequence 1–155 1 Other combination Heteromer Protein 20 DNA 4 RNA 1 25-meric （25） Consistent with all polymers
C4R1V1 6a5o RNA polymerase subunit ABC23, common to RNA polymerases I, II, and III Author chain F Reference sequence 1–155 1 Other combination Heteromer Protein 20 DNA 2 RNA 1 23-meric （23） Consistent with all polymers
C4R1V1 6a5p RNA polymerase subunit ABC23, common to RNA polymerases I, II, and III Author chain F Reference sequence 1–155 1 Other combination Heteromer Protein 20 DNA 2 RNA 1 23-meric （23） Consistent with all polymers
C4R1V1 6a5r RNA polymerase subunit ABC23, common to RNA polymerases I, II, and III Author chain F Reference sequence 1–155 1 Other combination Heteromer Protein 20 DNA 2 RNA 1 23-meric （23） Consistent with all polymers
C4R1V1 6a5t RNA polymerase subunit ABC23, common to RNA polymerases I, II, and III Author chain F Reference sequence 1–155 1 Other combination Heteromer Protein 20 DNA 2 RNA 1 23-meric （23） Consistent with all polymers
C4R1V1 6a5u RNA polymerase subunit ABC23, common to RNA polymerases I, II, and III Author chain F Reference sequence 1–155 1 Other combination Heteromer Protein 20 DNA 4 RNA 1 25-meric （25） Consistent with all polymers
C4R1V1 6inq RNA polymerase subunit ABC23, common to RNA polymerases I, II, and III Author chain F Reference sequence 1–155 1 Other combination Heteromer Protein 20 DNA 4 RNA 1 25-meric （25） Consistent with all polymers
C4R1V1 6ir9 RNA polymerase subunit ABC23, common to RNA polymerases I, II, and III Author chain F Reference sequence 1–155 1 Other combination Heteromer Protein 23 DNA 2 RNA 1 26-meric （26） Consistent with all polymers
C4R1V1 6j4w RNA polymerase subunit ABC23, common to RNA polymerases I, II, and III Author chain F Reference sequence 1–155 1 Other combination Heteromer Protein 23 DNA 2 RNA 1 26-meric （26） Consistent with all polymers
C4R1V1 6j4x RNA polymerase subunit ABC23, common to RNA polymerases I, II, and III Author chain F Reference sequence 1–155 1 Other combination Heteromer Protein 23 DNA 2 RNA 1 26-meric （26） Consistent with all polymers
C4R1V1 6j4y RNA polymerase subunit ABC23, common to RNA polymerases I, II, and III Author chain F Reference sequence 1–155 1 Other combination Heteromer Protein 23 DNA 2 RNA 1 26-meric （26） Consistent with all polymers
C4R1V1 6j4z RNA polymerase subunit ABC23, common to RNA polymerases I, II, and III Author chain F Reference sequence 1–155 1 Other combination Heteromer Protein 22 DNA 4 RNA 1 27-meric （27） Consistent with all polymers
C4R1V1 6j50 RNA polymerase subunit ABC23, common to RNA polymerases I, II, and III Author chain F Reference sequence 1–155 1 Other combination Heteromer Protein 22 DNA 4 RNA 1 27-meric （27） Consistent with all polymers
C4R1V1 6j51 RNA polymerase subunit ABC23, common to RNA polymerases I, II, and III Author chain F Reference sequence 1–155 1 Other combination Heteromer Protein 23 DNA 4 RNA 1 28-meric （28） Consistent with all polymers
C4R1V1 7wbv RNA polymerase subunit ABC23, common to RNA polymerases I, II, and III Author chain F Reference sequence 1–155 1 Other combination Heteromer Protein 23 DNA 2 RNA 1 26-meric （26） Consistent with all polymers
C4R1V1 7wbw RNA polymerase subunit ABC23, common to RNA polymerases I, II, and III Author chain F Reference sequence 1–155 1 Other combination Heteromer Protein 23 DNA 2 RNA 1 26-meric （26） Consistent with all polymers
C4R1V1 7wbx RNA polymerase subunit ABC23, common to RNA polymerases I, II, and III Author chain F Reference sequence 1–155 1 Other combination Heteromer Protein 23 DNA 2 RNA 1 26-meric （26） Consistent with all polymers
C4R1V1 7xn7 RNA polymerase subunit ABC23, common to RNA polymerases I, II, and III Author chain F Reference sequence 1–155 1 Other combination Heteromer Protein 22 DNA 2 RNA 1 25-meric （25） Consistent with all polymers
C4R1V1 7xse RNA polymerase subunit ABC23, common to RNA polymerases I, II, and III Author chain F Reference sequence 1–155 1 Other combination Heteromer Protein 30 DNA 2 RNA 1 33-meric （33） Consistent with all polymers
C4R1V1 7xsx RNA polymerase subunit ABC23, common to RNA polymerases I, II, and III Author chain F Reference sequence 1–155 1 Other combination Heteromer Protein 32 DNA 2 RNA 1 35-meric （35） Consistent with all polymers
C4R1V1 7xsz RNA polymerase subunit ABC23, common to RNA polymerases I, II, and III Author chain F Reference sequence 1–155 1 Other combination Heteromer Protein 30 DNA 2 RNA 1 33-meric （33） Consistent with all polymers
C4R1V1 7xt7 RNA polymerase subunit ABC23, common to RNA polymerases I, II, and III Author chain F Reference sequence 1–155 1 Other combination Heteromer Protein 32 DNA 2 RNA 1 35-meric （35） Consistent with all polymers
C4R1V1 7xtd RNA polymerase subunit ABC23, common to RNA polymerases I, II, and III Author chain F Reference sequence 1–155 1 Other combination Heteromer Protein 32 DNA 2 RNA 1 35-meric （35） Consistent with all polymers
C4R1V1 7xti RNA polymerase subunit ABC23, common to RNA polymerases I, II, and III Author chain F Reference sequence 1–155 1 Other combination Heteromer Protein 30 DNA 2 RNA 1 33-meric （33） Consistent with all polymers
C4R1V1 8h0v RNA polymerase subunit ABC23, common to RNA polymerases I, II, and III Author chain F Reference sequence 1–155 1 Other combination Heteromer Protein 21 DNA 2 RNA 1 24-meric （24） Consistent with all polymers
C4R1V1 8h0w RNA polymerase subunit ABC23, common to RNA polymerases I, II, and III Author chain F Reference sequence 1–155 1 Other combination Heteromer Protein 21 DNA 2 RNA 1 24-meric （24） Consistent with all polymers
C4R1V1 8he5 RNA polymerase subunit ABC23, common to RNA polymerases I, II, and III Author chain F Reference sequence 1–155 1 Other combination Heteromer Protein 22 DNA 2 RNA 1 25-meric （25） Consistent with all polymers
C4R1V1 8jh2 RNA polymerase subunit ABC23, common to RNA polymerases I, II, and III Author chain F Reference sequence 1–155 1 Other combination Heteromer Protein 23 DNA 4 RNA 1 28-meric （28） Consistent with all polymers
C4R1V1 8jh3 RNA polymerase subunit ABC23, common to RNA polymerases I, II, and III Author chain F Reference sequence 1–155 1 Other combination Heteromer Protein 20 DNA 2 RNA 1 23-meric （23） Consistent with all polymers
C4R1V1 8jh4 RNA polymerase subunit ABC23, common to RNA polymerases I, II, and III Author chain F Reference sequence 1–155 1 Other combination Heteromer Protein 20 DNA 2 RNA 1 23-meric （23） Consistent with all polymers
C4R1V1 8yfq RNA polymerase subunit ABC23, common to RNA polymerases I, II, and III Author chain F Reference sequence 1–155 1 Other combination Heteromer Protein 14 DNA 2 RNA 1 heptadecameric （17） Consistent with all polymers
C4R1V1 8yfr RNA polymerase subunit ABC23, common to RNA polymerases I, II, and III Author chain F Reference sequence 1–155 1 Protein heterocomplex Heteromer Protein 14 tetradecameric （14） Consistent with protein count
C4R1V1 9ii7 RNA polymerase subunit ABC23, common to RNA polymerases I, II, and III Author chain F Reference sequence 1–155 1 Other combination Heteromer Protein 21 DNA 2 RNA 1 24-meric （24） Consistent with all polymers
C4R1V1 9ujs RNA polymerase subunit ABC23, common to RNA polymerases I, II, and III Author chain F Reference sequence 1–155 1 Other combination Heteromer Protein 20 DNA 2 RNA 1 23-meric （23） Consistent with all polymers
C4R1V1 9ujt RNA polymerase subunit ABC23, common to RNA polymerases I, II, and III Author chain F Reference sequence 1–155 1 Other combination Heteromer Protein 16 DNA 2 RNA 1 nonadecameric （19） Consistent with all polymers
C4R1V1 9wms RNA polymerase subunit ABC23, common to RNA polymerases I, II, and III Author chain F Reference sequence 1–155 1 Other combination Heteromer Protein 31 DNA 2 RNA 1 34-meric （34） Consistent with all polymers
C4R1V1 9wmt RNA polymerase subunit ABC23, common to RNA polymerases I, II, and III Author chain F Reference sequence 1–155 1 Other combination Heteromer Protein 31 DNA 2 RNA 1 34-meric （34） Consistent with all polymers
C4R1V1 9wmu RNA polymerase subunit ABC23, common to RNA polymerases I, II, and III Author chain F Reference sequence 1–155 1 Other combination Heteromer Protein 31 DNA 2 RNA 1 34-meric （34） Consistent with all polymers
C4R1V1 9wmv RNA polymerase subunit ABC23, common to RNA polymerases I, II, and III Author chain F Reference sequence 1–155 1 Other combination Heteromer Protein 31 DNA 2 RNA 1 34-meric （34） Consistent with all polymers
C4R1V1 9wmw DNA-directed RNA polymerases I, II, and III subunit RPABC2 Author chain F Reference sequence 1–155 1 Other combination Heteromer Protein 31 DNA 2 RNA 1 34-meric （34） 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.