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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：P20083 New Search
4PDB entries
9Biological assembly
18chain/assembly records
UNP PDB Protein and construct Assembly Composition class Protein state Molecular copy count PDB declaration Consistency status
P20083 1s14 Topoisomerase IV subunit B Author chain A Reference sequence 1–217 1 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
P20083 1s14 Topoisomerase IV subunit B Author chain B Reference sequence 1–217 1 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
P20083 1s14 Topoisomerase IV subunit B Author chain A Reference sequence 1–217 2 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
P20083 1s14 Topoisomerase IV subunit B Author chain B Reference sequence 1–217 2 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
P20083 1s16 Topoisomerase IV subunit B Author chain A Reference sequence 1–390 1 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
P20083 1s16 Topoisomerase IV subunit B Author chain B Reference sequence 1–390 1 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
P20083 1s16 Topoisomerase IV subunit B Author chain A Reference sequence 1–390 2 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
P20083 1s16 Topoisomerase IV subunit B Author chain B Reference sequence 1–390 2 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
P20083 1s16 Topoisomerase IV subunit B Author chain A Reference sequence 1–390 3 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
P20083 1s16 Topoisomerase IV subunit B Author chain B Reference sequence 1–390 3 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
P20083 3fv5 DNA topoisomerase 4 subunit B Author chain A Reference sequence 15–215 1 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
P20083 3fv5 DNA topoisomerase 4 subunit B Author chain B Reference sequence 15–215 1 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
P20083 3fv5 DNA topoisomerase 4 subunit B Author chain A Reference sequence 15–215 2 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
P20083 3fv5 DNA topoisomerase 4 subunit B Author chain B Reference sequence 15–215 2 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
P20083 4hz0 DNA topoisomerase 4 subunit B Author chain A Reference sequence 12–216 1 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
P20083 4hz0 DNA topoisomerase 4 subunit B Author chain B Reference sequence 12–216 1 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
P20083 4hz0 DNA topoisomerase 4 subunit B Author chain A Reference sequence 12–216 2 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
P20083 4hz0 DNA topoisomerase 4 subunit B Author chain B Reference sequence 12–216 2 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count

“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.