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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：P23873 New Search
11PDB entries
12Biological assembly
27chain/assembly records
UNP PDB Protein and construct Assembly Composition class Protein state Molecular copy count PDB declaration Consistency status
P23873 2wiu HTH-TYPE TRANSCRIPTIONAL REGULATOR HIPB Author chain B Reference sequence 1–88 1 Protein heterocomplex Heteromer Protein 4 tetrameric （4） Consistent with protein count
P23873 2wiu HTH-TYPE TRANSCRIPTIONAL REGULATOR HIPB Author chain D Reference sequence 1–88 1 Protein heterocomplex Heteromer Protein 4 tetrameric （4） Consistent with protein count
P23873 3dnv HTH-type transcriptional regulator hipB Author chain B Reference sequence 1–88 1 Protein–DNA Heteromer Protein 4 DNA 2 hexameric （6） Consistent with all polymers
P23873 3hzi HTH-type transcriptional regulator hipB Author chain B Reference sequence 1–88 1 Protein–DNA Heteromer Protein 4 DNA 2 hexameric （6） Consistent with all polymers
P23873 4yg1 Antitoxin HipB Author chain A Reference sequence 1–72 1 Protein–DNA Homooligomer Protein 4 DNA 2 hexameric （6） Consistent with all polymers
P23873 4yg1 Antitoxin HipB Author chain B Reference sequence 1–72 1 Protein–DNA Homooligomer Protein 4 DNA 2 hexameric （6） Consistent with all polymers
P23873 4yg1 Antitoxin HipB Author chain C Reference sequence 1–72 1 Protein–DNA Homooligomer Protein 4 DNA 2 hexameric （6） Consistent with all polymers
P23873 4yg1 Antitoxin HipB Author chain D Reference sequence 1–72 1 Protein–DNA Homooligomer Protein 4 DNA 2 hexameric （6） Consistent with all polymers
P23873 4yg4 Antitoxin HipB Author chain A Reference sequence 4–74 1 Protein–DNA Homooligomer Protein 4 DNA 4 octameric （8） Consistent with all polymers
P23873 4yg4 Antitoxin HipB Author chain B Reference sequence 4–74 1 Protein–DNA Homooligomer Protein 4 DNA 4 octameric （8） Consistent with all polymers
P23873 4yg4 Antitoxin HipB Author chain C Reference sequence 4–74 1 Protein–DNA Homooligomer Protein 4 DNA 4 octameric （8） Consistent with all polymers
P23873 4yg4 Antitoxin HipB Author chain D Reference sequence 4–74 1 Protein–DNA Homooligomer Protein 4 DNA 4 octameric （8） Consistent with all polymers
P23873 4yg4 Antitoxin HipB Author chain A Reference sequence 4–74 2 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
P23873 4yg4 Antitoxin HipB Author chain B Reference sequence 4–74 2 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
P23873 4yg4 Antitoxin HipB Author chain C Reference sequence 4–74 2 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
P23873 4yg4 Antitoxin HipB Author chain D Reference sequence 4–74 2 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
P23873 4yg7 Antitoxin HipB Author chain B Reference sequence 4–74 1 Protein–DNA Heteromer Protein 6 DNA 2 octameric （8） Consistent with all polymers
P23873 4yg7 Antitoxin HipB Author chain C Reference sequence 4–74 1 Protein–DNA Heteromer Protein 6 DNA 2 octameric （8） Consistent with all polymers
P23873 4yg7 Antitoxin HipB Author chain E Reference sequence 4–74 1 Protein–DNA Heteromer Protein 6 DNA 2 octameric （8） Consistent with all polymers
P23873 4yg7 Antitoxin HipB Author chain G Reference sequence 4–74 1 Protein–DNA Heteromer Protein 6 DNA 2 octameric （8） Consistent with all polymers
P23873 4z58 Antitoxin HipB Author chain A Reference sequence 4–74 1 Protein–DNA Homooligomer Protein 2 DNA 2 tetrameric （4） Consistent with all polymers
P23873 4z59 Antitoxin HipB Author chain A Reference sequence 4–74 1 Protein–DNA Homooligomer Protein 2 DNA 2 tetrameric （4） Consistent with all polymers
P23873 4z5c Antitoxin HipB Author chain A Reference sequence 4–74 1 Protein–DNA Homooligomer Protein 2 DNA 2 tetrameric （4） Consistent with all polymers
P23873 4z5c Antitoxin HipB Author chain B Reference sequence 4–74 1 Protein–DNA Homooligomer Protein 2 DNA 2 tetrameric （4） Consistent with all polymers
P23873 4z5d Antitoxin HipB Author chain A Reference sequence 4–74 1 Protein–DNA Homooligomer Protein 2 DNA 2 tetrameric （4） Consistent with all polymers
P23873 4z5d Antitoxin HipB Author chain B Reference sequence 4–74 1 Protein–DNA Homooligomer Protein 2 DNA 2 tetrameric （4） Consistent with all polymers
P23873 4z5h Antitoxin HipB Author chain A Reference sequence 3–74 1 Protein–DNA Homooligomer Protein 2 DNA 2 tetrameric （4） 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.