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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：O66551 New Search
5PDB entries
6Biological assembly
15chain/assembly records
UNP PDB Protein and construct Assembly Composition class Protein state Molecular copy count PDB declaration Consistency status
O66551 1zit transcriptional regulator (NtrC family) Author chain A Reference sequence 1–121 1 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
O66551 2jrl Transcriptional regulator (NtrC family) Author chain A Reference sequence 1–121 1 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
O66551 2jrl Transcriptional regulator (NtrC family) Author chain B Reference sequence 1–121 1 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
O66551 3dzd Transcriptional regulator (NtrC family) Author chain A Reference sequence 2–369 1 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
O66551 3dzd Transcriptional regulator (NtrC family) Author chain B Reference sequence 2–369 1 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
O66551 3e7l Transcriptional regulator (NtrC family) Author chain A Reference sequence 380–442 1 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
O66551 3e7l Transcriptional regulator (NtrC family) Author chain B Reference sequence 380–442 1 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
O66551 3e7l Transcriptional regulator (NtrC family) Author chain C Reference sequence 380–442 1 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
O66551 3e7l Transcriptional regulator (NtrC family) Author chain D Reference sequence 380–442 1 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
O66551 3e7l Transcriptional regulator (NtrC family) Author chain A Reference sequence 380–442 2 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
O66551 3e7l Transcriptional regulator (NtrC family) Author chain B Reference sequence 380–442 2 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
O66551 3e7l Transcriptional regulator (NtrC family) Author chain C Reference sequence 380–442 2 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
O66551 3e7l Transcriptional regulator (NtrC family) Author chain D Reference sequence 380–442 2 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
O66551 4fth Transcriptional regulator (NtrC family) Author chain A Reference sequence 374–442 1 Protein–DNA Homooligomer Protein 2 DNA 2 tetrameric （4） Consistent with all polymers
O66551 4fth Transcriptional regulator (NtrC family) Author chain B Reference sequence 374–442 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.