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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：Q309F2 New Search
2PDB entries
4Biological assembly
8chain/assembly records
UNP PDB Protein and construct Assembly Composition class Protein state Molecular copy count PDB declaration Consistency status
Q309F2 2f2o Calmodulin fused with calmodulin-binding domain of calcineurin Author chain A Reference sequence 389–413 1 Insufficient information Homooligomer Protein 2 dimeric （2） Consistent with protein count
Q309F2 2f2o Calmodulin fused with calmodulin-binding domain of calcineurin Author chain B Reference sequence 389–413 1 Insufficient information Homooligomer Protein 2 dimeric （2） Consistent with protein count
Q309F2 2f2o Calmodulin fused with calmodulin-binding domain of calcineurin Author chain A Reference sequence 389–413 2 Insufficient information Homooligomer Protein 4 tetrameric （4） Consistent with protein count
Q309F2 2f2o Calmodulin fused with calmodulin-binding domain of calcineurin Author chain B Reference sequence 389–413 2 Insufficient information Homooligomer Protein 4 tetrameric （4） Consistent with protein count
Q309F2 2f2p Calmodulin fused with calmodulin-binding domain of calcineurin Author chain A Reference sequence 389–413 1 Insufficient information Homooligomer Protein 2 dimeric （2） Consistent with protein count
Q309F2 2f2p Calmodulin fused with calmodulin-binding domain of calcineurin Author chain B Reference sequence 389–413 1 Insufficient information Homooligomer Protein 2 dimeric （2） Consistent with protein count
Q309F2 2f2p Calmodulin fused with calmodulin-binding domain of calcineurin Author chain A Reference sequence 389–413 2 Insufficient information Homooligomer Protein 4 tetrameric （4） Consistent with protein count
Q309F2 2f2p Calmodulin fused with calmodulin-binding domain of calcineurin Author chain B Reference sequence 389–413 2 Insufficient information Homooligomer Protein 4 tetrameric （4） 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.