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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：Q9BV90 New Search
5PDB entries
5Biological assembly
5chain/assembly records
UNP PDB Protein and construct Assembly Composition class Protein state Molecular copy count PDB declaration Consistency status
Q9BV90 8r7n U11/U12 small nuclear ribonucleoprotein 25 kDa protein Author chain B Reference sequence 1–132 1 Protein–RNA Heteromer Protein 12 RNA 1 13-meric （13） Consistent with all polymers
Q9BV90 8y6o U11/U12 small nuclear ribonucleoprotein 25 kDa protein Author chain X Reference sequence 1–132 1 Protein–RNA Heteromer Protein 41 RNA 5 46-meric （46） Consistent with all polymers
Q9BV90 9gbw U11/U12 small nuclear ribonucleoprotein 25 kDa protein Author chain B Reference sequence 1–132 1 Protein–RNA Heteromer Protein 12 RNA 2 14-meric （14） Consistent with all polymers
Q9BV90 9gbz U11/U12 small nuclear ribonucleoprotein 25 kDa protein Author chain B Reference sequence 1–132 1 Protein–RNA Heteromer Protein 2 RNA 2 tetrameric （4） Consistent with all polymers
Q9BV90 9gcm U11/U12 small nuclear ribonucleoprotein 25 kDa protein Author chain B Reference sequence 1–132 1 Protein–RNA Heteromer Protein 3 RNA 1 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.