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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：Q96G21 New Search
3PDB entries
3Biological assembly
3chain/assembly records
UNP PDB Protein and construct Assembly Composition class Protein state Molecular copy count PDB declaration Consistency status
Q96G21 7mq8 U3 small nucleolar ribonucleoprotein protein IMP4 Author chain SM Reference sequence 1–291 1 Protein–RNA Heteromer Protein 71 RNA 4 75-meric （75） Consistent with all polymers
Q96G21 7mq9 U3 small nucleolar ribonucleoprotein protein IMP4 Author chain SM Reference sequence 1–291 1 Protein–RNA Heteromer Protein 70 RNA 4 74-meric （74） Consistent with all polymers
Q96G21 7mqa U3 small nucleolar ribonucleoprotein protein IMP4 Author chain SM Reference sequence 1–291 1 Protein–RNA Heteromer Protein 69 RNA 3 72-meric （72） 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.