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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：P54548 New Search
3PDB entries
5Biological assembly
6chain/assembly records
UNP PDB Protein and construct Assembly Composition class Protein state Molecular copy count PDB declaration Consistency status
P54548 1y44 Ribonuclease Z Author chain A Reference sequence 1–307 1 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
P54548 1y44 Ribonuclease Z Author chain B Reference sequence 1–307 1 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
P54548 2fk6 RIBONUCLEASE Z Author chain A Reference sequence 1–307 1 Protein–RNA Homooligomer Protein 2 RNA 2 tetrameric （4） Consistent with all polymers
P54548 4gcw Ribonuclease Z Author chain A Reference sequence 1–307 1 Protein–RNA Monomer Protein 1 RNA 1 dimeric （2） Consistent with all polymers
P54548 4gcw Ribonuclease Z Author chain A Reference sequence 1–307 2 Protein–RNA Monomer Protein 1 RNA 1 dimeric （2） Consistent with all polymers
P54548 4gcw Ribonuclease Z Author chain A Reference sequence 1–307 3 Protein–RNA Homooligomer Protein 2 RNA 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.