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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：Q58440 New Search
5PDB entries
7Biological assembly
11chain/assembly records
UNP PDB Protein and construct Assembly Composition class Protein state Molecular copy count PDB declaration Consistency status
Q58440 1l9a SIGNAL RECOGNITION PARTICLE 19 KDA PROTEIN Author chain A Reference sequence 1–87 1 Protein–RNA Monomer Protein 1 RNA 1 dimeric （2） Consistent with all polymers
Q58440 1lng Signal recognition particle 19 kDa protein Author chain A Reference sequence 1–87 1 Protein–RNA Monomer Protein 1 RNA 1 dimeric （2） Consistent with all polymers
Q58440 2v3c SIGNAL RECOGNITION PARTICLE 19 KDA PROTEIN Author chain A Reference sequence 1–87 1 Protein–RNA Heteromer Protein 2 RNA 1 trimeric （3） Consistent with all polymers
Q58440 2v3c SIGNAL RECOGNITION PARTICLE 19 KDA PROTEIN Author chain B Reference sequence 1–87 1 Protein–RNA Heteromer Protein 2 RNA 1 trimeric （3） Consistent with all polymers
Q58440 2v3c SIGNAL RECOGNITION PARTICLE 19 KDA PROTEIN Author chain A Reference sequence 1–87 2 Protein–RNA Heteromer Protein 2 RNA 1 trimeric （3） Consistent with all polymers
Q58440 2v3c SIGNAL RECOGNITION PARTICLE 19 KDA PROTEIN Author chain B Reference sequence 1–87 2 Protein–RNA Heteromer Protein 2 RNA 1 trimeric （3） Consistent with all polymers
Q58440 3ndb Signal recognition particle 19 kDa protein Author chain A Reference sequence 1–87 1 Protein–RNA Heteromer Protein 2 RNA 1 trimeric （3） Consistent with all polymers
Q58440 4xco Signal recognition particle 19 kDa protein Author chain A Reference sequence 1–87 1 Protein–RNA Heteromer Protein 2 RNA 1 trimeric （3） Consistent with all polymers
Q58440 4xco Signal recognition particle 19 kDa protein Author chain B Reference sequence 1–87 1 Protein–RNA Heteromer Protein 2 RNA 1 trimeric （3） Consistent with all polymers
Q58440 4xco Signal recognition particle 19 kDa protein Author chain A Reference sequence 1–87 2 Protein–RNA Heteromer Protein 2 RNA 1 trimeric （3） Consistent with all polymers
Q58440 4xco Signal recognition particle 19 kDa protein Author chain B Reference sequence 1–87 2 Protein–RNA Heteromer Protein 2 RNA 1 trimeric （3） 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.