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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：P04574 New Search
7PDB entries
7Biological assembly
12chain/assembly records
UNP PDB Protein and construct Assembly Composition class Protein state Molecular copy count PDB declaration Consistency status
P04574 1alv CALPAIN Author chain A Reference sequence 94–266 1 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
P04574 1alv CALPAIN Author chain B Reference sequence 94–266 1 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
P04574 1alw CALPAIN Author chain A Reference sequence 94–266 1 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
P04574 1alw CALPAIN Author chain B Reference sequence 94–266 1 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
P04574 1nx0 Calcium-dependent protease, small subunit Author chain A Reference sequence 94–266 1 Protein heterocomplex Heteromer Protein 5 pentameric （5） Consistent with protein count
P04574 1nx0 Calcium-dependent protease, small subunit Author chain B Reference sequence 94–266 1 Protein heterocomplex Heteromer Protein 5 pentameric （5） Consistent with protein count
P04574 1nx1 Calcium-dependent protease, small subunit Author chain A Reference sequence 94–266 1 Protein heterocomplex Heteromer Protein 4 tetrameric （4） Consistent with protein count
P04574 1nx1 Calcium-dependent protease, small subunit Author chain B Reference sequence 94–266 1 Protein heterocomplex Heteromer Protein 4 tetrameric （4） Consistent with protein count
P04574 1nx2 Calcium-dependent protease, small subunit Author chain A Reference sequence 94–266 1 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
P04574 1nx3 Calcium-dependent protease, small subunit Author chain A Reference sequence 94–266 1 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
P04574 4phn Calpain small subunit 1 Author chain A Reference sequence 94–266 1 Protein homooligomer Homooligomer Protein 2 Dimeric （2） Consistent with protein count
P04574 4phn Calpain small subunit 1 Author chain B Reference sequence 94–266 1 Protein homooligomer Homooligomer Protein 2 Dimeric （2） 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.