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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：P16667 New Search
3PDB entries
6Biological assembly
14chain/assembly records
UNP PDB Protein and construct Assembly Composition class Protein state Molecular copy count PDB declaration Consistency status
P16667 2reu Type II restriction enzyme Sau3AI Author chain A Reference sequence 233–489 1 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
P16667 4pxg Type-2 restriction enzyme Sau3AI Author chain A Reference sequence 1–489 1 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
P16667 4pxg Type-2 restriction enzyme Sau3AI Author chain B Reference sequence 1–489 1 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
P16667 4pxg Type-2 restriction enzyme Sau3AI Author chain A Reference sequence 1–489 2 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
P16667 4pxg Type-2 restriction enzyme Sau3AI Author chain B Reference sequence 1–489 2 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
P16667 7xm0 Type II restriction enzyme Sau3AI Author chain A Reference sequence 233–489 1 Protein–DNA Monomer Protein 1 DNA 2 trimeric （3） Consistent with all polymers
P16667 7xm0 Type II restriction enzyme Sau3AI Author chain B Reference sequence 233–489 1 Protein–DNA Monomer Protein 1 DNA 2 trimeric （3） Consistent with all polymers
P16667 7xm0 Type II restriction enzyme Sau3AI Author chain C Reference sequence 233–489 1 Protein–DNA Monomer Protein 1 DNA 2 trimeric （3） Consistent with all polymers
P16667 7xm0 Type II restriction enzyme Sau3AI Author chain A Reference sequence 233–489 2 Protein–DNA Monomer Protein 1 DNA 2 trimeric （3） Consistent with all polymers
P16667 7xm0 Type II restriction enzyme Sau3AI Author chain B Reference sequence 233–489 2 Protein–DNA Monomer Protein 1 DNA 2 trimeric （3） Consistent with all polymers
P16667 7xm0 Type II restriction enzyme Sau3AI Author chain C Reference sequence 233–489 2 Protein–DNA Monomer Protein 1 DNA 2 trimeric （3） Consistent with all polymers
P16667 7xm0 Type II restriction enzyme Sau3AI Author chain A Reference sequence 233–489 3 Protein–DNA Monomer Protein 1 DNA 2 trimeric （3） Consistent with all polymers
P16667 7xm0 Type II restriction enzyme Sau3AI Author chain B Reference sequence 233–489 3 Protein–DNA Monomer Protein 1 DNA 2 trimeric （3） Consistent with all polymers
P16667 7xm0 Type II restriction enzyme Sau3AI Author chain C Reference sequence 233–489 3 Protein–DNA Monomer Protein 1 DNA 2 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.