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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：P31939 New Search
5PDB entries
9Biological assembly
34chain/assembly records
UNP PDB Protein and construct Assembly Composition class Protein state Molecular copy count PDB declaration Consistency status
P31939 1p4r Bifunctional purine biosynthesis protein PURH Author chain A Reference sequence 1–592 1 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
P31939 1p4r Bifunctional purine biosynthesis protein PURH Author chain B Reference sequence 1–592 1 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
P31939 1pkx Bifunctional purine biosynthesis protein PURH Author chain A Reference sequence 1–592 1 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
P31939 1pkx Bifunctional purine biosynthesis protein PURH Author chain B Reference sequence 1–592 1 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
P31939 1pkx Bifunctional purine biosynthesis protein PURH Author chain C Reference sequence 1–592 1 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
P31939 1pkx Bifunctional purine biosynthesis protein PURH Author chain D Reference sequence 1–592 1 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
P31939 1pkx Bifunctional purine biosynthesis protein PURH Author chain A Reference sequence 1–592 2 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
P31939 1pkx Bifunctional purine biosynthesis protein PURH Author chain B Reference sequence 1–592 2 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
P31939 1pkx Bifunctional purine biosynthesis protein PURH Author chain C Reference sequence 1–592 2 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
P31939 1pkx Bifunctional purine biosynthesis protein PURH Author chain D Reference sequence 1–592 2 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
P31939 1pl0 Bifunctional purine biosynthesis protein PURH Author chain A Reference sequence 1–592 1 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
P31939 1pl0 Bifunctional purine biosynthesis protein PURH Author chain B Reference sequence 1–592 1 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
P31939 1pl0 Bifunctional purine biosynthesis protein PURH Author chain C Reference sequence 1–592 1 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
P31939 1pl0 Bifunctional purine biosynthesis protein PURH Author chain D Reference sequence 1–592 1 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
P31939 1pl0 Bifunctional purine biosynthesis protein PURH Author chain A Reference sequence 1–592 2 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
P31939 1pl0 Bifunctional purine biosynthesis protein PURH Author chain B Reference sequence 1–592 2 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
P31939 1pl0 Bifunctional purine biosynthesis protein PURH Author chain C Reference sequence 1–592 2 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
P31939 1pl0 Bifunctional purine biosynthesis protein PURH Author chain D Reference sequence 1–592 2 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
P31939 5uy8 Bifunctional purine biosynthesis protein PURH Author chain A Reference sequence 2–592 1 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
P31939 5uy8 Bifunctional purine biosynthesis protein PURH Author chain B Reference sequence 2–592 1 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
P31939 5uy8 Bifunctional purine biosynthesis protein PURH Author chain C Reference sequence 2–592 1 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
P31939 5uy8 Bifunctional purine biosynthesis protein PURH Author chain D Reference sequence 2–592 1 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
P31939 5uy8 Bifunctional purine biosynthesis protein PURH Author chain A Reference sequence 2–592 2 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
P31939 5uy8 Bifunctional purine biosynthesis protein PURH Author chain B Reference sequence 2–592 2 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
P31939 5uy8 Bifunctional purine biosynthesis protein PURH Author chain C Reference sequence 2–592 2 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
P31939 5uy8 Bifunctional purine biosynthesis protein PURH Author chain D Reference sequence 2–592 2 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
P31939 5uz0 Bifunctional purine biosynthesis protein PURH Author chain A Reference sequence 2–592 1 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
P31939 5uz0 Bifunctional purine biosynthesis protein PURH Author chain B Reference sequence 2–592 1 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
P31939 5uz0 Bifunctional purine biosynthesis protein PURH Author chain C Reference sequence 2–592 1 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
P31939 5uz0 Bifunctional purine biosynthesis protein PURH Author chain D Reference sequence 2–592 1 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
P31939 5uz0 Bifunctional purine biosynthesis protein PURH Author chain A Reference sequence 2–592 2 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
P31939 5uz0 Bifunctional purine biosynthesis protein PURH Author chain B Reference sequence 2–592 2 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
P31939 5uz0 Bifunctional purine biosynthesis protein PURH Author chain C Reference sequence 2–592 2 Protein homooligomer Homooligomer Protein 2 dimeric （2） Consistent with protein count
P31939 5uz0 Bifunctional purine biosynthesis protein PURH Author chain D Reference sequence 2–592 2 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.