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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：Q48436 New Search
2PDB entries
3Biological assembly
24chain/assembly records
UNP PDB Protein and construct Assembly Composition class Protein state Molecular copy count PDB declaration Consistency status
Q48436 1geg ACETOIN REDUCTASE Author chain A Reference sequence 1–256 1 Protein homooligomer Homooligomer Protein 4 tetrameric （4） Consistent with protein count
Q48436 1geg ACETOIN REDUCTASE Author chain B Reference sequence 1–256 1 Protein homooligomer Homooligomer Protein 4 tetrameric （4） Consistent with protein count
Q48436 1geg ACETOIN REDUCTASE Author chain C Reference sequence 1–256 1 Protein homooligomer Homooligomer Protein 4 tetrameric （4） Consistent with protein count
Q48436 1geg ACETOIN REDUCTASE Author chain D Reference sequence 1–256 1 Protein homooligomer Homooligomer Protein 4 tetrameric （4） Consistent with protein count
Q48436 1geg ACETOIN REDUCTASE Author chain E Reference sequence 1–256 1 Protein homooligomer Homooligomer Protein 4 tetrameric （4） Consistent with protein count
Q48436 1geg ACETOIN REDUCTASE Author chain F Reference sequence 1–256 1 Protein homooligomer Homooligomer Protein 4 tetrameric （4） Consistent with protein count
Q48436 1geg ACETOIN REDUCTASE Author chain G Reference sequence 1–256 1 Protein homooligomer Homooligomer Protein 4 tetrameric （4） Consistent with protein count
Q48436 1geg ACETOIN REDUCTASE Author chain H Reference sequence 1–256 1 Protein homooligomer Homooligomer Protein 4 tetrameric （4） Consistent with protein count
Q48436 1geg ACETOIN REDUCTASE Author chain A Reference sequence 1–256 2 Protein homooligomer Homooligomer Protein 4 tetrameric （4） Consistent with protein count
Q48436 1geg ACETOIN REDUCTASE Author chain B Reference sequence 1–256 2 Protein homooligomer Homooligomer Protein 4 tetrameric （4） Consistent with protein count
Q48436 1geg ACETOIN REDUCTASE Author chain C Reference sequence 1–256 2 Protein homooligomer Homooligomer Protein 4 tetrameric （4） Consistent with protein count
Q48436 1geg ACETOIN REDUCTASE Author chain D Reference sequence 1–256 2 Protein homooligomer Homooligomer Protein 4 tetrameric （4） Consistent with protein count
Q48436 1geg ACETOIN REDUCTASE Author chain E Reference sequence 1–256 2 Protein homooligomer Homooligomer Protein 4 tetrameric （4） Consistent with protein count
Q48436 1geg ACETOIN REDUCTASE Author chain F Reference sequence 1–256 2 Protein homooligomer Homooligomer Protein 4 tetrameric （4） Consistent with protein count
Q48436 1geg ACETOIN REDUCTASE Author chain G Reference sequence 1–256 2 Protein homooligomer Homooligomer Protein 4 tetrameric （4） Consistent with protein count
Q48436 1geg ACETOIN REDUCTASE Author chain H Reference sequence 1–256 2 Protein homooligomer Homooligomer Protein 4 tetrameric （4） Consistent with protein count
Q48436 3wye ;Diacetyl reductase [(S)-acetoin forming],L-2,3-butanediol dehydrogenase,Diacetyl reductase [(S)-acetoin forming],L-2,3-butanediol dehydrogenase,Diacetyl reductase [(S)-acetoin forming],L-2,3-butanediol dehydrogenase,Diacetyl reductase [(S)-acetoin forming] ; Author chain A Reference sequence 1–83 1 Insufficient information Homooligomer Protein 4 tetrameric （4） Consistent with protein count
Q48436 3wye ;Diacetyl reductase [(S)-acetoin forming],L-2,3-butanediol dehydrogenase,Diacetyl reductase [(S)-acetoin forming],L-2,3-butanediol dehydrogenase,Diacetyl reductase [(S)-acetoin forming],L-2,3-butanediol dehydrogenase,Diacetyl reductase [(S)-acetoin forming] ; Author chain A Reference sequence 119–134 1 Insufficient information Homooligomer Protein 4 tetrameric （4） Consistent with protein count
Q48436 3wye ;Diacetyl reductase [(S)-acetoin forming],L-2,3-butanediol dehydrogenase,Diacetyl reductase [(S)-acetoin forming],L-2,3-butanediol dehydrogenase,Diacetyl reductase [(S)-acetoin forming],L-2,3-butanediol dehydrogenase,Diacetyl reductase [(S)-acetoin forming] ; Author chain A Reference sequence 162–181 1 Insufficient information Homooligomer Protein 4 tetrameric （4） Consistent with protein count
Q48436 3wye ;Diacetyl reductase [(S)-acetoin forming],L-2,3-butanediol dehydrogenase,Diacetyl reductase [(S)-acetoin forming],L-2,3-butanediol dehydrogenase,Diacetyl reductase [(S)-acetoin forming],L-2,3-butanediol dehydrogenase,Diacetyl reductase [(S)-acetoin forming] ; Author chain A Reference sequence 234–256 1 Insufficient information Homooligomer Protein 4 tetrameric （4） Consistent with protein count
Q48436 3wye ;Diacetyl reductase [(S)-acetoin forming],L-2,3-butanediol dehydrogenase,Diacetyl reductase [(S)-acetoin forming],L-2,3-butanediol dehydrogenase,Diacetyl reductase [(S)-acetoin forming],L-2,3-butanediol dehydrogenase,Diacetyl reductase [(S)-acetoin forming] ; Author chain B Reference sequence 1–83 1 Insufficient information Homooligomer Protein 4 tetrameric （4） Consistent with protein count
Q48436 3wye ;Diacetyl reductase [(S)-acetoin forming],L-2,3-butanediol dehydrogenase,Diacetyl reductase [(S)-acetoin forming],L-2,3-butanediol dehydrogenase,Diacetyl reductase [(S)-acetoin forming],L-2,3-butanediol dehydrogenase,Diacetyl reductase [(S)-acetoin forming] ; Author chain B Reference sequence 119–134 1 Insufficient information Homooligomer Protein 4 tetrameric （4） Consistent with protein count
Q48436 3wye ;Diacetyl reductase [(S)-acetoin forming],L-2,3-butanediol dehydrogenase,Diacetyl reductase [(S)-acetoin forming],L-2,3-butanediol dehydrogenase,Diacetyl reductase [(S)-acetoin forming],L-2,3-butanediol dehydrogenase,Diacetyl reductase [(S)-acetoin forming] ; Author chain B Reference sequence 162–181 1 Insufficient information Homooligomer Protein 4 tetrameric （4） Consistent with protein count
Q48436 3wye ;Diacetyl reductase [(S)-acetoin forming],L-2,3-butanediol dehydrogenase,Diacetyl reductase [(S)-acetoin forming],L-2,3-butanediol dehydrogenase,Diacetyl reductase [(S)-acetoin forming],L-2,3-butanediol dehydrogenase,Diacetyl reductase [(S)-acetoin forming] ; Author chain B Reference sequence 234–256 1 Insufficient information Homooligomer Protein 4 tetrameric （4） 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.