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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：P03003 New Search
3PDB entries
4Biological assembly
4chain/assembly records
UNP PDB Protein and construct Assembly Composition class Protein state Molecular copy count PDB declaration Consistency status
P03003 1u9l Transcription elongation protein nusA Author chain A Reference sequence 352–421 1 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
P03003 1u9l Transcription elongation protein nusA Author chain A Reference sequence 352–421 2 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P03003 1wcl TRANSCRIPTION ELONGATION PROTEIN NUSA Author chain A Reference sequence 351–426 1 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
P03003 1wcn TRANSCRIPTION ELONGATION PROTEIN NUSA Author chain A Reference sequence 426–495 1 Protein monomer Monomer Protein 1 monomeric （1） 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.