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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：P12944 New Search
3PDB entries
10Biological assembly
44chain/assembly records
UNP PDB Protein and construct Assembly Composition class Protein state Molecular copy count PDB declaration Consistency status
P12944 1frv HYDROGENASE Author chain B Reference sequence 1–535 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P12944 1frv HYDROGENASE Author chain D Reference sequence 1–535 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P12944 1frv HYDROGENASE Author chain B Reference sequence 1–535 2 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P12944 1frv HYDROGENASE Author chain D Reference sequence 1–535 2 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P12944 1yq9 Periplasmic [NiFe] hydrogenase large subunit Author chain H Reference sequence 1–535 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P12944 1yq9 Periplasmic [NiFe] hydrogenase large subunit Author chain I Reference sequence 1–535 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P12944 1yq9 Periplasmic [NiFe] hydrogenase large subunit Author chain H Reference sequence 1–535 2 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P12944 1yq9 Periplasmic [NiFe] hydrogenase large subunit Author chain I Reference sequence 1–535 2 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P12944 2frv PERIPLASMIC HYDROGENASE Author chain B Reference sequence 1–535 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P12944 2frv PERIPLASMIC HYDROGENASE Author chain D Reference sequence 1–535 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P12944 2frv PERIPLASMIC HYDROGENASE Author chain F Reference sequence 1–535 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P12944 2frv PERIPLASMIC HYDROGENASE Author chain H Reference sequence 1–535 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P12944 2frv PERIPLASMIC HYDROGENASE Author chain J Reference sequence 1–535 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P12944 2frv PERIPLASMIC HYDROGENASE Author chain L Reference sequence 1–535 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P12944 2frv PERIPLASMIC HYDROGENASE Author chain B Reference sequence 1–535 2 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P12944 2frv PERIPLASMIC HYDROGENASE Author chain D Reference sequence 1–535 2 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P12944 2frv PERIPLASMIC HYDROGENASE Author chain F Reference sequence 1–535 2 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P12944 2frv PERIPLASMIC HYDROGENASE Author chain H Reference sequence 1–535 2 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P12944 2frv PERIPLASMIC HYDROGENASE Author chain J Reference sequence 1–535 2 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P12944 2frv PERIPLASMIC HYDROGENASE Author chain L Reference sequence 1–535 2 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P12944 2frv PERIPLASMIC HYDROGENASE Author chain B Reference sequence 1–535 3 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P12944 2frv PERIPLASMIC HYDROGENASE Author chain D Reference sequence 1–535 3 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P12944 2frv PERIPLASMIC HYDROGENASE Author chain F Reference sequence 1–535 3 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P12944 2frv PERIPLASMIC HYDROGENASE Author chain H Reference sequence 1–535 3 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P12944 2frv PERIPLASMIC HYDROGENASE Author chain J Reference sequence 1–535 3 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P12944 2frv PERIPLASMIC HYDROGENASE Author chain L Reference sequence 1–535 3 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P12944 2frv PERIPLASMIC HYDROGENASE Author chain B Reference sequence 1–535 4 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P12944 2frv PERIPLASMIC HYDROGENASE Author chain D Reference sequence 1–535 4 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P12944 2frv PERIPLASMIC HYDROGENASE Author chain F Reference sequence 1–535 4 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P12944 2frv PERIPLASMIC HYDROGENASE Author chain H Reference sequence 1–535 4 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P12944 2frv PERIPLASMIC HYDROGENASE Author chain J Reference sequence 1–535 4 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P12944 2frv PERIPLASMIC HYDROGENASE Author chain L Reference sequence 1–535 4 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P12944 2frv PERIPLASMIC HYDROGENASE Author chain B Reference sequence 1–535 5 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P12944 2frv PERIPLASMIC HYDROGENASE Author chain D Reference sequence 1–535 5 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P12944 2frv PERIPLASMIC HYDROGENASE Author chain F Reference sequence 1–535 5 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P12944 2frv PERIPLASMIC HYDROGENASE Author chain H Reference sequence 1–535 5 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P12944 2frv PERIPLASMIC HYDROGENASE Author chain J Reference sequence 1–535 5 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P12944 2frv PERIPLASMIC HYDROGENASE Author chain L Reference sequence 1–535 5 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P12944 2frv PERIPLASMIC HYDROGENASE Author chain B Reference sequence 1–535 6 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P12944 2frv PERIPLASMIC HYDROGENASE Author chain D Reference sequence 1–535 6 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P12944 2frv PERIPLASMIC HYDROGENASE Author chain F Reference sequence 1–535 6 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P12944 2frv PERIPLASMIC HYDROGENASE Author chain H Reference sequence 1–535 6 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P12944 2frv PERIPLASMIC HYDROGENASE Author chain J Reference sequence 1–535 6 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P12944 2frv PERIPLASMIC HYDROGENASE Author chain L Reference sequence 1–535 6 Protein heterocomplex Heteromer 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.