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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：P01820 New Search
15PDB entries
22Biological assembly
46chain/assembly records
UNP PDB Protein and construct Assembly Composition class Protein state Molecular copy count PDB declaration Consistency status
P01820 1a2y IGG1-KAPPA D1.3 FV (HEAVY CHAIN) Author chain B Reference sequence 20–115 1 Protein heterocomplex Heteromer Protein 3 trimeric （3） Consistent with protein count
P01820 1a7n IGG1-KAPPA D1.3 FV (HEAVY CHAIN) Author chain H Reference sequence 133–248 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P01820 1a7o IGG1-KAPPA D1.3 FV (HEAVY CHAIN) Author chain H Reference sequence 133–248 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P01820 1a7p IGG1-KAPPA D1.3 FV (HEAVY CHAIN) Author chain H Reference sequence 133–248 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P01820 1a7r IGG1-KAPPA D1.3 FV (HEAVY CHAIN) Author chain H Reference sequence 133–248 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P01820 1dvf FV D1.3 Author chain B Reference sequence 133–248 1 Protein heterocomplex Heteromer Protein 4 tetrameric （4） Consistent with protein count
P01820 1dvf FV D1.3 Author chain B Reference sequence 133–248 2 Protein heterocomplex Heteromer Protein 8 octameric （8） Consistent with protein count
P01820 1g7h ANTI-HEN EGG WHITE LYSOZYME MONOCLONAL ANTIBODY D1.3 Author chain B Reference sequence 133–248 1 Protein heterocomplex Heteromer Protein 3 trimeric （3） Consistent with protein count
P01820 1g7i ANTI-HEN EGG WHITE LYSOZYME MONOCLONAL ANTIBODY D1.3 Author chain B Reference sequence 133–248 1 Protein heterocomplex Heteromer Protein 3 trimeric （3） Consistent with protein count
P01820 1g7j ANTI-HEN EGG WHITE LYSOZYME MONOCLONAL ANTIBODY D1.3 Author chain B Reference sequence 133–248 1 Protein heterocomplex Heteromer Protein 3 trimeric （3） Consistent with protein count
P01820 1g7l ANTI-HEN EGG WHITE LYSOZYME MONOCLONAL ANTIBODY D1.3 Author chain B Reference sequence 133–248 1 Protein heterocomplex Heteromer Protein 3 trimeric （3） Consistent with protein count
P01820 1g7m ANTI-HEN EGG WHITE LYSOZYME MONOCLONAL ANTIBODY D1.3 Author chain B Reference sequence 133–248 1 Protein heterocomplex Heteromer Protein 3 trimeric （3） Consistent with protein count
P01820 1p4b Antibody Variable heavy chain Author chain H Reference sequence 26–115 1 Protein heterocomplex Heteromer Protein 3 trimeric （3） Consistent with protein count
P01820 1p4i antibody variable heavy chain Author chain H Reference sequence 21–115 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P01820 43c9 PROTEIN (IMMUNOGLOBULIN (HEAVY CHAIN)) Author chain B Reference sequence 20–114 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P01820 43c9 PROTEIN (IMMUNOGLOBULIN (HEAVY CHAIN)) Author chain D Reference sequence 20–114 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P01820 43c9 PROTEIN (IMMUNOGLOBULIN (HEAVY CHAIN)) Author chain F Reference sequence 20–114 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P01820 43c9 PROTEIN (IMMUNOGLOBULIN (HEAVY CHAIN)) Author chain H Reference sequence 20–114 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P01820 43c9 PROTEIN (IMMUNOGLOBULIN (HEAVY CHAIN)) Author chain B Reference sequence 20–114 2 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P01820 43c9 PROTEIN (IMMUNOGLOBULIN (HEAVY CHAIN)) Author chain D Reference sequence 20–114 2 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P01820 43c9 PROTEIN (IMMUNOGLOBULIN (HEAVY CHAIN)) Author chain F Reference sequence 20–114 2 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P01820 43c9 PROTEIN (IMMUNOGLOBULIN (HEAVY CHAIN)) Author chain H Reference sequence 20–114 2 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P01820 43c9 PROTEIN (IMMUNOGLOBULIN (HEAVY CHAIN)) Author chain B Reference sequence 20–114 3 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P01820 43c9 PROTEIN (IMMUNOGLOBULIN (HEAVY CHAIN)) Author chain D Reference sequence 20–114 3 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P01820 43c9 PROTEIN (IMMUNOGLOBULIN (HEAVY CHAIN)) Author chain F Reference sequence 20–114 3 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P01820 43c9 PROTEIN (IMMUNOGLOBULIN (HEAVY CHAIN)) Author chain H Reference sequence 20–114 3 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P01820 43c9 PROTEIN (IMMUNOGLOBULIN (HEAVY CHAIN)) Author chain B Reference sequence 20–114 4 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P01820 43c9 PROTEIN (IMMUNOGLOBULIN (HEAVY CHAIN)) Author chain D Reference sequence 20–114 4 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P01820 43c9 PROTEIN (IMMUNOGLOBULIN (HEAVY CHAIN)) Author chain F Reference sequence 20–114 4 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P01820 43c9 PROTEIN (IMMUNOGLOBULIN (HEAVY CHAIN)) Author chain H Reference sequence 20–114 4 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P01820 43ca PROTEIN (IMMUNOGLOBULIN (HEAVY CHAIN)) Author chain B Reference sequence 20–114 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P01820 43ca PROTEIN (IMMUNOGLOBULIN (HEAVY CHAIN)) Author chain D Reference sequence 20–114 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P01820 43ca PROTEIN (IMMUNOGLOBULIN (HEAVY CHAIN)) Author chain F Reference sequence 20–114 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P01820 43ca PROTEIN (IMMUNOGLOBULIN (HEAVY CHAIN)) Author chain H Reference sequence 20–114 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P01820 43ca PROTEIN (IMMUNOGLOBULIN (HEAVY CHAIN)) Author chain B Reference sequence 20–114 2 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P01820 43ca PROTEIN (IMMUNOGLOBULIN (HEAVY CHAIN)) Author chain D Reference sequence 20–114 2 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P01820 43ca PROTEIN (IMMUNOGLOBULIN (HEAVY CHAIN)) Author chain F Reference sequence 20–114 2 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P01820 43ca PROTEIN (IMMUNOGLOBULIN (HEAVY CHAIN)) Author chain H Reference sequence 20–114 2 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P01820 43ca PROTEIN (IMMUNOGLOBULIN (HEAVY CHAIN)) Author chain B Reference sequence 20–114 3 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P01820 43ca PROTEIN (IMMUNOGLOBULIN (HEAVY CHAIN)) Author chain D Reference sequence 20–114 3 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P01820 43ca PROTEIN (IMMUNOGLOBULIN (HEAVY CHAIN)) Author chain F Reference sequence 20–114 3 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P01820 43ca PROTEIN (IMMUNOGLOBULIN (HEAVY CHAIN)) Author chain H Reference sequence 20–114 3 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P01820 43ca PROTEIN (IMMUNOGLOBULIN (HEAVY CHAIN)) Author chain B Reference sequence 20–114 4 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P01820 43ca PROTEIN (IMMUNOGLOBULIN (HEAVY CHAIN)) Author chain D Reference sequence 20–114 4 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P01820 43ca PROTEIN (IMMUNOGLOBULIN (HEAVY CHAIN)) Author chain F Reference sequence 20–114 4 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
P01820 43ca PROTEIN (IMMUNOGLOBULIN (HEAVY CHAIN)) Author chain H Reference sequence 20–114 4 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.