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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：Q9H1A4 New Search
19PDB entries
19Biological assembly
23chain/assembly records
UNP PDB Protein and construct Assembly Composition class Protein state Molecular copy count PDB declaration Consistency status
Q9H1A4 4ui9 ANAPHASE-PROMOTING COMPLEX SUBUNIT 1 Author chain A Reference sequence 1–1944 1 Protein heterocomplex Heteromer Protein 23 23-meric （23） Consistent with protein count
Q9H1A4 5g04 ANAPHASE-PROMOTING COMPLEX SUBUNIT 1 Author chain A Reference sequence 1–1944 1 Protein heterocomplex Heteromer Protein 21 21-meric （21） Consistent with protein count
Q9H1A4 5g05 ANAPHASE-PROMOTING COMPLEX SUBUNIT 1 Author chain A Reference sequence 1–1944 1 Protein heterocomplex Heteromer Protein 20 eicosameric （20） Consistent with protein count
Q9H1A4 5khr Anaphase-promoting complex subunit 1 Author chain A Reference sequence 1–1944 1 Protein heterocomplex Heteromer Protein 21 21-meric （21） Consistent with protein count
Q9H1A4 5khu Anaphase-promoting complex subunit 1 Author chain A Reference sequence 1–1944 1 Protein heterocomplex Heteromer Protein 23 23-meric （23） Consistent with protein count
Q9H1A4 5l9t Anaphase-promoting complex subunit 1 Author chain A Reference sequence 1–1944 1 Insufficient information Heteromer Protein 22 22-meric （22） Consistent with protein count
Q9H1A4 5l9u Anaphase-promoting complex subunit 1 Author chain A Reference sequence 1–1944 1 Insufficient information Heteromer Protein 22 22-meric （22） Consistent with protein count
Q9H1A4 5lcw Anaphase-promoting complex subunit 1 Author chain A Reference sequence 1–1944 1 Protein heterocomplex Heteromer Protein 23 23-meric （23） Consistent with protein count
Q9H1A4 5lgg ;Anaphase-promoting complex subunit 1,Anaphase-promoting complex subunit 1,Anaphase-promoting complex subunit 1,Anaphase-promoting complex subunit 1 ; Author chain A Reference sequence 1–33 1 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
Q9H1A4 5lgg ;Anaphase-promoting complex subunit 1,Anaphase-promoting complex subunit 1,Anaphase-promoting complex subunit 1,Anaphase-promoting complex subunit 1 ; Author chain A Reference sequence 70–306 1 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
Q9H1A4 5lgg ;Anaphase-promoting complex subunit 1,Anaphase-promoting complex subunit 1,Anaphase-promoting complex subunit 1,Anaphase-promoting complex subunit 1 ; Author chain A Reference sequence 403–522 1 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
Q9H1A4 5lgg ;Anaphase-promoting complex subunit 1,Anaphase-promoting complex subunit 1,Anaphase-promoting complex subunit 1,Anaphase-promoting complex subunit 1 ; Author chain A Reference sequence 581–613 1 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
Q9H1A4 6q6g Anaphase-promoting complex subunit 1,Anaphase-promoting complex subunit 1 Author chain A Reference sequence 1–306 1 Protein heterocomplex Heteromer Protein 21 21-meric （21） Consistent with protein count
Q9H1A4 6q6g Anaphase-promoting complex subunit 1,Anaphase-promoting complex subunit 1 Author chain A Reference sequence 397–1944 1 Protein heterocomplex Heteromer Protein 21 21-meric （21） Consistent with protein count
Q9H1A4 6tlj Anaphase-promoting complex subunit 1 Author chain A Reference sequence 1–1944 1 Protein heterocomplex Heteromer Protein 23 23-meric （23） Consistent with protein count
Q9H1A4 6tm5 Anaphase-promoting complex subunit 1 Author chain A Reference sequence 1–1944 1 Protein heterocomplex Heteromer Protein 22 22-meric （22） Consistent with protein count
Q9H1A4 6tnt Anaphase-promoting complex subunit 1 Author chain A Reference sequence 1–1944 1 Protein heterocomplex Heteromer Protein 20 eicosameric （20） Consistent with protein count
Q9H1A4 8pkp Anaphase-promoting complex subunit 1 Author chain A Reference sequence 1–1944 1 Protein heterocomplex Heteromer Protein 19 19-meric （19） Consistent with protein count
Q9H1A4 8tar Anaphase-promoting complex subunit 1 Author chain A Reference sequence 1–1944 1 Protein heterocomplex Heteromer Protein 22 22-meric （22） Consistent with protein count
Q9H1A4 8tau Anaphase-promoting complex subunit 1 Author chain A Reference sequence 1–1944 1 Protein heterocomplex Heteromer Protein 23 23-meric （23） Consistent with protein count
Q9H1A4 9gaw Anaphase-promoting complex subunit 1 Author chain A Reference sequence 1–1944 1 Protein heterocomplex Heteromer Protein 21 21-meric （21） Consistent with protein count
Q9H1A4 9n9r Anaphase-promoting complex subunit 1 Author chain A Reference sequence 1–1944 1 Protein heterocomplex Heteromer Protein 21 21-meric （21） Consistent with protein count
Q9H1A4 9n9s Anaphase-promoting complex subunit 1 Author chain A Reference sequence 1–1944 1 Protein heterocomplex Heteromer Protein 21 21-meric （21） 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.