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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：Q9Y3Q4 New Search
8PDB entries
9Biological assembly
20chain/assembly records
UNP PDB Protein and construct Assembly Composition class Protein state Molecular copy count PDB declaration Consistency status
Q9Y3Q4 2mng Potassium/sodium hyperpolarization-activated cyclic nucleotide-gated channel 4 Author chain A Reference sequence 579–707 1 Protein monomer Monomer Protein 1 monomeric （1） Consistent with protein count
Q9Y3Q4 3otf Potassium/sodium hyperpolarization-activated cyclic nucleotide-gated channel 4 Author chain A Reference sequence 521–739 1 Protein homooligomer Homooligomer Protein 4 tetrameric （4） Consistent with protein count
Q9Y3Q4 3u11 Potassium/sodium hyperpolarization-activated cyclic nucleotide-gated channel 4 Author chain A Reference sequence 521–723 1 Protein homooligomer Homooligomer Protein 4 tetrameric （4） Consistent with protein count
Q9Y3Q4 3u11 Potassium/sodium hyperpolarization-activated cyclic nucleotide-gated channel 4 Author chain B Reference sequence 521–723 1 Protein homooligomer Homooligomer Protein 4 tetrameric （4） Consistent with protein count
Q9Y3Q4 3u11 Potassium/sodium hyperpolarization-activated cyclic nucleotide-gated channel 4 Author chain A Reference sequence 521–723 2 Protein homooligomer Homooligomer Protein 4 tetrameric （4） Consistent with protein count
Q9Y3Q4 3u11 Potassium/sodium hyperpolarization-activated cyclic nucleotide-gated channel 4 Author chain B Reference sequence 521–723 2 Protein homooligomer Homooligomer Protein 4 tetrameric （4） Consistent with protein count
Q9Y3Q4 4hbn Potassium/sodium hyperpolarization-activated cyclic nucleotide-gated channel 4 Author chain A Reference sequence 521–724 1 Protein homooligomer Homooligomer Protein 4 tetrameric （4） Consistent with protein count
Q9Y3Q4 4kl1 Potassium/sodium hyperpolarization-activated cyclic nucleotide-gated channel 4 Author chain A Reference sequence 521–713 1 Protein homooligomer Homooligomer Protein 4 tetrameric （4） Consistent with protein count
Q9Y3Q4 4kl1 Potassium/sodium hyperpolarization-activated cyclic nucleotide-gated channel 4 Author chain B Reference sequence 521–713 1 Protein homooligomer Homooligomer Protein 4 tetrameric （4） Consistent with protein count
Q9Y3Q4 4kl1 Potassium/sodium hyperpolarization-activated cyclic nucleotide-gated channel 4 Author chain C Reference sequence 521–713 1 Protein homooligomer Homooligomer Protein 4 tetrameric （4） Consistent with protein count
Q9Y3Q4 4kl1 Potassium/sodium hyperpolarization-activated cyclic nucleotide-gated channel 4 Author chain D Reference sequence 521–713 1 Protein homooligomer Homooligomer Protein 4 tetrameric （4） Consistent with protein count
Q9Y3Q4 4nvp Potassium/sodium hyperpolarization-activated cyclic nucleotide-gated channel 4 Author chain A Reference sequence 521–723 1 Protein homooligomer Homooligomer Protein 4 tetrameric （4） Consistent with protein count
Q9Y3Q4 6gyn Potassium/sodium hyperpolarization-activated cyclic nucleotide-gated channel 4 Author chain A Reference sequence 201–719 1 Protein homooligomer Homooligomer Protein 4 tetrameric （4） Consistent with protein count
Q9Y3Q4 6gyn Potassium/sodium hyperpolarization-activated cyclic nucleotide-gated channel 4 Author chain B Reference sequence 201–719 1 Protein homooligomer Homooligomer Protein 4 tetrameric （4） Consistent with protein count
Q9Y3Q4 6gyn Potassium/sodium hyperpolarization-activated cyclic nucleotide-gated channel 4 Author chain C Reference sequence 201–719 1 Protein homooligomer Homooligomer Protein 4 tetrameric （4） Consistent with protein count
Q9Y3Q4 6gyn Potassium/sodium hyperpolarization-activated cyclic nucleotide-gated channel 4 Author chain D Reference sequence 201–719 1 Protein homooligomer Homooligomer Protein 4 tetrameric （4） Consistent with protein count
Q9Y3Q4 6gyo Potassium/sodium hyperpolarization-activated cyclic nucleotide-gated channel 4 Author chain A Reference sequence 201–719 1 Protein homooligomer Homooligomer Protein 4 tetrameric （4） Consistent with protein count
Q9Y3Q4 6gyo Potassium/sodium hyperpolarization-activated cyclic nucleotide-gated channel 4 Author chain B Reference sequence 201–719 1 Protein homooligomer Homooligomer Protein 4 tetrameric （4） Consistent with protein count
Q9Y3Q4 6gyo Potassium/sodium hyperpolarization-activated cyclic nucleotide-gated channel 4 Author chain C Reference sequence 201–719 1 Protein homooligomer Homooligomer Protein 4 tetrameric （4） Consistent with protein count
Q9Y3Q4 6gyo Potassium/sodium hyperpolarization-activated cyclic nucleotide-gated channel 4 Author chain D Reference sequence 201–719 1 Protein homooligomer 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.