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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：Q9NXV2 New Search
9PDB entries
9Biological assembly
45chain/assembly records
Main Difference Dimensions in This Set
Different construct Different mutation/modification Different assembly state Different experimental method Different experimental conditions Different structure-quality metrics

Difference tags compare only the current result set; every original PDB and assembly record remains separate.

Related-Structure Differences

Each row represents one biological assembly in one PDB entry; multiple monomers of the same protein are listed separately.

PDB Entry Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Experimental Method Experimental Conditions Structure Quality
3DRX X-ray crystal structure of human KCTD5 protein crystallized in high-salt buffer Deposited 2008-07-11 Assembly 1 Protein homooligomer Homooligomer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain A 34–234（201 aa） Fragment：UNP residues 34-234
Chain B 34–234（201 aa） Fragment：UNP residues 34-234
Chain C 34–234（201 aa） Fragment：UNP residues 34-234
Chain D 34–234（201 aa） Fragment：UNP residues 34-234
Chain E 34–234（201 aa） Fragment：UNP residues 34-234
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 8.5；298 K；3.2 M NaCl, 100 mM Tris-HCl, pH 8.5, VAPOR DIFFUSION, temperature 298K
Resolution 3.11 Å R-free 0.275
3DRY X-ray crystal structure of human KCTD5 protein crystallized in low-salt buffer Deposited 2008-07-11 Assembly 1 Protein homooligomer Homooligomer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain A 34–234（201 aa） Fragment：UNP residues 34-234
Chain B 34–234（201 aa） Fragment：UNP residues 34-234
Chain C 34–234（201 aa） Fragment：UNP residues 34-234
Chain D 34–234（201 aa） Fragment：UNP residues 34-234
Chain E 34–234（201 aa） Fragment：UNP residues 34-234
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 7.5；0.2 M proline, 100 mM HEPES, 7% (w/v) PEG 3350, pH 7.5, VAPOR DIFFUSION
Resolution 3.30 Å R-free 0.308
3DRZ X-ray crystal structure of the N-terminal BTB domain of human KCTD5 protein Deposited 2008-07-11 Assembly 1 Protein homooligomer Homooligomer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain A 40–145（106 aa） Fragment：N-terminal domain, UNP residues 40-145
Chain B 40–145（106 aa） Fragment：N-terminal domain, UNP residues 40-145
Chain C 40–145（106 aa） Fragment：N-terminal domain, UNP residues 40-145
Chain D 40–145（106 aa） Fragment：N-terminal domain, UNP residues 40-145
Chain E 40–145（106 aa） Fragment：N-terminal domain, UNP residues 40-145
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 7.5；298 K；24% (w/v) PEG 3350, 100 mM MgCl2, 100 M HEPES, pH 7.5, VAPOR DIFFUSION, temperature 298K
Resolution 1.90 Å R-free 0.232
8U7Z KCTD5/Cullin3/Gbeta1gamma2 Complex: Local Refinment of KCTD5(CTD)/Gbeta1gamma2 Deposited 2023-09-15 Assembly 1 Protein heterocomplex Heteromer；Protein × 15 PDB declaration: pentadecameric（15） Consistent with protein count
Chain K1 1–234（234 aa）
Chain K2 1–234（234 aa）
Chain K3 1–234（234 aa）
Chain K4 1–234（234 aa）
Chain K5 1–234（234 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.97 Å
8U80 KCTD5/Cullin3/Gbeta1gamma2 Complex: Local Refinment of KCTD5(BTB)/Cullin3(NTD) Deposited 2023-09-15 Assembly 1 Protein heterocomplex Heteromer；Protein × 10 PDB declaration: decameric（10） Consistent with protein count
Chain K1 1–234（234 aa）
Chain K2 1–234（234 aa）
Chain K3 1–234（234 aa）
Chain K4 1–234（234 aa）
Chain K5 1–234（234 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.60 Å
8U81 KCTD5/Cullin3/Gbeta1gamma2 Complex: State A From Composite RELION Multi-body Refinement Map Deposited 2023-09-15 Assembly 1 Protein heterocomplex Heteromer；Protein × 20 PDB declaration: eicosameric（20） Consistent with protein count
Chain K1 1–233（233 aa）
Chain K2 1–233（233 aa）
Chain K3 1–233（233 aa）
Chain K4 1–233（233 aa）
Chain K5 1–233（233 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.82 Å
8U82 KCTD5/Cullin3/Gbeta1gamma2 Complex: State B From Composite RELION Multi-body Refinement Map Deposited 2023-09-15 Assembly 1 Protein heterocomplex Heteromer；Protein × 20 PDB declaration: eicosameric（20） Consistent with protein count
Chain K1 1–234（234 aa）
Chain K2 1–234（234 aa）
Chain K3 1–234（234 aa）
Chain K4 1–234（234 aa）
Chain K5 1–234（234 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.84 Å
8U83 KCTD5/Cullin3/Gbeta1gamma2 Complex: State C From Composite RELION Multi-body Refinement Map Deposited 2023-09-15 Assembly 1 Protein heterocomplex Heteromer；Protein × 20 PDB declaration: eicosameric（20） Consistent with protein count
Chain K1 1–234（234 aa）
Chain K2 1–234（234 aa）
Chain K3 1–234（234 aa）
Chain K4 1–234（234 aa）
Chain K5 1–234（234 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.98 Å
8U84 KCTD5/Cullin3/Gbeta1gamma2 Complex: State D From Composite RELION Multi-body Refinement Map Deposited 2023-09-15 Assembly 1 Protein heterocomplex Heteromer；Protein × 20 PDB declaration: eicosameric（20） Consistent with protein count
Chain K1 1–234（234 aa）
Chain K2 1–234（234 aa）
Chain K3 1–234（234 aa）
Chain K4 1–234（234 aa）
Chain K5 1–234（234 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.88 Å

This page presents structural evidence recorded in PDB/mmCIF.“No recorded non-water small molecule” does not prove that the experimental sample was ligand-free; experimental conditions belong to the PDB experiment, while ligands and copy counts are shown for each biological assembly.