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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：Q9NQS7 New Search
14PDB entries
16Biological assembly
17chain/assembly records
Main Difference Dimensions in This Set
Different construct Different mutation/modification Different assembly state Different ligand/ion 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
2QFA Crystal structure of a Survivin-Borealin-INCENP core complex Deposited 2007-06-27 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain C 1–47（47 aa） Fragment：UNP residues 1-47
Not recorded ZN ZINC ION × 1 MES 2-(N-MORPHOLINO)-ETHANESULFONIC ACID × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 6；293 K；50mM MES pH6, 10% PEG3350, VAPOR DIFFUSION, temperature 293K
Resolution 1.40 Å R-free 0.202
4AF3 Human Aurora B Kinase in complex with INCENP and VX-680 Deposited 2012-01-16 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain D 835–903（69 aa） Fragment：RESIDUES 835-903
Not recorded VX6 CYCLOPROPANECARBOXYLIC ACID {4-[4-(4-METHYL-PIPERAZIN-1-YL)-6-(5-METHYL-2H-PYRAZOL-3-YLAMINO)-PYRIMIDIN-2-YLSULFANYL]-PHENYL}-AMIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions pH 6.15；10% W/V PEG 3350, 0.2 M KSCN, 10% ETHYLENE GLYCOL, 0.1 M BIS-TRISPROPANE PH 6.15
Resolution 2.75 Å R-free 0.264
6GR8 Human AURKC INCENP complex bound to BRD-7880 Deposited 2018-06-10 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 835–903（69 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) F8Z 1-[(2~{R},3~{S})-2-[[1,3-benzodioxol-5-ylmethyl(methyl)amino]methyl]-3-methyl-6-oxidanylidene-5-[(2~{S})-1-oxidanylpropan-2-yl]-3,4-dihydro-2~{H}-1,5-benzoxazocin-8-yl]-3-(4-methoxyphenyl)urea × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；277 K；0.2 M sodium chloride, 25% PEG3350, 0.1 M HEPES pH 7.5
Resolution 1.75 Å R-free 0.216
6GR9 Human AURKC INCENP complex bound to VX-680 Deposited 2018-06-10 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 835–903（69 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) VX6 CYCLOPROPANECARBOXYLIC ACID {4-[4-(4-METHYL-PIPERAZIN-1-YL)-6-(5-METHYL-2H-PYRAZOL-3-YLAMINO)-PYRIMIDIN-2-YLSULFANYL]-PHENYL}-AMIDE × 1 SO4 SULFATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；277 K；20 % PEG3350, 10 % ethylene glycol, 0.1 M bis-tris-propane pH 7.5, 0.2 M sodium sulfate
Resolution 2.25 Å R-free 0.224
6YIE Structure of a Borealin-INCENP-Survivin complex Deposited 2020-04-01 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain C 1–58（58 aa）
Not recorded ZN ZINC ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 6；298 K；5 % (w/v) PEG 3,350, 50 mM MES pH 6.0
Resolution 3.49 Å R-free 0.324
6YIE Structure of a Borealin-INCENP-Survivin complex Deposited 2020-04-01 Assembly 2 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain F 1–58（58 aa）
Not recorded ZN ZINC ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 6；298 K；5 % (w/v) PEG 3,350, 50 mM MES pH 6.0
Resolution 3.49 Å R-free 0.324
6YIF Structure of Chromosomal Passenger Complex (CPC) bound to phosphorylated Histone 3 peptide at 1.8 A. Deposited 2020-04-01 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain C 7–57（51 aa）
Not recorded ZN ZINC ION × 1 SO4 SULFATE ION × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 6.5；291 K；20 % (w/v) PEG 4,000, 200 mM Lithium sulphate, 50 mM MES pH 6.5
Resolution 1.81 Å R-free 0.223
6YIH Structure of Chromosomal Passenger Complex (CPC) bound to phosphorylated Histone 3 peptide at 2.6 A. Deposited 2020-04-01 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain C 5–80（76 aa）
Not recorded ZN ZINC ION × 1 SO4 SULFATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 7；291 K；20 % (w/v) PEG 4,000, 100 mM HEPES pH 7.0, 150 mM ammonium sulphate
Resolution 2.55 Å R-free 0.259
8RUP Chromosome Passenger Complex (CPC) localization module in complex with H3.T3p-nucleosome Deposited 2024-01-31 Assembly 1 Protein–DNA Heteromer；Protein × 11 PDB declaration: 13-meric（13） Consistent with all polymers
Chain M 1–80（80 aa）
Not recorded ZN ZINC ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；10 mM TRIS-HCl, pH 7.5, 150 mM NaCl, 2 mM DTT, 0.3% n-octyl-beta-D-glucoside
cryo-EM vitrification conditions Cryogen ETHANE；3 s blotting time, -10 force, no wait time.
Resolution 2.42 Å
9ESA Aurora-C with SER mutation in complex with INCENP peptide Deposited 2024-03-26 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain CCC 834–891（58 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.5；293 K；0.1 M Bis-Tris pH5.5, 0.025-0.05 M ammonium sulphate, 9-12% PEG3350
Resolution 2.80 Å R-free 0.294
9ESA Aurora-C with SER mutation in complex with INCENP peptide Deposited 2024-03-26 Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain DDD 834–891（58 aa）
Not recorded EDO 1,2-ETHANEDIOL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.5；293 K；0.1 M Bis-Tris pH5.5, 0.025-0.05 M ammonium sulphate, 9-12% PEG3350
Resolution 2.80 Å R-free 0.294
9N9F Cryo-EM structure of the SAH domain of human INCENP bound to the paclitaxel-stabilized microtubule Deposited 2025-02-10 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain S 1–918（918 aa）
Not recorded GTP GUANOSINE-5'-TRIPHOSPHATE × 2 ZN ZINC ION × 2 MG MAGNESIUM ION × 3 GDP GUANOSINE-5'-DIPHOSPHATE × 1 TA1 TAXOL × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 6.8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.91 Å
9SI3 Chromosomal Passenger Complex in complex with H3T3ph Nucleosome Deposited 2025-08-28 Assembly 1 Protein–DNA Heteromer；Protein × 12 PDB declaration: 14-meric（14） Consistent with all polymers
Chain N 1–918（918 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.83 Å
9SI9 Chromosomal Passenger Complex in complex with H3T3ph Nucleosome (Class0) Deposited 2025-08-28 Assembly 1 Protein–DNA Heteromer；Protein × 12 PDB declaration: 14-meric（14） Consistent with all polymers
Chain N 1–918（918 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.86 Å
9SJ5 Chromosomal Passenger Complex in complex with H3T3ph Nucleosome (Class1) Deposited 2025-08-29 Assembly 1 Protein–DNA Heteromer；Protein × 12 PDB declaration: 14-meric（14） Consistent with all polymers
Chain N 1–918（918 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.85 Å
9SLJ Chromosomal Passenger Complex in complex with H3T3ph Nucleosome (Double Occupancy) Deposited 2025-09-04 Assembly 1 Protein–DNA Heteromer；Protein × 14 PDB declaration: 16-meric（16） Consistent with all polymers
Chain N 1–918（918 aa）
Chain Q 1–918（918 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.80 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.