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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：Q9NZQ3 New Search
6PDB entries
8Biological assembly
11chain/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
6DEC Crystal structure of Bos taurus Arp2/3 complex binding with C-terminus of Homo sapiens SPIN90 Deposited 2018-05-11 Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric（8） Consistent with protein count
Chain M 269–722（454 aa）
Not recorded CA CALCIUM ION × 2 ATP ADENOSINE-5'-TRIPHOSPHATE × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；293 K；50 mM HEPES, pH 7.5, 5% PEG3350, 50 mM L-Proline, 0.5 mM ATP, 0.5 mM calcium chloride, 1 mM DTT
Resolution 4.60 Å R-free 0.314
6DEC Crystal structure of Bos taurus Arp2/3 complex binding with C-terminus of Homo sapiens SPIN90 Deposited 2018-05-11 Assembly 2 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric（8） Consistent with protein count
Chain P 269–722（454 aa）
Not recorded CA CALCIUM ION × 2 ATP ADENOSINE-5'-TRIPHOSPHATE × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；293 K；50 mM HEPES, pH 7.5, 5% PEG3350, 50 mM L-Proline, 0.5 mM ATP, 0.5 mM calcium chloride, 1 mM DTT
Resolution 4.60 Å R-free 0.314
6DED Crystal structure of the C-terminal ARM domain of Homo sapiens SPIN90 (SH3-protein interacting with Nck), residues 351-722 Deposited 2018-05-11 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 350–722（373 aa） Fragment：UNP residues 350-722
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；293 K；50 mM Tris, pH 7.5, 700 mM sodium potassium tartrate
Resolution 2.20 Å R-free 0.239
6DED Crystal structure of the C-terminal ARM domain of Homo sapiens SPIN90 (SH3-protein interacting with Nck), residues 351-722 Deposited 2018-05-11 Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain B 350–722（373 aa） Fragment：UNP residues 350-722
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；293 K；50 mM Tris, pH 7.5, 700 mM sodium potassium tartrate
Resolution 2.20 Å R-free 0.239
6DEE Crystal structure of the C-terminus of Homo sapiens SPIN90 (SH3-protein interacting with Nck), residues 306-722 Deposited 2018-05-11 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 306–722（417 aa） Fragment：UNP residues 306-722
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6；293 K；50 mM MES, pH 6, 100 mM magnesium sulfate, 1.5% PEG6000
Resolution 3.04 Å R-free 0.308
9I2B SPIN90-Arp2/3 nucleated bidirectional actin filaments Deposited 2025-01-20 Assembly 1 Protein heterocomplex Heteromer；Protein × 24 PDB declaration: 24-meric（24） Consistent with protein count
Chain H 1–722（722 aa）
Chain R 1–722（722 aa）
Not recorded ADP ADENOSINE-5'-DIPHOSPHATE × 8 MG MAGNESIUM ION × 8 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.00 Å
9M5E Structure of SPIN90 dimer-Arp2/3 complex-nucleated actin filament (singlet complex) Deposited 2025-03-05 Assembly 1 Protein heterocomplex Heteromer；Protein × 12 PDB declaration: 12-meric（12） Consistent with protein count
Chain H 269–722（454 aa）
Chain h 269–722（454 aa）
Not recorded MG MAGNESIUM ION × 4 ADP ADENOSINE-5'-DIPHOSPHATE × 5 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.55 Å
9M64 Structure of SPIN90 dimer-Arp2/3 complexes-nucleated actin filaments (Doublet Complex) Deposited 2025-03-07 Assembly 1 Protein heterocomplex Heteromer；Protein × 24 PDB declaration: 24-meric（24） Consistent with protein count
Chain H 269–722（454 aa）
Chain h 269–722（454 aa）
Not recorded ADP ADENOSINE-5'-DIPHOSPHATE × 12 MG MAGNESIUM ION × 10 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 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.