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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：Q13813 New Search
7PDB entries
11Biological assembly
12chain/assembly records
Main Difference Dimensions in This Set
Different construct Different mutation/modification Different assembly state Different ligand/ion 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
2FOT Crystal structure of the complex between calmodulin and alphaII-spectrin Deposited 2006-01-13 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain C 1172–1211（40 aa） Fragment：Calmodulin binding domain
Mutation：L1211R CA CALCIUM ION × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8；298 K；50mM Tris,pH 8.00, 30% PEG 8000, 0.1M ammonium-sulfate, VAPOR DIFFUSION, SITTING DROP, temperature 298K
Resolution 2.45 Å R-free 0.269
3F31 Crystal Structure of the N-terminal region of AlphaII-spectrin Tetramerization Domain Deposited 2008-10-30 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–147（147 aa）
Chain B 1–147（147 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.4；293 K；PEG8000:PEG1000 (1:2), 4% 1,4-butane-diol, pH 7.4, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 2.30 Å R-free 0.280
3F31 Crystal Structure of the N-terminal region of AlphaII-spectrin Tetramerization Domain Deposited 2008-10-30 Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–147（147 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.4；293 K；PEG8000:PEG1000 (1:2), 4% 1,4-butane-diol, pH 7.4, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 2.30 Å R-free 0.280
3F31 Crystal Structure of the N-terminal region of AlphaII-spectrin Tetramerization Domain Deposited 2008-10-30 Assembly 3 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain B 1–147（147 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.4；293 K；PEG8000:PEG1000 (1:2), 4% 1,4-butane-diol, pH 7.4, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 2.30 Å R-free 0.280
3FB2 Crystal structure of the human brain alpha spectrin repeats 15 and 16. Northeast Structural Genomics Consortium target HR5563a. Deposited 2008-11-18 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1337–1544（208 aa） Fragment：Repeats 15 and 16
Non-standard monomer：Yes (specific site not provided by mmCIF) No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions microbatch crystallization under oil；pH 5；277 K；12% PEG 20000, 0.1M magnesium sulfate, 0.1M sodium acetate, pH 5.0, microbatch crystallization under oil, temperature 277K
Resolution 2.30 Å R-free 0.248
3FB2 Crystal structure of the human brain alpha spectrin repeats 15 and 16. Northeast Structural Genomics Consortium target HR5563a. Deposited 2008-11-18 Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain B 1337–1544（208 aa） Fragment：Repeats 15 and 16
Non-standard monomer：Yes (specific site not provided by mmCIF) No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions microbatch crystallization under oil；pH 5；277 K；12% PEG 20000, 0.1M magnesium sulfate, 0.1M sodium acetate, pH 5.0, microbatch crystallization under oil, temperature 277K
Resolution 2.30 Å R-free 0.248
5FW9 Human Spectrin SH3 domain D48G, E7Y, K60Y Deposited 2016-02-12 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 965–1025（61 aa） Fragment：SH3 DOMAIN, RESIDUES 965-1025
Mutation：YES No recorded non-water small molecule X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 1.55 Å R-free 0.249
5FWB Human Spectrin SH3 domain D48G, E7F, K60F Deposited 2016-02-12 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 965–1022（58 aa） Fragment：SH3, UNP RESIDUES 965-1025
Mutation：YES No recorded non-water small molecule X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 1.50 Å R-free 0.236
5FWC Human Spectrin SH3 domain D48G, E7A, K60A Deposited 2016-02-12 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 965–1022（58 aa） Fragment：SH3, RESIDUES 965-1022
Mutation：YES EDO 1,2-ETHANEDIOL × 2 NH4 AMMONIUM ION × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 1.40 Å R-free 0.238
6ZEH Structure of PP1-spectrin alpha II chimera [PP1(7-304) + linker (G/S)x9 + spectrin alpha II (1025-1039)] bound to Phactr1 (516-580) Deposited 2020-06-16 Assembly 1 Insufficient information Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1025–1039（15 aa）
Mutation：N-terminal Vector derived sequence GHMGS MN MANGANESE (II) ION × 2 PO4 PHOSPHATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.5；293 K；20% (w/v) polyethylene glycol 3350, 0.2 M NaI and 0.1 M BIS-Tris propane pH 8.5
Resolution 1.30 Å R-free 0.169
6ZEH Structure of PP1-spectrin alpha II chimera [PP1(7-304) + linker (G/S)x9 + spectrin alpha II (1025-1039)] bound to Phactr1 (516-580) Deposited 2020-06-16 Assembly 2 Insufficient information Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 1025–1039（15 aa）
Mutation：N-terminal Vector derived sequence GHMGS MN MANGANESE (II) ION × 2 PO4 PHOSPHATE ION × 1 SO4 SULFATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.5；293 K；20% (w/v) polyethylene glycol 3350, 0.2 M NaI and 0.1 M BIS-Tris propane pH 8.5
Resolution 1.30 Å R-free 0.169

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.