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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：P07221 New Search
5PDB entries
8Biological assembly
8chain/assembly records
Main Difference Dimensions in This Set
Different construct 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
1A8Y CRYSTAL STRUCTURE OF CALSEQUESTRIN FROM RABBIT SKELETAL MUSCLE SARCOPLASMIC RETICULUM AT 2.4 A RESOLUTION Deposited 1998-03-31 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 29–395（367 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions pH 6.5；pH 6.5
Resolution 2.40 Å R-free 0.242
3TRP Crystal structure of recombinant rabbit skeletal calsequestrin Deposited 2011-09-09 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 29–381（353 aa）
Not recorded MRD (4R)-2-METHYLPENTANE-2,4-DIOL × 3 MPD (4S)-2-METHYL-2,4-PENTANEDIOL × 1 CA CALCIUM ION × 6 NA SODIUM ION × 2 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 1.88 Å R-free 0.208
3TRP Crystal structure of recombinant rabbit skeletal calsequestrin Deposited 2011-09-09 Assembly 2 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 29–381（353 aa）
Not recorded MRD (4R)-2-METHYLPENTANE-2,4-DIOL × 6 MPD (4S)-2-METHYL-2,4-PENTANEDIOL × 2 CA CALCIUM ION × 12 NA SODIUM ION × 4 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 1.88 Å R-free 0.208
3TRQ Crystal structure of native rabbit skeletal calsequestrin Deposited 2011-09-09 Assembly 1 Other combination Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 29–381（353 aa）
Not recorded MRD (4R)-2-METHYLPENTANE-2,4-DIOL × 2 MPD (4S)-2-METHYL-2,4-PENTANEDIOL × 2 CA CALCIUM ION × 6 NA SODIUM ION × 3 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 1.76 Å R-free 0.213
3TRQ Crystal structure of native rabbit skeletal calsequestrin Deposited 2011-09-09 Assembly 2 Other combination Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 29–381（353 aa）
Not recorded MRD (4R)-2-METHYLPENTANE-2,4-DIOL × 4 MPD (4S)-2-METHYL-2,4-PENTANEDIOL × 4 CA CALCIUM ION × 12 NA SODIUM ION × 6 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 1.76 Å R-free 0.213
3US3 Recombinant rabbit skeletal calsequestrin-MPD complex Deposited 2011-11-22 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 29–395（367 aa）
Not recorded MPD (4S)-2-METHYL-2,4-PENTANEDIOL × 6 MRD (4R)-2-METHYLPENTANE-2,4-DIOL × 2 CA CALCIUM ION × 8 NA SODIUM ION × 2 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 1.74 Å R-free 0.232
3V1W Molecular Basis for Multiple Ligand Binding of Calsequestrin and Potential Inhibition by Caffeine and Gallocatecin Deposited 2011-12-10 Assembly 1 Other combination Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 29–395（367 aa）
Not recorded MPD (4S)-2-METHYL-2,4-PENTANEDIOL × 2 MRD (4R)-2-METHYLPENTANE-2,4-DIOL × 1 CA CALCIUM ION × 4 NA SODIUM ION × 2 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 1.91 Å R-free 0.222
3V1W Molecular Basis for Multiple Ligand Binding of Calsequestrin and Potential Inhibition by Caffeine and Gallocatecin Deposited 2011-12-10 Assembly 2 Other combination Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 29–395（367 aa）
Not recorded MPD (4S)-2-METHYL-2,4-PENTANEDIOL × 4 MRD (4R)-2-METHYLPENTANE-2,4-DIOL × 2 CA CALCIUM ION × 8 NA SODIUM ION × 4 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 1.91 Å R-free 0.222

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.