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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：Q99828 New Search
9PDB entries
18Biological assembly
20chain/assembly records
Main Difference Dimensions in This Set
Different construct 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
1DGU HOMOLOGY-BASED MODEL OF CALCIUM-SATURATED CIB (CALCIUM-AND INTEGRIN-BINDING PROTEIN) Deposited 1999-11-25 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 9–191（183 aa）
Not recorded No recorded non-water small molecule SOLUTION NMR mmCIF provides none of the parsed conditions Resolution not provided
1DGV HOMOLOGY-BASED MODEL OF APO CIB (CALCIUM-AND INTEGRIN-BINDING PROTEIN) Deposited 1999-11-25 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 9–191（183 aa）
Not recorded No recorded non-water small molecule SOLUTION NMR mmCIF provides none of the parsed conditions Resolution not provided
1XO5 Crystal structure of CIB1, an EF-hand, integrin and kinase-binding protein Deposited 2004-10-05 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 8–190（183 aa）
Not recorded CA CALCIUM ION × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.8；291 K；20 mM Bis-Tris-propane (BTP), 300 mM calcium acetate, 18% PEG 3350, pH 6.8, VAPOR DIFFUSION, HANGING DROP, temperature 291K
Resolution 1.99 Å R-free 0.257
1XO5 Crystal structure of CIB1, an EF-hand, integrin and kinase-binding protein Deposited 2004-10-05 Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain B 8–190（183 aa）
Not recorded CA CALCIUM ION × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.8；291 K；20 mM Bis-Tris-propane (BTP), 300 mM calcium acetate, 18% PEG 3350, pH 6.8, VAPOR DIFFUSION, HANGING DROP, temperature 291K
Resolution 1.99 Å R-free 0.257
1Y1A CRYSTAL STRUCTURE OF CALCIUM AND INTEGRIN BINDING PROTEIN Deposited 2004-11-17 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 9–191（183 aa）
Not recorded CA CALCIUM ION × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；277 K；20 MG/ML PROTEIN, 50MM HEPES, 3M FORMATE, 300MM NaCl, 1% DMSO, 0.25MM DTT, pH 7.00, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Resolution 2.30 Å R-free 0.251
1Y1A CRYSTAL STRUCTURE OF CALCIUM AND INTEGRIN BINDING PROTEIN Deposited 2004-11-17 Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain B 9–191（183 aa）
Not recorded CA CALCIUM ION × 3 GSH Glutathione × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；277 K；20 MG/ML PROTEIN, 50MM HEPES, 3M FORMATE, 300MM NaCl, 1% DMSO, 0.25MM DTT, pH 7.00, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Resolution 2.30 Å R-free 0.251
1Y1A CRYSTAL STRUCTURE OF CALCIUM AND INTEGRIN BINDING PROTEIN Deposited 2004-11-17 Assembly 3 Protein homooligomer Homooligomer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 9–191（183 aa）
Chain B 9–191（183 aa）
Not recorded CA CALCIUM ION × 12 GSH Glutathione × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；277 K；20 MG/ML PROTEIN, 50MM HEPES, 3M FORMATE, 300MM NaCl, 1% DMSO, 0.25MM DTT, pH 7.00, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Resolution 2.30 Å R-free 0.251
1Y1A CRYSTAL STRUCTURE OF CALCIUM AND INTEGRIN BINDING PROTEIN Deposited 2004-11-17 Assembly 4 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 9–191（183 aa）
Chain B 9–191（183 aa）
Not recorded CA CALCIUM ION × 6 GSH Glutathione × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；277 K；20 MG/ML PROTEIN, 50MM HEPES, 3M FORMATE, 300MM NaCl, 1% DMSO, 0.25MM DTT, pH 7.00, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Resolution 2.30 Å R-free 0.251
1Y1A CRYSTAL STRUCTURE OF CALCIUM AND INTEGRIN BINDING PROTEIN Deposited 2004-11-17 Assembly 5 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 9–191（183 aa）
Not recorded CA CALCIUM ION × 6 GSH Glutathione × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；277 K；20 MG/ML PROTEIN, 50MM HEPES, 3M FORMATE, 300MM NaCl, 1% DMSO, 0.25MM DTT, pH 7.00, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Resolution 2.30 Å R-free 0.251
2L4H The Solution Structure of Calcium Bound CIB1 Deposited 2010-10-06 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–191（191 aa）
Not recorded CA CALCIUM ION × 2 SOLUTION NMR
NMR measurement conditions pH 7.5；310 K；Ionic strength (raw mmCIF value) 200；Pressure ambient
NMR sample composition 0.5 mM [U-13C; U-15N; U-2H] CIB1, 50 mM HEPES, 100 mM potassium chloride, 4 mM calcium cloride, 10 mM DTT, 90% H2O/10% D2O | 90% H2O/10% D2O
NMR sample composition 0.5 mM I/L/V methyl 13C and 1H, [U,2H] CIB1, 50 mM HEPES, 100 mM potassium chloride, 4 mM calcium chloride, 10 mM DTT, 90% H2O/10% D2O | 90% H2O/10% D2O
Resolution not provided
2L4I The Solution Structure of Magnesium bound CIB1 Deposited 2010-10-06 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–191（191 aa）
Not recorded MG MAGNESIUM ION × 1 SOLUTION NMR
NMR measurement conditions pH 7.5；310 K；Ionic strength (raw mmCIF value) 200；Pressure ambient
NMR sample composition 0.5 mM [U-13C; U-15N; U-2H] CIB1, 5 mM MAGNESIUM ION, 100 mM potassium chloride, 10 mM DTT, 90% H2O/10% D2O | 90% H2O/10% D2O
NMR sample composition 0.5 mM I/L/V methyl labeled [U, 2H] CIB1, 5 mM MAGNESIUM ION, 100 mM potassium chloride, 10 mM DTT, 90% H2O/10% D2O | 90% H2O/10% D2O
Resolution not provided
2LM5 Solution structure of Ca2+-CIB1 in complex with the cytoplasmic domain of the integrin aIIb subunit Deposited 2011-11-22 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–191（191 aa）
Not recorded CA CALCIUM ION × 2 SOLUTION NMR
NMR measurement conditions pH 7.5；310 K；Ionic strength (raw mmCIF value) 0.2；Pressure ambient
NMR sample composition 0.5 mM [U-13C; U-15N; U-2H] CIB1, 5 mM [U-2H] DTT, 2 mM CALCIUM ION, 100 mM sodium chloride, 50 mM HEPES, 0.6 mM aIIb peptide, 90% H2O/10% D2O | 90% H2O/10% D2O
NMR sample composition 0.5 mM [U-13C; U-2H], I/L/V methyl [1H,13C] CIB1, 5 mM [U-2H] DTT, 2 mM CALCIUM ION, 100 mM sodium chloride, 50 mM HEPES, 0.6 mM aIIb peptide, 100% D2O | 100% D2O
NMR sample composition 0.5 mM [U-10% 13C] CIB1, 5 mM [U-2H] DTT, 2 mM CALCIUM ION, 100 mM sodium chloride, 50 mM HEPES, 0.6 mM aIIb peptide, 100% D2O | 100% D2O
NMR sample composition 0.5 mM [U-2H], I/L/V methyl [1H,13C] CIB1, 5 mM [U-2H] DTT, 2 mM CALCIUM ION, 100 mM sodium chloride, 50 mM HEPES, 0.6 mM aIIb peptide, 100% D2O | 100% D2O
NMR sample composition 0.5 mM [U-13C; U-15N; U-2H] CIB1, 5 mM [U-2H] DTT, 2 mM CALCIUM ION, 100 mM sodium chloride, 50 mM HEPES, 0.6 mM aIIb peptide, 14 mg/mL pf1 phage, 90% H2O/10% D2O | 90% H2O/10% D2O
NMR sample composition 0.5 mM [U-13C; U-15N; U-2H] CIB1, 5 mM [U-2H] DTT, 2 mM CALCIUM ION, 100 mM sodium chloride, 50 mM HEPES, 0.6 mM aIIb peptide, 5 % C12E5/glycerol (0.96/1), 90% H2O/10% D2O | 90% H2O/10% D2O
Resolution not provided
6OCX Structure of human CIB1 in complex with peptide inhibitor UNC10245109 Deposited 2019-03-25 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–191（191 aa）
Not recorded CA CALCIUM ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 7.5；294 K；0.1 M HEPES: NaOH, pH 7.5 20 % (w/v) PEG 8000
Resolution 1.90 Å R-free 0.246
6OCX Structure of human CIB1 in complex with peptide inhibitor UNC10245109 Deposited 2019-03-25 Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 1–191（191 aa）
Not recorded CA CALCIUM ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 7.5；294 K；0.1 M HEPES: NaOH, pH 7.5 20 % (w/v) PEG 8000
Resolution 1.90 Å R-free 0.246
6OCX Structure of human CIB1 in complex with peptide inhibitor UNC10245109 Deposited 2019-03-25 Assembly 3 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain C 1–191（191 aa）
Not recorded CA CALCIUM ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 7.5；294 K；0.1 M HEPES: NaOH, pH 7.5 20 % (w/v) PEG 8000
Resolution 1.90 Å R-free 0.246
6OCX Structure of human CIB1 in complex with peptide inhibitor UNC10245109 Deposited 2019-03-25 Assembly 4 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain D 1–191（191 aa）
Not recorded CA CALCIUM ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 7.5；294 K；0.1 M HEPES: NaOH, pH 7.5 20 % (w/v) PEG 8000
Resolution 1.90 Å R-free 0.246
6OD0 Structure of human CIB1 in complex with peptide inhibitor UNC10245092 Deposited 2019-03-25 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–191（191 aa）
Not recorded CA CALCIUM ION × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 6.8；294 K；137.5 mM calcium acetate, 16 % PEG 3350, 20 mM Bis-Tris propane (pH 6.8)
Resolution 2.15 Å R-free 0.229
6OD0 Structure of human CIB1 in complex with peptide inhibitor UNC10245092 Deposited 2019-03-25 Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 1–191（191 aa）
Not recorded CA CALCIUM ION × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 6.8；294 K；137.5 mM calcium acetate, 16 % PEG 3350, 20 mM Bis-Tris propane (pH 6.8)
Resolution 2.15 Å R-free 0.229

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.