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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：P02654 New Search
8PDB entries
8Biological assembly
12chain/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
1ALE CONFORMATION OF TWO PEPTIDES CORRESPONDING TO HUMAN APOLIPOPROTEIN C-I RESIDUES 7-24 AND 35-53 IN THE PRESENCE OF SODIUM DODECYLSULFATE BY CD AND NMR SPECTROSCOPY Deposited 1995-02-20 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 33–50（18 aa）
Not recorded No recorded non-water small molecule SOLUTION NMR mmCIF provides none of the parsed conditions Resolution not provided
1ALF CONFORMATION OF TWO PEPTIDES CORRESPONDING TO HUMAN APOLIPOPROTEIN C-I RESIDUES 7-24 AND 35-53 IN THE PRESENCE OF SODIUM DODECYLSULFATE BY CD AND NMR SPECTROSCOPY Deposited 1995-02-20 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 61–79（19 aa）
Not recorded No recorded non-water small molecule SOLUTION NMR mmCIF provides none of the parsed conditions Resolution not provided
1IOJ HUMAN APOLIPOPROTEIN C-I, NMR, 18 STRUCTURES Deposited 1998-05-12 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 27–83（57 aa）
Not recorded No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 4.8；323 K
NMR sample composition 5.8 mM native apoC-I, 90%H2O/10%D2O, 232 mM SDS-D25 | 90% H2O/10% D2O
NMR sample composition 5 mM selectively 15N-labeled synthetic apoC-I, 90%H2O/10%D2O, 200 mM SDS-D25 | 90% H2O/10% D2O
Resolution not provided
1OPP PEPTIDE OF HUMAN APOLIPOPROTEIN C-I RESIDUES 1-38, NMR, 28 STRUCTURES Deposited 1997-05-08 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 27–64（38 aa） Fragment：RESIDUES 1 - 38
Not recorded No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 4.8；310 K
NMR sample composition 5 mM apoC, 300 mM SDS-d2s | 90% H2O/10% D2O
NMR sample composition 5 mM apoC, 300 mM SDS-d2s | 99.9% D2O
NMR sample composition 5 mM apoC, 50 mM potassium chloride, 20 mM potassium phosphate | 50% (v/v) TFE-d, 10% D2O
Resolution not provided
6DVU Structure of the Monoclinic-1 (Monocl-1) Crystal Form of Human Apolipoprotein C1 Deposited 2018-06-25 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–83（83 aa）
Chain B 1–83（83 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8；298 K；Crystallized in Cryschem sitting drop plates with reservoirs of 16%-18% 2-methyl-2,4-pentanediol (MPD), 0.1 M sodium acetate and 0.25% octyl-beta-s-1-thioglucopyanoside. The drops were composed of equal amounts of 8 mg/ml protein in 0.02 ammonium bicarbonate and reservoir.
Resolution 1.80 Å R-free 0.276
6DXR Structure of the Monoclinic-2 (Monocl-2) Crystal Form of Human Apolipoprotein C1 Deposited 2018-06-29 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–83（83 aa）
Chain B 1–83（83 aa）
Not recorded MPD (4S)-2-METHYL-2,4-PENTANEDIOL × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；298 K；20% PEG
Resolution 2.00 Å R-free 0.287
6DZ6 Structure of the Orthorhombic (Orthrhmb) Crystal Form of Human Apolipoprotein C1 Deposited 2018-07-03 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–83（83 aa）
Chain B 1–83（83 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 6；298 K；16% MPD - 18% MPD
Resolution 3.00 Å R-free 0.283
6NF3 Structure of the Monoclinic-3 (Monocln-3) Crystal Form of Human Apolipoprotein C1 Deposited 2018-12-18 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–83（83 aa）
Chain B 1–83（83 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 6.5；298 K；The crystals were grown by sitting drop vapor diffusion in Cryschem plates using 0.6 ml reservoirs of 16% to 18% 2-methyl-2,4-pentanediol (MPD) containing o.1 M sodium acetate and 0.25% octyl-beta-s-1-thioglucopyanoside. The drops were equal volumes, generally 6 ul each, of the reservoir and an 8 mg/ml solution of protein dissolved in .02 M ammonium bicarbonate.
Resolution 2.33 Å R-free 0.318

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.