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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：P04117 New Search
23PDB entries
26Biological assembly
30chain/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
1A18 PHENANTHROLINE MODIFIED MURINE ADIPOCYTE LIPID BINDING PROTEIN Deposited 1997-12-23 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–131（131 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) 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 0.273
1A2D PYRIDOXAMINE MODIFIED MURINE ADIPOCYTE LIPID BINDING PROTEIN Deposited 1997-12-29 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–131（131 aa）
Chain B 1–131（131 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) Non-standard monomer：Yes (specific site not provided by mmCIF) CL CHLORIDE ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions pH 6.5；pH 6.5
Resolution 2.40 Å R-free 0.273
1AB0 C1G/V32D/F57H MUTANT OF MURINE ADIPOCYTE LIPID BINDING PROTEIN AT PH 4.5 Deposited 1997-01-30 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 2–131（130 aa）
Mutation：C1G, V32D, F57H No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions pH 4.5；2.4M AMSO4 50MM NAKPO4 100 MM ACETATE, PH 4.5
Resolution 1.90 Å R-free 0.253
1ACD V32D/F57H MUTANT OF MURINE ADIPOCYTE LIPID BINDING PROTEIN Deposited 1997-02-06 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 2–131（130 aa）
Mutation：C1G, V32D, F57H Non-standard monomer：Yes (specific site not provided by mmCIF) No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions pH 6.4；2.4M PHOSPHATE, PH 6.4
Resolution 2.70 Å R-free 0.276
1ADL ADIPOCYTE LIPID BINDING PROTEIN COMPLEXED WITH ARACHIDONIC ACID: X-RAY CRYSTALLOGRAPHIC AND TITRATION CALORIMETRY STUDIES Deposited 1994-03-25 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 2–132（131 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) ACD ARACHIDONIC ACID × 2 PPI PROPANOIC ACID × 2 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 1.60 Å R-free 0.220
1ALB CRYSTAL STRUCTURE OF RECOMBINANT MURINE ADIPOCYTE LIPID-BINDING PROTEIN Deposited 1992-09-03 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–131（131 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.50 Å
1G74 Toward changing specificity: adipocyte lipid binding protein mutant, oleic acid bound form Deposited 2000-11-08 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–131（131 aa）
Mutation：I73E,A75V,D77G PO4 PHOSPHATE ION × 1 OLA OLEIC ACID × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.8；291 K；sodium/potassium phosphate, pH 6.8, VAPOR DIFFUSION, HANGING DROP, temperature 291K
Resolution 1.70 Å R-free 0.238
1G7N Toward changing specificity: adipocyte lipid binding protein mutant, apo form Deposited 2000-11-10 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–131（131 aa）
Mutation：I73E,A75V,D77G PO4 PHOSPHATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；291 K；sodium/potassium phosphate, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 291K
Resolution 1.50 Å R-free 0.225
1LIB THE ADIPOCYTE LIPID-BINDING PROTEIN AT 1.6 ANGSTROMS RESOLUTION: CRYSTAL STRUCTURES OF THE APOPROTEIN AND WITH BOUND SATURATED AND UNSATURATED FATTY ACIDS Deposited 1993-12-21 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–131（131 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 1.70 Å
1LIC X-RAY CRYSTALLOGRAPHIC STRUCTURES OF ADIPOCYTE LIPID BINDING PROTEIN COMPLEXED WITH PALMITATE AND HEXADECANESULFONIC ACID. PROPERTIES OF CAVITY BINDING SITES. Deposited 1993-12-21 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–131（131 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) HDS 1-HEXADECANOSULFONIC ACID × 2 PPI PROPANOIC ACID × 2 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 1.60 Å R-free 0.225
1LID THE ADIPOCYTE LIPID-BINDING PROTEIN AT 1.6 ANGSTROMS RESOLUTION: CRYSTAL STRUCTURES OF THE APOPROTEIN AND WITH BOUND SATURATED AND UNSATURATED FATTY ACIDS Deposited 1993-12-21 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–131（131 aa）
Not recorded OLA OLEIC ACID × 2 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 1.60 Å
1LIE X-RAY CRYSTALLOGRAPHIC STRUCTURES OF ADIPOCYTE LIPID BINDING PROTEIN COMPLEXED WITH PALMITATE AND HEXADECANESULFONIC ACID. PROPERTIES OF CAVITY BINDING SITES Deposited 1993-12-21 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–131（131 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) PLM PALMITIC ACID × 2 PPI PROPANOIC ACID × 2 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 1.60 Å R-free 0.239
1LIF THE ADIPOCYTE LIPID-BINDING PROTEIN AT 1.6 ANGSTROMS RESOLUTION: CRYSTAL STRUCTURES OF THE APOPROTEIN AND WITH BOUND SATURATED AND UNSATURATED FATTY ACIDS Deposited 1993-12-21 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–131（131 aa）
Not recorded STE STEARIC ACID × 2 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 1.60 Å
2ANS ADIPOCYTE LIPID BINDING PROTEIN COMPLEXED WITH 1-ANILINO-8-NAPHTHALENE SULFONATE Deposited 1999-01-19 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–131（131 aa）
Chain B 1–131（131 aa）
Not recorded CL CHLORIDE ION × 1 2AN 8-ANILINO-1-NAPHTHALENE SULFONATE × 2 X-RAY DIFFRACTION
X-ray crystallization conditions pH 7.5；pH 7.5
Resolution 2.50 Å R-free 0.247
2Q9S Linoleic Acid Bound to Fatty Acid Binding Protein 4 Deposited 2007-06-13 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–132（132 aa）
Not recorded SO4 SULFATE ION × 2 EIC LINOLEIC ACID × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；293 K；0.1 M Sodium Cacodylate, 0.1 M Ammonium Sulfate, 35% PEG 8000, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 2.30 Å R-free 0.264
2Q9S Linoleic Acid Bound to Fatty Acid Binding Protein 4 Deposited 2007-06-13 Assembly 2 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–132（132 aa）
Not recorded SO4 SULFATE ION × 2 EIC LINOLEIC ACID × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；293 K；0.1 M Sodium Cacodylate, 0.1 M Ammonium Sulfate, 35% PEG 8000, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 2.30 Å R-free 0.264
2QM9 Troglitazone Bound to Fatty Acid Binding Protein 4 Deposited 2007-07-14 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–132（132 aa）
Chain B 1–132（132 aa）
Not recorded SO4 SULFATE ION × 3 TDZ (5R)-5-(4-{[(2R)-6-HYDROXY-2,5,7,8-TETRAMETHYL-3,4-DIHYDRO-2H-CHROMEN-2-YL]METHOXY}BENZYL)-1,3-THIAZOLIDINE-2,4-DIONE × 2 X-RAY DIFFRACTION
X-ray crystallization conditions hanging drop；pH 4.5；298 K；1.6 M ammonium sulfate, 0.1 M sodium acetate, 0.05 M K/Na phosphate, pH 4.5, hanging drop, temperature 298K
Resolution 2.31 Å R-free 0.276
3HK1 Identification and Characterization of a Small Molecule Inhibitor of Fatty Acid Binding Proteins Deposited 2009-05-22 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 2–132（131 aa）
Not recorded B64 4-{[2-(methoxycarbonyl)-5-(2-thienyl)-3-thienyl]amino}-4-oxo-2-butenoic acid × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；291 K；2.5 M sodium/potassium phosphate, pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 291K
Resolution 1.70 Å R-free 0.195
3JS1 Crystal structure of adipocyte fatty acid binding protein covalently modified with 4-hydroxy-2-nonenal Deposited 2009-09-09 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 2–132（131 aa）
Chain B 2–132（131 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) Non-standard monomer：Yes (specific site not provided by mmCIF) PO4 PHOSPHATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；291 K；1.9 M Sodium/potassium phosphate, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 291K
Resolution 1.81 Å R-free 0.228
3JSQ Crystal structure of adipocyte fatty acid binding protein non-covalently modified with 4-hydroxy-2-nonenal Deposited 2009-09-10 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 2–132（131 aa）
Not recorded CL CHLORIDE ION × 2 HNE (2E,4R)-4-HYDROXYNON-2-ENAL × 2 PO4 PHOSPHATE ION × 8 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；291 K；0.1 M HEPES, 1.6 M Sodium/potassium phosphate, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 291K
Resolution 2.30 Å R-free 0.263
5C0N Development of a monoclonal antibody targeting secreted aP2 to treat diabetes and fatty liver disease Deposited 2015-06-12 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 1–132（132 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；296 K；0.1M Hepes pH 7.5, 0.2M NH2SO4, 16% PEG 4K and 10% isopropanol
Resolution 3.00 Å R-free 0.265
5C0N Development of a monoclonal antibody targeting secreted aP2 to treat diabetes and fatty liver disease Deposited 2015-06-12 Assembly 2 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain B 1–132（132 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；296 K；0.1M Hepes pH 7.5, 0.2M NH2SO4, 16% PEG 4K and 10% isopropanol
Resolution 3.00 Å R-free 0.265
5D8J Development of a therapeutic monoclonal antibody targeting secreted aP2 to treat type 2 diabetes. Deposited 2015-08-17 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 1–132（132 aa）
Not recorded SO4 SULFATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 5.5；296 K；100mM 2-(N-morpholino)ethanesulfonic acid, 150mM ammonium sulfate, 24% PEG 4000
Resolution 3.00 Å R-free 0.269
7FWT Crystal Structure of apo mouse FABP4 Deposited 2023-04-27 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–132（132 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；293 K；protein in 25mM Tris/HCl pH 7.5 100mM NaCl, see also PMID 27658368
Resolution 1.54 Å R-free 0.197
7FWT Crystal Structure of apo mouse FABP4 Deposited 2023-04-27 Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain B 1–132（132 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；293 K；protein in 25mM Tris/HCl pH 7.5 100mM NaCl, see also PMID 27658368
Resolution 1.54 Å R-free 0.197
7FZG Crystal Structure of apo mouse FABP4, C-centered orthorhombic form Deposited 2023-04-27 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–132（132 aa）
Not recorded FLC CITRATE ANION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；293 K；protein in 25mM Tris/HCl pH 7.5 100mM NaCl, see also PMID 27658368
Resolution 1.49 Å R-free 0.170

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.