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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：P02693 New Search
12PDB entries
12Biological assembly
13chain/assembly records
Main Difference Dimensions in This Set
Different construct Different mutation/modification 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
1A57 THE THREE-DIMENSIONAL STRUCTURE OF A HELIX-LESS VARIANT OF INTESTINAL FATTY ACID BINDING PROTEIN, NMR, 20 STRUCTURES Deposited 1998-02-20 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 SOLUTION NMR
NMR measurement conditions pH 7.2；298 K
Resolution not provided
1AEL NMR STRUCTURE OF APO INTESTINAL FATTY ACID-BINDING PROTEIN, 20 STRUCTURES Deposited 1996-07-30 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 SOLUTION NMR
NMR measurement conditions pH 7.2；306 K
Resolution not provided
1DC9 PROPERTIES AND CRYSTAL STRUCTURE OF A BETA-BARREL FOLDING MUTANT, V60N INTESTINAL FATTY ACID BINDING PROTEIN (IFABP) Deposited 1999-11-04 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–131（131 aa）
Mutation：V60N No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.3；36-38% PEG 4000, 0.1 M PIPES, 1:1 RATIO WELL AND 4.6 MG/ML PROTEIN IN WATER, pH 7.3, VAPOR DIFFUSION, HANGING DROP
Resolution 2.10 Å R-free 0.228
1ICM ESCHERICHIA COLI-DERIVED RAT INTESTINAL FATTY ACID BINDING PROTEIN WITH BOUND MYRISTATE AT 1.5 A RESOLUTION AND I-FABPARG106-->GLN WITH BOUND OLEATE AT 1.74 A RESOLUTION Deposited 1993-09-20 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–131（131 aa）
Not recorded MYR MYRISTIC ACID × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 1.50 Å
1ICN ESCHERICHIA COLI-DERIVED RAT INTESTINAL FATTY ACID BINDING PROTEIN WITH BOUND MYRISTATE AT 1.5 A RESOLUTION AND I-FABPARG106-->GLN WITH BOUND OLEATE AT 1.74 A RESOLUTION Deposited 1993-09-20 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–131（131 aa）
Not recorded OLA OLEIC ACID × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 1.74 Å
1IFB REFINED APOPROTEIN STRUCTURE OF RAT INTESTINAL FATTY ACID BINDING PROTEIN PRODUCED IN ESCHERICHIA COLI Deposited 1990-12-05 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 1.96 Å
1IFC REFINEMENT OF THE STRUCTURE OF RECOMBINANT RAT INTESTINAL FATTY ACID-BINDING APOPROTEIN AT 1.2 ANGSTROMS RESOLUTION Deposited 1991-12-19 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 1.19 Å
1SA8 THE NMR STRUCTURE OF A STABLE AND COMPACT ALL-beta-SHEET VARIANT OF INTESTINAL FATTY ACID-BINDING PROTEIN Deposited 2004-02-07 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–8（8 aa） Fragment：D27-GG
Chain A 36–131（96 aa） Fragment：D27-GG
Not recorded No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 7.2；298 K；Ionic strength (raw mmCIF value) 20 mM potassium phosphate, 135 mM KCl, 10 mM NaCl, 0.5% NaN3；Pressure atmospheric
NMR sample composition 1.8 mM protein, 20 mM potassium phosphate, 135 mM KCl, 10 mM NaCl, 0.5% NaN3,95% H2O, 5% D2O | 95% H2O/5% D2O
Resolution not provided
1T8V The NMR structure of d34a i-fabp: implications for the determinants of ligand binding stoichiometry Deposited 2004-05-13 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–131（131 aa）
Mutation：D34A No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 7.2；298 K；Ionic strength (raw mmCIF value) 50mM KCl
NMR sample composition 20 mM potassium phosphate, 50 mM KCl, 0.5% NaN3, 95% H2O, 5% D2O | 95% H2O/5% D2O
Resolution not provided
1URE NMR STRUCTURE OF INTESTINAL FATTY ACID-BINDING PROTEIN COMPLEXED WITH PALMITATE, 20 STRUCTURES Deposited 1996-06-17 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–131（131 aa）
Not recorded PLM PALMITIC ACID × 1 SOLUTION NMR
NMR measurement conditions pH 7.2；310 K
Resolution not provided
2IFB CRYSTAL STRUCTURE OF RAT INTESTINAL FATTY-ACID-BINDING PROTEIN. REFINEMENT AND ANALYSIS OF THE ESCHERICHIA COLI-DRIVED PROTEIN WITH BOUND PALMITATE Deposited 1990-12-05 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–131（131 aa）
Not recorded PLM PALMITIC ACID × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.00 Å
3AKN X-ray structure of iFABP from human and rat with bound fluorescent fatty acid analogue Deposited 2010-07-14 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 2–132（131 aa）
Not recorded 11D 11-({[5-(dimethylamino)naphthalen-1-yl]sulfonyl}amino)undecanoic acid × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；277 K；30-45% w/v PEG 2000, 0.1M Tris pH 7.0, 0.2M magnesium chloride, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Resolution 1.60 Å R-free 0.257

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.