Description
Fatty acid binding protein-6 (FABP6), also known as ileal bile acid binding protein (I-BABP) and gastrotropin, is a 15 kDa cytoplasmic protein that belongs to the FABP family. It is expressed in ileal epithelium and multiple other tissues. Alternate transcription promoters generate two transcript variants, encoding a 128 aa and a 177 aa residue protein. Human FABP6 isoform 2 contains 128 amino acid residues and is believed to be acetylated on Ala2. It binds both fatty acids and bile acids and has roles in fatty acid transport and metabolism. The amino acid sequence of human FABP6 is 80%, 78%, and 75% aa identical to that of mouse, canine, and porcine FABP6, respectively.
Molecular Weight
Approximately 14.7 kDa.
AA sequence
VDAFLGTWKL VDSKNFDDYM KSLGVGFATR QVASMTKPTT IIEKNGDILT LKTHSTFKNT EISFKLGVEF DETTADDRKV KSIVTLDGGK LVHLQKWDGQ ETTLVRELID GKLILTLTHG TAVCTRTYEK EA
Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Purity
> 95% by SDS-PAGE.
Endotoxin
< 1.0 EU per 1μg of the protein
Formulation
Lyophilized from a 0.2 mm filtered concentrated solution in 10mM PB,150 mM NaCl,1 mM DTT, 0.1 % tween-20, 5 % trehalose, pH 7.4.