>4qgv_B mol:protein length:137 Cellular retinoic acid-binding protein 2PNFSGNWKIIRSENFEELLKVLGVNVMLRKIAVAAASKPAVEIKQEGDTFYIKTSTTVRTTEINFKVGEEFEEQTVDGRPCKSLVKWESENKMVCEQKLLKGEGPKTSWTLELTNDGELILTMTADDVVCTKVYVRE