>4m6s_A mol:protein length:137 Cellular retinoic acid-binding protein 2PNFSGNWKIIRSENFEELLKVLGVNVMLRKIWVAAASKPAVEIKQEGDTFYIKVSTTVWTTEINFKVGEEFEEQTVDGRPCKSLVKWESENKMVCEQKLLKGEGPKTSWTKELTNDGELILTMTADDVVCTYVFVRE