>1opb_D mol:protein length:134 CELLULAR RETINOL BINDING PROTEIN II MTKDQNGTWEMESNENFEGYMKALDIDFATRKIAVRLTQTKIIVQDGDNFKTKTNSTFR NYDLDFTVGVEFDEHTKGLDGRNVKTLVTWEGNTLVCVQKGEKENRGWKQWVEGDKLYL ELTCGDQVCRQVFKKK