>6mcu_D mol:protein length:133 Retinol-binding protein 2TRDQNGTWEMESNENFEGYMKALDIDFHTRKIAVRLTQTKVIDQDGDNFKDKTTSTFRNYDVDFTVGVEFDEYTKSLDNRHVKALVTWEGDVLVCVQKGEKENRGWKKWIEGDKLYLELTCGDQVCRQVFKKK