>7ucn_B mol:protein length:134 Retinol-binding protein 2TRDQNGTWEMESNENFEGYMKALDIDFCTRKIAVRCTQTKVIDQDGDNFKDKTTSTFHRNYDVDFTVGVEFDEYTKSLDNRHVKALVTWEGDVLVCVQKGEKENRGWKKWIEGDKLYLELTCGDQVCRQVFKKK