>9pn1_B mol:protein length:133 Retinol-binding protein 2TRDANGTWEMESNENFEGWMKALDIDFALRKIAVRLTQTLVIDQDGDNFKVKCTSTFWNYDVDFTVGVEFDEYTKSLDNRHVKALVTWEGDVLVCVQKGEKENRGWKKWIEGDKLYLELTCGDQVCRQVFKKK