Protein
Retinol-binding protein 3
Function
IRBP shuttles 11-cis and all trans retinoids between the retinol isomerase in the pigment epithelium and the visual pigments in the photoreceptor cells of the retina. Also involved in the transport of fatty acids and retinal development.
Similarity
Belongs to the peptidase S41A family.
Sequence
MPPLFQALTTALFFCGIASNPLFQPSLVMDMAKVLLDNYCFPENLVGMQETIEQAVKGGEILHISDPDTLANVFTSGVQGYLNDPRLVVSYEPNYSGPQTEQSLELTPEQLKFLINHSVKYDILPGNIGYLRIDFIIGQDVVQKVGPHLVNNIWKKLMPTSALILDLRYSTQGEVSGIPFVVSYLCDSEIHIDSIYNRPSNTTTDLWTLPELMGERYGKVKDVVVLTSKYTKGVAEDASYILKHMNRAIVVGEKTAGGSLDTQKIKIGQSDFYITVPVSRSLSPLTGQSWEVSGVSPCVVVNAKDALDKAQAILAVRSSVTHVLHQLCDILANNYAFSERIPTLLQHLPNLDYSTVISEEDIAAKLNYELQSLTEDPRLVLKSKTDTLVMPGDSIQAENIPEDEAMLQALVNTVFKVSILPGNIGYLRFDQFADVSVIAKLAPFIVNTVWEPITITENLIIDLRYNVGGSSTAVPLLLSYFLDPETKIHLFTLHNRQQNSTDEVYSHPKVLGKPYGSKKGVYVLTSHQTATAAEEFAYLMQSLSRATIIGEITSGNLMHSKVFPFDGTQLSVTVPIINFIDSNGDYWLGGGVVPDAIVLADEALDKAKEIIAFHPSIFPLVKGTGHLLEVHYAIPEVAYKVSSVLQNKWSEGGYRSVVDLESLASLLTSEMQENSGDHRLHVFYSDTEPEILEDQPPKIPSPEELNYIIDALFKIEVLPGNVGYLRFDMMADTEIIKAIGPQLVSLVWNKLVETNSLIIDMRYNTGGYSTAIPIFCSYFFDPEPLQHLYTVYDRSTSTGKDIWTLPEVFGERYGSTKDIYILTSHMTGSAAEVFTRSLKDLNRATLIGEPTSGVSLSVGMYKVGDSNLYVTIPNQVVISSVTGKVWSVSGVEPHVIIQANEAMNIAHRIIKLRTKIPTVIQTAAKLVADNYAFADTGANVASKFIALVDKIDYKMIKSEVELAEKINDDLQSLSKDFHLKAVYIPENSKDRIPGVVPMQIPSPELFEELIKFSFHTDVFEKNIGYIRFDMFADSDLLNQVSDLLVEHVWKKVVDQDALIIDMRFNIGGPTSSIPIFCSYFFDEGTPVLLDKIYSRTSNAMTDIWTLPDLVGKTFGSKKPLIILTSSLTEGAAEEFVYIMKRLGRAYVVGEVTSGGCHPPQTYHVDDTHLYLTIPTSRSASAEPGESWEGKGVLPDLEISSETALLKAKEILESQLEGRR