plasma retinol binding protein 4, Plasma retinol-binding proteinv, Plasma retinol-binding protein(1-176), prbp, PRO2222, RBP, RET4_HUMAN, Retinol binding protein 4, retinol binding protein 4 interstitial, Retinol binding protein 4 plasma.
Delivers retinol from the liver stores to the peripheral tissues. In plasma, the RBP-retinol complex interacts with transthyretin, this prevents its loss by filtration through the kidney glomeruli.