Insulin-like growth factor-binding protein 5(IBF-5) is a protein that in humans is encoded by the IGFBP5gene. An IGFBP5 gene was recently identified as being important for adaptation to varying water salinity in fish.
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1boe: STRUCTURE OF THE IGF BINDING DOMAIN OF THE INSULIN-LIKE GROWTH FACTOR-BINDING PROTEIN-5 (IGFBP-5): IMPLICATIONS FOR IGF AND IGF-I RECEPTOR INTERACTIONS