insulin-like growth factor-binding protein 5; IBP-5; IGF-binding protein 5; IGFBP-5 (IGFBP5 IBP5)
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Function
- IGF-binding proteins prolong the half-life of the IGFs
- they either inhibit or stimulate the growth promoting effects of the IGFs on cell culture
- they alter the interaction of IGFs with their cell surface receptors
Structure
- contains 1 IGFBP N-terminal domain
- contains 1 thyroglobulin type-1 domain
Compartment
Expression
- expressed in osteosarcoma
- expressed at lower levels in liver, kidney & brain