Recombinant expression of IGF 1 and LR3 IGF 1 fused with xylanase in Pichia pastoris Applied Microbiology and Biotechnology Springer Nature Link Recombinant human IGF 1 LR3 protein (Qk041) Qkine Organ weights in response to Long R3 insulin like growth factor 1 (LR3 Download Scientific Diagram QK041 Recombinant human bovine porcine IGF 1 LR3 protein IGF 1 LR3 The Muscle Building Peptide Everyone's Talking About IGF 1 LR3 is one of the most powerful performance peptides used for muscle growth, recovery, and fat loss. It's a modified version