Thrombospondin-1 (1016-1021) (human, bovine, mouse), a Thrombospondin-1-derived peptide, is a truncated peptide devoid of CD47-binding activity[1].
References
[1] Sylvie Cointe, et al. Thrombospondin-1-Derived Peptide RFYVVMWK Improves the Adhesive Phenotype of CD34+ Cells From Atherosclerotic Patients With Type 2 Diabetes. Cell Transplant. 2017 Feb 16;26(2):327-337. DOI:10.3727/096368916X693329