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Unless otherwise stated all data on this page refer to the human proteins. Gene information is provided for human (Hs), mouse (Mm) and rat (Rn).
The ROS1 gene encodes a receptor tyrosine kinase, whose endogenous substrate and normal physiological functions are not fully determined, however there is evidence that neural epidermal growth factor-like like 2 (NELL2; Q99435) is an agonist for ROS1. Aberrant expression and mutated forms of ROS1 are drivers of malignant transformation in number of tumour types.
ROS (c-ros oncogene 1, receptor tyrosine kinase) C
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Database page citation:
Type XVII RTKs: ROS receptors. Accessed on 12/09/2025. IUPHAR/BPS Guide to PHARMACOLOGY, http://www.guidetopharmacology.org/GRAC/FamilyDisplayForward?familyId=796.
Concise Guide to PHARMACOLOGY citation:
Alexander SPH, Fabbro D, Kelly E, Mathie AA, Peters JA, Veale EL, Armstrong JF, Faccenda E, Harding SD, Davies JA et al. (2023) The Concise Guide to PHARMACOLOGY 2023/24: Catalytic receptors. Br J Pharmacol. 180 Suppl 2:S241-288.
Crizotinib and cabozantinib are Type I and Type II tyrosine kinase inhibitors, respectively, targeting ROS1 for the treatment of cancer.