cysteine & glycine-rich protein 2; LIM domain only protein 5; LMO-5; smooth muscle cell LIM protein; SmLIM (CSRP2, LMO5, SMLIM)
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Function
- drastically down-regulated in response to PDGF-BB or cell injury, that promote smooth muscle cell proliferation & dedifferentiation
- seems to play a role in the development of the embryonic vascular system
- interacts with CSRP2BP; the LIM domain 1 is necessary & sufficient for this interaction
- interacts with GLRX3
Structure
- contains 2 LIM Zn+2-binding domains
Compartment
Expression
- highly expressed in the aorta
- lesser if any expression in heart & skeletal muscle