LMX1B

LIM homeobox transcription factor 1-beta, also known as LMX1B, is a protein which in humans is encoded by the "LMX1B" gene.
Function.
LMX1B is a LIM homeobox transcription factor which plays a central role in dorso-ventral patterning of the vertebrate limb.
Clinical significance.
Loss-of-function mutations in the "LMX1B" gene are associated with Nail-patella syndrome.