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Oncogene. 1991 Jun;6(6):1089-92.

Flg-2, a new member of the family of fibroblast growth factor receptors.

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Department of Chemical Immunology, Weizmann Institute of Science, Rehovot, Israel.

Erratum in

  • Oncogene 1992 Apr;7(4):823.


Two genes, flg and bek, have been recently shown to encode receptors for fibroblast growth factors (FGF). Here we report the molecular cloning and sequence of a new member of the FGF receptor family, denoted flg-2, which was isolated from a human keratinocyte cDNA library. The cDNA sequence predicts an extracellular region possessing three immunoglobulin-like domains, a single transmembrane region and a cytoplasmic portion containing the tyrosine kinase domain split by a short inter-kinase segment. The amino acid sequence of flg-2 shows 68% and 64% identity with bek and flg, respectively. The most variable domain among the three genes is the amino-terminal immunoglobulin-like domain. Comparison with the chicken FGF receptor genes suggests that flg-2 is homologous to cek-2, whereas flg and bek are homologous to cek-1 and cek-3, respectively. Analysis of mRNA from various tissues shows that flg-2 is expressed predominantly in skin, brain and lung.

[Indexed for MEDLINE]

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