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Neuron. 1989 Feb;2(2):1123-34.

Structure and developmental expression of the nerve growth factor receptor in the chicken central nervous system.

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Department of Physiology, University of California, San Francisco 94143-0724.


Chicken nerve growth factor (NGF) receptor cDNAs have been isolated and sequenced in an effort to identify functionally important receptor domains and as an initial step in determining the functions of the NGF receptor in early embryogenesis. Comparisons of the primary amino acid sequences of the avian and mammalian NGF receptors have identified several discrete domains that differ in their degree of conservation. The highly conserved regions include an extracellular domain, likely to be involved in ligand binding, in which the positions of 24 cysteine residues and virtually all negatively charged residues are conserved; a transmembrane region, including flanking stretches of extracellular and cytoplasmic amino acids, which has properties suggesting it interacts with other proteins; and a cytoplasmic PEST sequence, which may regulate receptor turnover. Transient expression of NGF receptor mRNA has been seen in many regions of the developing CNS. Experiments suggest that both NGF and its receptor help regulate development of the retina.

[Indexed for MEDLINE]

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