Abstract

In our effort to characterize a gene at chromosome 11q13 involved in a t(11;17)(q13;q21) translocation in B-non-Hodgkin lymphoma, we have identified a novel human gene, NOF (Neighbour of FAU). It maps right next to FAU in a head to head configuration separated by a maximum of 146 nucleotides. cDNA clones representing NOF hybridized to a 2.2-kb mRNA present in all tissues tested. The largest open reading frame appeared to contain 166 amino acids and is proline rich, and the sequence shows no homology with any known gene in the public databases. The NOF gene consists of 4 exons and 3 introns spanning approximately 5 kb, and the boundaries between exons and introns follow the GT/AG rule. The NOF locus is conserved during evolution, with the predicted protein having over 80% identity to three translated mouse and rat ESTs of unknown function. Moreover, the mouse ESTs map in the same organization, closely linked to the FAU gene, in the mouse genome. NOF, however, is not affected by the t(11;17)(q13;q21) chromosomal translocation.

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