Abstract
A novel human gene, TANGO, encoding a MIA ('melanoma inhibitory activity') homologous protein was identified by a gene bank search. TANGO, together with the homologous genes MIA, OTOR (FPD, MIAL) and MIA2 define a novel gene family sharing important structural features, significant homology at both the nucleotide and protein level, and similar genomic organization. The four members share 34-45% ...
Abstract
A novel human gene, TANGO, encoding a MIA ('melanoma inhibitory activity') homologous protein was identified by a gene bank search. TANGO, together with the homologous genes MIA, OTOR (FPD, MIAL) and MIA2 define a novel gene family sharing important structural features, significant homology at both the nucleotide and protein level, and similar genomic organization. The four members share 34-45% amino acid identity and 47-59% cDNA sequence identity. TANGO encodes a mature protein of 103 amino acids in addition to a hydrophobic secretory signal sequence. Sequence homology confirms the highly conserved SH3 structure present also in MIA, OTOR and MIA2. Thus, it appears that there are a number of extracellular proteins with SH3-fold like structures. Interestingly, in situ hybridization, RTPCR and Northern Blots revealed very broad TANGO expression patterns in contrast to the highly restricted expression patterns previously determined for the other members of the MIA gene family. The only cells lacking TANGO expression are cells belonging to the hematopoetic system. High levels of TANGO expression were observed both during embryogenesis and in adult tissues. (C) 2003 Elsevier B.V. All rights reserved.
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