TAFA: a novel secreted family with conserved cysteine residues and restricted expression in the brain

We have discovered a family of small secreted proteins in Homo sapiens and Mus musculus using a novel database searching strategy. The family is composed of five highly homologous genes referred to as TAFA-1 to -5. The TAFA genes encode proteins of approximately 100 amino acids that contain conserve...

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Veröffentlicht in:Genomics (San Diego, Calif.) Calif.), 2004-04, Vol.83 (4), p.727-734
Hauptverfasser: Tom Tang, Y, Emtage, Peter, Funk, Walter D, Hu, Tianhua, Arterburn, Matthew, Park, Emily E.J, Rupp, Fabio
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container_end_page 734
container_issue 4
container_start_page 727
container_title Genomics (San Diego, Calif.)
container_volume 83
creator Tom Tang, Y
Emtage, Peter
Funk, Walter D
Hu, Tianhua
Arterburn, Matthew
Park, Emily E.J
Rupp, Fabio
description We have discovered a family of small secreted proteins in Homo sapiens and Mus musculus using a novel database searching strategy. The family is composed of five highly homologous genes referred to as TAFA-1 to -5. The TAFA genes encode proteins of approximately 100 amino acids that contain conserved cysteine residues at fixed positions. TAFA-1 to -4 are more closely related to each other than to TAFA-5, in which a conserved motif including CC in TAFA-1 to -4 is not present. In H. sapiens, TAFA-3 has two isoforms formed by alternative splicing. Sequence homology analyses reveal that TAFA proteins appear distantly related to MIP-1α, a member of the CC-chemokine family. TAFA mRNAs are highly expressed in specific brain regions, with little expression seen in other tissues.
doi_str_mv 10.1016/j.ygeno.2003.10.006
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The family is composed of five highly homologous genes referred to as TAFA-1 to -5. The TAFA genes encode proteins of approximately 100 amino acids that contain conserved cysteine residues at fixed positions. TAFA-1 to -4 are more closely related to each other than to TAFA-5, in which a conserved motif including CC in TAFA-1 to -4 is not present. In H. sapiens, TAFA-3 has two isoforms formed by alternative splicing. Sequence homology analyses reveal that TAFA proteins appear distantly related to MIP-1α, a member of the CC-chemokine family. TAFA mRNAs are highly expressed in specific brain regions, with little expression seen in other tissues.</abstract><cop>San Diego, CA</cop><pub>Elsevier Inc</pub><pmid>15028294</pmid><doi>10.1016/j.ygeno.2003.10.006</doi><tpages>8</tpages></addata></record>
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ispartof Genomics (San Diego, Calif.), 2004-04, Vol.83 (4), p.727-734
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source Elsevier ScienceDirect Journals Complete - AutoHoldings; MEDLINE
subjects Alternative Splicing
Amino Acid Sequence
Animals
Biological and medical sciences
Brain - metabolism
CC chemokines
Chemokine CCL3
Chemokine CCL4
Chemokines - genetics
Chemokines - metabolism
Cloning, Molecular
Cluster analysis
Conserved Sequence
Cysteine - chemistry
Cysteine - metabolism
Cytokines
DNA Primers - chemistry
Expressed Sequence Tags
Fundamental and applied biological sciences. Psychology
Gene Expression Regulation
Genes. Genome
Genetics of eukaryotes. Biological and molecular evolution
Homo sapiens
Humans
Intercellular signaling proteins
Macrophage Inflammatory Proteins - metabolism
Mice
MIP-1α
Models, Genetic
Molecular and cellular biology
Molecular cloning
Molecular genetics
Molecular Sequence Data
Multigene Family
Mus musculus
Phylogeny
Protein Isoforms
Protein Sorting Signals
Sequence Homology, Amino Acid
Signal peptide
Signal Transduction
title TAFA: a novel secreted family with conserved cysteine residues and restricted expression in the brain
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