RRC ID 3465
著者 Mauchamp B, Royer C, Garel A, Jalabert A, Da Rocha M, Grenier AM, Labas V, Vinh J, Mita K, Kadono K, Chavancy G.
タイトル Polycalin (chlorophyllid A binding protein): a novel, very large fluorescent lipocalin from the midgut of the domestic silkworm Bombyx mori L.
ジャーナル Insect Biochem Mol Biol
Abstract We studied a protein from the midgut of the silkworm Bombyx mori characterized by its ability to bind the prosthetic group of chlorophyll, that confers fluorescent properties to this protein. Several techniques, 2D electrophoresis purification, MS-MS and Maldi-TOF peptide sequencing, RT-PCR and nucleotide sequencing were used to obtain the nucleotide sequence and the deduced amino acid sequence. The coding sequence was compared to the gene sequence to define the number and size of introns and exons. The gene spanned 45.5 kb of DNA and consisted of 46 exons. The cDNA encoded a protein of 2721 amino acids. The protein was identified as a lipocalin with novel features. Most lipocalins are proteins with high affinity to small lipophilic molecules, with a molecular size in the 25 kDa range and a well conserved tertiary structure. The apoprotein described here revealed 15 lipocalin like structures, in line. We called this protein a polycalin (pentadecacalin).
巻・号 36(8)
ページ 623-33
公開日 2006-8-1
DOI 10.1016/j.ibmb.2006.05.006
PII S0965-1748(06)00112-3
PMID 16876705
MeSH Amino Acid Sequence Animals Bombyx / chemistry* Bombyx / genetics Gastrointestinal Tract / chemistry Genome, Insect Insect Proteins / analysis Insect Proteins / chemistry* Insect Proteins / genetics Molecular Sequence Data Sequence Analysis, DNA Spectrometry, Mass, Electrospray Ionization Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization
IF 3.827
引用数 25
WOS 分野 ENTOMOLOGY BIOCHEMISTRY & MOLECULAR BIOLOGY
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