نتایج جستجو برای: alanine aminopeptidase
تعداد نتایج: 32708 فیلتر نتایج به سال:
Digestive proteases of the digestive tract of the apple snail Pomacea canaliculata were studied. Luminal protease activity was found in the crop, the style sac and the coiled gut and was significantly higher in the coiled gut. Several protease bands and their apparent molecular weights were identified in both tissue extracts and luminal contents by gel zymography: (1) a 125 kDa protease in sali...
Aminopeptidase N/CD13 (Anpep) is a membrane-bound protein that catalyzes the formation of natriuretic hexapeptide angiotensin IV (ANG IV) from ANG III. We previously reported that Anpep is more highly expressed in the kidneys of Dahl salt-resistant (SR/Jr) than salt-sensitive (SS/Jr) rats, Anpep maps to a quantitative trait locus for hypertension, and that the Dahl SR/Jr rat contains a function...
AIM To obtain the information of ligand-receptor binding between the S protein of SARS-CoV and CD13, identify the possible interacting domains or motifs related to binding sites, and provide clues for studying the functions of SARS proteins and designing anti-SARS drugs and vaccines. METHODS On the basis of comparative genomics, the homology search, phylogenetic analyses, and multi-sequence a...
Nascent proteins emerging from translating ribosomes in bacteria are screened by a number of ribosome-associated protein biogenesis factors, among them the chaperone trigger factor (TF), the signal recognition particle (SRP) that targets ribosomes synthesizing membrane proteins to the membrane and the modifying enzymes, peptide deformylase (PDF) and methionine aminopeptidase (MAP). Here, we exa...
The metal-dependent membrane alanyl aminopeptidase (amino-peptidase N, APN, CD13; EC 3.4.11.2) is a well-established marker of normal and malignant cells of the myelo-monocytic lineage. It is also expressed by leukaemic blasts of a small group of patients suffering from acute or chronic lymphoid leukaemia. CD13-specific monoclonal antibodies do not bind to the surface of normal B lymphocytes, a...
The chromosomal pepN gene encoding lysyl-aminopeptidase activity in Lactococcus lactis has been identified in a lambda EMBL3 library in Escherichia coli by using an immunological screening with antiserum against a purified aminopeptidase fraction. The pepN gene was localized and subcloned in E. coli on the basis of its expression and hybridization to a mixed-oligonucleotide probe for the previo...
Abstract The placental leucine aminopeptidase/insulin-regulated aminopeptidase, endoplasmic reticulum aminopeptidase 1 and 2 are part of a distinct subfamily M1 aminopeptidases termed the ‘oxytocinase subfamily’. members show molecular diversity due to differential usage translation initiation sites, alternative splicing multiple single nucleotide polymorphisms. It is becoming evident that, dep...
Porphyromonas gingivalis is a major pathogen associated with adult periodontitis. We cloned and sequenced the gene (dpp) coding for dipeptidyl aminopeptidase IV (DPPIV) from P. gingivalis W83, based on the amino acid sequences of peptide fragments derived from purified DPPIV. An Escherichia coli strain overproducing P. gingivalis DPPIV was constructed. The enzymatic properties of recombinant DP...
Hyperbilirubinemia (HB) is sometimes encountered following bile-duct cannulation in rats. It possibly originates from the reduced functioning of multidrug resistance-associated protein 2 (Mrp2) and subsequent adaptive alterations in the expression of Mrp3 and the organic anion transporting polypeptides (Oatps). Our aim was to clarify the importance of excluding bile-duct-cannulated (BDC) rats w...
Mutations within cytotoxic T lymphocyte (CTL) epitopes impair T cell recognition, but escape mutations arising in flanking regions that alter antigen processing have not been defined in natural human infections. In human histocompatibility leukocyte antigen (HLA)-B57+ HIV-infected persons, immune selection pressure leads to a mutation from alanine to proline at Gag residue 146 immediately prece...
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