نتایج جستجو برای: two superfamily
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The nuclear receptor (NR) superfamily is comprised of transcription factors that are ligand‑activated in their majority and play a pivotal role biological functions essential for life, such as metabolism homeostasis. Following activation, they undertake the regulation target genes with help co‑regulator proteins, rendering them very promising pharmacological targets. In total, 59 NRs have been ...
abstract previous researches have shown success of growth hormones usage on flower production increase, pod and prevention of abscission of them in some of the pulses. two tests were done, in order to find out the effects of growth hormones to on flower production increase, pod and chick pea yield composites in farmer conditions (2010-11) and green house conditions as factorial on the proje...
the purpose of this study was to examine the comparative effect of story retelling and role playing on efl learners’ vocabulary learning and reading comprehension. to carry out the purpose of the study 90 female learners of tabarestan language school located in noshahr were non-randomly selected. they took pet test and among these 90 participants 62 students were selected as homogenous learners...
this research aims at answering the questions about translation problems and strategies applied by translators when translating cultural concepts. in order to address this issue, qualitative and quantitative study were conducted on two groups of subjects at imam reza international university of mashhad. these two groups were assigned as beginner and advanced translation students (10 students). ...
The Cretaceous family Cretapsychidae Wichard, 2021 belongs to the superfamily Sericostomatoidea Stephens, 1836 and is characterized by five-segmented maxillary palps, with second segment being longest following three segments becoming successively smaller, tibial spur formula 2/2/4. In addition, wing venation apical forks II, III, V in forewings I, hindwings. two newly described species (C. kac...
Margaret O. Dayhoff introduced the term protein superfamily in 1974 [1,2,3]. Since that time, the sequences in the PIR-International Protein Sequence Database have been classified into protein superfamilies. Prior to about 1990, the superfamily classification permitted a sequence to be assigned to a single superfamily only. The recognition of mosaic, multidomain proteins, whose component domain...
Myosins constitute a large superfamily of actin-dependent molecular motors. Phylogenetic analysis currently places myosins into 15 classes. The conventional myosins which form filaments in muscle and non-muscle cells form class II. There has been extensive characterization of these myosins and much is known about their function. With the exception of class I and class V myosins, little is known...
Human ribonuclease A (RNase A) superfamily consists of eight RNases with high sequence homology, in which RNase2 and RNase3 share 78% similarity. The evolutionary variation of RNases results in differential structure and function of the enzymes. To distinguish the characteristics of each RNase, we developed reinforced merging algorithms (RMA) to rapidly predict and identify the unique sequence ...
RNA polymerase from human influenza viruses A, B and C is a heterotrimric enzyme, made up of three different subunits. It performs the crucial function both genome replication as well transcription. One subunits, acidic protein subunit (PA), suggested to an endonuclease in ‘cap-snatching’ mechanism, unique viruses. However, by multiple sequence alignment (MSA) analysis, it was found that PA sub...
Imelysin-like proteins define a superfamily of bacterial proteins that are likely involved in iron uptake. Members of this superfamily were previously thought to be peptidases and were included in the MEROPS family M75. We determined the first crystal structures of two remotely related, imelysin-like proteins. The Psychrobacter arcticus structure was determined at 2.15 Å resolution and contains...
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