The S(MK) box is a conserved riboswitch motif found in the 5' untranslated region of metK genes [encoding S-adenosylmethionine (SAM) synthetase] in lactic acid bacteria, including Enterococcus, Streptococcus, and Lactococcus sp. Previous studies showed that this RNA element binds SAM in vitro, and SAM binding causes a structural rearrangement that sequesters the Shine-Dalgarno (SD) sequence by ...

: this study classify the regions and districts according to the access of male and female students to educational opportunities in sistan and baloochestan. the necessary information was collected in terms of regions, districts, and sex by referring to the iranian statistics of census and population in 1375. we used gini coefficient and lorenz curve to rank the regions and measure the access to...

Since 1975, the extent of catching-up has been very different across Southern regions. Starting from the common arguments of growth theory, the paper wishes to show whether differences in regional income and growth can be attributed to different endowment in human capital, differences in private or public investment level, to structural imbalances, and labour force participation. The investigat...

S/MARt DB, the S/MAR transaction database, is a relational database covering scaffold/matrix attached regions (S/MARs) and nuclear matrix proteins that are involved in the chromosomal attachment to the nuclear scaffold. The data are mainly extracted from original publications, but a World Wide Web interface for direct submissions is also available. S/MARt DB is closely linked to the TRANSFAC da...

Class switch recombination (CSR) is regulated by the expression of activation-induced deaminase (AID) and germline transcripts (GLTs). AID-dependent double-strand breaks (DSBs) are introduced into switch (S) regions and stimulate CSR. Although histone acetylation (Ac) has been well documented in transcription regulation, its role in DNA damage repair remains largely unexplored. The 1B4.B6 B cel...

Energy rich regions (ERRs) play an important role in the world economy. A knowledge base of energy rich economies on a regional level provides a useful tool for comparative research of sustainable development in ERRs with an interdisciplinary perspective. The purpose of this knowledge base is to present a foundation for understanding the attributes and development processes of various ERRs and ...

During oocyte maturation, cyclin B1 mRNA is translationally activated by cytoplasmic polyadenylation. This process is dependent on cytoplasmic polyadenylation elements (CPEs) in the 3' untranslated region (UTR) of the mRNA. To determine whether a titratable factor might be involved in the initial translational repression (masking) of this mRNA, high levels of cyclin B1 3' UTR were injected into...