(CDS pCT_066) within the sequence, which shares homology with genes found in only 4 closely related plasmids (pO26vir; pO113, TP113, and pSERB1) and has limited identity to homologue SigB in Yersinia frederiksenii.
Most of Afghanistan has a subarctic mountain climate with dry and cold winters, except for the lowlands, which have arid and semiarid climates.
Geography of Afghanistan. Hindu Kush mountain range segregates Afghanistan east to west. In the east, they rise to height of 24,000 ft (7315m). Afghanistan is a mountainous country barring the south-west. Tall snow-carpeted mountains and deep valleys occupy most part of the country. Near the sourthern border with Afghanistan are large areas of sandy desert. Four major river systems of the country are Amu Darya, Helmand, Hari Rud and Kabul.