Protein Portal
نویسندگان
چکیده
منابع مشابه
Portal protein diversity and phage ecology
Oceanic phages are critical components of the global ecosystem, where they play a role in microbial mortality and evolution. Our understanding of phage diversity is greatly limited by the lack of useful genetic diversity measures. Previous studies, focusing on myophages that infect the marine cyanobacterium Synechococcus, have used the coliphage T4 portal-protein-encoding homologue, gene 20 (g2...
متن کاملSURGICAL EXPERIENCE WITH PORTAL HYPERTENSION DUE TO HEPATOPORTAL SCLEROSIS (NONCIRRHOTIC PORTAL FIBROSIS)
Hepatoportal sclerosis or idiopathic portal hypertension has a worldwide distribution with prevalence in developing and temperate countries. Of 64 patients with this disease seen during a twelve year period, 36 underwent splenectomy or a shunt procedure. The indications for surgical intervention were severe hypersplenism and persistent left upper abdominal pain andlorhistory of frequent ep...
متن کاملExtrahepatic portal hypertension due to familial protein S deficiency.
Portal vein thrombosis (PVT) is a common cause of portal hypertension in children. A majority of children with PVT of unknown etiology have functional Protein C deficiency or abnormally elevated levels of anti-cardiolipin antibodies. We report an 8 years old Indian girl with portal cavernoma due to hereditary Protein S deficiency. We documented familial deficiency of Protein S in 2 asymptomatic...
متن کاملPortal circulation and portal hypertension.
During the last 25 years, there have been important developments in visualising the portal vein, in examining its contents, and in measuring the pressure of blood flowing within it. Radiologists have set the scene and now is the time of the scanner. These technical advances have been applied to the diagnosis and treatment of patients with portal hypertension, and many ingenious surgical techniq...
متن کاملStructural framework for DNA translocation via the viral portal protein.
Tailed bacteriophages and herpesviruses load their capsids with DNA through a tunnel formed by the portal protein assembly. Here we describe the X-ray structure of the bacteriophage SPP1 portal protein in its isolated 13-subunit form and the pseudoatomic structure of a 12-subunit assembly. The first defines the DNA-interacting segments (tunnel loops) that pack tightly against each other forming...
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ژورنال
عنوان ژورنال: Science News
سال: 2003
ISSN: 0036-8423
DOI: 10.2307/4018991