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Each Sindbis virus (SINV) surface glycoprotein has two sites for N-linked glycosylation (E1 positions 139 and 245 [E1-139 and E1-245] and E2 positions 196 and 318 [E2-196 and E2-318]). Studies of SINV strain TE12 mutants with each site eliminated identified the locations of carbohydrates by cryo-electron microscopy (S. V. Pletnev et al., Cell 105:127-136, 2001). In the current study, the effect...

_______________________________________ 237 Introduction _______________________________________ 237 Methods and procedures-------.------.---------238 Acknowledgements. __--___-_-___-_____--________ 239 Geology-__________________________________ 239 Characteristics of the nodules_______________________ 240 Preservation of the fossils-_-__-_-____________________ 241 Age of the fauna_--__-__-__--...

We observed the neutron star X-ray transient 2S 1803−245 in quiescence with the X-ray satellite XMM–Newton, but did not detect it. An analysis of the X-ray bursts observed during the 1998 outburst of 2S 1803−245 gives an upper limit to the distance of 7.3 kpc, leading to an upper limit on the quiescent 0.5–10 keV X-ray luminosity of 2.8 × 1032 erg s−1 (3σ ). Since the expected orbital period of...

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .245 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .245 Mechanism of arrhythmia in AF . . . . . . . . . . . . . . . . . . . . . . .246 Role of conduction slowing in AF . . . . . . . . . . . . . . . . . . . . .246 Gap junction dysfunction is associated with AF . . . . . . . . . ...