... promoter is independent of TATA-binding-protein-associated factors and initiator-bindingproteins. Mol. Cell Biol. 17, 2973–2984.32. Weis, L. & Reinberg, D. (1992) Transcription by RNA poly-merase ... the hyperacutevascular rejection occurring in pig -to- primates organ trans-plantation. The synthesis of the aGal epitope is catalyzed bythe enzyme a1,3-galactosyltransferase (a1,3GalT). To beable ... necrosis factora -activation of P EC-A cells. However, the magnitude of thischange induced by in ammatory conditions could beinsufficient to affect cell surface a1,3-galactosylation.Keywords:...