Association of Major Histocompatibility Class II Antigens with Core Subdomains Present Within Human Ocular Drusen

2007 ◽  
pp. 229-236
1989 ◽  
Vol 9 (11) ◽  
pp. 5219-5222
Author(s):  
A Celada ◽  
R Maki

The X box is a loosely conserved DNA sequence that is located upstream of all major histocompatibility class II genes and is one of the cis-acting regulatory elements. Despite the similarity between all X-box sequences, each promoter-proximal X box in the mouse appears to bind a separate nuclear factor.


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