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element excision factor XisH family protein
The fdxN element, along with two other DNA elements, is excised from the chromosome during heterocyst differentiation in cyanobacteria. The xisH as well as the xisF and xisI genes are required [1]. [1]. 9106215. Cell-type specificity of the Anabaena fdxN-element rearrangement. requires xisH and xisI.. Ramaswamy KS, Carrasco CD, Fatma T, Golden JW;. Mol Microbiol. 1997;23:1241-1249. (from Pfam)
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