ILPR
Encyclopedia
The insulin-linked polymorphic region (ILPR) is a regulatory sequence
Regulatory sequence
A regulatory sequence is a segment of DNA where regulatory proteins such as transcription factors bind preferentially. These regulatory proteins bind to short stretches of DNA called regulatory regions, which are appropriately positioned in the genome, usually a short distance 'upstream' of the...

 on the insulin gene starting at position -363 upstream from the transcriptional start location of the 5' region and consists of multiple repeats of a ACA-GGGGT(G/C)(T/C)GGG consensus sequence. The polymorphic
Polymorphism (biology)
Polymorphism in biology occurs when two or more clearly different phenotypes exist in the same population of a species — in other words, the occurrence of more than one form or morph...

aspect of this region is due to three possible combinations of sequences according to their length: 700bp, 1600bp and 2500bp.
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