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Loss-of-Function Intolerance Measured by LOEUF

LOEUF is one of the two constraint numbers the seed paper reports for ABCC9 (0.482). Students need to know it is an observed-to-expected ratio built from population sequencing, with a confidence bound baked in, before they can read that figure as evidence of anything.

Questions this Concept answers

Why does a low LOEUF value suggest a gene is intolerant of being broken?

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How to Read gnomAD Constraint Metrics: pLI, LOEUF, and Missense Z

The post explains that every gnomAD gene-constraint metric is a comparison of observed variant counts against counts expected under a trinucleotide-context mutation model fitted to a large population…