sf1003 is a CRISPR-engineered deletion in aat-1. aat-1(sf1003) mutants show elevated pumping rates and enhanced learning capacity compared to well-fed wild type animals (similar to nkat-1 mutants). Reference: Lin L, et al. Genes Dev. 2020 Aug 1;34(15-16):1033-1038. doi: 10.1101/gad.339119.120. PMID: 32675325.