- insulin level locus 1 LLGL4 MGI:2443815 A830015P08Rik T2dm1 Stxbp5l Gene T2dm1|t2md1|tomosyn-2|insulin level locus 1|A830015P08Rik|LLGL4 syntaxin binding protein 5-like protein coding gene http://identifiers.org/mgd/MGI:2443815 genetic mapping tomosyn-2 O t2md1