PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 9722605-0 1998 Acidic di-leucine motif essential for AP-3-dependent sorting and restriction of the functional specificity of the Vam3p vacuolar t-SNARE. di-leucine 7-17 SNAP receptor VAM3 Saccharomyces cerevisiae S288C 114-119