serpin family B member 1
EI, PI2, LEI, MNEI
serine (or cysteine) proteinase inhibitor, clade B (ovalbumin), member 1, "serpin peptidase inhibitor, clade B (ovalbumin), member 1"
leukocyte elastase inhibitor, "monocyte/neutrophil elastase inhibitor", "anti-elastase"