lacks_plasma_membrane_part has plasma membrane part in taxon immature natural killer cell CD56-negative, CD161-positive immature natural killer cell, human 2010-09-20T04:33:11Z Human markers; killer cell immunoglobulin-like receptor 2DL1 is used as a representative example (PRO at this time lacks a KIR superfamily). p-NK A natural killer cell that is developmentally immature, has the phenotype CD34-negative, CD56-negative, CD117-positive, CD122-positive,and CD161-positive. Homo sapiens CD34 molecule neural cell adhesion molecule 1 interleukin-2 receptor subunit beta KLRB1-like protein mast/stem cell growth factor receptor