Diagrammatic role of NRXN1α, DAG1, and NXPH1 in the hematopoietic system. (A) NRXN1α, DAG1, and recombinant NXPH1 as they behave in the hematopoietic model in vitro. (B) Hypothetical interaction of NRXN1α, DAG1, and recombinant NXPH1 in vivo.