NCIt synonyms : ICAM-4; ICAM4; CD242; CD242 Antigen; Landsteiner-Wiener Blood Group Glycoprotein; LW Blood Group Protein;
NCIt definition : Intercellular adhesion molecule 4 (271 aa, 29 kDa) is encoded by the human ICAM4
gene. This protein is involved in integrin binding and cell-cell adhesion.;
NCIt note : The molecular basis of the Landsteiner-Wiener (LW) blood group antigens is a single
amino acid variation at position 100 of the intercellular adhesion molecule 4 protein;
a glutamine at this position is the LW(A) blood group and arginine is the LW(B) blood
group. (EntrezGene and OMIM);