Blood group antigen precursor

Blood group antigen precursor (substance)

active

Code	`115672004`
Semantic tag	substance
Module	international
Definition	primitive
Effective time	20020131

Parents (1)

115668003Biological substance substance

Children (7)

22023004Blood group antigen Le^x^ substance
115701002Lactyosylceramide substance
115702009Paragloboside substance
47581005Type 1 chain precursor structure (lacto-N-tetraosylceramide) substance
115703004Type 2 chain substance
115704005Type 3 chain substance
115705006Type 4 chain substance