Glyceraldehyde 3-phosphate is an aldotriose phosphate that is the 3-phospho derivative of glyceraldehyde. It is an important metabolic intermediate in several central metabolic pathways in all organisms. It has a role as a human metabolite, a plant metabolite and an Escherichia coli metabolite. It is an aldotriose phosphate and an aldehyde. It is functionally related to a glyceraldehyde. It is a conjugate acid of a glyceraldehyde 3-phosphate(2-).