aspartic acid l- aspartic acid, asp, d, aspartate proteinogenic amino acid molecule. structural chemical formula on the dark

acid aliphatic amino asp asparagine aspartate aspartic atom blue carbon chemical chemistry compound dark formula hydrogen illustration mediator metabolism model molecule nervous neuro neurotransmitter nitrogen organic oxygen peptide physiology protein proteinogenic pyrimidine science stimulating structural structure synapse synaptic transmitter vector white