l-canavanine , the guanidinooxy structural analog of l-arginine , is an important nonprotein amino acid of many leguminous plants with nitrogen storage a major proported role . l- [ guanidinooxy- ( 14 ) c ] canavanine , [ ( 14 ) c ] urea , and [ ( 15 ) n ] urea were injected separately into the fleshy , green cotyledons of 9-day old jack bean plants , canavalia ensiformis ( l . )
C0002520
amino acid
C0006825
canavanine