L-citrulline 0.98000001907348632812 0.98401600122451782227 157.0851287841796875 157.1699981689453125 Deamidated N5-(aminocarbonyl)ornithine natural Deamidation L-citrulline MOD_RES Citrulline 2-amino-5-(aminocarbonyl)aminopentanoic acid H -1 N -1 O 1 A protein modification that effectively converts an L-arginine residue to L-citrulline. PSI-MOD N5-carbamoylornithine MOD:00219 This modification is not the result of deamidation, instead the guanidino group is replaced with an ureido group. none C 6 H 11 N 3 O 2 Citrulline N5-carbamylornithine Cit R alpha-amino-delta-ureidovaleric acid delta-ureidonorvaline (S)-2-amino-5-(carbamoylamino)pentanoic acid citrullinationr modified L-arginine residue