| 
				Acetylation 
                (N-Terminal), 
				HYNIC 
                (N-Terminal), 
				DTPA 
                (N-Terminal), 
				Formylation 
                (N-Terminal) 
				Fatty 
                acid (N-Terminal) 
				Myristic 
                acid (N-Terminal) 
				Palmytolyl 
                (N-Terminal) 
				Benzyloxycarbonylation 
                 (CBZ) 
				Amidation 
                (C-Terminal) 
				Succinylation 
                (Suc, N-Terminal) 
				  
				   | 
              
				D-Arg, 
                D-Cys, D-Asp, D-Asn, D-Glu, D-Gln, D-Ser, D-His, D-Thr, D-Trp, 
                D-Leu,D-Ile, D-Met, D-Pro, D-Val ,D-Phe, pGlu, Hyp, D-Lys,D-Tyr, D-Orn, Orn, Abu, Aib, (D)1-Nal, (D)2-Pal, 
                (D)4-Cl-Phe, Nva, Nle, Hse, Hcy, Pen, Mpa,N-Methyl 
                amino acid (Ala, Phe, Leu, Ile, Val, Gly, Met),Other 
                amino acid, Dinitrobenzoylation 
                (Lys), Lys(Me2), Phosphorylation 
                (Tyr, Ser, Thr, single site), Tyr(SO3H2), Ser(octanoic 
                acid)   
				   | 
              
				Biotin 
                (N-Terminal, Y/N Ahx), 
				Biotin 
                (Lys in sequence) 
				Biotin 
                (without Lys in sequence) 
				FITC/5-FAM 
                (N-Terminal, Y/N Ahx) 
				Dansyl 
                (N-Terminal, Y/N Ahx) 
				MCA 
                (N-Terminal) 
				p-Nitroanilide(pNA, 
				C-Terminal) 
				AMC 
				(C-Terminal)  | 
              
				Disulfide 
                bridge 1st 
				Disulfide 
                bridge 2nd 
				Disulfide 
                bridge 3rd 
				Amide 
                cyclic (Side chain, end)  | 
              
				Abz/ 
                Tyr (3-NO2), 
				 EDANS/DABCYL  | 
              
				Asymmetric 
                4 branches 
				Asymmetric 
                8 branches  | 
              
				KLH 
				BSA  |