N Terminus
Ac (Acetylation)
Fmoc (9-Fluorenylmethyloxycarbonyl)
Mal (Maleimide)
HPP (4-Hydroxyphenylpropionic acid)
Hex (Hexanoic acid)
Pal (Palmitic acid)
Lau (Lauric acid)
For (Formylation)
BZ (Benzoic Acid)
CBZ (Benzyloxycarbonyl)
LA (Lipoic acid)
Oct (Octanoic acid)
Ste (Stearic acid)
Boc (tertbutoxycarbonyl)
Cl-Ac (Chloroacetyl)
Br-Ac (Bromoacetyl)
But (Butyric acid)
Dec (Decanoic acid)
Myr (Myristic acid)
C Terminus
NH2 (Amidation)
Hydrazide
Biotin(Lys(biotin))
CHO (Peptide Aldehydes)
AMC (7-Amino-4-Methylcoumarin)
Fluorescence(Lys(FITC), Lys(FAM))
OL (Alcohol Peptide)
pNA (p-Nitroaniline)
Cya (Cysteamide)
D Amino Acid
D-Ala
D-Cys
D-Ile
D-Pro
D-Thr
D-Arg
D-Glu
D-Leu
D-Phe
D-Trp
D-Asp
D-Gln
D-Lys
D-Ser
D-Val
D-Asn
D-His
D-Met
D-Tyr
Special Amino Acid
Cys(Acm)
Gamma-Glu
Met(O)
Ac-Lys
Tle
D-Ser(Octanoic acid)
D-Abu
D-Phg
Nle
D-Cit
Pen
D-Cha
Dab
D-Pra
Cys(tBu)
Beta-Asp
D-Met(O)
Lys(Dde)
Ser(Octanoic acid)
Aib
Hyp
Nva
D-Nle
Orn
D-Pen
Chg
Dap
Cys(StBu)
D-Beta-Asp
Lys(Ac)
Cpg, Cyclopentylglycine
Ser(Lipoic acid)
Abu
Phg
D-Nva
Cit
D-Orn
Cha
D-Chg
Pra
Fluorescent Labeling
EDFITC (C terminus)
FITC (N terminus)
Lys(FITC) (N terminus)
6-FAM (N terminus)
Lys(5,6-FAM)
5-FAM-LC (N terminus)
Lys(Dansyl) (middle)
Dansyl-LC (N terminus)
EDTAMRA (C terminus)
Lys(TAMRA) (N terminus)
D-Lys(Dnp) (middle)
EDDnp (C terminus)
Lys(MCA) (C terminus)
Cys(Npys) (N terminus)
Rhodamine B- (N terminus)
Fa- (N terminus), 3-[2-2furyl]acrylic acid
Lys(FITC) (middle)
FITC-LC (N terminus)
ED5-FAM (C terminus)
Lys(5-FAM) (C terminus)
Dansyl (N terminus)
Lys(Dansyl) (C terminus)
TAMRA (N terminus)
Lys(TAMRA) (middle)
TAMRA-LC (N terminus)
Dab(Dnp) (middle)
MCA (N terminus)
Lys(MCA) (N terminus)
PyBA- (N terminus), 1-pyrenebutyric acid
Lys(Rhodamine B)
Lys(FITC) (C terminus)
5-FAM (N terminus)
Lys(5-FAM) (middle)
Lys(5-FAM) (N terminus)
EDDansyl (C terminus)
Lys(Dansyl) (N terminus)
5(6)-TAMRA
Lys(TAMRA) (C terminus)
Lys(Dnp) (middle)
Dap(Dnp) (middle)
Lys(MCA) (middle)
3-Indolylacetic acid (N terminus)
Lys(PyBA)
Spacers and Linkers
Gly, 2 Carbons
Ava, 5 Carbons
PEG3
PEG6
PEG24
Beta-Ala, 3 Carbons
Ahx, 6 Carbons
PEG4
PEG8
PEG36
GABA, 4 Carbons
PEG 2
PEG5
PEG12
N-Methyl Amino Acid
{Cys(Me)}, SMC
Arg(Me)
Lys(Me)
L-1-Me-Trp
Tyr(Me)
Orn(Me)3
N-Me-Tyr
N-Me-Glu
N-Me-Leu
N-Me-Met
{ADMA},{Arg(Me)2} asymmetrical
Thr(Me)
Lys(Me2)
L-2-Me-Trp
Tyr(Et)
N-Me-Gly, Sar
N-Me-Thr
N-Me-Ala
N-Me-Ile
N-Me-Nle
{SDMA},{Arg(Me)2} symmetrical
Ser(Me)
Lys(Me3)
D-2-Me-Trp
D-Tyr(Et)
N-Me-Ser
N-Me-Asp
N-Me-Phe
N-Me-Val
N-Me-Nva
Phosphorylation
pSer
pTyr
pThr
1, 2 or 3 phosphorylation sites in the sequence
Multiple Antigen Proteins (MAPs)
Asymmetric 2 Branches
Glu 2 Branches
Asymmetric 4 Branches
Branched Peptides on Lys Side Chain
Asymmetric 8 Branches
Carrier Proteins/Conjugates
KLH Conjugation on N or C terminus
BSA Conjugation on N or C terminus
OVA Conjugation on N or C terminus
Cyclic Peptide
Amide Cyclic Peptide(Head to Tail)
One Disulfide Bond
Amide Cyclic Peptide(Side Chain)
Two Disulfide Bonds
Orn Side Chain Amide Cyclic Peptide