📘 Basic Residues
A Ala
R Arg
N Asn
D Asp
C Cys
E Glu
Q Gln
G Gly
H His
I Ile
L Leu
K Lys
M Met
F Phe
P Pro
S Ser
T Thr
W Trp
Y Tyr
V Val
X Hydroxyprolin
Pca Pipecolic acid
Nle Norleucin
Nva Norvalin
Aba 2-Aminobutanoic acid
Lac n-lactoyl
Suc n-succinoyl
Orn Ornithin
Tau Taurine
Bac Bacitracin Residue
ℹī¸ How to use: Choose your input format (FASTA or BILN) and enter peptide sequences. The model will predict whether each peptide tastes bitter or non-bitter. Reference panels on the sides show available residues and modifications. Click on any residue or modification to insert it into your sequence! For more information about BILN go to BILN paper.

⚠ī¸ Limits: Maximum 200 peptides per request. Each peptide can have up to 50 residues maximum.
🔧 Modifications
y
gamma
b
beta
pyr
pyro
cyc
Cyclic
d
D-amino acids
oMe
O-Methylation
1
Methylation
2
Ethylation
3
Propylation
3d
Prophenylation
3a
Allylation
phos
Phosphorylation
so
S-Oxidation
ph
Phenylation
ef
Ethyl Formate
h
Hydroxylation