R-E-D-V
R-F-NH2
R-G-D-C
R-G-D-S-P-A-S-S-K-P
R-G-D-T
R-G-E-S
R-G-Y-S-L-G
R-JAG (188 - 206) R - Jagged - 1(188 - 206), Notch Ligand
R-S-R
Ranamargarin
Ranatensin
Ranatensin R
RC-160(Vapreotide)
Rcramp
rec Acetyl-Eglin c
Renin Inhibitor Peptide
Renoguanylin (eel)
RES-701-1
RES-701-3
RF-amide, Chicken
RF-amide peptide, Drosophila
RFDS
RFRP-1 (Human)
RGD
RGD-4C
RGDV
Rigin
RK9, p17 Gag (20 - 28)
Rnase (90-105)
RR-SRC
RS domain derived peptide
RSK Substrate, S6 (231-239)
RSV M (187 - 195)