Receptors Homodimers /Heterodimers References SSTR1 SSTR1* SSTR4* SSTR5 [59,65,92,106] SSTR2 SSTR2 SSTR3** SSTR5 [64,79,99] SSTR3 SSTR2** SSTR3 [99,102] SSTR4 SSTR1* SSTR4 SSTR5 [106] SSTR5 SSTR1 SSTR2 SSTR4 SSTR5 [59,65,79,106] * Homo or heterodimerization not detected ** Receptor of rat origin

Table 1: Somatostatin receptors homo-and/or Heterodimerization.