Binding affinities of somatostatin-14 and octreotide to somatostatin receptor subtypes SSTR 1 to SSTR 520
| Receptor subtype | |||||
|---|---|---|---|---|---|
| SSTR 1 | SSTR 2 | SSTR 3 | SSTR 4 | SSTR 5 | |
| + +, high affinity; +, moderate affinity; —, does not bind | |||||
| Somatostatin-14 | + + | + + | + + | + + | + + |
| Octreotide | — | + + | + | — | + + |