Table 1. Amino acid sequences for GCRPs and related peptides.
| Peptides | 1 | 11 | 21 | 31 | 41 |
| Chicken GCRP | HSEGTFTSDF | TRYLDKMKAK | DFVHWLINT | ||
| Xenopus GCRP | HSEGTFSSDL | TRYLDKMKAK | DFVQWLMN | ||
| Medaka GCRP | HTDGMFTSDL | TNYLDKMKAK | NFVEWLAAIK | QQE | |
| Human GLP1 | HAEGTFTSDV | SSYLEGQAAK | EFIAWLVKGR | ||
| Chicken GLP1 | HAEGTYTSDI | TSYLEGQAAK | EFIAWLVNGRa | ||
| Medaka GLP1 | HADGTFTSDV | SAYLKEQAIK | DFVAKLKSGQ | I | |
| Human GLP2 | HADGSFSDEM | NTILDNLAAR | DFINWLIQTK | ITD | |
| Chicken GLP2 | HADGTFTSDI | NKILDDMAAK | EFLKWLINTK | VTQ | |
| Medaka GLP2 | HVDGSFTSDV | NKVLDSMAAK | EYLLWVMTSK | PSNE | |
| Human GIP | YAEGTFISDY | SIAMDKIHQQ | DFVNWLLAQK | GKKNDWKHNI | TQ |
| Chicken GIP | YSEATLASDY | SRTMDNMLKK | NFVEWLLARR | EKKSDNVIEP | Y |
| Human GCG | HSQGTFTSDY | SKYLDSRRAQ | DFVQWLMNT | ||
| Chicken GCG | HSQGTFTSDY | SKYLDSRRAQ | DFVQWLMST | ||
| Medaka GCG1 | HSEGTFSNDY | SKYLEDRKAQ | DFVRWLMNN | ||
| Medaka GCG2 | HSEGTFSNDY | SKYLETRRAH | DFVQWLKNS | ||
| Exe-4 | HGEGTFTSDL | SKQMEEEAVR | LFIEWLKNGG | PSSGAPPPSG | |
| Chicken [GQA]GCRP | HSEGTFTSDF | TRYLDGQAAK | DFVHWLINT | ||
| Chicken [KMK]GLP1 | HAEGTFTSDV | SSYLEKMKAK | EFIAWLVKGR |