| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| Q20410 | Serpentine receptor class alpha-12; Protein sra-12; | sra-12; | NP_496346.2; | 327 | c.elegen |
| Q20618 | Serpentine receptor class alpha-13; Protein sra-13; | sra-13; | NP_001022186.1;NP_001022187.1; | 335 | c.elegen |
| O17842 | Serpentine receptor class alpha-17; Protein sra-17; | sra-17; | NP_493212.2; | 337 | c.elegen |
| O18689 | Serpentine receptor class alpha-18; Protein sra-18; | sra-18; | NP_493214.1; | 340 | c.elegen |
| Q09203 | Serpentine receptor class alpha-1; Protein sra-1; | sra-1; | NP_496042.1; | 331 | c.elegen |
| O17844 | Serpentine receptor class alpha-20; Protein sra-20; | sra-20; | NP_493216.1; | 339 | c.elegen |
| O18690 | Serpentine receptor class alpha-21; Protein sra-21; | sra-21; | NP_493217.1; | 339 | c.elegen |
| O17846 | Serpentine receptor class alpha-22; Protein sra-22; | sra-22; | NP_493218.2; | 339 | c.elegen |
| O62367 | Serpentine receptor class alpha-23; Protein sra-23; | sra-23; | NP_493219.1; | 340 | c.elegen |
| O62368 | Serpentine receptor class alpha-24; Protein sra-24; | sra-24; | NP_493220.2; | 339 | c.elegen |
| O17847 | Serpentine receptor class alpha-25; Protein sra-25; | sra-25; | NP_493211.2; | 335 | c.elegen |
| Q19549 | Serpentine receptor class alpha-27; Protein sra-27; | sra-27; | NP_495328.2; | 344 | c.elegen |
| Q19550 | Serpentine receptor class alpha-28; Protein sra-28; | sra-28; | NP_495329.1; | 341 | c.elegen |
| Q19552 | Serpentine receptor class alpha-29; Protein sra-29; | sra-29; | NULL | 348 | c.elegen |
| Q09204 | Serpentine receptor class alpha-2; Protein sra-2; | sra-2; | NP_496044.1; | 329 | c.elegen |
| Q18881 | Serpentine receptor class alpha-31; Protein sra-31; | sra-31; | NP_495332.2; | 338 | c.elegen |
| Q10934 | Serpentine receptor class alpha-32; Protein sra-32; | sra-32; | NP_494801.2; | 338 | c.elegen |
| Q10935 | Serpentine receptor class alpha-33; Protein sra-33; | sra-33; | NP_494802.3; | 327 | c.elegen |
| Q10936 | Serpentine receptor class alpha-34; Protein sra-34; | sra-34; | NP_872060.2; | 355 | c.elegen |
| O62420 | Serpentine receptor class alpha-39; Protein sra-39; | sra-39; | NP_510315.1; | 375 | c.elegen |
