| binding | GO:0005488 | 0.18 |
| G-protein coupled photoreceptor activity | GO:0008020 | 7.34 |
| G-protein coupled receptor activity | GO:0004930 | 2.95 |
| photoreceptor activity | GO:0009881 | 6.97 |
| isoprenoid binding | GO:0019840 | 6.05 |
| lipid binding | GO:0008289 | 3.26 |
| vitamin binding | GO:0019842 | 5.34 |
| small molecule binding | GO:0036094 | 1.89 |
| molecular transducer activity | GO:0060089 | 2.32 |
| transmembrane signaling receptor activity | GO:0004888 | 2.57 |
| transmembrane receptor activity | GO:0099600 | 2.53 |
| receptor activity | GO:0004872 | 2.32 |
| signal transducer activity | GO:0004871 | 2.28 |
| signaling receptor activity | GO:0038023 | 2.49 |
| retinoid binding | GO:0005501 | 6.1 |
| 11-cis retinal binding | GO:0005502 | 8.64 |
| retinal binding | GO:0016918 | 7.1 |