| Uniprot ID | NCBI RefSeq | Archaea/Bacteria | Species | Annotation | Identity to FS02 |
| W0JIR4 | WP_049951831.1 | A | Halostagnicola larsenii | alpha/beta hydrolase | 32% |
| L0ALB7 | WP_005580491.1 | A | Natronobacterium gregoryi | alpha/beta hydrolase | 31% |
| M0DBB1 | WP_008384884.1 | A | Halogeometricum pallidum | alpha/beta hydrolase | 34% |
| N0BCB5 | WP_015590857.1 | A | Archaeoglobus sulfaticallidus | hydrolase of the alpha/beta superfamily | 55% |
| D3S043 | WP_012966445.1 | A | Ferroglobus placidus | hypothetical protein | 60% |
| O29736 | WP_010878021.1 | A | Archaeoglobus fulgidus | hypothetical protein | 99% |
| C1F9B1 | WP_012680666.1 | B | Acidobacterium capsulatum | alpha/beta hydrolase | 30% |
| Q022D1 | WP_011684934.1 | B | Solibacter usitatus | hypothetical protein | 33% |
| I7ZH91 | WP_007184188.1 | B | Hydrocarboniphaga effuse | hypothetical protein | 27% |
| A6VBB3 | WP_003150434.1 | B | Pseudomonas aeruginosa | alpha/beta hydrolase | 29% |
| I4C162 | WP_052315987.1 | B | Desulfomonile tiedjei | hypothetical protein | 29% |
| A0LIX5 | WP_011698547.1 | B | Syntrophobacter fumaroxidans | alpha/beta hydrolase family protein | 26% |