| P31800 | n/a | 2a06 | UNL | A | 4091 | e2a06A1 | LuxS, MPP, ThrRS/AlaRS common domain | LuxS, MPP, ThrRS/AlaRS common domain | LuxS/MPP-like metallohydrolase | Peptidase_M16,Peptidase_M16_C |
| P31800 | n/a | 2a06 | UNL | B | 4080 | e2a06A1 | LuxS, MPP, ThrRS/AlaRS common domain | LuxS, MPP, ThrRS/AlaRS common domain | LuxS/MPP-like metallohydrolase | Peptidase_M16,Peptidase_M16_C |
| P31800 | n/a | 2a06 | UNL | N | 4073 | e2a06N1 | LuxS, MPP, ThrRS/AlaRS common domain | LuxS, MPP, ThrRS/AlaRS common domain | LuxS/MPP-like metallohydrolase | Peptidase_M16,Peptidase_M16_C |
| P31800 | n/a | 2a06 | UNL | O | 4084 | e2a06N1 | LuxS, MPP, ThrRS/AlaRS common domain | LuxS, MPP, ThrRS/AlaRS common domain | LuxS/MPP-like metallohydrolase | Peptidase_M16,Peptidase_M16_C |