| KEGG ID | KO | Definition |
| tsn:W908_01225 | K01903 | malate--CoA ligase subunit beta |
| tho:SP60_05120 | K01903 | succinyl-CoA synthetase subunit beta |
| rma:Rmag_0146 | K01903 | succinyl-CoA synthetase (ADP-forming) beta subunit |
| vok:COSY_0150 | K01903 | succinyl-CoA synthetase beta subunit |
| ebh:BSEPE_0250 | K01903 | succinyl-CoA synthetase beta subunit |