| Q1IAK7 | DCHS_PSEE4 | Pseudomonas entomophila (strain L48) | hdc PSEEN2506 | Detail |
| P0C2E5 | DCHS_CLOPE | Clostridium perfringens (strain 13 / Type A) | hdc CPE0390 | Detail |
| B2HVG6 | DCHS_ACIBC | Acinetobacter baumannii (strain ACICU) | hdc ACICU_02576 | Detail |
| B0JRV5 | CPXT2_MICAN | Microcystis aeruginosa (strain NIES-843) | cpcT2 MAE_10330 | Detail |
| B1X559 | CPXS2_PAUCH | Paulinella chromatophora | cpcS2 PCC_0659 | Detail |
| A1RRA5 | DAPAL_PYRIL | Pyrobaculum islandicum (strain DSM 4184 / JCM 9189 / GEO3) | dapAL Pisl_0309 | Detail |
| P16453 | DCHS_RAT | Rattus norvegicus (Rat) | Hdc | Detail |
| B7I459 | DCHS_ACIB5 | Acinetobacter baumannii (strain AB0057) | hdc AB57_2808 | Detail |
| P31967 | CPCE_SYNP2 | Synechococcus sp. (strain ATCC 27264 / PCC 7002 / PR-6) (Agmenellum quadruplicatum) | cpcE SYNPCC7002_A2213 | Detail |
| Q8L0Z4 | DCHS_RAOOR | Raoultella ornithinolytica (Klebsiella ornithinolytica) | hdc | Detail |