| POTASSIUM TRISPHOSPHONOMETHYLAMINE OXIDE | FLR8103G8R | chemical |
| POTASSIUM TRITHIOCARBONATE | VQQ1LG370N | chemical |
| POTASSIUM TRITHIOCARBONATE MONOHYDRATE | G7G996H6LZ | chemical |
| POTASSIUM TUNGSTATE | T6VRM0OU6V | chemical |
| POTASSIUM UNDECYLENATE | 768M7EX694 | chemical |
| POTASSIUM UNDECYLENOYL GLUTAMATE | 98919502SZ | chemical |
| POTASSIUM URANYL NITRATE | WFN7L6F88R | chemical |
| POTASSIUM URANYL SULFATE DIHYDRATE | EG0NI8388Q | chemical |
| POTASSIUM VOLTAGE-GATED CHANNEL SUBFAMILY A MEMBER 1 | 74R0E176PJ | protein |
| POTASSIUM VOLTAGE-GATED CHANNEL SUBFAMILY A MEMBER 10 | 8PM4XUG3UR | protein |
| POTASSIUM VOLTAGE-GATED CHANNEL SUBFAMILY A MEMBER 2 | LW5R6ZH95D | protein |
| POTASSIUM VOLTAGE-GATED CHANNEL SUBFAMILY A MEMBER 3 | TFQ4R8K32Q | protein |
| POTASSIUM VOLTAGE-GATED CHANNEL SUBFAMILY A MEMBER 4 | 95IO8FL4D9 | protein |
| POTASSIUM VOLTAGE-GATED CHANNEL SUBFAMILY A MEMBER 5 | X882EL3LAC | protein |
| POTASSIUM VOLTAGE-GATED CHANNEL SUBFAMILY A MEMBER 6 | 2BX7YNQ9RS | protein |
| POTASSIUM VOLTAGE-GATED CHANNEL SUBFAMILY B MEMBER 1 | N67I8P2A2T | protein |
| POTASSIUM VOLTAGE-GATED CHANNEL SUBFAMILY B MEMBER 2 | 4W7RTJ0DI5 | protein |
| POTASSIUM VOLTAGE-GATED CHANNEL SUBFAMILY C MEMBER 1 | FP8E4M5I14 | protein |
| POTASSIUM VOLTAGE-GATED CHANNEL SUBFAMILY C MEMBER 2 | RY562E0KVV | protein |
| POTASSIUM VOLTAGE-GATED CHANNEL SUBFAMILY C MEMBER 3 | 8G98I06463 | protein |
| POTASSIUM VOLTAGE-GATED CHANNEL SUBFAMILY C MEMBER 4 | BG3AZ6P110 | protein |
| POTASSIUM VOLTAGE-GATED CHANNEL SUBFAMILY D MEMBER 1 | RAK5O923H9 | protein |
| POTASSIUM VOLTAGE-GATED CHANNEL SUBFAMILY D MEMBER 2 | SBD53C2L8V | protein |
| POTASSIUM VOLTAGE-GATED CHANNEL SUBFAMILY D MEMBER 3 | SF4T3949MF | protein |
| POTASSIUM VOLTAGE-GATED CHANNEL SUBFAMILY F MEMBER 1 | T6N4OR4KJC | protein |
| POTASSIUM VOLTAGE-GATED CHANNEL SUBFAMILY G MEMBER 3 | 5QHE6N8LYA | protein |
| POTASSIUM VOLTAGE-GATED CHANNEL SUBFAMILY H MEMBER 1 | IEG9G7Y309 | protein |
| POTASSIUM VOLTAGE-GATED CHANNEL SUBFAMILY H MEMBER 2 | SEV29N8JND | protein |
| POTASSIUM VOLTAGE-GATED CHANNEL SUBFAMILY H MEMBER 4 | JY516K3G84 | protein |
| POTASSIUM VOLTAGE-GATED CHANNEL SUBFAMILY H MEMBER 5 | PXL5BG8O0Z | protein |
| POTASSIUM VOLTAGE-GATED CHANNEL SUBFAMILY H MEMBER 6 | CSYP6ICMLY | protein |
| POTASSIUM VOLTAGE-GATED CHANNEL SUBFAMILY H MEMBER 7 | QYU2D0ZF4F | protein |
| POTASSIUM VOLTAGE-GATED CHANNEL SUBFAMILY H MEMBER 8 | 463YDN3MFF | protein |
| POTASSIUM VOLTAGE-GATED CHANNEL SUBFAMILY KQT MEMBER 1 | 4A51HLC6W0 | protein |
| POTASSIUM VOLTAGE-GATED CHANNEL SUBFAMILY KQT MEMBER 2 | AA2Z98NJT1 | protein |
| POTASSIUM VOLTAGE-GATED CHANNEL SUBFAMILY KQT MEMBER 3 | RK3C89X3X4 | protein |
| POTASSIUM VOLTAGE-GATED CHANNEL SUBFAMILY KQT MEMBER 4 | U7UL0V52Q8 | protein |
| POTASSIUM VOLTAGE-GATED CHANNEL SUBFAMILY KQT MEMBER 5 | 6CE9OVX8G9 | protein |
| POTASSIUM VOLTAGE-GATED CHANNEL SUBFAMILY S MEMBER 1 | M66O8TS7J5 | protein |
| POTASSIUM VOLTAGE-GATED CHANNEL SUBFAMILY V MEMBER 1 | OP7L9N72S2 | protein |
| POTASSIUM VOLTAGE-GATED CHANNEL SUBFAMILY V MEMBER 2 | WVC7J83L4T | protein |
| POTASSIUM XYLENESULFONATE | F8K3A45YA1 | mixture |
| POTASSIUM ZINC CHROMATE (2:1:2) | 5J8GQM0794 | chemical |
| POTASSIUM ZINC CHROMATE (4:1:3) | 2PH02A5784 | chemical |
| POTASSIUM ZINC SULFATE | JMU764ZVEO | chemical |
| POTASSIUM ZINC SULFATE HEXAHYDRATE | 9UC7920L1J | chemical |
| POTASSIUM ZIRCONIUM SULFATE | 56VY68111L | chemical |
| POTASSIUM-TRANSPORTING ATPASE ALPHA CHAIN 1 | E2UJ1FS3EI | protein |
| POTASSIUM-TRANSPORTING ATPASE ALPHA CHAIN 2 | AV0SDZ5QDH | protein |
| POTASSIUM-TRANSPORTING ATPASE SUBUNIT BETA | P4K2NXA5CQ | protein |