| I [auth C] | IPR017900 | 4Fe-4S ferredoxin, iron-sulphur binding, conserved site | Conserved Site |
| I [auth C] | IPR050157 | Photosystem I iron-sulfur center | Family |
| I [auth C] | IPR017896 | 4Fe-4S ferredoxin-type, iron-sulphur binding domain | Domain |
| I [auth C] | IPR017491 | Photosystem I protein PsaC | Family |
| H [auth B] | IPR036408 | Photosystem I PsaA/PsaB superfamily | Homologous Superfamily |
| H [auth B] | IPR001280 | Photosystem I PsaA/PsaB | Family |
| H [auth B] | IPR006244 | Photosystem I PsaB | Family |
| H [auth B] | IPR020586 | Photosystem I PsaA/PsaB, conserved site | Conserved Site |
| G [auth A] | IPR006243 | Photosystem I PsaA | Family |
| G [auth A] | IPR036408 | Photosystem I PsaA/PsaB superfamily | Homologous Superfamily |
| G [auth A] | IPR001280 | Photosystem I PsaA/PsaB | Family |
| G [auth A] | IPR020586 | Photosystem I PsaA/PsaB, conserved site | Conserved Site |
D [auth 7], T [auth c] | IPR001344 | Chlorophyll A-B binding protein, plant and chromista | Family |
D [auth 7], T [auth c] | IPR022796 | Chlorophyll A-B binding protein | Family |
| C [auth 3] | IPR001344 | Chlorophyll A-B binding protein, plant and chromista | Family |
| C [auth 3] | IPR022796 | Chlorophyll A-B binding protein | Family |
| W [auth T] | IPR001344 | Chlorophyll A-B binding protein, plant and chromista | Family |
| W [auth T] | IPR022796 | Chlorophyll A-B binding protein | Family |
| B [auth 2] | IPR001344 | Chlorophyll A-B binding protein, plant and chromista | Family |
| B [auth 2] | IPR022796 | Chlorophyll A-B binding protein | Family |
| O [auth J] | IPR002615 | Photosystem I PsaJ, reaction centre subunit IX | Family |
| O [auth J] | IPR036062 | Photosystem I PsaJ, reaction centre subunit IX superfamily | Homologous Superfamily |
| L [auth F] | IPR036577 | Photosystem I PsaF, reaction centre subunit III superfamily | Homologous Superfamily |
| L [auth F] | IPR003666 | Photosystem I PsaF, reaction centre subunit III | Family |
| K [auth E] | IPR008990 | Electron transport accessory-like domain superfamily | Homologous Superfamily |
| K [auth E] | IPR003375 | Photosystem I PsaE, reaction centre subunit IV | Family |
| J [auth D] | IPR003685 | Photosystem I PsaD | Family |
| J [auth D] | IPR036579 | Photosystem I, reaction centre subunit PsaD superfamily | Homologous Superfamily |
A [auth 1], R [auth a] | IPR001344 | Chlorophyll A-B binding protein, plant and chromista | Family |
A [auth 1], R [auth a] | IPR022796 | Chlorophyll A-B binding protein | Family |