| IPR037271 | Photosystem II PsbI superfamily | Homologous Superfamily |
| IPR003686 | Photosystem II PsbI | Family |
| IPR036863 | Photosystem II reaction centre protein H superfamily | Homologous Superfamily |
| IPR001056 | Photosystem II reaction centre protein H | Family |
| G [auth F] | IPR006241 | Photosystem II cytochrome b559, beta subunit | Family |
| G [auth F] | IPR013081 | Photosystem II cytochrome b559, N-terminal | Domain |
| G [auth F] | IPR006216 | Photosystem II cytochrome b559, conserved site | Conserved Site |
| F [auth E] | IPR013081 | Photosystem II cytochrome b559, N-terminal | Domain |
| F [auth E] | IPR006217 | Photosystem II cytochrome b559, alpha subunit | Family |
| F [auth E] | IPR013082 | Photosystem II cytochrome b559, alpha subunit, lumenal region | Domain |
| F [auth E] | IPR037025 | Photosystem II cytochrome b559, alpha subunit superfamily | Homologous Superfamily |
| F [auth E] | IPR006216 | Photosystem II cytochrome b559, conserved site | Conserved Site |
| E [auth D] | IPR005868 | Photosystem II D2 | Family |
| E [auth D] | IPR036854 | Photosystem II protein D1/D2 superfamily | Homologous Superfamily |
| E [auth D] | IPR000484 | Photosynthetic reaction centre, L/M | Family |
| E [auth D] | IPR055265 | Photosynthetic reaction centre, L/M, conserved site | Conserved Site |
| E [auth D] | IPR055266 | Photosystem II protein D1/D2 | Family |
| D [auth C] | IPR036001 | Photosystem antenna protein-like superfamily | Homologous Superfamily |
| D [auth C] | IPR000932 | Photosystem antenna protein-like | Family |
| D [auth C] | IPR005869 | Photosystem II CP43 reaction centre protein | Family |
| D [auth C] | IPR044900 | Photosystem II CP43 reaction centre protein superfamily | Homologous Superfamily |
| C [auth V] | IPR010284 | Photosystem II reaction center protein Ycf12 | Family |
| IPR036001 | Photosystem antenna protein-like superfamily | Homologous Superfamily |
| IPR000932 | Photosystem antenna protein-like | Family |
| IPR017486 | Photosystem II CP47 reaction centre protein | Family |
| S [auth Z] | IPR036512 | Photosystem II PsbZ superfamily | Homologous Superfamily |
| S [auth Z] | IPR002644 | Photosystem II PsbZ, reaction centre | Family |
| R [auth X] | IPR009518 | Photosystem II PsbX | Family |
| Q [auth W] | IPR009806 | Photosystem II PsbW, class 2 | Family |
| P [auth T] | IPR001743 | Photosystem II PsbT | Family |
| P [auth T] | IPR037268 | Photosystem II PsbT superfamily | Homologous Superfamily |
| O [auth P] | IPR002683 | PsbP, C-terminal | Domain |
| O [auth P] | IPR016123 | Mog1/PsbP, alpha/beta/alpha sandwich | Homologous Superfamily |
| N [auth O] | IPR011250 | Outer membrane protein/outer membrane enzyme PagP, beta-barrel | Homologous Superfamily |
| N [auth O] | IPR002628 | Photosystem II extrinsic protein O | Family |
| IPR007826 | Photosystem II PsbM | Family |
| IPR037269 | Photosystem II PsbM superfamily | Homologous Superfamily |
| IPR003372 | Photosystem II PsbL | Family |
| IPR037266 | Photosystem II PsbL superfamily | Homologous Superfamily |
| IPR037270 | Photosystem II PsbK superfamily | Homologous Superfamily |
| IPR003687 | Photosystem II PsbK | Family |
| IPR002682 | Photosystem II PsbJ | Family |
| IPR037267 | Photosystem II PsbJ superfamily | Homologous Superfamily |
| IPR036854 | Photosystem II protein D1/D2 superfamily | Homologous Superfamily |
| IPR005867 | Photosystem II protein D1 | Family |
| IPR000484 | Photosynthetic reaction centre, L/M | Family |
| IPR055265 | Photosynthetic reaction centre, L/M, conserved site | Conserved Site |
| IPR055266 | Photosystem II protein D1/D2 | Family |