Structure of PSII-FCP supercomplex from a centric diatom Chaetoceros gracilis at 3.02 angstrom resolution
Domain Annotation: SCOP2 Classification SCOP2 Database Homepage
| Chains | Type | Family Name | Domain Identifier | Family Identifier | Provenance Source (Version) |
|---|---|---|---|---|---|
| H | SCOP2B Superfamily | Photosystem II 10 kDa phosphoprotein PsbH | 8094731 | 3001547 | SCOP2B (2022-06-29) |
| GA [auth h] | SCOP2B Superfamily | Photosystem II 10 kDa phosphoprotein PsbH | 8094731 | 3001547 | SCOP2B (2022-06-29) |
| U [auth V] | SCOP2B Superfamily | Cytochrome c | 8094925 | 3000815 | SCOP2B (2022-06-29) |
| TA [auth v] | SCOP2 Family | Monodomain cytochrome c | 8094924 | 4000635 | SCOP2 (2022-06-29) |
| TA [auth v] | SCOP2 Superfamily | Cytochrome c | 8094925 | 3000815 | SCOP2 (2022-06-29) |
| T [auth U] | SCOP2B Superfamily | PsbU/PolX domain-like | 8094223 | 3000893 | SCOP2B (2022-06-29) |
| SA [auth u] | SCOP2B Superfamily | PsbU/PolX domain-like | 8094223 | 3000893 | SCOP2B (2022-06-29) |
| O | SCOP2B Superfamily | OMPA barrel-like | 8095677 | 3000208 | SCOP2B (2022-06-29) |
| NA [auth o] | SCOP2 Family | PsbO-like | 8095676 | 4002770 | SCOP2 (2022-06-29) |
| NA [auth o] | SCOP2 Superfamily | OMPA barrel-like | 8095677 | 3000208 | SCOP2 (2022-06-29) |
Domain Annotation: ECOD Classification ECOD Database Homepage
| Chains | Family Name | Domain Identifier | Architecture | Possible Homology | Homology | Topology | Family | Provenance Source (Version) |
|---|---|---|---|---|---|---|---|---|
| I | PsbI | e6jluI1 | A: extended segments | X: Photosystem II reaction center protein I, PsbI (From Topology) | H: Photosystem II reaction center protein I, PsbI (From Topology) | T: Photosystem II reaction center protein I, PsbI | F: PsbI | ECOD (1.6) |
| HA [auth i] | PsbI | e6jlui1 | A: extended segments | X: Photosystem II reaction center protein I, PsbI (From Topology) | H: Photosystem II reaction center protein I, PsbI (From Topology) | T: Photosystem II reaction center protein I, PsbI | F: PsbI | ECOD (1.6) |
| H | PsbH | e6jluH1 | A: extended segments | X: Photosystem II 10 kDa phosphoprotein PsbH (From Topology) | H: Photosystem II 10 kDa phosphoprotein PsbH (From Topology) | T: Photosystem II 10 kDa phosphoprotein PsbH | F: PsbH | ECOD (1.6) |
| GA [auth h] | PsbH | e6jluh1 | A: extended segments | X: Photosystem II 10 kDa phosphoprotein PsbH (From Topology) | H: Photosystem II 10 kDa phosphoprotein PsbH (From Topology) | T: Photosystem II 10 kDa phosphoprotein PsbH | F: PsbH | ECOD (1.6) |
| G | EUF08111 | e6jluG1 | A: alpha bundles | X: Four-helical up-and-down bundle | H: Oxygen-evolving enhancer protein 3 (From Topology) | T: Oxygen-evolving enhancer protein 3 | F: EUF08111 | ECOD (1.6) |
| FA [auth g] | EUF08111 | e6jlug1 | A: alpha bundles | X: Four-helical up-and-down bundle | H: Oxygen-evolving enhancer protein 3 (From Topology) | T: Oxygen-evolving enhancer protein 3 | F: EUF08111 | ECOD (1.6) |
| F | Cytochrom_B559 | e6jluF1 | A: extended segments | X: Cytochrome b559 subunits (From Topology) | H: Cytochrome b559 subunits (From Topology) | T: Cytochrome b559 subunits | F: Cytochrom_B559 | ECOD (1.6) |
| EA [auth f] | Cytochrom_B559 | e6jluf1 | A: extended segments | X: Cytochrome b559 subunits (From Topology) | H: Cytochrome b559 subunits (From Topology) | T: Cytochrome b559 subunits | F: Cytochrom_B559 | ECOD (1.6) |
| E | Cytochrom_B559a | e6jluE1 | A: extended segments | X: Cytochrome b559 subunits (From Topology) | H: Cytochrome b559 subunits (From Topology) | T: Cytochrome b559 subunits | F: Cytochrom_B559a | ECOD (1.6) |
| DA [auth e] | Cytochrom_B559a | e6jlue1 | A: extended segments | X: Cytochrome b559 subunits (From Topology) | H: Cytochrome b559 subunits (From Topology) | T: Cytochrome b559 subunits | F: Cytochrom_B559a | ECOD (1.6) |
| D | Photo_RC | e6jluD1 | A: alpha bundles | X: Bacterial photosystem II reaction centre L and M subunits-like (From Topology) | H: Bacterial photosystem II reaction centre L and M subunits-like (From Topology) | T: Bacterial photosystem II reaction centre L and M subunits-like | F: Photo_RC | ECOD (1.6) |
| CA [auth d] | Photo_RC | e6jlud1 | A: alpha bundles | X: Bacterial photosystem II reaction centre L and M subunits-like (From Topology) | H: Bacterial photosystem II reaction centre L and M subunits-like (From Topology) | T: Bacterial photosystem II reaction centre L and M subunits-like | F: Photo_RC | ECOD (1.6) |
| C | PSII_1st | e6jluC1 | A: alpha bundles | X: Photosystem II antenna protein-like (From Topology) | H: Photosystem II antenna protein-like (From Topology) | T: Photosystem II antenna protein-like | F: PSII_1st | ECOD (1.6) |
| BA [auth c] | PSII_1st | e6jluc1 | A: alpha bundles | X: Photosystem II antenna protein-like (From Topology) | H: Photosystem II antenna protein-like (From Topology) | T: Photosystem II antenna protein-like | F: PSII_1st | ECOD (1.6) |
| RB [auth 19] | Chloroa_b-bind | e6jlu191 | A: extended segments | X: Chlorophyll a-b binding protein (From Topology) | H: Chlorophyll a-b binding protein (From Topology) | T: Chlorophyll a-b binding protein | F: Chloroa_b-bind | ECOD (1.6) |
| HB [auth 9] | Chloroa_b-bind | e6jlu91 | A: extended segments | X: Chlorophyll a-b binding protein (From Topology) | H: Chlorophyll a-b binding protein (From Topology) | T: Chlorophyll a-b binding protein | F: Chloroa_b-bind | ECOD (1.6) |
| ZA [auth 1] | Chloroa_b-bind | e6jlu11 | A: extended segments | X: Chlorophyll a-b binding protein (From Topology) | H: Chlorophyll a-b binding protein (From Topology) | T: Chlorophyll a-b binding protein | F: Chloroa_b-bind | ECOD (1.6) |
| QB [auth 18] | Chloroa_b-bind | e6jlu181 | A: extended segments | X: Chlorophyll a-b binding protein (From Topology) | H: Chlorophyll a-b binding protein (From Topology) | T: Chlorophyll a-b binding protein | F: Chloroa_b-bind | ECOD (1.6) |
| PB [auth 17] | Chloroa_b-bind | e6jlu171 | A: extended segments | X: Chlorophyll a-b binding protein (From Topology) | H: Chlorophyll a-b binding protein (From Topology) | T: Chlorophyll a-b binding protein | F: Chloroa_b-bind | ECOD (1.6) |
| OB [auth 16] | Chloroa_b-bind | e6jlu161 | A: extended segments | X: Chlorophyll a-b binding protein (From Topology) | H: Chlorophyll a-b binding protein (From Topology) | T: Chlorophyll a-b binding protein | F: Chloroa_b-bind | ECOD (1.6) |
| NB [auth 15] | Chloroa_b-bind | e6jlu151 | A: extended segments | X: Chlorophyll a-b binding protein (From Topology) | H: Chlorophyll a-b binding protein (From Topology) | T: Chlorophyll a-b binding protein | F: Chloroa_b-bind | ECOD (1.6) |
| MB [auth 14] | Chloroa_b-bind | e6jlu141 | A: extended segments | X: Chlorophyll a-b binding protein (From Topology) | H: Chlorophyll a-b binding protein (From Topology) | T: Chlorophyll a-b binding protein | F: Chloroa_b-bind | ECOD (1.6) |
| LB [auth 13] | Chloroa_b-bind | e6jlu131 | A: extended segments | X: Chlorophyll a-b binding protein (From Topology) | H: Chlorophyll a-b binding protein (From Topology) | T: Chlorophyll a-b binding protein | F: Chloroa_b-bind | ECOD (1.6) |
| KB [auth 12] | Chloroa_b-bind | e6jlu121 | A: extended segments | X: Chlorophyll a-b binding protein (From Topology) | H: Chlorophyll a-b binding protein (From Topology) | T: Chlorophyll a-b binding protein | F: Chloroa_b-bind | ECOD (1.6) |
| JB [auth 11] | Chloroa_b-bind | e6jlu111 | A: extended segments | X: Chlorophyll a-b binding protein (From Topology) | H: Chlorophyll a-b binding protein (From Topology) | T: Chlorophyll a-b binding protein | F: Chloroa_b-bind | ECOD (1.6) |
| GB [auth 8] | Chloroa_b-bind | e6jlu81 | A: extended segments | X: Chlorophyll a-b binding protein (From Topology) | H: Chlorophyll a-b binding protein (From Topology) | T: Chlorophyll a-b binding protein | F: Chloroa_b-bind | ECOD (1.6) |
| FB [auth 7] | Chloroa_b-bind | e6jlu71 | A: extended segments | X: Chlorophyll a-b binding protein (From Topology) | H: Chlorophyll a-b binding protein (From Topology) | T: Chlorophyll a-b binding protein | F: Chloroa_b-bind | ECOD (1.6) |
| EB [auth 6] | Chloroa_b-bind | e6jlu61 | A: extended segments | X: Chlorophyll a-b binding protein (From Topology) | H: Chlorophyll a-b binding protein (From Topology) | T: Chlorophyll a-b binding protein | F: Chloroa_b-bind | ECOD (1.6) |
| DB [auth 5] | Chloroa_b-bind | e6jlu51 | A: extended segments | X: Chlorophyll a-b binding protein (From Topology) | H: Chlorophyll a-b binding protein (From Topology) | T: Chlorophyll a-b binding protein | F: Chloroa_b-bind | ECOD (1.6) |
| CB [auth 4] | Chloroa_b-bind | e6jlu41 | A: extended segments | X: Chlorophyll a-b binding protein (From Topology) | H: Chlorophyll a-b binding protein (From Topology) | T: Chlorophyll a-b binding protein | F: Chloroa_b-bind | ECOD (1.6) |
| BB [auth 3] | Chloroa_b-bind | e6jlu31 | A: extended segments | X: Chlorophyll a-b binding protein (From Topology) | H: Chlorophyll a-b binding protein (From Topology) | T: Chlorophyll a-b binding protein | F: Chloroa_b-bind | ECOD (1.6) |
| AB [auth 2] | Chloroa_b-bind | e6jlu21 | A: extended segments | X: Chlorophyll a-b binding protein (From Topology) | H: Chlorophyll a-b binding protein (From Topology) | T: Chlorophyll a-b binding protein | F: Chloroa_b-bind | ECOD (1.6) |
| YA [auth 0] | Chloroa_b-bind | e6jlu01 | A: extended segments | X: Chlorophyll a-b binding protein (From Topology) | H: Chlorophyll a-b binding protein (From Topology) | T: Chlorophyll a-b binding protein | F: Chloroa_b-bind | ECOD (1.6) |
| IB [auth 10] | Chloroa_b-bind | e6jlu101 | A: extended segments | X: Chlorophyll a-b binding protein (From Topology) | H: Chlorophyll a-b binding protein (From Topology) | T: Chlorophyll a-b binding protein | F: Chloroa_b-bind | ECOD (1.6) |
| Y [auth Z] | Ycf9 | e6jluZ1 | A: extended segments | X: PsbZ-like (From Topology) | H: PsbZ-like (From Topology) | T: PsbZ-like | F: Ycf9 | ECOD (1.6) |
| XA [auth z] | Ycf9 | e6jluz1 | A: extended segments | X: PsbZ-like (From Topology) | H: PsbZ-like (From Topology) | T: PsbZ-like | F: Ycf9 | ECOD (1.6) |
| X [auth Y] | PsbY | e6jluY1 | A: extended segments | X: Photosystem II protein Y, psbY (From Topology) | H: Photosystem II protein Y, psbY (From Topology) | T: Photosystem II protein Y, psbY | F: PsbY | ECOD (1.6) |
| WA [auth y] | PsbY | e6jluy1 | A: extended segments | X: Photosystem II protein Y, psbY (From Topology) | H: Photosystem II protein Y, psbY (From Topology) | T: Photosystem II protein Y, psbY | F: PsbY | ECOD (1.6) |
| W [auth X] | PsbX | e6jluX1 | A: extended segments | X: Photosystem II PsbX protein (From Topology) | H: Photosystem II PsbX protein (From Topology) | T: Photosystem II PsbX protein | F: PsbX | ECOD (1.6) |
| VA [auth x] | PsbX | e6jlux1 | A: extended segments | X: Photosystem II PsbX protein (From Topology) | H: Photosystem II PsbX protein (From Topology) | T: Photosystem II PsbX protein | F: PsbX | ECOD (1.6) |
| U [auth V] | Cytochrom_C550 | e6jluV1 | A: alpha arrays | X: Cytochrome c-like | H: Cytochrome c (From Topology) | T: Cytochrome c | F: Cytochrom_C550 | ECOD (1.6) |
| TA [auth v] | Cytochrom_C550 | e6jluv1 | A: alpha arrays | X: Cytochrome c-like | H: Cytochrome c (From Topology) | T: Cytochrome c | F: Cytochrom_C550 | ECOD (1.6) |
| T [auth U] | PsbU | e6jluU1 | A: alpha arrays | X: HhH/H2TH | H: SAM/DNA-glycosylase | T: SAM domain-like | F: PsbU | ECOD (1.6) |
| SA [auth u] | PsbU | e6jluu1 | A: alpha arrays | X: HhH/H2TH | H: SAM/DNA-glycosylase | T: SAM domain-like | F: PsbU | ECOD (1.6) |
| B | PSII_1st | e6jluB1 | A: alpha bundles | X: Photosystem II antenna protein-like (From Topology) | H: Photosystem II antenna protein-like (From Topology) | T: Photosystem II antenna protein-like | F: PSII_1st | ECOD (1.6) |
| B | PSII_2nd | e6jluB2 | A: a+b two layers | X: Photosystem II antenna protein PsbB insertion domain (From Topology) | H: Photosystem II antenna protein PsbB insertion domain (From Topology) | T: Photosystem II antenna protein PsbB insertion domain | F: PSII_2nd | ECOD (1.6) |
| AA [auth b] | PSII_1st | e6jlub1 | A: alpha bundles | X: Photosystem II antenna protein-like (From Topology) | H: Photosystem II antenna protein-like (From Topology) | T: Photosystem II antenna protein-like | F: PSII_1st | ECOD (1.6) |
| AA [auth b] | PSII_2nd | e6jlub2 | A: a+b two layers | X: Photosystem II antenna protein PsbB insertion domain (From Topology) | H: Photosystem II antenna protein PsbB insertion domain (From Topology) | T: Photosystem II antenna protein PsbB insertion domain | F: PSII_2nd | ECOD (1.6) |
| S [auth T] | PsbT | e6jluT1 | A: extended segments | X: Photosystem II reaction center protein T, PsbT (From Topology) | H: Photosystem II reaction center protein T, PsbT (From Topology) | T: Photosystem II reaction center protein T, PsbT | F: PsbT | ECOD (1.6) |
| RA [auth t] | PsbT | e6jlut1 | A: extended segments | X: Photosystem II reaction center protein T, PsbT (From Topology) | H: Photosystem II reaction center protein T, PsbT (From Topology) | T: Photosystem II reaction center protein T, PsbT | F: PsbT | ECOD (1.6) |
| Q | PsbQ_1 | e6jluQ1 | A: alpha bundles | X: Four-helical up-and-down bundle | H: Oxygen-evolving enhancer protein 3 (From Topology) | T: Oxygen-evolving enhancer protein 3 | F: PsbQ_1 | ECOD (1.6) |
| PA [auth q] | PsbQ_1 | e6jluq1 | A: alpha bundles | X: Four-helical up-and-down bundle | H: Oxygen-evolving enhancer protein 3 (From Topology) | T: Oxygen-evolving enhancer protein 3 | F: PsbQ_1 | ECOD (1.6) |
| P | Chloroa_b-bind | e6jluP1 | A: extended segments | X: Chlorophyll a-b binding protein (From Topology) | H: Chlorophyll a-b binding protein (From Topology) | T: Chlorophyll a-b binding protein | F: Chloroa_b-bind | ECOD (1.6) |
| OA [auth p] | Chloroa_b-bind | e6jlup1 | A: extended segments | X: Chlorophyll a-b binding protein (From Topology) | H: Chlorophyll a-b binding protein (From Topology) | T: Chlorophyll a-b binding protein | F: Chloroa_b-bind | ECOD (1.6) |
| O | MSP | e6jluO1 | A: beta barrels | X: Outer membrane meander beta-barrels | H: OMPA-like (From Topology) | T: OMPA-like | F: MSP | ECOD (1.6) |
| NA [auth o] | MSP | e6jluo1 | A: beta barrels | X: Outer membrane meander beta-barrels | H: OMPA-like (From Topology) | T: OMPA-like | F: MSP | ECOD (1.6) |
| M | PsbM | e6jluM1 | A: extended segments | X: Photosystem II reaction center protein M, PsbM (From Topology) | H: Photosystem II reaction center protein M, PsbM (From Topology) | T: Photosystem II reaction center protein M, PsbM | F: PsbM | ECOD (1.6) |
| LA [auth m] | PsbM | e6jlum1 | A: extended segments | X: Photosystem II reaction center protein M, PsbM (From Topology) | H: Photosystem II reaction center protein M, PsbM (From Topology) | T: Photosystem II reaction center protein M, PsbM | F: PsbM | ECOD (1.6) |
| L | PsbL | e6jluL1 | A: extended segments | X: Photosystem II reaction center protein L, PsbL (From Topology) | H: Photosystem II reaction center protein L, PsbL (From Topology) | T: Photosystem II reaction center protein L, PsbL | F: PsbL | ECOD (1.6) |
| KA [auth l] | PsbL | e6jlul1 | A: extended segments | X: Photosystem II reaction center protein L, PsbL (From Topology) | H: Photosystem II reaction center protein L, PsbL (From Topology) | T: Photosystem II reaction center protein L, PsbL | F: PsbL | ECOD (1.6) |
| K | PsbK | e6jluK1 | A: extended segments | X: Photosystem II reaction center protein K, PsbK (From Topology) | H: Photosystem II reaction center protein K, PsbK (From Topology) | T: Photosystem II reaction center protein K, PsbK | F: PsbK | ECOD (1.6) |
| JA [auth k] | PsbK | e6jluk1 | A: extended segments | X: Photosystem II reaction center protein K, PsbK (From Topology) | H: Photosystem II reaction center protein K, PsbK (From Topology) | T: Photosystem II reaction center protein K, PsbK | F: PsbK | ECOD (1.6) |
| J | PsbJ | e6jluJ1 | A: extended segments | X: Photosystem II reaction center protein J, PsbJ (From Topology) | H: Photosystem II reaction center protein J, PsbJ (From Topology) | T: Photosystem II reaction center protein J, PsbJ | F: PsbJ | ECOD (1.6) |
| IA [auth j] | PsbJ | e6jluj1 | A: extended segments | X: Photosystem II reaction center protein J, PsbJ (From Topology) | H: Photosystem II reaction center protein J, PsbJ (From Topology) | T: Photosystem II reaction center protein J, PsbJ | F: PsbJ | ECOD (1.6) |
| Z [auth a] | Photo_RC | e6jlua1 | A: alpha bundles | X: Bacterial photosystem II reaction centre L and M subunits-like (From Topology) | H: Bacterial photosystem II reaction centre L and M subunits-like (From Topology) | T: Bacterial photosystem II reaction centre L and M subunits-like | F: Photo_RC | ECOD (1.6) |
| A | Photo_RC | e6jluA1 | A: alpha bundles | X: Bacterial photosystem II reaction centre L and M subunits-like (From Topology) | H: Bacterial photosystem II reaction centre L and M subunits-like (From Topology) | T: Bacterial photosystem II reaction centre L and M subunits-like | F: Photo_RC | ECOD (1.6) |
Protein Family Annotation Pfam Database Homepage
| Chains | Accession | Name | Description | Comments | Source |
|---|---|---|---|---|---|
| GA [auth h], H | PF00737 | Photosystem II 10 kDa phosphoprotein (PsbH) | Photosystem II 10 kDa phosphoprotein | - | Family |
| VA [auth x], W [auth X] | PF06596 | Photosystem II reaction centre X protein (PsbX) (PsbX) | Photosystem II reaction centre X protein (PsbX) | - | Family |
| TA [auth v], U [auth V] | PF14495 | Cytochrome c-550 domain (Cytochrom_C550) | Cytochrome c-550 domain | This domain is a heme binding cytochrome known as cytochrome c550, or cytochrome c549, or PsbV [1]. | Domain |
| SA [auth u], T [auth U] | PF06514 | Photosystem II 12 kDa extrinsic protein (PsbU) (PsbU) | Photosystem II 12 kDa extrinsic protein (PsbU) | - | Family |
| NA [auth o], O | PF01716 | Manganese-stabilising protein / photosystem II polypeptide (MSP) | Manganese-stabilising protein / photosystem II polypeptide | - | Family |
Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage
InterPro: Protein Family Classification InterPro Database Homepage
Membrane Protein Annotation: OPM OPM Database Homepage
| Chains | External Link | Type | Class | Superfamily | Family |
|---|---|---|---|---|---|
| OPM | Transmembrane | Alpha-helical polytopic | Photosystems | Photosystem II |
Membrane Protein Annotation: mpstruc mpstruc Database Homepage
| Chains | Resource Link | Group | Subgroup | Protein |
|---|---|---|---|---|
| mpstruc | TRANSMEMBRANE PROTEINS: ALPHA-HELICAL | Photosystem+Light-Harvesting Complex Supercomplex | Photosystem II in complex with Light-Harvesting Complex |














