eF-site ID 4tnj-d PDB Code 4tnj Chain d click to enlarge Title RT XFEL structure of Photosystem II 500 ms after the 2nd illumination (2F) at 4.5 A resolution Classification ELECTRON TRANSPORT,PHOTOSYNTHESIS Compound Photosystem Q(B) protein 1 Source ORGANISM_SCIENTIFIC: Thermosynechococcus elongatus; Sequence d:  GWFDILDDWLKRDRFVFVGWSGILLFPCAYLALGGWLTGT TFVTSWYTHGLASSYLEGCNFLTVAVSTPANSMGHSLLLL WGPEAQGDFTRWCQLGGLWTFIALHGAFGLIGFMLRQFEI ARLVGVRPYNAIAFSAPIAVFVSVFLIYPLGQSSWFFAPS FGVAAIFRFLLFFQGFHNWTLNPFHMMGVAGVLGGALLCA IHGATVENTLFQDGEGASTFRAFNPTQAEETYSMVTANRF WSQIFGIAFSNKRWLHFFMLFVPVTGLWMSAIGVVGLALN LRSYDFISQEIRAAEDPEFETFYTKNLLLNEGIRAWMAPQ DQPHENFVFPEEVLPRGNAL Description Functional site 1) chain d residue 304 type sequence R description binding site for residue LMG a 402 source : AM5 2) chain d residue 214 type sequence H description binding site for residue FE2 a 403 source : AM6 3) chain d residue 268 type sequence H description binding site for residue FE2 a 403 source : AM6 4) chain d residue 182 type sequence L description binding site for residue CLA a 404 source : AM7 5) chain d residue 205 type sequence L description binding site for residue CLA a 404 source : AM7 6) chain d residue 198 type sequence M description binding site for residue CLA a 405 source : AM8 7) chain d residue 201 type sequence V description binding site for residue CLA a 405 source : AM8 8) chain d residue 157 type sequence F description binding site for residue CLA a 406 source : AM9 9) chain d residue 175 type sequence V description binding site for residue CLA a 406 source : AM9 10) chain d residue 178 type sequence I description binding site for residue CLA a 406 source : AM9 11) chain d residue 179 type sequence F description binding site for residue CLA a 406 source : AM9 12) chain d residue 181 type sequence F description binding site for residue CLA a 406 source : AM9 13) chain d residue 182 type sequence L description binding site for residue CLA a 406 source : AM9 14) chain d residue 41 type sequence A description binding site for residue PHO a 407 source : AN1 15) chain d residue 48 type sequence W description binding site for residue PHO a 407 source : AN1 16) chain d residue 118 type sequence G description binding site for residue PHO a 407 source : AN1 17) chain d residue 122 type sequence L description binding site for residue PHO a 407 source : AN1 18) chain d residue 125 type sequence F description binding site for residue PHO a 407 source : AN1 19) chain d residue 129 type sequence Q description binding site for residue PHO a 407 source : AN1 20) chain d residue 142 type sequence N description binding site for residue PHO a 407 source : AN1 21) chain d residue 145 type sequence A description binding site for residue PHO a 407 source : AN1 22) chain d residue 146 type sequence F description binding site for residue PHO a 407 source : AN1 23) chain d residue 148 type sequence A description binding site for residue PHO a 407 source : AN1 24) chain d residue 153 type sequence F description binding site for residue PHO a 407 source : AN1 25) chain d residue 173 type sequence F description binding site for residue PHO a 407 source : AN1 26) chain d residue 275 type sequence P description binding site for residue PHO a 407 source : AN1 27) chain d residue 279 type sequence L description binding site for residue PHO a 407 source : AN1 28) chain d residue 38 type sequence F description binding site for residue PL9 a 409 source : AN3 29) chain d residue 41 type sequence A description binding site for residue PL9 a 409 source : AN3 30) chain d residue 42 type sequence Y description binding site for residue PL9 a 409 source : AN3 31) chain d residue 220 type sequence N description binding site for residue LHG a 412 source : AN6 32) chain d residue 229 type sequence A description binding site for residue LHG a 412 source : AN6 33) chain d residue 230 type sequence S description binding site for residue LHG a 412 source : AN6 34) chain d residue 231 type sequence T description binding site for residue LHG a 412 source : AN6 35) chain d residue 232 type sequence F description binding site for residue LHG a 412 source : AN6 36) chain d residue 266 type sequence W description binding site for residue LMG a 413 source : AN7 37) chain d residue 269 type sequence F description binding site for residue LMG a 413 source : AN7 38) chain d residue 273 type sequence F description binding site for residue LMG a 413 source : AN7 39) chain d residue 232 type sequence F description binding site for residue SQD a 415 source : AN9 40) chain d residue 233 type sequence R description binding site for residue SQD a 415 source : AN9 41) chain d residue 317 type sequence K description binding site for residue CL a 416 source : AO1 42) chain d residue 281 type sequence M description binding site for residue CLA b 610 source : AP2 43) chain d residue 120 type sequence F description binding site for residue CLA b 611 source : AP3 44) chain d residue 123 type sequence I description binding site for residue CLA b 611 source : AP3 45) chain d residue 126 type sequence M description binding site for residue CLA b 611 source : AP3 46) chain d residue 127 type sequence L description binding site for residue CLA b 611 source : AP3 47) chain d residue 130 type sequence F description binding site for residue CLA b 611 source : AP3 48) chain d residue 87 type sequence H description binding site for residue DGD b 624 source : AQ7 49) chain d residue 162 type sequence L description binding site for residue DGD b 624 source : AQ7 50) chain d residue 284 type sequence I description binding site for residue LMG b 625 source : AQ8 51) chain d residue 16 type sequence D description binding site for residue LMT b 627 source : AR1 52) chain d residue 19 type sequence D description binding site for residue LMT b 627 source : AR1 53) chain d residue 139 type sequence R description binding site for residue LMG b 628 source : AR2 54) chain d residue 141 type sequence Y description binding site for residue LMG b 628 source : AR2 55) chain d residue 269 type sequence F description binding site for residue LMG b 628 source : AR2 56) chain d residue 205 type sequence L description binding site for residue PHO d 401 source : AT7 57) chain d residue 208 type sequence A description binding site for residue PHO d 401 source : AT7 58) chain d residue 209 type sequence L description binding site for residue PHO d 401 source : AT7 59) chain d residue 213 type sequence I description binding site for residue PHO d 401 source : AT7 60) chain d residue 253 type sequence W description binding site for residue PHO d 401 source : AT7 61) chain d residue 257 type sequence F description binding site for residue PHO d 401 source : AT7 62) chain d residue 23 type sequence K description binding site for residue SQD d 402 source : AT8 63) chain d residue 32 type sequence W description binding site for residue SQD d 402 source : AT8 64) chain d residue 134 type sequence R description binding site for residue SQD d 402 source : AT8 65) chain d residue 135 type sequence L description binding site for residue SQD d 402 source : AT8 66) chain d residue 244 type sequence Y description binding site for residue BCT d 403 source : AT9 67) chain d residue 264 type sequence K description binding site for residue BCT d 403 source : AT9 68) chain d residue 268 type sequence H description binding site for residue BCT d 403 source : AT9 69) chain d residue 48 type sequence W description binding site for residue CLA d 404 source : AU1 70) chain d residue 152 type sequence V description binding site for residue CLA d 404 source : AU1 71) chain d residue 153 type sequence F description binding site for residue CLA d 404 source : AU1 72) chain d residue 156 type sequence V description binding site for residue CLA d 404 source : AU1 73) chain d residue 182 type sequence L description binding site for residue CLA d 404 source : AU1 74) chain d residue 185 type sequence F description binding site for residue CLA d 404 source : AU1 75) chain d residue 186 type sequence Q description binding site for residue CLA d 404 source : AU1 76) chain d residue 191 type sequence W description binding site for residue CLA d 404 source : AU1 77) chain d residue 192 type sequence T description binding site for residue CLA d 404 source : AU1 78) chain d residue 197 type sequence H description binding site for residue CLA d 404 source : AU1 79) chain d residue 200 type sequence G description binding site for residue CLA d 404 source : AU1 80) chain d residue 201 type sequence V description binding site for residue CLA d 404 source : AU1 81) chain d residue 204 type sequence V description binding site for residue CLA d 404 source : AU1 82) chain d residue 279 type sequence L description binding site for residue CLA d 404 source : AU1 83) chain d residue 282 type sequence S description binding site for residue CLA d 404 source : AU1 84) chain d residue 283 type sequence A description binding site for residue CLA d 404 source : AU1 85) chain d residue 286 type sequence V description binding site for residue CLA d 404 source : AU1 86) chain d residue 43 type sequence L description binding site for residue CLA d 405 source : AU2 87) chain d residue 89 type sequence L description binding site for residue CLA d 405 source : AU2 88) chain d residue 90 type sequence L description binding site for residue CLA d 405 source : AU2 89) chain d residue 91 type sequence L description binding site for residue CLA d 405 source : AU2 90) chain d residue 92 type sequence L description binding site for residue CLA d 405 source : AU2 91) chain d residue 93 type sequence W description binding site for residue CLA d 405 source : AU2 92) chain d residue 112 type sequence T description binding site for residue CLA d 405 source : AU2 93) chain d residue 113 type sequence F description binding site for residue CLA d 405 source : AU2 94) chain d residue 117 type sequence H description binding site for residue CLA d 405 source : AU2 95) chain d residue 120 type sequence F description binding site for residue CLA d 405 source : AU2 96) chain d residue 199 type sequence M description binding site for residue PL9 d 406 source : AU3 97) chain d residue 214 type sequence H description binding site for residue PL9 d 406 source : AU3 98) chain d residue 217 type sequence T description binding site for residue PL9 d 406 source : AU3 99) chain d residue 253 type sequence W description binding site for residue PL9 d 406 source : AU3 100) chain d residue 259 type sequence I description binding site for residue PL9 d 406 source : AU3 101) chain d residue 260 type sequence A description binding site for residue PL9 d 406 source : AU3 102) chain d residue 261 type sequence F description binding site for residue PL9 d 406 source : AU3 103) chain d residue 267 type sequence L description binding site for residue PL9 d 406 source : AU3 104) chain d residue 273 type sequence F description binding site for residue PL9 d 406 source : AU3 105) chain d residue 274 type sequence V description binding site for residue PL9 d 406 source : AU3 106) chain d residue 257 type sequence F description binding site for residue LMG d 407 source : AU4 107) chain d residue 259 type sequence I description binding site for residue LMG d 407 source : AU4 108) chain d residue 260 type sequence A description binding site for residue LMG d 407 source : AU4 109) chain d residue 261 type sequence F description binding site for residue LMG d 407 source : AU4 110) chain d residue 262 type sequence S description binding site for residue LMG d 407 source : AU4 111) chain d residue 263 type sequence N description binding site for residue LMG d 407 source : AU4 112) chain d residue 266 type sequence W description binding site for residue LMG d 407 source : AU4 113) chain d residue 100 type sequence D description binding site for residue DGD d 408 source : AU5 114) chain d residue 101 type sequence F description binding site for residue DGD d 408 source : AU5 115) chain d residue 102 type sequence T description binding site for residue DGD d 408 source : AU5 116) chain d residue 92 type sequence L description binding site for residue LMT d 409 source : AU6 117) chain d residue 93 type sequence W description binding site for residue LMT d 409 source : AU6 118) chain d residue 99 type sequence G description binding site for residue LMT d 409 source : AU6 119) chain d residue 67 type sequence Y description binding site for residue LMG d 410 source : AU7 120) chain d residue 70 type sequence G description binding site for residue LMG d 410 source : AU7 121) chain d residue 72 type sequence N description binding site for residue LMG d 410 source : AU7 122) chain d residue 73 type sequence F description binding site for residue LMG d 410 source : AU7 123) chain d residue 27 type sequence F description binding site for residue LMG e 101 source : AU8 124) chain d residue 42 type sequence Y description binding site for residue BCR f 102 source : AV1 125) chain d residue 46 type sequence G description binding site for residue BCR f 102 source : AV1 126) chain d residue 47 type sequence G description binding site for residue BCR f 102 source : AV1 127) chain d residue 49 type sequence L description binding site for residue BCR f 102 source : AV1 128) chain d residue 50 type sequence T description binding site for residue BCR f 102 source : AV1 129) chain d residue 101 type sequence F description binding site for residue BCR f 102 source : AV1 130) chain d residue 21 type sequence W description binding site for residue SQD f 103 source : AV2 131) chain d residue 24 type sequence R description binding site for residue SQD f 103 source : AV2 132) chain d residue 26 type sequence R description binding site for residue SQD f 103 source : AV2 133) chain d residue 154 type sequence V description binding site for residue CLA h 101 source : AV3 134) chain d residue 261 type BINDING sequence F description BINDING => ECO:0000255|HAMAP-Rule:MF_01383, ECO:0000269|PubMed:16355230, ECO:0000269|PubMed:19219048, ECO:0000303|PubMed:14764885, ECO:0000303|PubMed:20558739, ECO:0000303|PubMed:21367867, ECO:0000303|PubMed:22665786, ECO:0000303|PubMed:23413188, ECO:0000303|PubMed:25006873, ECO:0000303|PubMed:25043005 source Swiss-Prot : SWS_FT_FI9 135) chain d residue 142 type BINDING sequence N description BINDING => ECO:0000255|HAMAP-Rule:MF_01383, ECO:0000269|PubMed:16355230, ECO:0000269|PubMed:19219048, ECO:0000303|PubMed:20558739, ECO:0000303|PubMed:21367867, ECO:0000303|PubMed:25043005 source Swiss-Prot : SWS_FT_FI6 136) chain d residue 197 type BINDING sequence H description axial binding residue => ECO:0000255|HAMAP-Rule:MF_01383, ECO:0000269|PubMed:16355230, ECO:0000269|PubMed:19219048, ECO:0000303|PubMed:14764885, ECO:0000303|PubMed:20558739, ECO:0000303|PubMed:21367867, ECO:0000303|PubMed:22665786, ECO:0000303|PubMed:23413188, ECO:0000303|PubMed:25043005, ECO:0000303|DOI:10.1039/B406989G source Swiss-Prot : SWS_FT_FI7 137) chain d residue 214 type BINDING sequence H description BINDING => ECO:0000255|HAMAP-Rule:MF_01383, ECO:0000269|PubMed:16355230, ECO:0000269|PubMed:19219048, ECO:0000303|PubMed:14764885, ECO:0000303|PubMed:20558739, ECO:0000303|PubMed:21367867, ECO:0000303|PubMed:22665786, ECO:0000303|PubMed:23413188, ECO:0000303|PubMed:25043005, ECO:0000303|DOI:10.1039/B406989G source Swiss-Prot : SWS_FT_FI8 138) chain d residue 268 type BINDING sequence H description BINDING => ECO:0000255|HAMAP-Rule:MF_01383, ECO:0000269|PubMed:16355230, ECO:0000269|PubMed:19219048, ECO:0000303|PubMed:14764885, ECO:0000303|PubMed:20558739, ECO:0000303|PubMed:21367867, ECO:0000303|PubMed:22665786, ECO:0000303|PubMed:23413188, ECO:0000303|PubMed:25006873, ECO:0000303|PubMed:25043005, ECO:0000303|DOI:10.1039/B406989G source Swiss-Prot : SWS_FT_FI10 139) chain d residue 132-140 type TOPO_DOM sequence IARLVGVRP description Lumenal source Swiss-Prot : SWS_FT_FI1 140) chain d residue 218-265 type TOPO_DOM sequence VENTLFQDGEGASTFRAFNPTQAEETYSMVTANRFWSQIF GIAFSNKR description Lumenal source Swiss-Prot : SWS_FT_FI1 141) chain d residue 32-53 type TRANSMEM sequence WSGILLFPCAYLALGGWLTGTT description Helical => ECO:0000269|PubMed:33846594, ECO:0007744|PDB:7NHQ source Swiss-Prot : SWS_FT_FI2 142) chain d residue 109-131 type TRANSMEM sequence GLWTFIALHGAFGLIGFMLRQFE description Helical => ECO:0000269|PubMed:33846594, ECO:0007744|PDB:7NHQ source Swiss-Prot : SWS_FT_FI2 143) chain d residue 141-160 type TRANSMEM sequence YNAIAFSAPIAVFVSVFLIY description Helical => ECO:0000269|PubMed:33846594, ECO:0007744|PDB:7NHQ source Swiss-Prot : SWS_FT_FI2 144) chain d residue 194-217 type TRANSMEM sequence NPFHMMGVAGVLGGALLCAIHGAT description Helical => ECO:0000269|PubMed:33846594, ECO:0007744|PDB:7NHQ source Swiss-Prot : SWS_FT_FI2 145) chain d residue 266-288 type TRANSMEM sequence WLHFFMLFVPVTGLWMSAIGVVG description Helical => ECO:0000269|PubMed:33846594, ECO:0007744|PDB:7NHQ source Swiss-Prot : SWS_FT_FI2 146) chain d residue 54-108 type TOPO_DOM sequence FVTSWYTHGLASSYLEGCNFLTVAVSTPANSMGHSLLLLW GPEAQGDFTRWCQLG description Cytoplasmic => ECO:0000269|PubMed:33846594, ECO:0007744|PDB:7NHQ source Swiss-Prot : SWS_FT_FI3 147) chain d residue 161-193 type TOPO_DOM sequence PLGQSSWFFAPSFGVAAIFRFLLFFQGFHNWTL description Cytoplasmic => ECO:0000269|PubMed:33846594, ECO:0007744|PDB:7NHQ source Swiss-Prot : SWS_FT_FI3 148) chain d residue 289-352 type TOPO_DOM sequence LALNLRSYDFISQEIRAAEDPEFETFYTKNLLLNEGIRAW MAPQDQPHENFVFPEEVLPRGNAL description Cytoplasmic => ECO:0000269|PubMed:33846594, ECO:0007744|PDB:7NHQ source Swiss-Prot : SWS_FT_FI3

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