eF-site ID 4tnk-a PDB Code 4tnk Chain a click to enlarge Title RT XFEL structure of Photosystem II 250 microsec after the third illumination at 5.2 A resolution Classification ELECTRON TRANSPORT,PHOTOSYNTHESIS Compound Photosystem Q(B) protein 1 Source ORGANISM_SCIENTIFIC: Thermosynechococcus elongatus; Sequence a:  SANLWERFCNWVTSTDNRLYVGWFGVIMIPTLLAATICFV IAFIAAPPVDIDGIREPVSGSLLYGNNIITGAVVPSSNAI GLHFYPIWEAASLDEWLYNGGPYQLIIFHFLLGASCYMGR QWELSYRLGMRPWICVAYSAPLASAFAVFLIYPIGQGSFS DGMPLGISGTFNFMIVFQAEHNILMHPFHQLGVAGVFGGA LFCAMHGSLVTSSLIRETTETESANYGYKFGQEEETYNIV AAHGYFGRLIFQYASFNNSRSLHFFLAAWPVVGVWFTALG ISTMAFNLNGFNFNHSVIDAKGNVINTWADIINRANLGME VMHERNAHNFPLDLA Description Functional site 1) chain a residue 46 type sequence I description binding site for residue DGD B 626 source : AG4 2) chain a residue 100 type sequence A description binding site for residue LMT B 628 source : AG6 3) chain a residue 20 type sequence W description binding site for residue SQD a 401 source : AM3 4) chain a residue 26 type sequence N description binding site for residue SQD a 401 source : AM3 5) chain a residue 27 type sequence R description binding site for residue SQD a 401 source : AM3 6) chain a residue 28 type sequence L description binding site for residue SQD a 401 source : AM3 7) chain a residue 45 type sequence T description binding site for residue SQD a 401 source : AM3 8) chain a residue 72 type sequence L description binding site for residue LMG a 402 source : AM4 9) chain a residue 103 type sequence D description binding site for residue LMG a 402 source : AM4 10) chain a residue 119 type sequence F description binding site for residue CLA a 403 source : AM5 11) chain a residue 147 type sequence Y description binding site for residue CLA a 403 source : AM5 12) chain a residue 150 type sequence P description binding site for residue CLA a 403 source : AM5 13) chain a residue 153 type sequence S description binding site for residue CLA a 403 source : AM5 14) chain a residue 157 type sequence V description binding site for residue CLA a 403 source : AM5 15) chain a residue 183 type sequence M description binding site for residue CLA a 403 source : AM5 16) chain a residue 186 type sequence F description binding site for residue CLA a 403 source : AM5 17) chain a residue 187 type sequence Q description binding site for residue CLA a 403 source : AM5 18) chain a residue 198 type sequence H description binding site for residue CLA a 403 source : AM5 19) chain a residue 201 type sequence G description binding site for residue CLA a 403 source : AM5 20) chain a residue 205 type sequence V description binding site for residue CLA a 403 source : AM5 21) chain a residue 206 type sequence F description binding site for residue CLA a 403 source : AM5 22) chain a residue 283 type sequence V description binding site for residue CLA a 403 source : AM5 23) chain a residue 286 type sequence T description binding site for residue CLA a 403 source : AM5 24) chain a residue 290 type sequence I description binding site for residue CLA a 403 source : AM5 25) chain a residue 45 type sequence T description binding site for residue CLA a 404 source : AM6 26) chain a residue 157 type sequence V description binding site for residue CLA a 404 source : AM6 27) chain a residue 158 type sequence F description binding site for residue CLA a 404 source : AM6 28) chain a residue 172 type sequence M description binding site for residue CLA a 404 source : AM6 29) chain a residue 176 type sequence I description binding site for residue CLA a 404 source : AM6 30) chain a residue 179 type sequence T description binding site for residue CLA a 404 source : AM6 31) chain a residue 180 type sequence F description binding site for residue CLA a 404 source : AM6 32) chain a residue 183 type sequence M description binding site for residue CLA a 404 source : AM6 33) chain a residue 199 type sequence Q description binding site for residue CLA a 405 source : AM7 34) chain a residue 202 type sequence V description binding site for residue CLA a 405 source : AM7 35) chain a residue 203 type sequence A description binding site for residue CLA a 405 source : AM7 36) chain a residue 210 type sequence L description binding site for residue CLA a 405 source : AM7 37) chain a residue 36 type sequence I description binding site for residue CLA a 406 source : AM8 38) chain a residue 39 type sequence P description binding site for residue CLA a 406 source : AM8 39) chain a residue 40 type sequence T description binding site for residue CLA a 406 source : AM8 40) chain a residue 93 type sequence F description binding site for residue CLA a 406 source : AM8 41) chain a residue 95 type sequence P description binding site for residue CLA a 406 source : AM8 42) chain a residue 96 type sequence I description binding site for residue CLA a 406 source : AM8 43) chain a residue 97 type sequence W description binding site for residue CLA a 406 source : AM8 44) chain a residue 114 type sequence L description binding site for residue CLA a 406 source : AM8 45) chain a residue 118 type sequence H description binding site for residue CLA a 406 source : AM8 46) chain a residue 121 type sequence L description binding site for residue CLA a 406 source : AM8 47) chain a residue 215 type sequence H description binding site for residue PL9 a 407 source : AM9 48) chain a residue 218 type sequence L description binding site for residue PL9 a 407 source : AM9 49) chain a residue 252 type sequence H description binding site for residue PL9 a 407 source : AM9 50) chain a residue 255 type sequence F description binding site for residue PL9 a 407 source : AM9 51) chain a residue 264 type sequence S description binding site for residue PL9 a 407 source : AM9 52) chain a residue 265 type sequence F description binding site for residue PL9 a 407 source : AM9 53) chain a residue 271 type sequence L description binding site for residue PL9 a 407 source : AM9 54) chain a residue 274 type sequence F description binding site for residue PL9 a 407 source : AM9 55) chain a residue 93 type sequence F description binding site for residue DGD a 408 source : AN1 56) chain a residue 97 type sequence W description binding site for residue DGD a 408 source : AN1 57) chain a residue 98 type sequence E description binding site for residue DGD a 408 source : AN1 58) chain a residue 121 type sequence L description binding site for residue DGD a 408 source : AN1 59) chain a residue 140 type sequence R description binding site for residue LHG a 409 source : AN2 60) chain a residue 142 type sequence W description binding site for residue LHG a 409 source : AN2 61) chain a residue 273 type sequence F description binding site for residue LHG a 409 source : AN2 62) chain a residue 332 type sequence H description binding site for residue CL a 410 source : AN3 63) chain a residue 333 type sequence E description binding site for residue CL a 410 source : AN3 64) chain a residue 165 type sequence Q description binding site for residue OEX a 411 source : AN4 65) chain a residue 170 type sequence D description binding site for residue OEX a 411 source : AN4 66) chain a residue 189 type sequence E description binding site for residue OEX a 411 source : AN4 67) chain a residue 332 type sequence H description binding site for residue OEX a 411 source : AN4 68) chain a residue 333 type sequence E description binding site for residue OEX a 411 source : AN4 69) chain a residue 337 type sequence H description binding site for residue OEX a 411 source : AN4 70) chain a residue 342 type sequence D description binding site for residue OEX a 411 source : AN4 71) chain a residue 344 type sequence A description binding site for residue OEX a 411 source : AN4 72) chain a residue 267 type sequence N description binding site for residue SQD a 412 source : AN5 73) chain a residue 270 type sequence S description binding site for residue SQD a 412 source : AN5 74) chain a residue 273 type sequence F description binding site for residue SQD a 412 source : AN5 75) chain a residue 274 type sequence F description binding site for residue SQD a 412 source : AN5 76) chain a residue 278 type sequence W description binding site for residue SQD a 412 source : AN5 77) chain a residue 215 type sequence H description binding site for residue FE2 a 413 source : AN6 78) chain a residue 272 type sequence H description binding site for residue FE2 a 413 source : AN6 79) chain a residue 33 type sequence F description binding site for residue CLA c 504 source : AR3 80) chain a residue 127 type sequence M description binding site for residue CLA c 504 source : AR3 81) chain a residue 128 type sequence G description binding site for residue CLA c 504 source : AR3 82) chain a residue 131 type sequence W description binding site for residue CLA c 504 source : AR3 83) chain a residue 91 type sequence L description binding site for residue DGD c 515 source : AS5 84) chain a residue 155 type sequence F description binding site for residue DGD c 515 source : AS5 85) chain a residue 163 type sequence I description binding site for residue DGD c 515 source : AS5 86) chain a residue 197 type sequence F description binding site for residue DGD c 516 source : AS6 87) chain a residue 278 type sequence W description binding site for residue DGD c 517 source : AS7 88) chain a residue 300 type sequence F description binding site for residue DGD c 517 source : AS7 89) chain a residue 301 type sequence N description binding site for residue DGD c 517 source : AS7 90) chain a residue 302 type sequence F description binding site for residue DGD c 517 source : AS7 91) chain a residue 305 type sequence S description binding site for residue DGD c 517 source : AS7 92) chain a residue 262 type sequence Y description binding site for residue LHG c 519 source : AS9 93) chain a residue 266 type sequence N description binding site for residue LHG c 519 source : AS9 94) chain a residue 285 type sequence F description binding site for residue CLA c 520 source : AT1 95) chain a residue 41 type sequence L description binding site for residue PHO d 401 source : AT4 96) chain a residue 44 type sequence A description binding site for residue PHO d 401 source : AT4 97) chain a residue 45 type sequence T description binding site for residue PHO d 401 source : AT4 98) chain a residue 115 type sequence I description binding site for residue PHO d 401 source : AT4 99) chain a residue 126 type sequence Y description binding site for residue PHO d 401 source : AT4 100) chain a residue 130 type sequence Q description binding site for residue PHO d 401 source : AT4 101) chain a residue 147 type sequence Y description binding site for residue PHO d 401 source : AT4 102) chain a residue 174 type sequence L description binding site for residue PHO d 401 source : AT4 103) chain a residue 283 type sequence V description binding site for residue PHO d 401 source : AT4 104) chain a residue 206 type sequence F description binding site for residue PHO d 402 source : AT5 105) chain a residue 209 type sequence A description binding site for residue PHO d 402 source : AT5 106) chain a residue 210 type sequence L description binding site for residue PHO d 402 source : AT5 107) chain a residue 214 type sequence M description binding site for residue PHO d 402 source : AT5 108) chain a residue 258 type sequence L description binding site for residue PHO d 402 source : AT5 109) chain a residue 215 type sequence H description binding site for residue BCT d 404 source : AT7 110) chain a residue 244 type sequence E description binding site for residue BCT d 404 source : AT7 111) chain a residue 246 type sequence Y description binding site for residue BCT d 404 source : AT7 112) chain a residue 272 type sequence H description binding site for residue BCT d 404 source : AT7 113) chain a residue 206 type sequence F description binding site for residue CLA d 405 source : AT8 114) chain a residue 52 type sequence F description binding site for residue PL9 d 407 source : AU1 115) chain a residue 234 type sequence N description binding site for residue LMG d 408 source : AU2 116) chain a residue 262 type sequence Y description binding site for residue LMG e 101 source : AU7 117) chain a residue 38 type sequence I description binding site for residue BCR i 101 source : AV2 118) chain a residue 42 type sequence L description binding site for residue BCR i 101 source : AV2 119) chain a residue 43 type sequence A description binding site for residue BCR i 101 source : AV2 120) chain a residue 232 type sequence S description binding site for residue LMG l 101 source : AV8 121) chain a residue 234 type sequence N description binding site for residue LMG l 101 source : AV8 122) chain a residue 126 type MOD_RES sequence Y description N-formylmethionine => ECO:0000269|PubMed:19219048, ECO:0000269|PubMed:20558739 source Swiss-Prot : SWS_FT_FI5 123) chain a residue 215 type MOD_RES sequence H description N-formylmethionine => ECO:0000269|PubMed:19219048, ECO:0000269|PubMed:20558739 source Swiss-Prot : SWS_FT_FI5 124) chain a residue 272 type MOD_RES sequence H description N-formylmethionine => ECO:0000269|PubMed:19219048, ECO:0000269|PubMed:20558739 source Swiss-Prot : SWS_FT_FI5 125) chain a residue 170 type BINDING sequence D 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 126) chain a residue 189 type BINDING sequence E 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 127) chain a residue 332 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 128) chain a residue 333 type BINDING sequence E 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 129) chain a residue 344 type BINDING sequence A description BINDING => ECO:0000255|HAMAP-Rule:MF_01379, ECO:0000269|PubMed:19219048, ECO:0000303|PubMed:14764885, ECO:0000303|PubMed:16355230, ECO:0000303|PubMed:20558739, ECO:0000303|PubMed:21367867, ECO:0000303|PubMed:23413188, ECO:0000303|PubMed:25043005 source Swiss-Prot : SWS_FT_FI11 130) chain a residue 344 type SITE sequence A description Cleavage; by CtpA => ECO:0000255|HAMAP-Rule:MF_01379 source Swiss-Prot : SWS_FT_FI14 131) chain a residue 118 type TOPO_DOM sequence H description Lumenal => ECO:0000269|PubMed:33846594, ECO:0007744|PDB:7NHQ source Swiss-Prot : SWS_FT_FI4 132) chain a residue 198 type TOPO_DOM sequence H description Lumenal => ECO:0000269|PubMed:33846594, ECO:0007744|PDB:7NHQ source Swiss-Prot : SWS_FT_FI4 133) chain a residue 161 type SITE sequence Y description Tyrosine radical intermediate => ECO:0000255|HAMAP-Rule:MF_01379, ECO:0000303|PubMed:11217865, ECO:0000303|PubMed:14764885, ECO:0000303|PubMed:19219048, ECO:0000303|PubMed:21367867, ECO:0000303|DOI:10.1039/B406989G source Swiss-Prot : SWS_FT_FI12 134) chain a residue 190 type SITE sequence H description Stabilizes free radical intermediate => ECO:0000255|HAMAP-Rule:MF_01379 source Swiss-Prot : SWS_FT_FI13

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