eF-site ID 4ixq-D PDB Code 4ixq Chain D click to enlarge Title RT fs X-ray diffraction of Photosystem II, dark state Classification 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 214 type sequence H description BINDING SITE FOR RESIDUE FE2 A 401 source : AC1 2) chain D residue 268 type sequence H description BINDING SITE FOR RESIDUE FE2 A 401 source : AC1 3) chain D residue 214 type sequence H description BINDING SITE FOR RESIDUE BCT A 402 source : AC2 4) chain D residue 244 type sequence Y description BINDING SITE FOR RESIDUE BCT A 402 source : AC2 5) chain D residue 264 type sequence K description BINDING SITE FOR RESIDUE BCT A 402 source : AC2 6) chain D residue 268 type sequence H description BINDING SITE FOR RESIDUE BCT A 402 source : AC2 7) chain D residue 182 type sequence L description BINDING SITE FOR RESIDUE CLA A 403 source : AC3 8) chain D residue 205 type sequence L description BINDING SITE FOR RESIDUE CLA A 403 source : AC3 9) chain D residue 198 type sequence M description BINDING SITE FOR RESIDUE CLA A 404 source : AC4 10) chain D residue 201 type sequence V description BINDING SITE FOR RESIDUE CLA A 404 source : AC4 11) chain D residue 202 type sequence A description BINDING SITE FOR RESIDUE CLA A 404 source : AC4 12) chain D residue 157 type sequence F description BINDING SITE FOR RESIDUE CLA A 405 source : AC5 13) chain D residue 175 type sequence V description BINDING SITE FOR RESIDUE CLA A 405 source : AC5 14) chain D residue 178 type sequence I description BINDING SITE FOR RESIDUE CLA A 405 source : AC5 15) chain D residue 179 type sequence F description BINDING SITE FOR RESIDUE CLA A 405 source : AC5 16) chain D residue 181 type sequence F description BINDING SITE FOR RESIDUE CLA A 405 source : AC5 17) chain D residue 182 type sequence L description BINDING SITE FOR RESIDUE CLA A 405 source : AC5 18) chain D residue 41 type sequence A description BINDING SITE FOR RESIDUE PHO A 406 source : AC6 19) chain D residue 48 type sequence W description BINDING SITE FOR RESIDUE PHO A 406 source : AC6 20) chain D residue 122 type sequence L description BINDING SITE FOR RESIDUE PHO A 406 source : AC6 21) chain D residue 125 type sequence F description BINDING SITE FOR RESIDUE PHO A 406 source : AC6 22) chain D residue 129 type sequence Q description BINDING SITE FOR RESIDUE PHO A 406 source : AC6 23) chain D residue 142 type sequence N description BINDING SITE FOR RESIDUE PHO A 406 source : AC6 24) chain D residue 146 type sequence F description BINDING SITE FOR RESIDUE PHO A 406 source : AC6 25) chain D residue 148 type sequence A description BINDING SITE FOR RESIDUE PHO A 406 source : AC6 26) chain D residue 153 type sequence F description BINDING SITE FOR RESIDUE PHO A 406 source : AC6 27) chain D residue 173 type sequence F description BINDING SITE FOR RESIDUE PHO A 406 source : AC6 28) chain D residue 275 type sequence P description BINDING SITE FOR RESIDUE PHO A 406 source : AC6 29) chain D residue 279 type sequence L description BINDING SITE FOR RESIDUE PHO A 406 source : AC6 30) chain D residue 38 type sequence F description BINDING SITE FOR RESIDUE PL9 A 408 source : AC8 31) chain D residue 41 type sequence A description BINDING SITE FOR RESIDUE PL9 A 408 source : AC8 32) chain D residue 42 type sequence Y description BINDING SITE FOR RESIDUE PL9 A 408 source : AC8 33) chain D residue 220 type sequence N description BINDING SITE FOR RESIDUE LHG A 412 source : BC3 34) chain D residue 229 type sequence A description BINDING SITE FOR RESIDUE LHG A 412 source : BC3 35) chain D residue 230 type sequence S description BINDING SITE FOR RESIDUE LHG A 412 source : BC3 36) chain D residue 231 type sequence T description BINDING SITE FOR RESIDUE LHG A 412 source : BC3 37) chain D residue 232 type sequence F description BINDING SITE FOR RESIDUE LHG A 412 source : BC3 38) chain D residue 232 type sequence F description BINDING SITE FOR RESIDUE SQD A 413 source : BC4 39) chain D residue 233 type sequence R description BINDING SITE FOR RESIDUE SQD A 413 source : BC4 40) chain D residue 266 type sequence W description BINDING SITE FOR RESIDUE LMG A 414 source : BC5 41) chain D residue 269 type sequence F description BINDING SITE FOR RESIDUE LMG A 414 source : BC5 42) chain D residue 270 type sequence F description BINDING SITE FOR RESIDUE LMG A 414 source : BC5 43) chain D residue 273 type sequence F description BINDING SITE FOR RESIDUE LMG A 414 source : BC5 44) chain D residue 317 type sequence K description BINDING SITE FOR RESIDUE CL A 416 source : BC7 45) chain D residue 304 type sequence R description BINDING SITE FOR RESIDUE LMG A 418 source : BC9 46) chain D residue 154 type sequence V description BINDING SITE FOR RESIDUE CLA B 602 source : CC2 47) chain D residue 281 type sequence M description BINDING SITE FOR RESIDUE CLA B 607 source : CC7 48) chain D residue 120 type sequence F description BINDING SITE FOR RESIDUE CLA B 608 source : CC8 49) chain D residue 123 type sequence I description BINDING SITE FOR RESIDUE CLA B 608 source : CC8 50) chain D residue 126 type sequence M description BINDING SITE FOR RESIDUE CLA B 608 source : CC8 51) chain D residue 127 type sequence L description BINDING SITE FOR RESIDUE CLA B 608 source : CC8 52) chain D residue 130 type sequence F description BINDING SITE FOR RESIDUE CLA B 608 source : CC8 53) chain D residue 87 type sequence H description BINDING SITE FOR RESIDUE DGD B 621 source : EC3 54) chain D residue 284 type sequence I description BINDING SITE FOR RESIDUE LMG B 622 source : EC4 55) chain D residue 16 type sequence D description BINDING SITE FOR RESIDUE LMT B 624 source : EC6 56) chain D residue 19 type sequence D description BINDING SITE FOR RESIDUE LMT B 624 source : EC6 57) chain D residue 45 type sequence L description BINDING SITE FOR RESIDUE CLA D 401 source : HC4 58) chain D residue 122 type sequence L description BINDING SITE FOR RESIDUE CLA D 401 source : HC4 59) chain D residue 152 type sequence V description BINDING SITE FOR RESIDUE CLA D 401 source : HC4 60) chain D residue 153 type sequence F description BINDING SITE FOR RESIDUE CLA D 401 source : HC4 61) chain D residue 155 type sequence S description BINDING SITE FOR RESIDUE CLA D 401 source : HC4 62) chain D residue 156 type sequence V description BINDING SITE FOR RESIDUE CLA D 401 source : HC4 63) chain D residue 182 type sequence L description BINDING SITE FOR RESIDUE CLA D 401 source : HC4 64) chain D residue 185 type sequence F description BINDING SITE FOR RESIDUE CLA D 401 source : HC4 65) chain D residue 186 type sequence Q description BINDING SITE FOR RESIDUE CLA D 401 source : HC4 66) chain D residue 191 type sequence W description BINDING SITE FOR RESIDUE CLA D 401 source : HC4 67) chain D residue 192 type sequence T description BINDING SITE FOR RESIDUE CLA D 401 source : HC4 68) chain D residue 197 type sequence H description BINDING SITE FOR RESIDUE CLA D 401 source : HC4 69) chain D residue 200 type sequence G description BINDING SITE FOR RESIDUE CLA D 401 source : HC4 70) chain D residue 201 type sequence V description BINDING SITE FOR RESIDUE CLA D 401 source : HC4 71) chain D residue 204 type sequence V description BINDING SITE FOR RESIDUE CLA D 401 source : HC4 72) chain D residue 279 type sequence L description BINDING SITE FOR RESIDUE CLA D 401 source : HC4 73) chain D residue 282 type sequence S description BINDING SITE FOR RESIDUE CLA D 401 source : HC4 74) chain D residue 283 type sequence A description BINDING SITE FOR RESIDUE CLA D 401 source : HC4 75) chain D residue 286 type sequence V description BINDING SITE FOR RESIDUE CLA D 401 source : HC4 76) chain D residue 205 type sequence L description BINDING SITE FOR RESIDUE PHO D 402 source : HC5 77) chain D residue 208 type sequence A description BINDING SITE FOR RESIDUE PHO D 402 source : HC5 78) chain D residue 209 type sequence L description BINDING SITE FOR RESIDUE PHO D 402 source : HC5 79) chain D residue 213 type sequence I description BINDING SITE FOR RESIDUE PHO D 402 source : HC5 80) chain D residue 253 type sequence W description BINDING SITE FOR RESIDUE PHO D 402 source : HC5 81) chain D residue 257 type sequence F description BINDING SITE FOR RESIDUE PHO D 402 source : HC5 82) chain D residue 43 type sequence L description BINDING SITE FOR RESIDUE CLA D 403 source : HC6 83) chain D residue 89 type sequence L description BINDING SITE FOR RESIDUE CLA D 403 source : HC6 84) chain D residue 90 type sequence L description BINDING SITE FOR RESIDUE CLA D 403 source : HC6 85) chain D residue 91 type sequence L description BINDING SITE FOR RESIDUE CLA D 403 source : HC6 86) chain D residue 92 type sequence L description BINDING SITE FOR RESIDUE CLA D 403 source : HC6 87) chain D residue 93 type sequence W description BINDING SITE FOR RESIDUE CLA D 403 source : HC6 88) chain D residue 112 type sequence T description BINDING SITE FOR RESIDUE CLA D 403 source : HC6 89) chain D residue 117 type sequence H description BINDING SITE FOR RESIDUE CLA D 403 source : HC6 90) chain D residue 120 type sequence F description BINDING SITE FOR RESIDUE CLA D 403 source : HC6 91) chain D residue 199 type sequence M description BINDING SITE FOR RESIDUE PL9 D 404 source : HC7 92) chain D residue 209 type sequence L description BINDING SITE FOR RESIDUE PL9 D 404 source : HC7 93) chain D residue 213 type sequence I description BINDING SITE FOR RESIDUE PL9 D 404 source : HC7 94) chain D residue 214 type sequence H description BINDING SITE FOR RESIDUE PL9 D 404 source : HC7 95) chain D residue 217 type sequence T description BINDING SITE FOR RESIDUE PL9 D 404 source : HC7 96) chain D residue 246 type sequence M description BINDING SITE FOR RESIDUE PL9 D 404 source : HC7 97) chain D residue 253 type sequence W description BINDING SITE FOR RESIDUE PL9 D 404 source : HC7 98) chain D residue 260 type sequence A description BINDING SITE FOR RESIDUE PL9 D 404 source : HC7 99) chain D residue 261 type sequence F description BINDING SITE FOR RESIDUE PL9 D 404 source : HC7 100) chain D residue 267 type sequence L description BINDING SITE FOR RESIDUE PL9 D 404 source : HC7 101) chain D residue 273 type sequence F description BINDING SITE FOR RESIDUE PL9 D 404 source : HC7 102) chain D residue 274 type sequence V description BINDING SITE FOR RESIDUE PL9 D 404 source : HC7 103) chain D residue 278 type sequence G description BINDING SITE FOR RESIDUE PL9 D 404 source : HC7 104) chain D residue 42 type sequence Y description BINDING SITE FOR RESIDUE BCR D 405 source : HC8 105) chain D residue 46 type sequence G description BINDING SITE FOR RESIDUE BCR D 405 source : HC8 106) chain D residue 49 type sequence L description BINDING SITE FOR RESIDUE BCR D 405 source : HC8 107) chain D residue 50 type sequence T description BINDING SITE FOR RESIDUE BCR D 405 source : HC8 108) chain D residue 67 type sequence Y description BINDING SITE FOR RESIDUE LMG D 406 source : HC9 109) chain D residue 70 type sequence G description BINDING SITE FOR RESIDUE LMG D 406 source : HC9 110) chain D residue 72 type sequence N description BINDING SITE FOR RESIDUE LMG D 406 source : HC9 111) chain D residue 73 type sequence F description BINDING SITE FOR RESIDUE LMG D 406 source : HC9 112) chain D residue 139 type sequence R description BINDING SITE FOR RESIDUE LMG D 407 source : IC1 113) chain D residue 141 type sequence Y description BINDING SITE FOR RESIDUE LMG D 407 source : IC1 114) chain D residue 269 type sequence F description BINDING SITE FOR RESIDUE LMG D 407 source : IC1 115) chain D residue 273 type sequence F description BINDING SITE FOR RESIDUE LMG D 407 source : IC1 116) chain D residue 257 type sequence F description BINDING SITE FOR RESIDUE LMG D 408 source : IC2 117) chain D residue 259 type sequence I description BINDING SITE FOR RESIDUE LMG D 408 source : IC2 118) chain D residue 260 type sequence A description BINDING SITE FOR RESIDUE LMG D 408 source : IC2 119) chain D residue 261 type sequence F description BINDING SITE FOR RESIDUE LMG D 408 source : IC2 120) chain D residue 262 type sequence S description BINDING SITE FOR RESIDUE LMG D 408 source : IC2 121) chain D residue 263 type sequence N description BINDING SITE FOR RESIDUE LMG D 408 source : IC2 122) chain D residue 266 type sequence W description BINDING SITE FOR RESIDUE LMG D 408 source : IC2 123) chain D residue 23 type sequence K description BINDING SITE FOR RESIDUE SQD D 409 source : IC3 124) chain D residue 32 type sequence W description BINDING SITE FOR RESIDUE SQD D 409 source : IC3 125) chain D residue 134 type sequence R description BINDING SITE FOR RESIDUE SQD D 409 source : IC3 126) chain D residue 135 type sequence L description BINDING SITE FOR RESIDUE SQD D 409 source : IC3 127) chain D residue 100 type sequence D description BINDING SITE FOR RESIDUE DGD D 410 source : IC4 128) chain D residue 101 type sequence F description BINDING SITE FOR RESIDUE DGD D 410 source : IC4 129) chain D residue 102 type sequence T description BINDING SITE FOR RESIDUE DGD D 410 source : IC4 130) chain D residue 92 type sequence L description BINDING SITE FOR RESIDUE LMT D 411 source : IC5 131) chain D residue 93 type sequence W description BINDING SITE FOR RESIDUE LMT D 411 source : IC5 132) chain D residue 99 type sequence G description BINDING SITE FOR RESIDUE LMT D 411 source : IC5 133) chain D residue 27 type sequence F description BINDING SITE FOR RESIDUE LMG E 101 source : IC6 134) chain D residue 21 type sequence W description BINDING SITE FOR RESIDUE SQD F 102 source : IC8 135) chain D residue 26 type sequence R description BINDING SITE FOR RESIDUE SQD F 102 source : IC8 136) chain D residue 190-216 type prosite sequence NWTLNPFHMMGVAGVLGGALLCAIHGA description REACTION_CENTER Photosynthetic reaction center proteins signature. NilmhPfHqlGvagvfggalfcAmHGS source prosite : PS00244 137) 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 138) 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 139) 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 140) 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 141) 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 142) 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 143) 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

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