eF-site ID 4ixq-A PDB Code 4ixq Chain A 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 A:  SANLWERFCNWVTSTDNRLYVGWFGVIMIPTLLAATICFV IAFIAAPPVDIDGIREPVSGSLLYGNNIITGAVVPSSNAI GLHFYPIWEAASLDEWLYNGGPYQLIIFHFLLGASCYMGR QWELSYRLGMRPWICVAYSAPLASAFAVFLIYPIGQGSFS DGMPLGISGTFNFMIVFQAEHNILMHPFHQLGVAGVFGGA LFCAMHGSLVTSSLIRETTETESANYGYKFGQEEETYNIV AAHGYFGRLIFQYASFNNSRSLHFFLAAWPVVGVWFTALG ISTMAFNLNGFNFNHSVIDAKGNVINTWADIINRANLGME VMHERNAHNFPLDLA Description Functional site 1) chain A residue 215 type sequence H description BINDING SITE FOR RESIDUE FE2 A 401 source : AC1 2) chain A residue 272 type sequence H description BINDING SITE FOR RESIDUE FE2 A 401 source : AC1 3) chain A residue 215 type sequence H description BINDING SITE FOR RESIDUE BCT A 402 source : AC2 4) chain A residue 244 type sequence E description BINDING SITE FOR RESIDUE BCT A 402 source : AC2 5) chain A residue 246 type sequence Y description BINDING SITE FOR RESIDUE BCT A 402 source : AC2 6) chain A residue 272 type sequence H description BINDING SITE FOR RESIDUE BCT A 402 source : AC2 7) chain A residue 119 type sequence F description BINDING SITE FOR RESIDUE CLA A 403 source : AC3 8) chain A residue 147 type sequence Y description BINDING SITE FOR RESIDUE CLA A 403 source : AC3 9) chain A residue 150 type sequence P description BINDING SITE FOR RESIDUE CLA A 403 source : AC3 10) chain A residue 153 type sequence S description BINDING SITE FOR RESIDUE CLA A 403 source : AC3 11) chain A residue 157 type sequence V description BINDING SITE FOR RESIDUE CLA A 403 source : AC3 12) chain A residue 183 type sequence M description BINDING SITE FOR RESIDUE CLA A 403 source : AC3 13) chain A residue 186 type sequence F description BINDING SITE FOR RESIDUE CLA A 403 source : AC3 14) chain A residue 193 type sequence L description BINDING SITE FOR RESIDUE CLA A 403 source : AC3 15) chain A residue 198 type sequence H description BINDING SITE FOR RESIDUE CLA A 403 source : AC3 16) chain A residue 201 type sequence G description BINDING SITE FOR RESIDUE CLA A 403 source : AC3 17) chain A residue 205 type sequence V description BINDING SITE FOR RESIDUE CLA A 403 source : AC3 18) chain A residue 206 type sequence F description BINDING SITE FOR RESIDUE CLA A 403 source : AC3 19) chain A residue 283 type sequence V description BINDING SITE FOR RESIDUE CLA A 403 source : AC3 20) chain A residue 286 type sequence T description BINDING SITE FOR RESIDUE CLA A 403 source : AC3 21) chain A residue 290 type sequence I description BINDING SITE FOR RESIDUE CLA A 403 source : AC3 22) chain A residue 45 type sequence T description BINDING SITE FOR RESIDUE CLA A 404 source : AC4 23) chain A residue 157 type sequence V description BINDING SITE FOR RESIDUE CLA A 404 source : AC4 24) chain A residue 158 type sequence F description BINDING SITE FOR RESIDUE CLA A 404 source : AC4 25) chain A residue 172 type sequence M description BINDING SITE FOR RESIDUE CLA A 404 source : AC4 26) chain A residue 176 type sequence I description BINDING SITE FOR RESIDUE CLA A 404 source : AC4 27) chain A residue 179 type sequence T description BINDING SITE FOR RESIDUE CLA A 404 source : AC4 28) chain A residue 183 type sequence M description BINDING SITE FOR RESIDUE CLA A 404 source : AC4 29) chain A residue 199 type sequence Q description BINDING SITE FOR RESIDUE CLA A 405 source : AC5 30) chain A residue 202 type sequence V description BINDING SITE FOR RESIDUE CLA A 405 source : AC5 31) chain A residue 203 type sequence A description BINDING SITE FOR RESIDUE CLA A 405 source : AC5 32) chain A residue 278 type sequence W description BINDING SITE FOR RESIDUE CLA A 405 source : AC5 33) chain A residue 206 type sequence F description BINDING SITE FOR RESIDUE PHO A 406 source : AC6 34) chain A residue 209 type sequence A description BINDING SITE FOR RESIDUE PHO A 406 source : AC6 35) chain A residue 210 type sequence L description BINDING SITE FOR RESIDUE PHO A 406 source : AC6 36) chain A residue 214 type sequence M description BINDING SITE FOR RESIDUE PHO A 406 source : AC6 37) chain A residue 258 type sequence L description BINDING SITE FOR RESIDUE PHO A 406 source : AC6 38) chain A residue 36 type sequence I description BINDING SITE FOR RESIDUE CLA A 407 source : AC7 39) chain A residue 39 type sequence P description BINDING SITE FOR RESIDUE CLA A 407 source : AC7 40) chain A residue 40 type sequence T description BINDING SITE FOR RESIDUE CLA A 407 source : AC7 41) chain A residue 93 type sequence F description BINDING SITE FOR RESIDUE CLA A 407 source : AC7 42) chain A residue 95 type sequence P description BINDING SITE FOR RESIDUE CLA A 407 source : AC7 43) chain A residue 96 type sequence I description BINDING SITE FOR RESIDUE CLA A 407 source : AC7 44) chain A residue 97 type sequence W description BINDING SITE FOR RESIDUE CLA A 407 source : AC7 45) chain A residue 114 type sequence L description BINDING SITE FOR RESIDUE CLA A 407 source : AC7 46) chain A residue 118 type sequence H description BINDING SITE FOR RESIDUE CLA A 407 source : AC7 47) chain A residue 121 type sequence L description BINDING SITE FOR RESIDUE CLA A 407 source : AC7 48) chain A residue 215 type sequence H description BINDING SITE FOR RESIDUE PL9 A 408 source : AC8 49) chain A residue 218 type sequence L description BINDING SITE FOR RESIDUE PL9 A 408 source : AC8 50) chain A residue 252 type sequence H description BINDING SITE FOR RESIDUE PL9 A 408 source : AC8 51) chain A residue 255 type sequence F description BINDING SITE FOR RESIDUE PL9 A 408 source : AC8 52) chain A residue 264 type sequence S description BINDING SITE FOR RESIDUE PL9 A 408 source : AC8 53) chain A residue 265 type sequence F description BINDING SITE FOR RESIDUE PL9 A 408 source : AC8 54) chain A residue 271 type sequence L description BINDING SITE FOR RESIDUE PL9 A 408 source : AC8 55) chain A residue 274 type sequence F description BINDING SITE FOR RESIDUE PL9 A 408 source : AC8 56) chain A residue 170 type sequence D description BINDING SITE FOR RESIDUE OEC A 409 source : AC9 57) chain A residue 189 type sequence E description BINDING SITE FOR RESIDUE OEC A 409 source : AC9 58) chain A residue 332 type sequence H description BINDING SITE FOR RESIDUE OEC A 409 source : AC9 59) chain A residue 333 type sequence E description BINDING SITE FOR RESIDUE OEC A 409 source : AC9 60) chain A residue 342 type sequence D description BINDING SITE FOR RESIDUE OEC A 409 source : AC9 61) chain A residue 344 type sequence A description BINDING SITE FOR RESIDUE OEC A 409 source : AC9 62) chain A residue 35 type sequence V description BINDING SITE FOR RESIDUE BCR A 410 source : BC1 63) chain A residue 38 type sequence I description BINDING SITE FOR RESIDUE BCR A 410 source : BC1 64) chain A residue 42 type sequence L description BINDING SITE FOR RESIDUE BCR A 410 source : BC1 65) chain A residue 43 type sequence A description BINDING SITE FOR RESIDUE BCR A 410 source : BC1 66) chain A residue 93 type sequence F description BINDING SITE FOR RESIDUE DGD A 411 source : BC2 67) chain A residue 97 type sequence W description BINDING SITE FOR RESIDUE DGD A 411 source : BC2 68) chain A residue 98 type sequence E description BINDING SITE FOR RESIDUE DGD A 411 source : BC2 69) chain A residue 140 type sequence R description BINDING SITE FOR RESIDUE LHG A 412 source : BC3 70) chain A residue 142 type sequence W description BINDING SITE FOR RESIDUE LHG A 412 source : BC3 71) chain A residue 273 type sequence F description BINDING SITE FOR RESIDUE LHG A 412 source : BC3 72) chain A residue 267 type sequence N description BINDING SITE FOR RESIDUE SQD A 413 source : BC4 73) chain A residue 270 type sequence S description BINDING SITE FOR RESIDUE SQD A 413 source : BC4 74) chain A residue 273 type sequence F description BINDING SITE FOR RESIDUE SQD A 413 source : BC4 75) chain A residue 274 type sequence F description BINDING SITE FOR RESIDUE SQD A 413 source : BC4 76) chain A residue 232 type sequence S description BINDING SITE FOR RESIDUE LMG A 414 source : BC5 77) chain A residue 234 type sequence N description BINDING SITE FOR RESIDUE LMG A 414 source : BC5 78) chain A residue 262 type sequence Y description BINDING SITE FOR RESIDUE LHG A 415 source : BC6 79) chain A residue 264 type sequence S description BINDING SITE FOR RESIDUE LHG A 415 source : BC6 80) chain A residue 266 type sequence N description BINDING SITE FOR RESIDUE LHG A 415 source : BC6 81) chain A residue 181 type sequence N description BINDING SITE FOR RESIDUE CL A 416 source : BC7 82) chain A residue 20 type sequence W description BINDING SITE FOR RESIDUE SQD A 417 source : BC8 83) chain A residue 26 type sequence N description BINDING SITE FOR RESIDUE SQD A 417 source : BC8 84) chain A residue 27 type sequence R description BINDING SITE FOR RESIDUE SQD A 417 source : BC8 85) chain A residue 28 type sequence L description BINDING SITE FOR RESIDUE SQD A 417 source : BC8 86) chain A residue 41 type sequence L description BINDING SITE FOR RESIDUE SQD A 417 source : BC8 87) chain A residue 42 type sequence L description BINDING SITE FOR RESIDUE SQD A 417 source : BC8 88) chain A residue 45 type sequence T description BINDING SITE FOR RESIDUE SQD A 417 source : BC8 89) chain A residue 72 type sequence L description BINDING SITE FOR RESIDUE LMG A 418 source : BC9 90) chain A residue 73 type sequence Y description BINDING SITE FOR RESIDUE LMG A 418 source : BC9 91) chain A residue 102 type sequence L description BINDING SITE FOR RESIDUE LMG A 418 source : BC9 92) chain A residue 103 type sequence D description BINDING SITE FOR RESIDUE LMG A 418 source : BC9 93) chain A residue 285 type sequence F description BINDING SITE FOR RESIDUE CLA C 504 source : FC5 94) chain A residue 33 type sequence F description BINDING SITE FOR RESIDUE CLA C 505 source : FC6 95) chain A residue 127 type sequence M description BINDING SITE FOR RESIDUE CLA C 505 source : FC6 96) chain A residue 128 type sequence G description BINDING SITE FOR RESIDUE CLA C 505 source : FC6 97) chain A residue 131 type sequence W description BINDING SITE FOR RESIDUE CLA C 505 source : FC6 98) chain A residue 91 type sequence L description BINDING SITE FOR RESIDUE DGD C 516 source : GC8 99) chain A residue 155 type sequence F description BINDING SITE FOR RESIDUE DGD C 516 source : GC8 100) chain A residue 163 type sequence I description BINDING SITE FOR RESIDUE DGD C 516 source : GC8 101) chain A residue 200 type sequence L description BINDING SITE FOR RESIDUE DGD C 518 source : HC1 102) chain A residue 278 type sequence W description BINDING SITE FOR RESIDUE DGD C 518 source : HC1 103) chain A residue 300 type sequence F description BINDING SITE FOR RESIDUE DGD C 518 source : HC1 104) chain A residue 301 type sequence N description BINDING SITE FOR RESIDUE DGD C 518 source : HC1 105) chain A residue 305 type sequence S description BINDING SITE FOR RESIDUE DGD C 518 source : HC1 106) chain A residue 206 type sequence F description BINDING SITE FOR RESIDUE CLA D 401 source : HC4 107) chain A residue 41 type sequence L description BINDING SITE FOR RESIDUE PHO D 402 source : HC5 108) chain A residue 44 type sequence A description BINDING SITE FOR RESIDUE PHO D 402 source : HC5 109) chain A residue 45 type sequence T description BINDING SITE FOR RESIDUE PHO D 402 source : HC5 110) chain A residue 115 type sequence I description BINDING SITE FOR RESIDUE PHO D 402 source : HC5 111) chain A residue 126 type sequence Y description BINDING SITE FOR RESIDUE PHO D 402 source : HC5 112) chain A residue 130 type sequence Q description BINDING SITE FOR RESIDUE PHO D 402 source : HC5 113) chain A residue 147 type sequence Y description BINDING SITE FOR RESIDUE PHO D 402 source : HC5 114) chain A residue 150 type sequence P description BINDING SITE FOR RESIDUE PHO D 402 source : HC5 115) chain A residue 283 type sequence V description BINDING SITE FOR RESIDUE PHO D 402 source : HC5 116) chain A residue 52 type sequence F description BINDING SITE FOR RESIDUE PL9 D 404 source : HC7 117) chain A residue 234 type sequence N description BINDING SITE FOR RESIDUE LMG D 407 source : IC1 118) chain A residue 262 type sequence Y description BINDING SITE FOR RESIDUE LMG E 101 source : IC6 119) chain A residue 46 type sequence I description BINDING SITE FOR RESIDUE DGD b 602 source : MC7 120) 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 121) 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 122) 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 123) chain A residue 344 type SITE sequence A description Cleavage; by CtpA => ECO:0000255|HAMAP-Rule:MF_01379 source Swiss-Prot : SWS_FT_FI14 124) 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 125) 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 126) 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 127) chain A residue 191-217 type prosite sequence NILMHPFHQLGVAGVFGGALFCAMHGS description REACTION_CENTER Photosynthetic reaction center proteins signature. NilmhPfHqlGvagvfggalfcAmHGS source prosite : PS00244

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