2026-08-12 REL RCSB INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY EXPERIMENTAL_SUMMARY em_admin _em_admin.last_update STRUCTURE_SUMMARY chem_comp_atom chem_comp_bond em_admin pdbx_entry_details pdbx_modification_feature _em_admin.last_update _pdbx_entry_details.has_protein_modification REMEDIATION REPOSITORY Metalloprotein remediation STRUCTURE_SUMMARY chem_comp_atom chem_comp_bond em_admin pdbx_modification_feature pdbx_nonpoly_atom_coordination pdbx_nonpoly_atom_coordination_sphere pdbx_nonpoly_atom_coordination_sphere_order pdbx_struct_conn_angle pdbx_validate_chiral struct_conn _chem_comp_atom.pdbx_stereo_config _em_admin.last_update RCSB RCSB 2021-07-08 2021-12-29 2021-12-29 2026-08-12 Department of Energy (DOE, United States) DE-FG02-05ER15646 United States High-resolution structure of photosystem II from the mesophilic cyanobacterium, Synechocystis sp. PCC 6803 Gisriel CJ Brudvig GW Photosystem II, Cyanobacteria, Synechocystis 6803, Mesophile, CyanoQ, PHOTOSYNTHESIS Gisriel CJ Wang J Liu J Flesher DA Reiss KM Huang HL Yang KR Armstrong WH Gunner MR Batista VS Debus RJ Brudvig GW High-resolution cryo-electron microscopy structure of photosystem II from the mesophilic cyanobacterium, Synechocystis sp. PCC 6803. Proc.Natl.Acad.Sci.USA US 119 2022 34937700 doi:10.1073/pnas.2116765118 1091-6490 0040 PNASA6 7rcv FULLOVERLAP EMDB EMD-24407 associated EM volume
High-resolution structure of photosystem II from the mesophilic cyanobacterium, Synechocystis sp. PCC 6803
 Photosystem II Photosystem II 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 Synechocystis sp. PCC 6803 Photosystem II protein D1 2 Synechocystis sp. (strain PCC 6803 / Kazusa) PCC 6803 / Kazusa 0.039744116999999995 2 LEVO MTTTLQQRESASLWEQFCQWVTSTNNRIYVGWFGTLMIPTLLTATTCFIIAFIAAPPVDIDGIREPVAGSLLYGNNIISG AVVPSSNAIGLHFYPIWEAASLDEWLYNGGPYQLVVFHFLIGIFCYMGRQWELSYRLGMRPWICVAYSAPVSAATAVFLI YPIGQGSFSDGMPLGISGTFNFMIVFQAEHNILMHPFHMLGVAGVFGGSLFSAMHGSLVTSSLVRETTEVESQNYGYKFG QEEETYNIVAAHGYFGRLIFQYASFNNSRSLHFFLGAWPVIGIWFTAMGVSTMAFNLNGFNFNQSILDSQGRVIGTWADV LNRANIGFEVMHERNAHNFPLDLASGEQAPVALTAPAVNG P16033 1.10.3.9 Photosystem II CP47 reaction center protein Synechocystis sp. (strain PCC 6803 / Kazusa) PCC 6803 / Kazusa 0.055954355 2 LEVO MGLPWYRVHTVVLNDPGRLISVHLMHTALVAGWAGSMALYELAIFDSSDAVLNPMWRQGMFVLPFMARLGVTSSWNGWSV TGETGLDPGFWSFEGVAAAHIVLSGLLFLAAVWHWVFWDLELFVDPRTGESALDLPKMFGIHLFLSGLLCFGFGAFHLTG VWGPGMWVSDPYGLTGHVQPVAPEWGPAGFNPFNPGGVVAHHIAAGIVGIIAGLFHLTVRPPERLYKALRMGNIETVLSS SIAAVFFAAFVVAGTMWYGNATTPIELFGPTRYQWDKGYFQEEIQRRVDSQLAEGASLSEAWSTIPEKLAFYDYVGNSPA KGGLFRTGAMNSGDGIAQEWIGHPIFKDKEGRELEVRRMPNFFETFPVIMTDADGVVRADIPFRRSESKFSVEQTGVTVS FYGGALDGQTFSNPSDVKKFARKAQLGEGFDFDTETFNSDGVFRTSPRGWFTFGHAVFALLFFFGHIWHGSRTLFRDVFA GVDPGLEEQVEFGVFAKVGDLSTRKEA P05429 Photosystem II CP43 reaction center protein Synechocystis sp. (strain PCC 6803 / Kazusa) PCC 6803 / Kazusa 0.050344722999999994 2 LEVO MVTLSNTSMVGGRDLPSTGFAWWSGNARLINLSGKLLGAHVAHAGLIVFWAGAMTLFEVAHFIPEKPMYEQGLILLPHIA TLGWGVGPAGEVTDIFPFFVVGVLHLISSAVLGLGGIYHALRGPEVLEEYSSFFGYDWKDKNQMTNIIGYHLILLGCGAL LLVFKAMFFGGVYDTWAPGGGDVRVITNPTLNPAIIFGYLLKAPFGGEGWIISVNNMEDIIGGHIWIGLICISGGIWHIL TKPFGWARRALIWSGEAYLSYSLGALSLMGFIASVFVWFNNTAYPSEFYGPTGMEASQSQAFTFLVRDQRLGANIASAQG PTGLGKYLMRSPSGEIIFGGETMRFWDFRGPWLEPLRGPNGLDLDKLRNDIQPWQVRRAAEYMTHAPLGSLNSVGGVITD VNSFNYVSPRAWLATSHFVLGFFFLVGHLWHAGRARAAAAGFEKGIDRETEPTLFMPDLD P09193 Photosystem II D2 protein Synechocystis sp. (strain PCC 6803 / Kazusa) PCC 6803 / Kazusa 0.039519238 2 LEVO MTIAVGRAPVERGWFDVLDDWLKRDRFVFIGWSGLLLFPCAFMALGGWLTGTTFVTSWYTHGLASSYLEGANFLTVAVSS PADAFGHSLLFLWGPEAQGNLTRWFQIGGLWPFVALHGAFGLIGFMLRQFEISRLVGIRPYNAIAFSGPIAVFVSVFLMY PLGQSSWFFAPSFGVAGIFRFILFLQGFHNWTLNPFHMMGVAGILGGALLCAIHGATVENTLFEDGEDSNTFRAFEPTQA EETYSMVTANRFWSQIFGIAFSNKRWLHFFMLFVPVTGLWMSSVGIVGLALNLRAYDFVSQELRAAEDPEFETFYTKNIL LNEGMRAWMAPQDQPHENFIFPEEVLPRGNAL P09192 1.10.3.9 Cytochrome b559 subunit alpha Synechocystis sp. (strain PCC 6803 / Kazusa) PCC 6803 / Kazusa 0.009454576999999999 2 LEVO MSGTTGERPFSDIVTSIRYWVIHSITIPMLFIAGWLFVSTGLAYDAFGTPRPDEYFTQTRQELPILQERYDINQEIQEFN Q P09190 Cytochrome b559 subunit beta Synechocystis sp. (strain PCC 6803 / Kazusa) PCC 6803 / Kazusa 0.0049357839999999995 2 LEVO MATQNPNQPVTYPIFTVRWLAVHTLAVPSVFFVGAIAAMQFIQR P09191 Photosystem II reaction center protein H Synechocystis sp. (strain PCC 6803 / Kazusa) PCC 6803 / Kazusa 0.007120404 2 LEVO MAQRTRLGDILRPLNSEYGKVVPGWGTTPVMGVFMALFLVFLLIILQIYNSSLILEGFSVDWAG P14835 Photosystem II reaction center protein I Synechocystis sp. (strain PCC 6803 / Kazusa) PCC 6803 / Kazusa 0.004338119 2 LEVO (FME)LTLKIAVYIVVGLFISLFIFGFLSSDPTRNPGRKDFE Q54697 Photosystem II reaction center protein J Synechocystis sp. (strain PCC 6803 / Kazusa) PCC 6803 / Kazusa 0.003976687 2 LEVO (FME)FAEGRIPLWVVGVVAGIGAIGVLGLFFYGAYAGLGSSM P73070 Photosystem II reaction center protein K Synechocystis sp. (strain PCC 6803 / Kazusa) PCC 6803 / Kazusa 0.005114127 2 LEVO METIYLLAKLPEAYQIFDPLVDVLPVIPLFFLALAFVWQAAVGFK P15819 Photosystem II reaction center protein L Synechocystis sp. (strain PCC 6803 / Kazusa) PCC 6803 / Kazusa 0.004476145 2 LEVO MDRNSNPNRQPVELNRTSLYLGLLLVAVLGILFSSYFFN Q55354 Photosystem II reaction center protein M Synechocystis sp. (strain PCC 6803 / Kazusa) PCC 6803 / Kazusa 0.003910639 2 LEVO (FME)QVNNLGFIASILFVLVPTVFLLILFIQTGKQSES P72701 Photosystem II manganese-stabilizing polypeptide Synechocystis sp. (strain PCC 6803 / Kazusa) PCC 6803 / Kazusa 0.026959 2 LEVO AVDKSQLTYDDIVNTGLANVCPEISSFTRGTIEVEPNTKYFVSDFCMEPQEYFVKEEPVNKRQKAEYVKGKVLTRQTTSL EQIRGSIAVGADGTLTFKEKDGIDFQPITVLLPGGEEVPFFFTVKNFTGTTEPGFTSINSSTDFVGDFNVPSYRGAGFLD PKARGLYTGYDNAVALPSAADKFRTNKKETPLGKGTLSLQVTQVDGSTGEIAGIFESEQPSDTDLGAKEPLDVKVRGIFY GRVDTDV P10549 Sll1638 protein Synechocystis sp. (strain PCC 6803 / Kazusa) PCC 6803 / Kazusa 0.016494934 2 LEVO MSRLRSLLSLILVLVTTVLVSCSSPQVEIPTTYSPEKIAQLQVYVNPIAVARDGMEKRLQGLIADQNWVDTQTYIHGPLG QLRRDMLGLASSLLPKDQDKAKTLAKEVFGHLERLDAAAKDRNGSQAKIQYQEALADFDSFLNLLPQAS P73048 Photosystem II protein Y Synechocystis sp. (strain PCC 6803 / Kazusa) PCC 6803 / Kazusa 0.004204957999999999 2 LEVO MDWRVIVVVSPLLIAATWAAINIGAAAIRQLQDVLGREA P73676 Photosystem II reaction center protein T Synechocystis sp. (strain PCC 6803 / Kazusa) PCC 6803 / Kazusa 0.003571318 2 LEVO (FME)ESVAYILVLTMALAVLFFAIAFREPPRIEK P74787 Photosystem II 12 kDa extrinsic protein Synechocystis sp. (strain PCC 6803 / Kazusa) PCC 6803 / Kazusa 0.014256163 2 LEVO MKFISRLLVACSLLIGLMGFLGADLAQALTPNPILAELNAVDAKLTTDFGQKIDLNNSDIRDFRGLRGFYPNLASEIIKN APYDTVEEVLDIPGLSETQKSRLEANLGSFTVTEPSIELTSGDDRINPGVY Q55332 Cytochrome c-550 Synechocystis sp. (strain PCC 6803 / Kazusa) PCC 6803 / Kazusa 0.017901044999999997 2 LEVO MKRFFLVAIASVLFFFNTMVGSANAVELTESTRTIPLDEAGGTTTLTARQFTNGQKIFVDTCTQCHLQGKTKTNNNVSLG LADLAGAEPRRDNVLALVEFLKNPKSYDGEDDYSELHPNISRPDIYPEMRNYTEDDIFDVAGYTLIAPKLDERWGGTIYF Q55013 Photosystem II reaction center X protein Synechocystis sp. (strain PCC 6803 / Kazusa) PCC 6803 / Kazusa 0.004189036 2 LEVO MTPSLANFLWSLVLGAAIVLIPATVGLIFISQKDKITRS P72575 Photosystem II reaction center protein Ycf12 Synechocystis sp. (strain PCC 6803 / Kazusa) PCC 6803 / Kazusa 0.004143993 2 LEVO MELLAALNLEPIFQLTFLGLIVLAGPAVVFVLAFRGGDL Q55438 Photosystem II reaction center protein Z Synechocystis sp. (strain PCC 6803 / Kazusa) PCC 6803 / Kazusa 0.006736161 2 LEVO MSIVFQIALAALVLFSFVMVVGVPVAYASPQNWDRSKPLLYLGSGIWAILVIVVALLNFLVV P73528 CA-MN4-O5 CLUSTER 0.00033982699999999996 2 OEX FE (II) ION 5.5845e-05 2 FE2 CHLORIDE ION 3.5453e-05 4 CL CHLOROPHYLL A 0.000893489 70 CLA PHEOPHYTIN A 0.0008712 4 PHO BETA-CAROTENE 0.000536873 18 BCR 1,2-DI-O-ACYL-3-O-[6-DEOXY-6-SULFO-ALPHA-D-GLUCOPYRANOSYL]-SN-GLYCEROL 0.0007951159999999999 14 SQD 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE 0.0007871579999999999 12 LMG 2,3-DIMETHYL-5-(3,7,11,15,19,23,27,31,35-NONAMETHYL-2,6,10,14,18,22,26,30,34-HEXATRIACONTANONAENYL-2,5-CYCLOHEXADIENE-1,4-DIONE-2,3-DIMETHYL-5-SOLANESYL-1,4-BENZOQUINONE 0.000749201 4 PL9 DODECYL-BETA-D-MALTOSIDE 0.000510615 62 LMT BICARBONATE ION 6.1017e-05 2 BCT 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE 0.00072297 14 LHG DIGALACTOSYL DIACYL GLYCEROL (DGDG) 0.0009492989999999999 8 DGD PROTOPORPHYRIN IX CONTAINING FE 0.000616487 4 HEM CALCIUM ION 4.0078e-05 6 CA (3R)-beta,beta-caroten-3-ol 0.0005528719999999999 2 RRX water 1.8015e-05 1236 HOH singleParticle particle 6.8 ETHANE FEI TITAN KRIOS FLOOD BEAM BRIGHT FIELD FIELD EMISSION GUN 300 GATAN K3 (6k x 4k) 40.8 1 PHASE FLIPPING AND AMPLITUDE CORRECTION 2.01 FSC 0.143 CUT-OFF 202844 MAXIMUM LIKELIHOOD MAXIMUM LIKELIHOOD emd_24407.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 384 384 384 0 0 0 384 384 384 319.488 319.488 319.488 90.0 90.0 90.0 X Y Z -0.036043998 0.10133186 0.00007573805 0.0015736797 0.832 0.832 0.832 0.0035 AUTHOR Photosystem II from Synechocystis sp. PCC 6803 at low dose sharpened emd_24407_additional_1.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 384 384 384 0 0 0 384 384 384 319.488 319.488 319.488 90.0 90.0 90.0 X Y Z -0.016356353 0.0702698 0.00014038055 0.002392118 0.832 0.832 0.832 AUTHOR Photosystem II from Synechocystis sp. PCC 6803 at low dose unsharpened