2026-08-12 REL RCSB INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY STRUCTURE_SUMMARY em_admin struct _em_admin.last_update _em_admin.title _struct.title EXPERIMENTAL_SUMMARY em_admin _em_admin.last_update _em_admin.title STRUCTURE_SUMMARY em_admin em_entity_assembly em_entity_assembly_naturalsource entity entity_poly entity_poly_seq entity_src_gen entity_src_nat pdbx_poly_seq_scheme pdbx_unobs_or_zero_occ_residues struct_ref_seq_dif _em_admin.last_update _em_entity_assembly.source _entity.formula_weight _entity.src_method _entity_poly.pdbx_seq_one_letter_code _entity_poly.pdbx_seq_one_letter_code_can STRUCTURE_SUMMARY em_admin em_entity_assembly em_entity_assembly_naturalsource entity entity_poly entity_src_gen entity_src_nat struct_ref_seq_dif _em_admin.last_update _em_entity_assembly.source _entity.formula_weight _entity.src_method _entity_poly.pdbx_seq_one_letter_code _entity_poly.pdbx_seq_one_letter_code_can DATABASE_REFERENCES citation em_admin _citation.country _citation.journal_abbrev _citation.journal_id_ASTM _citation.journal_id_CSD _citation.journal_id_ISSN _citation.journal_volume _citation.page_first _citation.page_last _citation.pdbx_database_id_DOI _citation.pdbx_database_id_PubMed _citation.title _citation.year _em_admin.last_update 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 _chem_comp_atom.pdbx_stereo_config _em_admin.last_update EXPERIMENTAL_SUMMARY em_admin _em_admin.last_update RCSB RCSB 2025-07-09 2025-10-22 2025-10-22 2026-08-12 Department of Energy (DOE, United States) United States Structure of the D1-Val185Asn mutated photosystem II complex with slow O-O bond formation reveals changes in the Cl1 water channel Flesher DA Debus RJ Brudvig GW photosynthesis, photosystem II, water oxidation, oxygen-evolving complex, D1-V185N Flesher DA Debus RJ Brudvig GW Structure of the D1-Val185Asn mutated photosystem II complex with slow O-O bond formation reveals changes in the Cl1 water channel. Proc.Natl.Acad.Sci.USA US 122 e2522652122 e2522652122 2025 41237214 doi:10.1073/pnas.2522652122 1091-6490 0040 PNASA6 9phw FULLOVERLAP EMDB EMD-71652 associated EM volume
Structure of a mutated PSII complex that slows O-O bond formation by perturbing the proton transfer pathway
 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
photosystem II containing the V185N substitution on the D1 subunit
 Photosystem II protein D1 2 Synechocystis sp. PCC 6803 0.038295499999999996 2 Synechocystis sp. PCC 6803 LEVO MTTTLQQRESASLWEQFCQWVTSTNNRIYVGWFGTLMIPTLLTATTCFIIAFIAAPPVDIDGIREPVAGSLLYGNNIISG AVVPSSNAIGLHFYPIWEAASLDEWLYNGGPYQLVVFHFLIGIFCYMGRQWELSYRLGMRPWICVAYSAPVSAATAVFLI YPIGQGSFSDGMPLGISGTFNFMINFQAEHNILMHPFHMLGVAGVFGGSLFSAMHGSLVTSSLVRETTEVESQNYGYKFG QEEETYNIVAAHGYFGRLIFQYASFNNSRSLHFFLGAWPVIGIWFTAMGVSTMAFNLNGFNFNQSILDSQGRVIGTWADV LNRANIGFEVMHERNAHNFPLDLA P16033 1.10.3.9 Photosystem II CP47 reaction center protein Synechocystis sp. PCC 6803 0.056783242 2 Synechocystis sp. PCC 6803 LEVO MGLPWYRVHTVVLNDPGRLISVHLMHTALVAGWAGSMALYELAIFDSSDAVLNPMWRQGMFVLPFMARLGVTSSWNGWSV TGETGLDPGFWSFEGVAAAHIVLSGLLFLAAVWHWVFWDLELFVDPRTGESALDLPKMFGIHLFLSGLLCFGFGAFHLTG VWGPGMWVSDPYGLTGHVQPVAPEWGPAGFNPFNPGGVVAHHIAAGIVGIIAGLFHLTVRPPERLYKALRMGNIETVLSS SIAAVFFAAFVVAGTMWYGNATTPIELFGPTRYQWDKGYFQEEIQRRVDSQLAEGASLSEAWSTIPEKLAFYDYVGNSPA KGGLFRTGAMNSGDGIAQEWIGHPIFKDKEGRELEVRRMPNFFETFPVIMTDADGVVRADIPFRRSESKFSVEQTGVTVS FYGGALDGQTFSNPSDVKKFARKAQLGEGFDFDTETFNSDGVFRTSPRGWFTFGHAVFALLFFFGHIWHGSRTLFRDVFA GVDPGLEEQVEFGVFAKVGDLSTRKEAHHHHHH P05429 Photosystem II CP43 reaction center protein Synechocystis sp. PCC 6803 0.050344722999999994 2 LEVO MVTLSNTSMVGGRDLPSTGFAWWSGNARLINLSGKLLGAHVAHAGLIVFWAGAMTLFEVAHFIPEKPMYEQGLILLPHIA TLGWGVGPAGEVTDIFPFFVVGVLHLISSAVLGLGGIYHALRGPEVLEEYSSFFGYDWKDKNQMTNIIGYHLILLGCGAL LLVFKAMFFGGVYDTWAPGGGDVRVITNPTLNPAIIFGYLLKAPFGGEGWIISVNNMEDIIGGHIWIGLICISGGIWHIL TKPFGWARRALIWSGEAYLSYSLGALSLMGFIASVFVWFNNTAYPSEFYGPTGMEASQSQAFTFLVRDQRLGANIASAQG PTGLGKYLMRSPSGEIIFGGETMRFWDFRGPWLEPLRGPNGLDLDKLRNDIQPWQVRRAAEYMTHAPLGSLNSVGGVITD VNSFNYVSPRAWLATSHFVLGFFFLVGHLWHAGRARAAAAGFEKGIDRETEPTLFMPDLD P09193 Photosystem II D2 protein Synechocystis sp. PCC 6803 0.039519238 2 LEVO MTIAVGRAPVERGWFDVLDDWLKRDRFVFIGWSGLLLFPCAFMALGGWLTGTTFVTSWYTHGLASSYLEGANFLTVAVSS PADAFGHSLLFLWGPEAQGNLTRWFQIGGLWPFVALHGAFGLIGFMLRQFEISRLVGIRPYNAIAFSGPIAVFVSVFLMY PLGQSSWFFAPSFGVAGIFRFILFLQGFHNWTLNPFHMMGVAGILGGALLCAIHGATVENTLFEDGEDSNTFRAFEPTQA EETYSMVTANRFWSQIFGIAFSNKRWLHFFMLFVPVTGLWMSSVGIVGLALNLRAYDFVSQELRAAEDPEFETFYTKNIL LNEGMRAWMAPQDQPHENFIFPEEVLPRGNAL P09192 Cytochrome b559 subunit alpha Synechocystis sp. PCC 6803 0.009454576999999999 2 LEVO MSGTTGERPFSDIVTSIRYWVIHSITIPMLFIAGWLFVSTGLAYDAFGTPRPDEYFTQTRQELPILQERYDINQEIQEFN Q P09190 Cytochrome b559 subunit beta Synechocystis sp. PCC 6803 0.0049357839999999995 2 LEVO MATQNPNQPVTYPIFTVRWLAVHTLAVPSVFFVGAIAAMQFIQR P09191 Photosystem II reaction center protein H Synechocystis sp. PCC 6803 0.007120404 2 LEVO MAQRTRLGDILRPLNSEYGKVVPGWGTTPVMGVFMALFLVFLLIILQIYNSSLILEGFSVDWAG P14835 Photosystem II reaction center protein I Synechocystis sp. PCC 6803 0.004338119 2 LEVO (FME)LTLKIAVYIVVGLFISLFIFGFLSSDPTRNPGRKDFE Q54697 Photosystem II reaction center protein J Synechocystis sp. PCC 6803 0.0034701159999999997 2 LEVO GRIPLWVVGVVAGIGAIGVLGLFFYGAYAGLGSSM P73070 Photosystem II reaction center protein K Synechocystis sp. PCC 6803 0.005114127 2 LEVO METIYLLAKLPEAYQIFDPLVDVLPVIPLFFLALAFVWQAAVGFK P15819 Photosystem II reaction center protein L Synechocystis sp. PCC 6803 0.004476145 2 LEVO MDRNSNPNRQPVELNRTSLYLGLLLVAVLGILFSSYFFN Q55354 Photosystem II reaction center protein M Synechocystis sp. PCC 6803 0.003910639 2 LEVO (FME)QVNNLGFIASILFVLVPTVFLLILFIQTGKQSES P72701 Photosystem II manganese-stabilizing polypeptide Synechocystis sp. PCC 6803 0.029939583999999998 2 LEVO MRFRPSIVALLSVCFGLLTFLYSGSAFAVDKSQLTYDDIVNTGLANVCPEISSFTRGTIEVEPNTKYFVSDFCMEPQEYF VKEEPVNKRQKAEYVKGKVLTRQTTSLEQIRGSIAVGADGTLTFKEKDGIDFQPITVLLPGGEEVPFFFTVKNFTGTTEP GFTSINSSTDFVGDFNVPSYRGAGFLDPKARGLYTGYDNAVALPSAADKFRTNKKETPLGKGTLSLQVTQVDGSTGEIAG IFESEQPSDTDLGAKEPLDVKVRGIFYGRVDTDV P10549 Sll1638 protein Synechocystis sp. PCC 6803 0.016494934 2 LEVO MSRLRSLLSLILVLVTTVLVSCSSPQVEIPTTYSPEKIAQLQVYVNPIAVARDGMEKRLQGLIADQNWVDTQTYIHGPLG QLRRDMLGLASSLLPKDQDKAKTLAKEVFGHLERLDAAAKDRNGSQAKIQYQEALADFDSFLNLLPQAS P73048 Photosystem II protein Y Synechocystis sp. PCC 6803 0.004204957999999999 2 LEVO MDWRVIVVVSPLLIAATWAAINIGAAAIRQLQDVLGREA P73676 Photosystem II reaction center protein T Synechocystis sp. PCC 6803 0.003571318 2 LEVO (FME)ESVAYILVLTMALAVLFFAIAFREPPRIEK P74787 Photosystem II 12 kDa extrinsic protein Synechocystis sp. PCC 6803 0.014256163 2 LEVO MKFISRLLVACSLLIGLMGFLGADLAQALTPNPILAELNAVDAKLTTDFGQKIDLNNSDIRDFRGLRGFYPNLASEIIKN APYDTVEEVLDIPGLSETQKSRLEANLGSFTVTEPSIELTSGDDRINPGVY Q55332 Cytochrome c-550 Synechocystis sp. PCC 6803 0.017901044999999997 2 LEVO MKRFFLVAIASVLFFFNTMVGSANAVELTESTRTIPLDEAGGTTTLTARQFTNGQKIFVDTCTQCHLQGKTKTNNNVSLG LADLAGAEPRRDNVLALVEFLKNPKSYDGEDDYSELHPNISRPDIYPEMRNYTEDDIFDVAGYTLIAPKLDERWGGTIYF Q55013 Photosystem II reaction center X protein Synechocystis sp. PCC 6803 0.004189036 2 LEVO MTPSLANFLWSLVLGAAIVLIPATVGLIFISQKDKITRS P72575 Photosystem II reaction center protein Ycf12 Synechocystis sp. PCC 6803 0.004143993 2 LEVO MELLAALNLEPIFQLTFLGLIVLAGPAVVFVLAFRGGDL Q55438 Photosystem II reaction center protein Z Synechocystis sp. PCC 6803 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-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE 0.0007871579999999999 14 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 1,2-DI-O-ACYL-3-O-[6-DEOXY-6-SULFO-ALPHA-D-GLUCOPYRANOSYL]-SN-GLYCEROL 0.0007951159999999999 14 SQD 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 (3R)-beta,beta-caroten-3-ol 0.0005528719999999999 2 RRX CALCIUM ION 4.0078e-05 6 CA water 1.8015e-05 1016 HOH singleParticle particle 6.8 ETHANE TFS KRIOS FLOOD BEAM BRIGHT FIELD FIELD EMISSION GUN 300 0.8 2.0 GATAN K3 (6k x 4k) 49.6 1 PHASE FLIPPING AND AMPLITUDE CORRECTION 7N8O C2 1.99 FSC 0.143 CUT-OFF RELION 72628 MAXIMUM LIKELIHOOD MAXIMUM LIKELIHOOD RELION emd_71652.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 600 600 600 0 0 0 600 600 600 389.4 389.4 389.4 90.0 90.0 90.0 X Y Z -0.007604189 0.03181528 0.00003542594 0.00068686286 0.649 0.649 0.649 0.0022 AUTHOR unsharpened map, nonmasked emd_71652_additional_1.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 600 600 600 0 0 0 600 600 600 389.4 389.4 389.4 90.0 90.0 90.0 X Y Z -0.01708449 0.05659799 0.000035424637 0.0012988094 0.649 0.649 0.649 AUTHOR sharpened map, nonmasked emd_71652_half_map_2.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 600 600 600 0 0 0 600 600 600 389.4 389.4 389.4 90.0 90.0 90.0 X Y Z -0.017308583 0.040377386 0.000035568846 0.0017047838 0.649 0.649 0.649 AUTHOR half map 2 emd_71652_half_map_1.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 600 600 600 0 0 0 600 600 600 389.4 389.4 389.4 90.0 90.0 90.0 X Y Z -0.018236939 0.041947976 0.000035280398 0.001712207 0.649 0.649 0.649 AUTHOR half map 1