The PSI1-IsiA13 complex with double-layered IsiA proteins bound to the monomeric PSI core

2026-01-28 REL PDBc INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY DATABASE_REFERENCES citation em_admin _citation.journal_volume _citation.page_first _citation.page_last _em_admin.last_update EXPERIMENTAL_SUMMARY citation em_admin _citation.journal_volume _citation.page_first _citation.page_last _em_admin.last_update PDBj PDBc 2025-02-21 2025-12-31 2025-12-31 2026-01-28 National Natural Science Foundation of China (NSFC) 31930064, 32070259 China The PSI1-IsiA13 complex with double-layered IsiA proteins bound to the monomeric PSI core Si L Cao P Li M Photosystem-antenna Complex, PHOTOSYNTHESIS Si L Zhang Y Su X Zhao X An X Liu LN Cao P Li M Structural basis for the assembly and energy transfer between the cyanobacterial PSI core and the double-layered IsiA proteins. Nat Commun UK 17 592 592 2025 41422266 doi:10.1038/s41467-025-67295-2 2041-1723 9lzk FULLOVERLAP EMDB EMD-63528 associated EM volume

Complex of monomeric Photosystem I core associated with 13 iron stress-induced protein A Complex of monomeric Photosystem I core associated with 13 iron stress-induced protein A 0 1 2 3 4 5 6 7 8 9 10 11 12 Thermosynechococcus vestitus BP-1 Iron stress-induced chlorophyll-binding protein Thermosynechococcus vestitus BP-1 0.039284332 13 LEVO MAIASESPTTVTSAGLQTYGQTNVKYDWWAGNARFVNLSGLFIAAHVAQAALSVFWAGAFTLYEISQYKPDLPMGEQGLI LLPHLATLGFGIGEGGKVVDLYPYFVIGAVHLISSAVLGAGALFHTFRAPHDLSTATGRARRFHFRWDDPKQLGIILGHH LLFLGFGALLLVLKATIWGGLYDANLQTVRLITQPTLDPFVIYGYQTHFASINSLEDLVGGHIYIAILLIAGGIWHILVP PLTWARKLLMFNAEAILSYSLGGIALAGFVAAYFCAVNTLAYPVEFYGPPLEVKLGIAPYFADTIELPLGQHTSRAWLAN AHFFLAFFFLQGHLWHALRAMGFNFKQLETFLNPAIEN Q8DK20 Photosystem I P700 chlorophyll a apoprotein A1 Thermosynechococcus vestitus BP-1 0.083267773 1 LEVO MTISPPEREPKVRVVVDNDPVPTSFEKWAKPGHFDRTLARGPQTTTWIWNLHALAHDFDTHTSDLEDISRKIFSAHFGHL AVVFIWLSGMYFHGAKFSNYEAWLADPTGIKPSAQVVWPIVGQGILNGDVGGGFHGIQITSGLFQLWRASGITNEFQLYC TAIGGLVMAGLMLFAGWFHYHKRAPKLEWFQNVESMLNHHLAGLLGLGSLAWAGHQIHVSLPINKLLDAGVAAKDIPLPH EFILNPSLMAELYPKVDWGFFSGVIPFFTFNWAAYSDFLTFNGGLNPVTGGLWLSDTAHHHLAIAVLFIIAGHMYRTNWG IGHSLKEILEAHKGPFTGAGHKGLYEVLTTSWHAQLAINLAMMGSLSIIVAQHMYAMPPYPYLATDYPTQLSLFTHHMWI GGFLVVGGAAHGAIFMVRDYDPAMNQNNVLDRVLRHRDAIISHLNWVCIFLGFHSFGLYVHNDTMRAFGRPQDMFSDTGI QLQPVFAQWVQNLHTLAPGGTAPNAAATASVAFGGDVVAVGGKVAMMPIVLGTADFMVHHIHAFTIHVTVLILLKGVLFA RSSRLIPDKANLGFRFPCDGPGRGGTCQVSGWDHVFLGLFWMYNCISVVIFHFSWKMQSDVWGTVAPDGTVSHITGGNFA QSAITINGWLRDFLWAQASQVIGSYGSALSAYGLLFLGAHFIWAFSLMFLFSGRGYWQELIESIVWAHNKLKVAPAIQPR ALSIIQGRAVGVAHYLLGGIATTWAFFLARIISVG P0A405 1.97.1.12 Photosystem I P700 chlorophyll a apoprotein A2 Thermosynechococcus vestitus BP-1 0.083123648 1 LEVO MATKFPKFSQDLAQDPTTRRIWYAIAMAHDFESHDGMTEENLYQKIFASHFGHLAIIFLWVSGSLFHVAWQGNFEQWVQD PVNTRPIAHAIWDPQFGKAAVDAFTQAGASNPVDIAYSGVYHWWYTIGMRTNGDLYQGAIFLLILASLALFAGWLHLQPK FRPSLSWFKNAESRLNHHLAGLFGVSSLAWAGHLIHVAIPESRGQHVGWDNFLSTMPHPAGLAPFFTGNWGVYAQNPDTA SHVFGTAQGAGTAILTFLGGFHPQTESLWLTDMAHHHLAIAVLFIVAGHMYRTQFGIGHSIKEMMDAKDFFGTKVEGPFN MPHQGIYETYNNSLHFQLGWHLACLGVITSLVAQHMYSLPPYAFIAQDHTTMAALYTHHQYIAGFLMVGAFAHGAIFLVR DYDPAQNKGNVLDRVLQHKEAIISHLSWVSLFLGFHTLGLYVHNDVVVAFGTPEKQILIEPVFAQFIQAAHGKLLYGFDT LLSNPDSIASTAWPNYGNVWLPGWLDAINSGTNSLFLTIGPGDFLVHHAIALGLHTTTLILVKGALDARGSKLMPDKKDF GYAFPCDGPGRGGTCDISAWDAFYLAMFWMLNTIGWVTFYWHWKHLGVWEGNVAQFNESSTYLMGWLRDYLWLNSSQLIN GYNPFGTNNLSVWAWMFLFGHLVWATGFMFLISWRGYWQELIETLVWAHERTPLANLVRWKDKPVALSIVQARLVGLAHF SVGYILTYAAFLIASTAAKFG P0A407 1.97.1.12 Photosystem I iron-sulfur center Thermosynechococcus vestitus BP-1 0.008809207 1 LEVO MAHTVKIYDTCIGCTQCVRACPTDVLEMVPWDGCKAGQIASSPRTEDCVGCKRCETACPTDFLSIRVYLGAETTRSMGLA Y P0A415 1.97.1.12 Photosystem I reaction center subunit II Thermosynechococcus vestitus BP-1 0.015389494 1 LEVO MTTLTGQPPLYGGSTGGLLSAADTEEKYAITWTSPKEQVFEMPTAGAAVMREGENLVYFARKEQCLALAAQQLRPRKIND YKIYRIFPDGETVLIHPKDGVFPEKVNKGREAVNSVPRSIGQNPNPSQLKFTGKKPYDP P0A420 Photosystem I reaction center subunit IV Thermosynechococcus vestitus BP-1 0.008399485 1 LEVO MVQRGSKVKILRPESYWYNEVGTVASVDQTPGVKYPVIVRFDKVNYTGYSGSASGVNTNNFALHEVQEVAPPKKGK P0A423 Photosystem I reaction center subunit III Thermosynechococcus vestitus BP-1 0.017716586 1 LEVO MRRFLALLLVLTLWLGFTPLASADVAGLVPCKDSPAFQKRAAAAVNTTADPASGQKRFERYSQALCGEDGLPHLVVDGRL SRAGDFLIPSVLFLYIAGWIGWVGRAYLIAVRNSGEANEKEIIIDVPLAIKCMLTGFAWPLAALKELASGELTAKDNEIT VSPR P0A401 Photosystem I reaction center subunit VIII Thermosynechococcus vestitus BP-1 0.0042972340000000005 1 LEVO MMGSYAASFLPWIFIPVVCWLMPTVVMGLLFLYIEGEA P0A427 Photosystem I reaction center subunit IX Thermosynechococcus vestitus BP-1 0.004770698 1 LEVO MKHFLTYLSTAPVLAAIWMTITAGILIEFNRFYPDLLFHPL P0A429 Photosystem I reaction center subunit PsaK Thermosynechococcus vestitus BP-1 0.008483983 1 LEVO MVLATLPDTTWTPSVGLVVILCNLFAIALGRYAIQSRGKGPGLPIALPALFEGFGLPELLATTSFGHLLAAGVVSGLQYA GAL P0A425 Photosystem I reaction center subunit XII Thermosynechococcus vestitus BP-1 0.0034261149999999995 1 LEVO MALTDTQVYVALVIALLPAVLAFRLSTELYK P0A403 Photosystem I 4.8K protein Thermosynechococcus vestitus BP-1 0.004424317 1 LEVO MSTMATKSAKPTYAFRTFWAVLLLAINFLVAAYYFGILK Q8DKP6 CHLOROPHYLL A 0.000893489 313 CLA BETA-CAROTENE 0.000536873 73 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 6 LMG 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE 0.00072297 5 LHG PHYLLOQUINONE 0.000450696 2 PQN IRON/SULFUR CLUSTER 0.00035163999999999996 3 SF4 DODECYL-ALPHA-D-MALTOSIDE 0.000510615 4 LMU singleParticle particle 7.5 ETHANE FEI TALOS ARCTICA FLOOD BEAM BRIGHT FIELD FIELD EMISSION GUN 200 1.2 2.5 GATAN K2 BASE (4k x 4k) 60.0 1 PHASE FLIPPING AND AMPLITUDE CORRECTION 6K33 3.5 FSC 0.143 CUT-OFF 55670 PROJECTION MATCHING PROJECTION MATCHING emd_63528.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 350 350 350 0 0 0 350 350 350 350.0 350.0 350.0 90.0 90.0 90.0 X Y Z -0.055413913 0.13516276 0.0006032992 0.004089132 1.0 1.0 1.0 0.023 AUTHOR ::::EMDATABANK.org::::EMD-63528:::: emd_63528_half_map_2.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 350 350 350 0 0 0 350 350 350 350.0 350.0 350.0 90.0 90.0 90.0 X Y Z -0.038199913 0.08696569 0.0003490698 0.0057913563 1.0 1.0 1.0 AUTHOR ::::EMDATABANK.org::::EMD-63528:::: emd_63528_half_map_1.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 350 350 350 0 0 0 350 350 350 350.0 350.0 350.0 90.0 90.0 90.0 X Y Z -0.04385291 0.0918727 0.00034856919 0.005792747 1.0 1.0 1.0 AUTHOR ::::EMDATABANK.org::::EMD-63528::::