2026-02-14_00000249|medium|9KZH

Cryo-EM structure of the RC complex from Rhodospirillum rubrum; Electron microscopy 2.74Å
Protein #1 276 residues (100% resolved)

MALLSFERKYRVRGGTLIGGDLFDFWVGPFYVGFFGVTTLLFTVLGTALIVWGAALGPSWTFWQISINPPDVSYGLAMAPMAKGGLWQIITFSAIGAFVSWALREVEICRKLGIGYHIPFAFGFAILAYVSLVVIRPVMMGAWGYGFPYGFMTHLDWVSNTGYQYANFHYNPAHMLGITLFFTTCLALALHGSLILSAANPGKGEVVKGPEHENTYFQDTIGYSVGTLGIHRVGLILALSAVVWSIICMILSGPIYTGSWPDWWLWWQKLPFWNHG

MALLSFERKYRVRGGTLIGGDLFDFWVGPFYVGFFGVTTLLFTVLGTALIVWGAALGPSWTFWQISINPPDVSYGLAMAPMAKGGLWQIITFSAIGAFVSWALREVEICRKLGIGYHIPFAFGFAILAYVSLVVIRPVMMGAWGYGFPYGFMTHLDWVSNTGYQYANFHYNPAHMLGITLFFTTCLALALHGSLILSAANPGKGEVVKGPEHENTYFQDTIGYSVGTLGIHRVGLILALSAVVWSIICMILSGPIYTGSWPDWWLWWQKLPFWNHG
Protein #2 306 residues (100% resolved)

MSEYQNILTGVQVRTAPHSAPIAKGIFPRLGKPGFSYWLGKIGDAQIGPIYLGTTGVLSLVFGFFAIEIIGFNLLASVNWSPMEFGRQFFWLGLEPPAAEYGLGFAPLAEGGWWQIAGFFLTTSILLWWVRMYRRARALKMGTHTAWAFASAIFLFLSLGFIRPLLMGNFSESVPFGIFPHLEWTNSFSLNYGNFFYNPFHMLSIAFLYGSALLFAMHGATILAVSRLGGDREVEQITDRGTAAERAALFWRWTMGFNATMESIHRWAWWFAVLCTFTGAIGILLTGTVVDNWFEWGVKHGLAPAP

MSEYQNILTGVQVRTAPHSAPIAKGIFPRLGKPGFSYWLGKIGDAQIGPIYLGTTGVLSLVFGFFAIEIIGFNLLASVNWSPMEFGRQFFWLGLEPPAAEYGLGFAPLAEGGWWQIAGFFLTTSILLWWVRMYRRARALKMGTHTAWAFASAIFLFLSLGFIRPLLMGNFSESVPFGIFPHLEWTNSFSLNYGNFFYNPFHMLSIAFLYGSALLFAMHGATILAVSRLGGDREVEQITDRGTAAERAALFWRWTMGFNATMESIHRWAWWFAVLCTFTGAIGILLTGTVVDNWFEWGVKHGLAPAP
Protein #3 257 residues (100% resolved)

MNKGDITGYMDVAQVVLYAFWIFFAGLIIYLRREDRREGYPLEDAISGKINSLQGLGSVFSIARPKIFKLKTGATYAAPNFKRDAVAIKATRTAPTAGAPFEPTGNPMTDAVGPAAYALRDELPDLTLGGQPAIVPLRVAPTFSVAAEDTDPRGLPVVDRKGAVAGKVTDLWIDRASIAIRYLEVELAATPGRKVLLPFAATRINAKTKSKTVTVQSILARHFANVPTIAKTDSITRREEDKVMAYYSSGYLYSDRV

MNKGDITGYMDVAQVVLYAFWIFFAGLIIYLRREDRREGYPLEDAISGKINSLQGLGSVFSIARPKIFKLKTGATYAAPNFKRDAVAIKATRTAPTAGAPFEPTGNPMTDAVGPAAYALRDELPDLTLGGQPAIVPLRVAPTFSVAAEDTDPRGLPVVDRKGAVAGKVTDLWIDRASIAIRYLEVELAATPGRKVLLPFAATRINAKTKSKTVTVQSILARHFANVPTIAKTDSITRREEDKVMAYYSSGYLYSDRV
Non polymer #4 07D

InChI=1S/C55H65N4O6.Mg/c1-13-39-34(7)41-29-46-48(38(11)60)36(9)43(57-46)27-42-35(8)40(52(58-42)50-51(55(63)64-12)54(62)49-37(10)44(59-53(49)50)28-45(39)56-41)23-24-47(61)65-26-25-33(6)22-16-21-32(5)20-15-19-31(4)18-14-17-30(2)3;/h17,19,21,25,27-29,51H,13-16,18,20,22-24,26H2,1-12H3,(H-,56,57,58,59,60,62);/q-1;+2/p-1/b31-19+,32-21+,33-25+,41-29-,42-27-,43-27-,44-28-,45-28-,46-29-,52-50-;/t51-;/m1./s1

CCc1c(c2n3c1C=C4C(=C5C(=O)[C@@H](C6=C7C(=C(C8=CC9=[N]([Mg]3(N87)[N]4=C65)C(=C2)C(=C9C)C(=O)C)C)CCC(=O)OC/C=C(\C)/CC/C=C(\C)/CC/C=C(\C)/CCC=C(C)C)C(=O)OC)C)C
Non polymer #5 08I

InChI=1S/C55H66N4O6/c1-13-39-34(7)41-29-46-48(38(11)60)36(9)43(57-46)27-42-35(8)40(52(58-42)50-51(55(63)64-12)54(62)49-37(10)44(59-53(49)50)28-45(39)56-41)23-24-47(61)65-26-25-33(6)22-16-21-32(5)20-15-19-31(4)18-14-17-30(2)3/h17,19,21,25,27-29,51,56,58H,13-16,18,20,22-24,26H2,1-12H3/b31-19+,32-21+,33-25+,41-29-,42-27-,43-27-,44-28-,45-28-,46-29-,52-50-/t51-/m1/s1

CCc1c(c2/cc/3\nc(/cc\4/c(c(/c(/[nH]4)c\5/c6n/c(c\c1[nH]2)/C(=C6C(=O)[C@@H]5C(=O)OC)C)CCC(=O)OC/C=C(\C)/CC/C=C(\C)/CC/C=C(\C)/CCC=C(C)C)C)C(=C3C(=O)C)C)C
Non polymer #6 8K6

InChI=1S/C18H38/c1-3-5-7-9-11-13-15-17-18-16-14-12-10-8-6-4-2/h3-18H2,1-2H3

CCCCCCCCCCCCCCCCCC
Non polymer #7 CDL

InChI=1S/C81H158O17P2/c1-5-9-13-17-21-25-29-33-37-41-45-49-53-57-61-65-78(83)91-71-76(97-80(85)67-63-59-55-51-47-43-39-35-31-27-23-19-15-11-7-3)73-95-99(87,88)93-69-75(82)70-94-100(89,90)96-74-77(98-81(86)68-64-60-56-52-48-44-40-36-32-28-24-20-16-12-8-4)72-92-79(84)66-62-58-54-50-46-42-38-34-30-26-22-18-14-10-6-2/h75-77,82H,5-74H2,1-4H3,(H,87,88)(H,89,90)/p-2/t76-,77-/m1/s1

CCCCCCCCCCCCCCCCCC(=O)OC[C@H](COP(=O)([O-])OCC(COP(=O)([O-])OC[C@@H](COC(=O)CCCCCCCCCCCCCCCCC)OC(=O)CCCCCCCCCCCCCCCCC)O)OC(=O)CCCCCCCCCCCCCCCCC
Non polymer #8 CRT

InChI=1S/C42H60O2/c1-35(23-15-25-37(3)27-17-29-39(5)31-19-33-41(7,8)43-11)21-13-14-22-36(2)24-16-26-38(4)28-18-30-40(6)32-20-34-42(9,10)44-12/h13-32H,33-34H2,1-12H3/b14-13-,23-15+,24-16+,27-17+,28-18+,31-19+,32-20+,35-21+,36-22+,37-25+,38-26+,39-29+,40-30+

C/C(=C\C=C\C(=C\C=C\C(=C\C=C/C=C(\C)/C=C/C=C(\C)/C=C/C=C(\C)/C=C/CC(C)(C)OC)\C)\C)/C=CCC(C)(C)OC
Non polymer #9 FE

InChI=1S/Fe/q+3

[Fe+3]
Non polymer #10 LMT

InChI=1S/C24H46O11/c1-2-3-4-5-6-7-8-9-10-11-12-32-23-21(31)19(29)22(16(14-26)34-23)35-24-20(30)18(28)17(27)15(13-25)33-24/h15-31H,2-14H2,1H3/t15-,16-,17-,18+,19-,20-,21-,22-,23-,24-/m1/s1

CCCCCCCCCCCCO[C@H]1[C@@H]([C@H]([C@@H]([C@H](O1)CO)O[C@@H]2[C@@H]([C@H]([C@@H]([C@H](O2)CO)O)O)O)O)O
Non polymer #11 PEF

InChI=1S/C37H74NO8P/c1-3-5-7-9-11-13-15-17-19-21-23-25-27-29-36(39)43-33-35(34-45-47(41,42)44-32-31-38)46-37(40)30-28-26-24-22-20-18-16-14-12-10-8-6-4-2/h35H,3-34,38H2,1-2H3,(H,41,42)/t35-/m1/s1

CCCCCCCCCCCCCCCC(=O)OC[C@H](CO[P@@](=O)(O)OCCN)OC(=O)CCCCCCCCCCCCCCC
Non polymer #12 PGV

InChI=1S/C40H77O10P/c1-3-5-7-9-11-13-15-17-18-20-22-24-26-28-30-32-40(44)50-38(36-49-51(45,46)48-34-37(42)33-41)35-47-39(43)31-29-27-25-23-21-19-16-14-12-10-8-6-4-2/h13,15,37-38,41-42H,3-12,14,16-36H2,1-2H3,(H,45,46)/b15-13-/t37-,38+/m0/s1

CCCCCCCCCCCCCCCC(=O)OC[C@H](CO[P@](=O)(O)OC[C@H](CO)O)OC(=O)CCCCCCCCC\C=C/CCCCCC
Non polymer #13 RQ0

InChI=1S/C58H85NO3/c1-43(2)23-14-24-44(3)25-15-26-45(4)27-16-28-46(5)29-17-30-47(6)31-18-32-48(7)33-19-34-49(8)35-20-36-50(9)37-21-38-51(10)39-22-40-52(11)41-42-54-53(12)56(60)55(59)58(62-13)57(54)61/h20-21,23,25,27,29,31,33,35-39,41H,14-19,22,24,26,28,30,32,34,40,42,59H2,1-13H3/b36-20+,38-21+,44-25+,45-27+,46-29+,47-31+,48-33+,49-35+,50-37+,51-39+,52-41+

CC1=C(C(=O)C(=C(C1=O)N)OC)C/C=C(\C)/CC/C=C(\C)/C=C/C=C(\C)/C=C/C=C(\C)/CC/C=C(\C)/CC/C=C(\C)/CC/C=C(\C)/CC/C=C(\C)/CC/C=C(\C)/CCC=C(C)C
Non polymer #14 U10

InChI=1S/C59H90O4/c1-44(2)24-15-25-45(3)26-16-27-46(4)28-17-29-47(5)30-18-31-48(6)32-19-33-49(7)34-20-35-50(8)36-21-37-51(9)38-22-39-52(10)40-23-41-53(11)42-43-55-54(12)56(60)58(62-13)59(63-14)57(55)61/h24,26,28,30,32,34,36,38,40,42H,15-23,25,27,29,31,33,35,37,39,41,43H2,1-14H3/b45-26+,46-28+,47-30+,48-32+,49-34+,50-36+,51-38+,52-40+,53-42+

CC1=C(C(=O)C(=C(C1=O)OC)OC)C\C=C(/C)\CC\C=C(/C)\CC\C=C(/C)\CC\C=C(/C)\CC\C=C(/C)\CC\C=C(/C)\CC\C=C(/C)\CC\C=C(/C)\CC\C=C(/C)\CCC=C(C)C
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