8BD3

Cryo-EM structure of the Photosystem II - LHCII supercomplex from Chlorella ohadi

• PDB DOI: https://doi.org/10.2210/pdb8BD3/pdb
• EM Map EMD-15973: EMDB EMDataResource

• Classification: PHOTOSYNTHESIS
• Organism(s): Chlorella ohadii
• Mutation(s): No 


• Deposited: 2022-10-18 Released: 2023-08-09 
• Deposition Author(s): Fadeeva, M., Klaiman, D., Caspy, I., Nelson, N.
• Funding Organization(s): Israel Science Foundation

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 2.73 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Structure of Chlorella ohadii Photosystem II Reveals Protective Mechanisms against Environmental Stress.

Fadeeva, M., Klaiman, D., Caspy, I., Nelson, N.

(2023) Cells 12

• PubMed: 37566050 
• DOI: https://doi.org/10.3390/cells12151971
• Primary Citation of Related Structures:  
  8BD3


• PubMed Abstract: 
  

  Green alga Chlorella ohadii is known for its ability to carry out photosynthesis under harsh conditions. Using cryogenic electron microscopy (cryoEM), we obtained a high-resolution structure of PSII at 2.72 Å. This structure revealed 64 subunits, which encompassed 386 chlorophylls, 86 carotenoids, four plastoquinones, and several structural lipids. At the luminal side of PSII, a unique subunit arrangement was observed to protect the oxygen-evolving complex. This arrangement involved PsbO (OEE1), PsbP (OEE2), PsbB, and PsbU (a homolog of plant OEE3). PsbU interacted with PsbO, PsbC, and PsbP, thereby stabilizing the shield of the oxygen-evolving complex. Significant changes were also observed at the stromal electron acceptor side. PsbY, identified as a transmembrane helix, was situated alongside PsbF and PsbE, which enclosed cytochrome b559 . Supported by the adjacent C-terminal helix of Psb10, these four transmembrane helices formed a bundle that shielded cytochrome b559 from the surrounding solvent. Moreover, the bulk of Psb10 formed a protective cap, which safeguarded the quinone site and likely contributed to the stacking of PSII complexes. Based on our findings, we propose a protective mechanism that prevents Q _B (plastoquinone B) from becoming fully reduced. This mechanism offers insights into the regulation of electron transfer within PSII.

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Organizational Affiliation: 

Department of Biochemistry and Molecular Biology, The George S. Wise Faculty of Life Sciences, Tel Aviv University, Tel Aviv 69978, Israel.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Hetero 66-mer - A8B6C2D2E2F2G2H2I2J2K2L2M2N2O2P2Q2R2S2T2U2V2W2X2Y2Z2a2b2 Pseudo Symmetry: Asymmetric - C1 
Pseudo Stoichiometry: Hetero 66-mer - A20B9C4D3E2F2G2H2I2J2K2L2M2N2O2P2Q2R2S2 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: electron microscopy

Macromolecule Content

• Total Structure Weight: 1,723.57 kDa 
• Atom Count: 117,990 
• Modelled Residue Count: 10,854 
• Deposited Residue Count: 10,854 
• Unique protein chains: 29

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Chlorophyll a-b binding protein, chloroplastic	A [auth 1], FA [auth 7]	214	Chlorella ohadii	Mutation(s): 0
UniProt
Find proteins for A0A2P6TPU9 (Chlorella sorokiniana) Explore A0A2P6TPU9  Go to UniProtKB:  A0A2P6TPU9

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Chlorophyll a-b binding protein, chloroplastic	B [auth 2], D [auth 4], HA [auth 9], JA [auth q], M [auth G], QA [auth g]	222	Chlorella ohadii	Mutation(s): 0
UniProt
Find proteins for A0A2P6TDA6 (Chlorella sorokiniana) Explore A0A2P6TDA6  Go to UniProtKB:  A0A2P6TDA6

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
Chlorophyll a-b binding of LHCII	C [auth 3], E [auth 5], GA [auth 8], IA [auth p], T [auth N], XA [auth n]	221	Chlorella ohadii	Mutation(s): 0

Entity ID: 4
Molecule	Chains	Sequence Length	Organism	Details	Image
Chlorophyll a-b binding of LHCII	EA [auth 0], F [auth 6]	217	Chlorella ohadii	Mutation(s): 0

Entity ID: 5
Molecule	Chains	Sequence Length	Organism	Details	Image
Photosystem II protein D1	G [auth A], KA [auth a]	336	Chlorella ohadii	Mutation(s): 0  EC: 1.10.3.9
UniProt
Find proteins for W8SIR2 (Chlorella sorokiniana) Explore W8SIR2  Go to UniProtKB:  W8SIR2

Entity ID: 6
Molecule	Chains	Sequence Length	Organism	Details	Image
Photosystem II CP47 reaction center protein	H [auth B], LA [auth b]	504	Chlorella ohadii	Mutation(s): 0
UniProt
Find proteins for W8TIK4 (Chlorella sorokiniana) Explore W8TIK4  Go to UniProtKB:  W8TIK4

Entity ID: 7
Molecule	Chains	Sequence Length	Organism	Details	Image
Photosystem II CP43 reaction center protein	I [auth C], MA [auth c]	448	Chlorella ohadii	Mutation(s): 0
UniProt
Find proteins for A0A076EAP1 (Chlorella sorokiniana) Explore A0A076EAP1  Go to UniProtKB:  A0A076EAP1

Entity ID: 8
Molecule	Chains	Sequence Length	Organism	Details	Image
Photosystem II D2 protein	J [auth D], NA [auth d]	342	Chlorella ohadii	Mutation(s): 0  EC: 1.10.3.9
UniProt
Find proteins for W8SYD4 (Chlorella sorokiniana) Explore W8SYD4  Go to UniProtKB:  W8SYD4

Entity ID: 9
Molecule	Chains	Sequence Length	Organism	Details	Image
Cytochrome b559 subunit alpha	K [auth E], OA [auth e]	81	Chlorella ohadii	Mutation(s): 0
UniProt
Find proteins for W8SU91 (Chlorella sorokiniana) Explore W8SU91  Go to UniProtKB:  W8SU91

Entity ID: 10
Molecule	Chains	Sequence Length	Organism	Details	Image
Cytochrome b559 subunit beta	L [auth F], PA [auth f]	37	Chlorella ohadii	Mutation(s): 0
UniProt
Find proteins for P56310 (Chlorella vulgaris) Explore P56310  Go to UniProtKB:  P56310

Entity ID: 11
Molecule	Chains	Sequence Length	Organism	Details	Image
Photosystem II reaction center protein H	N [auth H], RA [auth h]	67	Chlorella ohadii	Mutation(s): 0
UniProt
Find proteins for W8SIT0 (Chlorella sorokiniana) Explore W8SIT0  Go to UniProtKB:  W8SIT0

Entity ID: 12
Molecule	Chains	Sequence Length	Organism	Details	Image
Photosystem II reaction center protein I	O [auth I], SA [auth i]	34	Chlorella ohadii	Mutation(s): 0
UniProt
Find proteins for A0A5P4ND48 (Chlorella ohadii) Explore A0A5P4ND48  Go to UniProtKB:  A0A5P4ND48

Entity ID: 13
Molecule	Chains	Sequence Length	Organism	Details	Image
Photosystem II reaction center protein J	P [auth J], TA [auth j]	38	Chlorella ohadii	Mutation(s): 0
UniProt
Find proteins for W8TIH6 (Chlorella sorokiniana) Explore W8TIH6  Go to UniProtKB:  W8TIH6

Entity ID: 14
Molecule	Chains	Sequence Length	Organism	Details	Image
Photosystem II reaction center protein K	Q [auth K], UA [auth k]	37	Chlorella ohadii	Mutation(s): 0
UniProt
Find proteins for P56348 (Chlorella vulgaris) Explore P56348  Go to UniProtKB:  P56348

Entity ID: 15
Molecule	Chains	Sequence Length	Organism	Details	Image
Photosystem II reaction center protein L	R [auth L], VA [auth l]	37	Chlorella ohadii	Mutation(s): 0
UniProt
Find proteins for P56339 (Chlorella vulgaris) Explore P56339  Go to UniProtKB:  P56339

Entity ID: 16
Molecule	Chains	Sequence Length	Organism	Details	Image
Photosystem II reaction center protein M	S [auth M], WA [auth m]	57	Chlorella ohadii	Mutation(s): 0
UniProt
Find proteins for A0A5P4NAV9 (Chlorella ohadii) Explore A0A5P4NAV9  Go to UniProtKB:  A0A5P4NAV9

Entity ID: 17
Molecule	Chains	Sequence Length	Organism	Details	Image
Chloroplast oxygen-evolving enhancer protein 1	U [auth O], YA [auth o]	240	Chlorella ohadii	Mutation(s): 0
UniProt
Find proteins for A0A5P4NF37 (Chlorella ohadii) Explore A0A5P4NF37  Go to UniProtKB:  A0A5P4NF37

Entity ID: 18
Molecule	Chains	Sequence Length	Organism	Details	Image
Chlorophyll a b binding CP29	V [auth R], ZA [auth r]	236	Chlorella ohadii	Mutation(s): 0

Entity ID: 19
Molecule	Chains	Sequence Length	Organism	Details	Image
Chlorophyll a b-binding CP26	AB [auth s], W [auth S]	257	Chlorella ohadii	Mutation(s): 0

Entity ID: 20
Molecule	Chains	Sequence Length	Organism	Details	Image
Photosystem II reaction center protein T	BB [auth t], X [auth T]	30	Chlorella ohadii	Mutation(s): 0
UniProt
Find proteins for P56327 (Chlorella vulgaris) Explore P56327  Go to UniProtKB:  P56327

Entity ID: 21
Molecule	Chains	Sequence Length	Organism	Details	Image
Photosystem II reaction center protein Ycf12	CB [auth v], Y [auth V]	32	Chlorella ohadii	Mutation(s): 0
UniProt
Find proteins for A0A076EAR3 (Chlorella sorokiniana) Explore A0A076EAR3  Go to UniProtKB:  A0A076EAR3

Entity ID: 22
Molecule	Chains	Sequence Length	Organism	Details	Image
Photosystem II reaction center W protein	DB [auth w], Z [auth W]	60	Chlorella ohadii	Mutation(s): 0

Entity ID: 23
Molecule	Chains	Sequence Length	Organism	Details	Image
Photosystem II reaction center protein X	AA [auth X], EB [auth x]	37	Chlorella ohadii	Mutation(s): 0

Entity ID: 24
Molecule	Chains	Sequence Length	Organism	Details	Image
Multifunctional fusion protein	BA [auth Y], FB [auth y]	221	Chlorella ohadii	Mutation(s): 0  EC: 2.7.1.107
UniProt
Find proteins for A0A2P6U5M3 (Chlorella sorokiniana) Explore A0A2P6U5M3  Go to UniProtKB:  A0A2P6U5M3

Entity ID: 25
Molecule	Chains	Sequence Length	Organism	Details	Image
Photosystem II reaction center protein Z	CA [auth Z], GB [auth z]	62	Chlorella ohadii	Mutation(s): 0
UniProt
Find proteins for W8SKL0 (Chlorella sorokiniana) Explore W8SKL0  Go to UniProtKB:  W8SKL0

Entity ID: 26
Molecule	Chains	Sequence Length	Organism	Details	Image
Chloroplast oxygen-evolving enhancer protein 3	DA [auth U], HB [auth u]	144	Chlorella ohadii	Mutation(s): 0
UniProt
Find proteins for A0A5P4NB29 (Chlorella ohadii) Explore A0A5P4NB29  Go to UniProtKB:  A0A5P4NB29

Entity ID: 27
Molecule	Chains	Sequence Length	Organism	Details	Image
Chloroplast PsbY	IB [auth Q1], KB [auth q1]	34	Chlorella ohadii	Mutation(s): 0
UniProt
Find proteins for A0A5P4NEE0 (Chlorella ohadii) Explore A0A5P4NEE0  Go to UniProtKB:  A0A5P4NEE0

Entity ID: 28
Molecule	Chains	Sequence Length	Organism	Details	Image
Chloroplast photosystem II 10 kDa protein	JB [auth P1], LB [auth p1]	108	Chlorella ohadii	Mutation(s): 0
UniProt
Find proteins for A0A5P4NAS4 (Chlorella ohadii) Explore A0A5P4NAS4  Go to UniProtKB:  A0A5P4NAS4

Entity ID: 29
Molecule	Chains	Sequence Length	Organism	Details	Image
Photosystem II oxygen evolving enhancer 2	MB [auth F1], NB [auth f1]	188	Chlorella ohadii	Mutation(s): 0

Small Molecules

Ligands 19 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
DGD	LV [auth c], MV [auth c], NV [auth c], OV [auth c], PI [auth C], QI [auth C], RI [auth C], TI [auth C]	DIGALACTOSYL DIACYL GLYCEROL (DGDG) C51 H96 O15 LDQFLSUQYHBXSX-HXXRYREZSA-N
CHL	AF [auth 5], AL [auth N], AQ [auth 8], AR [auth 9], BE [auth 4], BR [auth 9], CE [auth 4], CR [auth 9], DD [auth 3], DE [auth 4], ED [auth 3], EE [auth 4], EQ [auth 8], FE [auth 4], FP [auth 7], FQ [auth 8], FZ [auth s], GC [auth 1], GQ [auth 8], HC [auth 2], HK [auth G], HQ [auth 8], ID [auth 3], IO [auth 0], JD [auth 3], JP [auth 7], JW [auth g], KAA [auth y], KD [auth 3], KM [auth S], KP [auth 7], KS [auth q], KZ [auth s], LC [auth 2], LD [auth 3], LJ [auth G], LP [auth 7], LZ [auth s], MC [auth 2], MO [auth 0], MP [auth 7], MX [auth n], MZ [auth s], NC [auth 2], NF [auth 6], NN [auth Y], NO [auth 0], NP [auth 7], NW [auth g], NX [auth n], OAA [auth y], OB [auth 1], OC [auth 2], ON [auth Y], OO [auth 0], OR [auth p], OS [auth q], OW [auth g], PAA [auth y], PJ [auth G], PM [auth S], PO [auth 0], PS [auth q], PW [auth g], PY [auth r], QAA [auth y], QJ [auth G], QM [auth S], QO [auth 0], QS [auth q], QW [auth g], QY [auth r], RAA [auth y], RF [auth 6], RJ [auth G], RM [auth S], RS [auth q], RX [auth n], RY [auth r], SAA [auth y], SB [auth 1], SE [auth 5], SF [auth 6], SJ [auth G], SK [auth N], SN [auth Y], SR [auth p], SS [auth q], SX [auth n], TB [auth 1], TF [auth 6], TK [auth N], TN [auth Y], TR [auth p], TX [auth n], UB [auth 1], UF [auth 6], UL [auth R], UN [auth Y], UQ [auth 9], UR [auth p], UX [auth n], VB [auth 1], VF [auth 6], VL [auth R], VN [auth Y], VR [auth p], VX [auth n], WB [auth 1], WE [auth 5], WL [auth R], WR [auth p], XD [auth 4], XE [auth 5], XK [auth N], YE [auth 5], YK [auth N], YP [auth 7], YQ [auth 9], ZE [auth 5], ZK [auth N], ZQ [auth 9]	CHLOROPHYLL B C55 H70 Mg N4 O6 MWVCRINOIIOUAU-UYSPMESUSA-M
CLA	AC [auth 1], AE [auth 4], AG [auth 6], AI [auth C], AJ [auth D], AM [auth R], AO [auth Y], AS [auth p], AU [auth b], AV [auth c], AY [auth n], BC [auth 1], BF [auth 5], BG [auth 6], BH [auth B], BI [auth C], BJ [auth D], BL [auth N], BM [auth R], BQ [auth 8], BS [auth p], BU [auth b], BV [auth c], BY [auth n], CD [auth 3], CF [auth 5], CH [auth B], CI [auth C], CL [auth N], CM [auth R], CQ [auth 8], CS [auth p], CU [auth b], CV [auth c], DF [auth 5], DH [auth B], DI [auth C], DL [auth N], DQ [auth 8], DR [auth 9], DU [auth b], DV [auth c], EF [auth 5], EH [auth B], EI [auth C], EL [auth N], ER [auth 9], EU [auth b], EV [auth c], FD [auth 3], FF [auth 5], FH [auth B], FI [auth C], FL [auth N], FR [auth 9], FU [auth b], FV [auth c], GD [auth 3], GE [auth 4], GF [auth 5], GH [auth B], GI [auth C], GL [auth N], GP [auth 7], GR [auth 9], GU [auth b], GV [auth c], GZ [auth s], HD [auth 3], HE [auth 4], HH [auth B], HI [auth C], HP [auth 7], HR [auth 9], HU [auth b], HV [auth c], HZ [auth s], IC [auth 2], IE [auth 4], IH [auth B], II [auth C], IP [auth 7], IQ [auth 8], IT [auth a], IU [auth b], IV [auth c], IZ [auth s], JC [auth 2], JE [auth 4], JH [auth B], JI [auth C], JO [auth 0], JQ [auth 8], JT [auth a], JU [auth b], JZ [auth s], KC [auth 2], KE [auth 4], KH [auth B], KI [auth C], KO [auth 0], KQ [auth 8], KW [auth g], KY [auth r], LAA [auth y], LH [auth B], LI [auth C], LM [auth S], LO [auth 0], LQ [auth 8], LS [auth q], LT [auth a], LW [auth g], LY [auth r], MAA [auth y], MD [auth 3], MH [auth B], MI [auth C], MJ [auth G], ML [auth N], MM [auth S], MQ [auth 8], MS [auth q], MW [auth g], MY [auth r], NAA [auth y], ND [auth 3], NG [auth A], NH [auth B], NJ [auth G], NM [auth S], NQ [auth 8], NS [auth q], NY [auth r], NZ [auth s], OD [auth 3], OF [auth 6], OG [auth A], OH [auth B], OJ [auth G], OM [auth S], OP [auth 7], OX [auth n], OY [auth r], OZ [auth s], PB [auth 1], PC [auth 2], PD [auth 3], PF [auth 6], PG [auth A], PH [auth B], PL [auth R], PN [auth Y], PP [auth 7], PR [auth p], PX [auth n], PZ [auth s], QB [auth 1], QC [auth 2], QD [auth 3], QF [auth 6], QH [auth B], QL [auth R], QN [auth Y], QP [auth 7], QR [auth p], QX [auth n], QZ [auth s], RB [auth 1], RC [auth 2], RD [auth 3], RG [auth A], RL [auth R], RN [auth Y], RO [auth 0], RP [auth 7], RR [auth p], RW [auth g], RZ [auth s], SC [auth 2], SL [auth R], SM [auth S], SO [auth 0], SP [auth 7], SW [auth g], SY [auth r], SZ [auth s], TAA [auth y], TC [auth 2], TE [auth 5], TJ [auth G], TL [auth R], TM [auth S], TO [auth 0], TP [auth 7], TS [auth q], TW [auth g], TY [auth r], TZ [auth s], UAA [auth y], UE [auth 5], UJ [auth G], UK [auth N], UM [auth S], UO [auth 0], US [auth q], UT [auth b], UV [auth d], UW [auth g], UY [auth r], VAA [auth y], VE [auth 5], VJ [auth G], VK [auth N], VM [auth S], VO [auth 0], VQ [auth 9], VS [auth q], VT [auth b], VW [auth g], VY [auth r], WAA [auth y], WF [auth 6], WJ [auth G], WK [auth N], WM [auth S], WN [auth Y], WO [auth 0], WQ [auth 9], WS [auth q], WT [auth b], WU [auth c], WX [auth n], WY [auth r], XAA [auth y], XB [auth 1], XF [auth 6], XJ [auth G], XL [auth R], XM [auth S], XN [auth Y], XQ [auth 9], XR [auth p], XS [auth q], XT [auth b], XU [auth c], XV [auth d], XX [auth n], XY [auth r], YAA [auth y], YB [auth 1], YD [auth 4], YF [auth 6], YL [auth R], YM [auth S], YN [auth Y], YR [auth p], YT [auth b], YU [auth c], YV [auth d], YX [auth n], ZB [auth 1], ZD [auth 4], ZF [auth 6], ZL [auth R], ZN [auth Y], ZR [auth p], ZT [auth b], ZU [auth c], ZX [auth n]	CHLOROPHYLL A C55 H72 Mg N4 O5 ATNHDLDRLWWWCB-AENOIHSZSA-M
PHO	KT [auth a], QG [auth A], VV [auth d], YI [auth D]	PHEOPHYTIN A C55 H74 N4 O5 CQIKWXUXPNUNDV-RCBXBCQGSA-N
SQD	BK [auth G], CP [auth 0], DZ [auth r], EBA [auth y], EZ [auth s], GO [auth Y], IAA [auth x], IK [auth G], IM [auth R], IW [auth g], JM [auth S], KN [auth X], KX [auth m], MF [auth 6], NT [auth a], NU [auth b], OT [auth a], RK [auth M], TG [auth A], TU [auth b], UH [auth B], VG [auth A], XH [auth B], ZW [auth g]	1,2-DI-O-ACYL-3-O-[6-DEOXY-6-SULFO-ALPHA-D-GLUCOPYRANOSYL]-SN-GLYCEROL C41 H78 O12 S RVUUQPKXGDTQPG-JUDHQOGESA-N
LMG	AD [auth 2], AH [auth A], BD [auth 2], BP [auth 0], BX [auth g], CW [auth d], CZ [auth r], DAA [auth w], DBA [auth y], DK [auth G], DN [auth S], DP [auth 0], DT [auth a], DW [auth d], DX [auth g], EAA [auth w], EP [auth 7], EW [auth d], FAA [auth w], FC [auth 1], FK [auth G], FO [auth Y], FX [auth j], GAA [auth w], GG [auth 6], GJ [auth D], GK [auth G], GY [auth n], HAA [auth w], HBA [auth Q1], HG [auth 6], HJ [auth D], HM [auth R], HN [auth W], HS [auth p], HW [auth f], HX [auth k], HY [auth n], IBA [auth q1], IG [auth 6], IJ [auth D], IN [auth W], IS [auth q], IX [auth k], JAA [auth x], JJ [auth D], JN [auth W], JS [auth q], KK [auth I], LF [auth 5], LK [auth J], LL [auth N], LN [auth X], LX [auth m], MK [auth J], MN [auth X], MR [auth 9], OU [auth b], PT [auth a], PU [auth b], PV [auth c], QE [auth 4], QU [auth b], QV [auth c], RE [auth 4], SI [auth C], SQ [auth 9], ST [auth a], SU [auth b], TQ [auth 9], TT [auth b], TV [auth c], UG [auth A], UI [auth C], VH [auth B], VI [auth C], VU [auth b], WD [auth 3], WG [auth A], WH [auth B], XI [auth C], XP [auth 7], YC [auth 2], YZ [auth s], ZH [auth B], ZP [auth 7]	1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE C45 H86 O10 DCLTVZLYPPIIID-CVELTQQQSA-N
PL9	AW [auth d], DJ [auth D], QT [auth a], YG [auth A]	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 C53 H80 O2 FKUYMLZIRPABFK-UHFFFAOYSA-N
LHG	AP [auth 0], AX [auth g], BAA [auth t], BT [auth q], BW [auth d], BZ [auth r], CBA [auth y], CK [auth G], CN [auth S], EC [auth 1], EJ [auth D], EN [auth S], EO [auth Y], FG [auth 6], FJ [auth D], FW [auth e], FY [auth n], GBA [auth z], GM [auth R], GS [auth p], GX [auth j], JBA [auth F1], JX [auth l], KF [auth 5], KL [auth N], LR [auth 9], OE [auth 4], OK [auth K], PK [auth L], QK [auth M], RQ [auth 8], RT [auth a], RU [auth b], RV [auth c], UU [auth b], VD [auth 3], WI [auth C], WP [auth 7], XC [auth 2], XG [auth A], XZ [auth s], YH [auth B], ZG [auth A], ZZ [auth s]	1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE C38 H75 O10 P BIABMEZBCHDPBV-MPQUPPDSSA-N
HEM	GW [auth e], KJ [auth E]	PROTOPORPHYRIN IX CONTAINING FE C34 H32 Fe N4 O4 KABFMIBPWCXCRK-RGGAHWMASA-L
XAT	CT [auth q], CX [auth g], EK [auth G], EM [auth R], NR [auth 9], PE [auth 4], ZC [auth 2], ZY [auth r]	(3S,5R,6S,3'S,5'R,6'S)-5,6,5',6'-DIEPOXY-5,6,5',6'- TETRAHYDRO-BETA,BETA-CAROTENE-3,3'-DIOL C40 H56 O4 SZCBXWMUOPQSOX-WVJDLNGLSA-N
NEX	AK [auth G], AT [auth q], AZ [auth r], BBA [auth y], BN [auth S], DO [auth Y], EG [auth 6], EY [auth n], FM [auth R], FS [auth p], IY [auth r], JF [auth 5], JL [auth N], KR [auth 9], NE [auth 4], NL [auth R], QQ [auth 8], UD [auth 3], WC [auth 2], WZ [auth s], YW [auth g], ZO [auth 0]	(1R,3R)-6-{(3E,5E,7E,9E,11E,13E,15E,17E)-18-[(1S,4R,6R)-4-HYDROXY-2,2,6-TRIMETHYL-7-OXABICYCLO[4.1.0]HEPT-1-YL]-3,7,12,16-TETRAMETHYLOCTADECA-1,3,5,7,9,11,13,15,17-NONAENYLIDENE}-1,5,5-TRIMETHYLCYCLOHEXANE-1,3-DIOL C40 H56 O4 PGYAYSRVSAJXTE-OQASCVKESA-N
LUT	ABA [auth y], AN [auth S], BO [auth Y], CC [auth 1], CG [auth 6], CO [auth Y], CY [auth n], DC [auth 1], DG [auth 6], DM [auth R], DS [auth p], DY [auth n], ES [auth p], HF [auth 5], HL [auth N], IF [auth 5], IL [auth N], JR [auth 9], ME [auth 4], OQ [auth 8], PQ [auth 8], SD [auth 3], TD [auth 3], UP [auth 7], UZ [auth s], VC [auth 2], VP [auth 7], VZ [auth s], XO [auth 0], XW [auth g], YO [auth 0], YY [auth r], ZAA [auth y], ZJ [auth G], ZM [auth S], ZS [auth q]	(3R,3'R,6S)-4,5-DIDEHYDRO-5,6-DIHYDRO-BETA,BETA-CAROTENE-3,3'-DIOL C40 H56 O2 KBPHJBAIARWVSC-NSIPBSJQSA-N
RRX	IR [auth 9], LE [auth 4], UC [auth 2], WW [auth g], YJ [auth G], YS [auth q]	(3R)-beta,beta-caroten-3-ol C40 H56 O DMASLKHVQRHNES-FKKUPVFPSA-N
BCR	AAA [auth t], CAA [auth v], CJ [auth D], EX [auth h], FBA [auth z], FN [auth T], GN [auth V], HO [auth Z], JK [auth H], JV [auth c], KU [auth b], KV [auth c], LU [auth b], MT [auth a], MU [auth b], NI [auth C], OI [auth C], RH [auth B], SG [auth A], SH [auth B], TH [auth B], ZV [auth d]	BETA-CAROTENE C40 H56 OENHQHLEOONYIE-JLTXGRSLSA-N
LMU	JY [auth r], NK [auth K], OL [auth R], SV [auth c]	DODECYL-ALPHA-D-MALTOSIDE C24 H46 O11 NLEBIOOXCVAHBD-YHBSTRCHSA-N
OEX	ET [auth a], JG [auth A]	CA-MN4-O5 CLUSTER Ca Mn4 O5 SEXWDHMBWJEXOJ-UHFFFAOYSA-N
BCT	WV [auth d], ZI [auth D]	BICARBONATE ION C H O3 BVKZGUZCCUSVTD-UHFFFAOYSA-M
FE2	FT [auth a], KG [auth A]	FE (II) ION Fe CWYNVVGOOAEACU-UHFFFAOYSA-N
CL	GT [auth a], HT [auth a], LG [auth A], MG [auth A]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
CSU	V [auth R], ZA [auth r]	L-PEPTIDE LINKING	C3 H7 N O5 S2		CYS

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 2.73 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX	1.19.2_4158:

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2023-08-09 
Deposition Author(s): Fadeeva, M., Klaiman, D., Caspy, I., Nelson, N.

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Funding Organization	Location	Grant Number
Israel Science Foundation	Israel	199/21

Revision History  

• Version 1.0: 2023-08-09
  Type: Initial release
  
• Version 1.1: 2023-08-23
  Changes: Data collection, Database references