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8IUF

Cryo-EM structure of Euglena gracilis super-complex I+III2+IV, composite

This is a non-PDB format compatible entry.
Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(1A)
NDUFS1apolymer38543888.81Euglena gracilis
2B
(1B)
NDUFS1bpolymer52759671.81Euglena gracilis
3C
(2B)
ND2bpolymer14215756.81Euglena gracilis
4D
(4A)
COXEG1polymer24627278.91Euglena gracilis
5E
(4C)
COXEG3polymer13916394.01Euglena gracilis
6F
(4D)
COXEG4polymer17419359.51Euglena gracilis
7G
(4E)
COXEG5polymer16519464.11Euglena gracilis
8H
(4F)
COXEG6polymer758728.21Euglena gracilis
9I
(4G)
COXEG7polymer31535651.51Euglena gracilis
10J
(4H)
COXEG8polymer22124495.31Euglena gracilis
11K
(4I)
COXEG9polymer27431754.91Euglena gracilis
12L
(4J)
COXEG10polymer8810043.31Euglena gracilis
13M
(4L)
ND4Lpolymer17119673.11Euglena gracilis
14N
(5B)
COX5b-2polymer17419736.41Euglena gracilis
15O
(5C)
COX5cpolymer20823788.31Euglena gracilis
16P
(6A)
COX6apolymer11213079.21Euglena gracilis
17Q
(6B)
COX6b-1polymer28732995.11Euglena gracilis
18R
(7A)
COX7apolymer17820079.01Euglena gracilis
19S
(7C)
COX7cpolymer17119897.61Euglena gracilis
20T
(A1)
NDUFA1polymer14115659.61Euglena gracilis
21U
(A2)
NDUFA2polymer19321331.21Euglena gracilis
22V
(A3)
NDUFA3polymer12514950.31Euglena gracilis
23W
(A5)
NDUFA5polymer18420961.91Euglena gracilis
24X
(A6)
NDUFA6polymer43748787.01Euglena gracilis
25Y
(A7)
NDUFA7polymer13616358.71Euglena gracilis
26Z
(A8)
NDUFA8polymer22325916.31Euglena gracilis
27AA
(A9)
NDUFA9polymer48954983.11Euglena gracilis
28BA
(AB)
NDUFAB1-alphapolymer13414936.11Euglena gracilis
29CA
(AC)
NDUFAB1-betapolymer13414899.11Euglena gracilis
30DA
(AL)
NDUFA12polymer28133338.11Euglena gracilis
31EA
(AM)
NDUFA13polymer19822683.81Euglena gracilis
32FA
(AN)
NDUFA11polymer28732617.51Euglena gracilis
33GA
(B2)
NDUFB2polymer14517202.41Euglena gracilis
34HA
(B3)
NDUFB3polymer626831.11Euglena gracilis
35IA
(B4)
NDUFB4polymer17119511.41Euglena gracilis
36JA
(B5)
NDUFB5polymer14015815.01Euglena gracilis
37KA
(B6)
NDUFB6polymer9110926.61Euglena gracilis
38LA
(B7)
NDUFB7polymer9712247.11Euglena gracilis
39MA
(B8)
NDUFB8polymer17620488.51Euglena gracilis
40NA
(B9)
NDUFB9polymer15818347.01Euglena gracilis
41OA
(BL)
NDUFB10polymer14417471.01Euglena gracilis
42PA
(BM)
NDUFB11polymer11213048.71Euglena gracilis
43QA
(C1)
Cytochrome c oxidase subunit 1polymer49555759.51UniProt (Q34463)
Pfam (PF00115)
Euglena gracilis
44RA
(C2)
Cytochrome c oxidase subunit 2polymer19622443.41UniProt (Q9XN19)
Pfam (PF02790)
Pfam (PF00116)
Euglena gracilis
45SA
(C3)
Putative NADH dehydrogenase subunit 6polymer16119414.91UniProt (Q9XN18)Euglena gracilis
46TA
(C4)
NDUFC2polymer18522010.11Euglena gracilis
47UA
(DC)
COX4polymer17920427.51Euglena gracilis
48VA
(E1)
NDUEG1polymer48353352.01Euglena gracilis
49WA
(E2)
NDUEG2polymer47251015.91Euglena gracilis
50XA
(E3)
NDUEG3polymer59463097.01Euglena gracilis
51YA
(E4)
NDUEG4polymer36841313.41Euglena gracilis
52ZA
(E5)
NDUEG5polymer29029182.71Euglena gracilis
53AB
(E6)
NDUEG6polymer37143669.51Euglena gracilis
54BB
(E7)
NDUEG7polymer24626818.81Euglena gracilis
55CB
(E8)
NDUEG8polymer20523994.71Euglena gracilis
56DB
(E9)
NDUEG9polymer17818272.91Euglena gracilis
57EB
(EA)
NDUEG10polymer12614140.61Euglena gracilis
58FB
(EB)
NDUEG11polymer10111472.21Euglena gracilis
59GB
(EC)
NDUEG11polymer10111323.11Euglena gracilis
60HB
(ED)
NDUEG13polymer15117731.41Euglena gracilis
61IB
(FX)
NDUFXpolymer32537197.01Euglena gracilis
62JB
(G1)
NDUCA1polymer43648726.91Euglena gracilis
63KB
(G2)
NDUCA2polymer26728858.01Euglena gracilis
64LB
(G3)
NDUCA3polymer26128016.91Euglena gracilis
65MB
(N1)
ND1polymer67079682.81Euglena gracilis
66NB
(N2)
ND2apolymer30035864.41Euglena gracilis
67OB, RB
(N3, N6)
ND3polymer29334504.22Euglena gracilis
68PB
(N4)
NADH-ubiquinone oxidoreductase chain 4polymer47856417.31UniProt (A0A0S2YRV6)
Pfam (PF00361)
Euglena gracilis
69QB
(N5)
ND5polymer58468375.41Euglena gracilis
70DC, SB
(QA, Qa)
MPP-betapolymer47953520.32Euglena gracilis
71EC, TB
(QB, Qb)
Ubiquinol-cytochrome-c reductase complex core protein 2, mitochondrialpolymer47451132.72UniProt (P43265)
Pfam (PF00675)
Euglena gracilis
72FC, UB
(QC, Qc)
Cytochrome bpolymer36842476.32UniProt (A0A0S2YRT7)
Pfam (PF00033)
Pfam (PF00032)
Euglena gracilis
73GC, VB
(QD, Qd)
Cytochrome c1, heme proteinpolymer24327889.42UniProt (P20114)
Pfam (PF02167)
Euglena gracilisComplex III subunit 4,Complex III subunit IV,Cytochrome b-c1 complex subunit 4,Ubiquinol-cytochrome-c reductase complex cytochrome c1 subunit,Cytochrome c-1
74HC, WB
(QE, Qe)
UQCRFS1polymer25227825.92Euglena gracilis
75IC, XB
(QF, Qf)
UQCRHpolymer728207.62Euglena gracilis
76JC, YB
(QG, Qg)
UQCRBpolymer22827404.12Euglena gracilis
77KC, ZB
(QH, Qh)
UQCRQpolymer859948.42Euglena gracilis
78AC, LC
(QI, Qi)
UQCR9polymer706939.42Euglena gracilis
79BC, MC
(QJ, Qj)
UQCR10polymer15417577.32Euglena gracilis
80CC, NC
(QK, Qk)
Ubiquinol-cytochrome-C reductase complex subunit IX, mitochondrialpolymer10011300.42UniProt (P43266)Euglena gracilis
81OC
(S2)
NDUFS2polymer39545251.91Euglena gracilis
82PC
(S3)
NDUFS3polymer27732466.71Euglena gracilis
83QC
(S4)
NDUFS4polymer20823736.91Euglena gracilis
84RC
(S5)
NDUFS5polymer12214244.01Euglena gracilis
85SC
(S6)
NDUFS6polymer14717101.71Euglena gracilis
86TC
(S7)
NDUFS7polymer20722837.31Euglena gracilis
87UC
(S8)
NDUFS8polymer21224370.01Euglena gracilis
88VC
(V1)
NDUFV1polymer52657940.21Euglena gracilis
89WC
(V2)
NDUFV2polymer22525189.11Euglena gracilis
90XC, YC
(A, B)
poly(UNK)polymer121039.32Euglena gracilis
91JG, KH, XG, ZC
(QE, V2, Qe, 1A)
FE2/S2 (INORGANIC) CLUSTERnon-polymer175.84Chemie (FES)
92AD, BD, FH, GH, HH...
(1A, S7, S8, V1)
IRON/SULFUR CLUSTERnon-polymer351.66Chemie (SF4)
93CD
(1A)
POTASSIUM IONnon-polymer39.11Chemie (K)
94AH, BF, CE, CH, DD...
(Qg, E4, AM, Qj, 4A...)
1,2-DIACYL-SN-GLYCERO-3-PHOSPHOCHOLINEnon-polymer790.141Chemie (PC1)
95AG, FD, GD, GE, JF...
(N5, 4D, B4, E9, 7A...)
1,2-Distearoyl-sn-glycerophosphoethanolaminenon-polymer748.19Chemie (3PE)
96HD
(4D)
O-[(S)-hydroxy{[(2S)-2-hydroxy-3-(octadec-9-enoyloxy)propyl]oxy}phosphoryl]-L-serinenon-polymer523.61Chemie (S12)
97AE, AF, BE, BG, BH...
(AM, E4, N5, Qh, E6...)
CARDIOLIPINnon-polymer1464.031Chemie (CDL)
98EF, EH, KD
(E7, S6, 5B)
ZINC IONnon-polymer65.43Chemie (ZN)
99RD
(A9)
NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATEnon-polymer745.41Chemie (NDP)
100VD, WD
(AB, AC)
S-[2-({N-[(2S)-2-hydroxy-3,3-dimethyl-4-(phosphonooxy)butanoyl]-beta-alanyl}amino)ethyl] tetradecanethioatenon-polymer568.72Chemie (ZMP)
101ME, NE
(C1)
HEME-Anon-polymer852.82Chemie (HEA)
102OE, UE, VE
(C1, C2)
COPPER (II) IONnon-polymer63.53Chemie (CU)
103PE
(C1)
MAGNESIUM IONnon-polymer24.31Chemie (MG)
104NG, OG, TE
(QJ, C2)
1,2-DILAUROYL-SN-GLYCERO-3-PHOSPHATEnon-polymer535.73Chemie (PX2)
105XF
(N4)
UBIQUINONE-10non-polymer863.31Chemie (U10)
106CG, DG, RG, SG
(QC, Qc)
PROTOPORPHYRIN IX CONTAINING FEnon-polymer616.54Chemie (HEM)
107GG, VG
(QD, Qd)
HEME Cnon-polymer618.52Chemie (HEC)
108IH
(V1)
FLAVIN MONONUCLEOTIDEnon-polymer456.31Chemie (FMN)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains103
Total formula weight2782293.6
Non-Polymers*Number of molecules116
Total formula weight98519.0
All*Total formula weight2880812.6
*Water molecules are not included.

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PDB entries from 2026-01-14

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