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9G9Y

Respiratory supercomplex CI2-CIII2-CIV2 (megacomplex) from alphaproteobacterium

This is a non-PDB format compatible entry.
Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B
(A, A1)
NADH-quinone oxidoreductase subunit Apolymer12113686.12UniProt (A1B498)Paracoccus denitrificans PD1222
2C, D
(B, B1)
NADH-quinone oxidoreductase subunit Bpolymer17519525.52UniProt (A1B497)Paracoccus denitrificans PD1222
3E, F
(C, C1)
NADH-quinone oxidoreductase subunit Cpolymer20823920.12UniProt (A1B496)Paracoccus denitrificans PD1222
4G, H
(D, D1)
NADH-quinone oxidoreductase subunit Dpolymer41246811.52UniProt (A1B495)Paracoccus denitrificans PD1222
5I, J
(E, E1)
NADH dehydrogenase subunit Epolymer23926145.92UniProt (A1B494)Paracoccus denitrificans PD1222
6K, L
(F, F1)
NADH-quinone oxidoreductase subunit Fpolymer43147281.12UniProt (A1B491)Paracoccus denitrificans PD1222
7M, N
(G, G1)
NADH-quinone oxidoreductasepolymer67473289.42UniProt (A1B489)Paracoccus denitrificans PD1222
8O, P
(H, H1)
NADH-quinone oxidoreductase subunit Hpolymer34538861.22UniProt (A1B487)Paracoccus denitrificans PD1222
9Q, R
(I, I1)
NADH-quinone oxidoreductase subunit Ipolymer16318925.62UniProt (A1B486)Paracoccus denitrificans PD1222
10S, T
(J, J1)
NADH-quinone oxidoreductase subunit Jpolymer19921732.02UniProt (A1B483)Paracoccus denitrificans PD1222
11U, V
(K, K1)
NADH-quinone oxidoreductase subunit Kpolymer10110863.12UniProt (A1B482)Paracoccus denitrificans PD1222NADH dehydrogenase I subunit K,NADH dehydrogenase I,subunit 11,NADH-quinone oxidoreductase subunit 11,NQO11,NDH-1 subunit K,NDH-1
12W, X
(L, L1)
NADH dehydrogenase subunit Lpolymer70377839.42UniProt (A1B481)Paracoccus denitrificans PD1222
13Y, Z
(M, M1)
NADH dehydrogenase subunit Mpolymer51356547.92UniProt (A1B480)Paracoccus denitrificans PD1222
14AA, BA
(N, N1)
NADH-quinone oxidoreductase subunit Npolymer49952564.82UniProt (A1B479)Paracoccus denitrificans PD1222
15CA, DA
(P, P1)
NAD-dependent epimerase/dehydratasepolymer33035386.62UniProt (A1AZB0)Paracoccus denitrificans PD1222
16EA, FA
(Q, Q1)
ETC complex I subunit conserved regionpolymer10312048.42UniProt (A1B1M0)Paracoccus denitrificans PD1222
17GA, HA
(R, R1)
Zinc finger CHCC-type domain-containing proteinpolymer627069.92UniProt (A1B357)Paracoccus denitrificans PD1222
18IA, JA
(Z, Z1)
Protein-L-isoaspartate O-methyltransferasepolymer21723528.92UniProt (A1B5L6)Paracoccus denitrificans PD1222
19KA, NA
(a, d)
Cytochrome bpolymer44050154.72UniProt (A1B4F3)Paracoccus denitrificans PD1222
20LA, OA
(b, e)
Cytochrome c1polymer45046904.32UniProt (A1B4F4)Paracoccus denitrificans PD1222
21MA, PA
(c, f)
Ubiquinol-cytochrome c reductase iron-sulfur subunitpolymer19520889.22UniProt (A1B4F2)Paracoccus denitrificans PD1222
22QA, UA
(g, k)
Cytochrome c oxidase subunit 1polymer55862486.62UniProt (A1B3D7)Paracoccus denitrificans PD1222
23RA, VA
(h, l)
Cytochrome c oxidase subunit 2polymer29832563.62UniProt (A1BA41)Paracoccus denitrificans PD1222
24SA, WA
(i, m)
cytochrome-c oxidasepolymer27430833.22UniProt (A1BA37)Paracoccus denitrificans PD1222Cytochrome aa3 subunit 3,Cytochrome c oxidase polypeptide III
25TA, XA
(j, n)
Aa3 type cytochrome c oxidase subunit IVpolymer667351.52UniProt (A1AZ52)Paracoccus denitrificans PD1222
26YA, ZA
(o, p)
Cytochrome c, class Ipolymer17618177.42UniProt (A1B311)Paracoccus denitrificans PD1222
27AB, BB
(q, q1)
NADH:ubiquinone oxidoreductase 17.2 kD subunitpolymer12414460.92UniProt (A1B1H8)Paracoccus denitrificans PD1222
28AC, CB, EB, KB, NB...
(I1, B, B1, F, F1...)
IRON/SULFUR CLUSTERnon-polymer351.612Chemie (SF4)
29CD, DB, FB, QC, SC...
(d, B, B1, a)
UBIQUINONE-10non-polymer863.36Chemie (U10)
30FD, GB, HB, MD, VC...
(e, D, D1, g, b...)
CALCIUM IONnon-polymer40.16Chemie (CA)
31IB, ID, JB, QB, RB...
(E, f, E1, G, G1...)
FE2/S2 (INORGANIC) CLUSTERnon-polymer175.86Chemie (FES)
32LB, MB
(F, F1)
FLAVIN MONONUCLEOTIDEnon-polymer456.32Chemie (FMN)
33FC, FE, GE, JC, JE...
(L1, m, M, n, M1...)
1,2-DIACYL-SN-GLYCERO-3-PHOSPHOCHOLINEnon-polymer790.112Chemie (PC1)
34BC, BD, KC, MC, TC
(K, d, M, M1, a)
2-[2-[(1~{S},2~{S},4~{S},5'~{R},6~{R},7~{S},8~{R},9~{S},12~{S},13~{R},16~{S})-5',7,9,13-tetramethylspiro[5-oxapentacyclo[10.8.0.0^{2,9}.0^{4,8}.0^{13,18}]icos-18-ene-6,2'-oxane]-16-yl]oxyethyl]propane-1,3-diolnon-polymer516.85Chemie (DU0)
35CC, CE, ED, EE, GC...
(L, k, e, m, L1...)
1,2-Distearoyl-sn-glycerophosphoethanolaminenon-polymer748.19Chemie (3PE)
36DC, HD, IC, KD, KE...
(L, f, L1, g, p...)
1,2-DIACYL-GLYCEROL-3-SN-PHOSPHATEnon-polymer705.06Chemie (3PH)
37EC, HC
(L, L1)
O-[(R)-{[(2R)-2,3-bis(octadecanoyloxy)propyl]oxy}(hydroxy)phosphoryl]-L-serinenon-polymer792.12Chemie (P5S)
38IE, NC, OC, SD
(m, R, R1, i)
ZINC IONnon-polymer65.44Chemie (ZN)
39AD, DD, PC, RC
(d, a)
PROTOPORPHYRIN IX CONTAINING FEnon-polymer616.54Chemie (HEM)
40UC
(a)
CARDIOLIPINnon-polymer1464.01Chemie (CDL)
41GD, XC
(e, b)
HEME Cnon-polymer618.52Chemie (HEC)
42AE, JD, ND, YD
(k, g)
HEME-Anon-polymer852.84Chemie (HEA)
43LD, ZD
(g, k)
COPPER (II) IONnon-polymer63.52Chemie (CU)
44BE, OD
(k, g)
MANGANESE (II) IONnon-polymer54.92Chemie (MN)
45DE, QD
(l, h)
DINUCLEAR COPPER IONnon-polymer127.12Chemie (CUA)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains54
Total formula weight1779697.8
Non-Polymers*Number of molecules87
Total formula weight45551.2
All*Total formula weight1825248.9
*Water molecules are not included.

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PDB entries from 2026-02-04

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