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8QBY

Respiratory complex I from Paracoccus denitrificans in MSP2N2 nanodiscs

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(K)
NADH-quinone oxidoreductase subunit Kpolymer10110863.11UniProt (A1B482)
Pfam (PF00420)
Paracoccus denitrificans PD1222NADH dehydrogenase I subunit K,NADH dehydrogenase I,subunit 11,NADH-quinone oxidoreductase subunit 11,NQO11,NDH-1 subunit K,NDH-1
2B
(G)
NADH-quinone oxidoreductasepolymer67473289.41UniProt (A1B489)
Pfam (PF13510)
Pfam (PF10588)
Pfam (PF22117)
Pfam (PF22151)
Pfam (PF00384)
Pfam (PF09326)
Paracoccus denitrificans PD1222
3C
(t)
Protein-L-isoaspartate O-methyltransferasepolymer21723528.91UniProt (A1B5L6)
Pfam (PF01135)
Paracoccus denitrificans PD1222
4D
(I)
NADH-quinone oxidoreductase subunit Ipolymer16318925.61UniProt (A1B486)
Pfam (PF12838)
Paracoccus denitrificans PD1222
5E
(E)
NADH dehydrogenase subunit Epolymer23926145.91UniProt (A1B494)
Pfam (PF01257)
Paracoccus denitrificans PD1222
6F
(N)
NADH-quinone oxidoreductase subunit Npolymer49952564.81UniProt (A1B479)
Pfam (PF00361)
Paracoccus denitrificans PD1222
7G
(H)
NADH-quinone oxidoreductase subunit Hpolymer34538861.21UniProt (A1B487)
Pfam (PF00146)
Paracoccus denitrificans PD1222
8H
(F)
NADH-quinone oxidoreductase subunit Fpolymer43147281.11UniProt (A1B491)
Pfam (PF01512)
Pfam (PF22461)
Pfam (PF10531)
Pfam (PF10589)
Paracoccus denitrificans PD1222
9I
(D)
NADH-quinone oxidoreductase subunit Dpolymer41246811.51UniProt (A1B495)
Pfam (PF00346)
Paracoccus denitrificans PD1222
10J
(q)
NADH:ubiquinone oxidoreductase 17.2 kD subunitpolymer12414432.91UniProt (A1B1H8)
Pfam (PF05071)
Paracoccus denitrificans PD1222
11K
(A)
NADH-quinone oxidoreductase subunit Apolymer12113686.11UniProt (A1B498)
Pfam (PF00507)
Paracoccus denitrificans PD1222
12L
(J)
NADH-quinone oxidoreductase chain 10polymer20021835.21UniProt (P29922)
Pfam (PF00499)
Paracoccus denitrificans PD1222
13M
(R)
Zinc finger CHCC-type domain-containing proteinpolymer627069.91UniProt (A1B357)
Pfam (PF10276)
Paracoccus denitrificans PD1222
14N
(Q)
ETC complex I subunit conserved regionpolymer10312048.41UniProt (A1B1M0)
Pfam (PF04800)
Paracoccus denitrificans PD1222
15O
(C)
NADH-quinone oxidoreductase subunit Cpolymer20823920.11UniProt (A1B496)
Pfam (PF00329)
Paracoccus denitrificans PD1222
16P
(B)
NADH-quinone oxidoreductase subunit Bpolymer17519525.51UniProt (A1B497)
Pfam (PF01058)
Paracoccus denitrificans PD1222
17Q
(L)
NADH dehydrogenase subunit Lpolymer70377811.41UniProt (A1B481)
Pfam (PF00662)
Pfam (PF00361)
Paracoccus denitrificans PD1222
18R
(M)
NADH dehydrogenase subunit Mpolymer51356519.91UniProt (A1B480)
Pfam (PF00361)
Paracoccus denitrificans PD1222
19PA, S, T, W, X...
(F, G, I, B)
IRON/SULFUR CLUSTERnon-polymer351.66Chemie (SF4)
20BA, U
(E, G)
FE2/S2 (INORGANIC) CLUSTERnon-polymer175.82Chemie (FES)
21V
(G)
SODIUM IONnon-polymer23.01Chemie (NA)
22AB, BB, DA, EB, FB...
(L, N, M, H, A...)
1,2-DIACYL-GLYCEROL-3-SN-PHOSPHATEnon-polymer705.017Chemie (3PH)
23CB, Z
(L, I)
O-[(R)-{[(2R)-2,3-bis(octadecanoyloxy)propyl]oxy}(hydroxy)phosphoryl]-L-serinenon-polymer792.12Chemie (P5S)
24AA, HA, OB, RA
(I, N, M, D)
CALCIUM IONnon-polymer40.14Chemie (CA)
25CA, DB, EA, FA, HB...
(N, L, M, H, q)
1,2-Distearoyl-sn-glycerophosphoethanolaminenon-polymer748.110Chemie (3PE)
26JA, LB
(H, M)
CARDIOLIPINnon-polymer1464.02Chemie (CDL)
27OA
(F)
FLAVIN MONONUCLEOTIDEnon-polymer456.31Chemie (FMN)
28QA, UA
(D, J)
1,2-DIACYL-SN-GLYCERO-3-PHOSPHOCHOLINEnon-polymer790.12Chemie (PC1)
29XA
(R)
ZINC IONnon-polymer65.41Chemie (ZN)
30YA
(B)
UBIQUINONE-10non-polymer863.31Chemie (U10)
31AC, BC, CC, DC, EC...
(J, R, Q, C, B...)
waterwater18.01080Chemie (HOH)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains18
Total formula weight585120.8
Non-Polymers*Number of molecules49
Total formula weight29588.0
All*Total formula weight614708.8
*Water molecules are not included.

246704

PDB entries from 2025-12-24

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