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4HEA

Crystal structure of the entire respiratory complex I from Thermus thermophilus

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, Q
(1, B)
NADH-quinone oxidoreductase subunit 1polymer43848693.72UniProt (Q56222)
Pfam (PF01512)
Pfam (PF10531)
Pfam (PF10589)
Thermus thermophilusNADH dehydrogenase I chain 1, NDH-1 subunit 1
2B, R
(2, C)
NADH-quinone oxidoreductase subunit 2polymer18120309.22UniProt (Q56221)
Pfam (PF01257)
Thermus thermophilusNADH dehydrogenase I chain 2, NDH-1 subunit 2
3C, S
(3, D)
NADH-quinone oxidoreductase subunit 3polymer78386656.22UniProt (Q56223)
Pfam (PF01568)
Pfam (PF00111)
Pfam (PF10588)
Pfam (PF22117)
Pfam (PF04879)
Pfam (PF00384)
Thermus thermophilusNADH dehydrogenase I chain 3, NDH-1 subunit 3
4D, T
(4, E)
NADH-quinone oxidoreductase subunit 4polymer40946428.02UniProt (Q56220)
Pfam (PF00346)
Thermus thermophilusNADH dehydrogenase I chain 4, NDH-1 subunit 4
5E, U
(5, F)
NADH-quinone oxidoreductase subunit 5polymer20723893.32UniProt (Q56219)
Pfam (PF00329)
Thermus thermophilusNADH dehydrogenase I chain 5, NDH-1 subunit 5
6F, V
(6, G)
NADH-quinone oxidoreductase subunit 6polymer18120262.62UniProt (Q56218)
Pfam (PF01058)
Thermus thermophilusNADH dehydrogenase I subunit 6, NDH-1 subunit 6
7G, W
(9, O)
NADH-quinone oxidoreductase subunit 9polymer18220106.32UniProt (Q56224)
Pfam (PF00037)
Thermus thermophilusNADH dehydrogenase I subunit 9, NDH-1 subunit 9
8H, X
(7, I)
NADH-quinone oxidoreductase subunit 15polymer12914812.12UniProt (Q5SKZ7)
Pfam (PF11497)
Thermus thermophilusNADH dehydrogenase I chain 15, NDH-1 subunit 15
9I, Y
(W, X)
Putative uncharacterized protein TTHA1528polymer13114201.62UniProt (Q5SI52)
Pfam (PF11432)
Thermus thermophilus
10J, Z
(A, P)
NADH-quinone oxidoreductase subunit 7polymer11913154.72UniProt (Q56217)
Pfam (PF00507)
Thermus thermophilusNADH dehydrogenase I chain 7, NDH-1 subunit 7
11AA, K
(J, R)
NADH-quinone oxidoreductase subunit 10polymer17618563.32UniProt (Q56225)
Pfam (PF00499)
Thermus thermophilusNADH dehydrogenase I chain 10, NDH-1 subunit 10
12BA, L
(K, S)
NADH-quinone oxidoreductase subunit 11polymer9510002.82UniProt (Q56226)
Pfam (PF00420)
Thermus thermophilusNADH dehydrogenase I chain 11, NDH-1 subunit 11
13CA, M
(L, T)
NADH-quinone oxidoreductase subunit 12polymer60665189.92UniProt (Q56227)
Pfam (PF00662)
Pfam (PF00361)
Thermus thermophilusNADH dehydrogenase I chain 12, NDH-1 subunit 12
14DA, N
(M, U)
NADH-quinone oxidoreductase subunit 13polymer46949247.12UniProt (Q56228)
Pfam (PF00361)
Thermus thermophilusNADH dehydrogenase I chain 13, NDH-1 subunit 13
15EA, O
(N, V)
NADH-quinone oxidoreductase subunit 14polymer42744463.92UniProt (Q56229)
Pfam (PF00361)
Thermus thermophilusNADH dehydrogenase I chain 14, NDH-1 subunit 14
16FA, P
(H, Q)
NADH-quinone oxidoreductase subunit 8polymer36541034.52UniProt (Q60019)
Pfam (PF00146)
Thermus thermophilusNADH dehydrogenase I subunit 8, NDH-1 subunit 8
17GA, JA, KA, LA, NA...
(1, 3, 6, 9, B...)
IRON/SULFUR CLUSTERnon-polymer351.614Chemie (SF4)
18HA, RA
(1, B)
FLAVIN MONONUCLEOTIDEnon-polymer456.32Chemie (FMN)
PubChem (710)
PubChem (23585816)
PubChem (8965)
PubChem (51435500)
PubChem (51435503)
PubChem (643976)
PubChem (5702760)
PubChem (7048779)
PubChem (7048781)
PubChem (15559251)
19IA, MA, SA, WA
(2, 3, C, D)
FE2/S2 (INORGANIC) CLUSTERnon-polymer175.84Chemie (FES)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains32
Total formula weight1074038.3
Non-Polymers*Number of molecules20
Total formula weight6538.9
All*Total formula weight1080577.2
*Water molecules are not included.

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PDB entries from 2026-05-06

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