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8BQS

Cryo-EM structure of the I-II-III2-IV2 respiratory supercomplex from Tetrahymena thermophila

This is a non-PDB format compatible entry.
Functional Information from GO Data
ChainGOidnamespacecontents
a0005739cellular_componentmitochondrion
a0046872molecular_functionmetal ion binding
A0005739cellular_componentmitochondrion
A0046872molecular_functionmetal ion binding
A00005543molecular_functionphospholipid binding
A00008915molecular_functionlipid-A-disaccharide synthase activity
A00009245biological_processlipid A biosynthetic process
A10005739cellular_componentmitochondrion
A10044877molecular_functionprotein-containing complex binding
A20005737cellular_componentcytoplasm
A20006457biological_processprotein folding
A20044183molecular_functionprotein folding chaperone
A20051087molecular_functionprotein-folding chaperone binding
AA0003954molecular_functionNADH dehydrogenase activity
AA0008137molecular_functionNADH dehydrogenase (ubiquinone) activity
AA0015990biological_processelectron transport coupled proton transport
AA0016020cellular_componentmembrane
AA0042773biological_processATP synthesis coupled electron transport
AB0008137molecular_functionNADH dehydrogenase (ubiquinone) activity
AB0016020cellular_componentmembrane
AB0016491molecular_functionoxidoreductase activity
AB0016651molecular_functionoxidoreductase activity, acting on NAD(P)H
AB0042773biological_processATP synthesis coupled electron transport
AB0051536molecular_functioniron-sulfur cluster binding
AB1902600biological_processproton transmembrane transport
AC0005886cellular_componentplasma membrane
AC0008137molecular_functionNADH dehydrogenase (ubiquinone) activity
AC0031966cellular_componentmitochondrial membrane
AC0042773biological_processATP synthesis coupled electron transport
AC1902600biological_processproton transmembrane transport
AD0005739cellular_componentmitochondrion
AD0005743cellular_componentmitochondrial inner membrane
AD0006120biological_processmitochondrial electron transport, NADH to ubiquinone
AD0008137molecular_functionNADH dehydrogenase (ubiquinone) activity
AD0010181molecular_functionFMN binding
AD0045271cellular_componentrespiratory chain complex I
AD0051287molecular_functionNAD binding
AD0051539molecular_function4 iron, 4 sulfur cluster binding
AD1902600biological_processproton transmembrane transport
AE0005739cellular_componentmitochondrion
AE0006120biological_processmitochondrial electron transport, NADH to ubiquinone
AE0016651molecular_functionoxidoreductase activity, acting on NAD(P)H
AE0048038molecular_functionquinone binding
AE0051287molecular_functionNAD binding
AG0031966cellular_componentmitochondrial membrane
AH0003954molecular_functionNADH dehydrogenase activity
AH0005743cellular_componentmitochondrial inner membrane
AH0008137molecular_functionNADH dehydrogenase (ubiquinone) activity
AH0009060biological_processaerobic respiration
AH0016020cellular_componentmembrane
AH1902600biological_processproton transmembrane transport
AI0003954molecular_functionNADH dehydrogenase activity
AI0005743cellular_componentmitochondrial inner membrane
AI0006120biological_processmitochondrial electron transport, NADH to ubiquinone
AI0008137molecular_functionNADH dehydrogenase (ubiquinone) activity
AI0016491molecular_functionoxidoreductase activity
AI0045271cellular_componentrespiratory chain complex I
AI1902600biological_processproton transmembrane transport
AK0031966cellular_componentmitochondrial membrane
AL0003954molecular_functionNADH dehydrogenase activity
AL0005739cellular_componentmitochondrion
AL0006120biological_processmitochondrial electron transport, NADH to ubiquinone
AL0009060biological_processaerobic respiration
AL0016020cellular_componentmembrane
AL0016651molecular_functionoxidoreductase activity, acting on NAD(P)H
AL0032981biological_processmitochondrial respiratory chain complex I assembly
AL0051539molecular_function4 iron, 4 sulfur cluster binding
AM0031966cellular_componentmitochondrial membrane
AN0005743cellular_componentmitochondrial inner membrane
AN0022904biological_processrespiratory electron transport chain
AO0008137molecular_functionNADH dehydrogenase (ubiquinone) activity
AO0016651molecular_functionoxidoreductase activity, acting on NAD(P)H
AO1902600biological_processproton transmembrane transport
AP0005743cellular_componentmitochondrial inner membrane
AP0006979biological_processresponse to oxidative stress
AP0016020cellular_componentmembrane
AP0045271cellular_componentrespiratory chain complex I
AR0005743cellular_componentmitochondrial inner membrane
AR0022900biological_processelectron transport chain
AS0005743cellular_componentmitochondrial inner membrane
AS0006979biological_processresponse to oxidative stress
AT0008137molecular_functionNADH dehydrogenase (ubiquinone) activity
AT0009060biological_processaerobic respiration
AT0015990biological_processelectron transport coupled proton transport
AT0045271cellular_componentrespiratory chain complex I
AT0048038molecular_functionquinone binding
AT0051536molecular_functioniron-sulfur cluster binding
AT0051539molecular_function4 iron, 4 sulfur cluster binding
AV0000035molecular_functionacyl binding
AV0000036molecular_functionacyl carrier activity
AV0005739cellular_componentmitochondrion
AV0006633biological_processfatty acid biosynthetic process
AV1902494cellular_componentcatalytic complex
AW0000035molecular_functionacyl binding
AW0000036molecular_functionacyl carrier activity
AW0005739cellular_componentmitochondrion
AW0006633biological_processfatty acid biosynthetic process
AW1902494cellular_componentcatalytic complex
AX0008137molecular_functionNADH dehydrogenase (ubiquinone) activity
AX0016020cellular_componentmembrane
AX0030964cellular_componentNADH dehydrogenase complex
AX0031966cellular_componentmitochondrial membrane
AX1902600biological_processproton transmembrane transport
AZ0005743cellular_componentmitochondrial inner membrane
b0005739cellular_componentmitochondrion
b0046872molecular_functionmetal ion binding
B0005739cellular_componentmitochondrion
B0046872molecular_functionmetal ion binding
B60016020cellular_componentmembrane
BI0005739cellular_componentmitochondrion
BI0009055molecular_functionelectron transfer activity
BI0022900biological_processelectron transport chain
BI0051536molecular_functioniron-sulfur cluster binding
BI0051537molecular_function2 iron, 2 sulfur cluster binding
BI0140647biological_processP450-containing electron transport chain
BJ0005737cellular_componentcytoplasm
BR0005739cellular_componentmitochondrion
BR0006120biological_processmitochondrial electron transport, NADH to ubiquinone
c0009055molecular_functionelectron transfer activity
c0016020cellular_componentmembrane
c0016491molecular_functionoxidoreductase activity
c0022904biological_processrespiratory electron transport chain
C0009055molecular_functionelectron transfer activity
C0016020cellular_componentmembrane
C0016491molecular_functionoxidoreductase activity
C0022904biological_processrespiratory electron transport chain
CA0000104molecular_functionsuccinate dehydrogenase activity
CA0005743cellular_componentmitochondrial inner membrane
CA0006099biological_processtricarboxylic acid cycle
CA0006121biological_processmitochondrial electron transport, succinate to ubiquinone
CA0008177molecular_functionsuccinate dehydrogenase (quinone) activity
CA0009055molecular_functionelectron transfer activity
CA0016020cellular_componentmembrane
CA0016491molecular_functionoxidoreductase activity
CA0016627molecular_functionoxidoreductase activity, acting on the CH-CH group of donors
CA0022900biological_processelectron transport chain
CA0050660molecular_functionflavin adenine dinucleotide binding
CA0160308molecular_functionsuccinate dehydrogenase (FAD) activity
CB0005743cellular_componentmitochondrial inner membrane
CB0006099biological_processtricarboxylic acid cycle
CB0008177molecular_functionsuccinate dehydrogenase (quinone) activity
CB0009055molecular_functionelectron transfer activity
CB0009060biological_processaerobic respiration
CB0016491molecular_functionoxidoreductase activity
CB0022904biological_processrespiratory electron transport chain
CB0051536molecular_functioniron-sulfur cluster binding
CB0051537molecular_function2 iron, 2 sulfur cluster binding
d0005739cellular_componentmitochondrion
d0006122biological_processmitochondrial electron transport, ubiquinol to cytochrome c
d0009055molecular_functionelectron transfer activity
d0016020cellular_componentmembrane
d0020037molecular_functionheme binding
D0005739cellular_componentmitochondrion
D0006122biological_processmitochondrial electron transport, ubiquinol to cytochrome c
D0009055molecular_functionelectron transfer activity
D0016020cellular_componentmembrane
D0020037molecular_functionheme binding
Da0004129molecular_functioncytochrome-c oxidase activity
Da0005743cellular_componentmitochondrial inner membrane
Da0006119biological_processoxidative phosphorylation
Da0006123biological_processmitochondrial electron transport, cytochrome c to oxygen
Da0009060biological_processaerobic respiration
Da0015990biological_processelectron transport coupled proton transport
Da0016020cellular_componentmembrane
Da0020037molecular_functionheme binding
Da0022904biological_processrespiratory electron transport chain
DA0004129molecular_functioncytochrome-c oxidase activity
DA0005743cellular_componentmitochondrial inner membrane
DA0006119biological_processoxidative phosphorylation
DA0006123biological_processmitochondrial electron transport, cytochrome c to oxygen
DA0009060biological_processaerobic respiration
DA0015990biological_processelectron transport coupled proton transport
DA0016020cellular_componentmembrane
DA0020037molecular_functionheme binding
DA0022904biological_processrespiratory electron transport chain
Db0004129molecular_functioncytochrome-c oxidase activity
Db0005507molecular_functioncopper ion binding
Db0016020cellular_componentmembrane
Db0042773biological_processATP synthesis coupled electron transport
Db1902600biological_processproton transmembrane transport
DB0004129molecular_functioncytochrome-c oxidase activity
DB0005507molecular_functioncopper ion binding
DB0016020cellular_componentmembrane
DB0042773biological_processATP synthesis coupled electron transport
DB1902600biological_processproton transmembrane transport
Dd0005740cellular_componentmitochondrial envelope
Dd0006123biological_processmitochondrial electron transport, cytochrome c to oxygen
Dd0045277cellular_componentrespiratory chain complex IV
DD0005740cellular_componentmitochondrial envelope
DD0006123biological_processmitochondrial electron transport, cytochrome c to oxygen
DD0045277cellular_componentrespiratory chain complex IV
Dk0003700molecular_functionDNA-binding transcription factor activity
Dk0005634cellular_componentnucleus
Dk0006355biological_processregulation of DNA-templated transcription
DK0003700molecular_functionDNA-binding transcription factor activity
DK0005634cellular_componentnucleus
DK0006355biological_processregulation of DNA-templated transcription
Dp0005743cellular_componentmitochondrial inner membrane
Dp0016020cellular_componentmembrane
DP0005743cellular_componentmitochondrial inner membrane
DP0016020cellular_componentmembrane
Ds0016020cellular_componentmembrane
DS0016020cellular_componentmembrane
Du0016020cellular_componentmembrane
DU0016020cellular_componentmembrane
Dv0016020cellular_componentmembrane
DV0016020cellular_componentmembrane
Dw0005743cellular_componentmitochondrial inner membrane
Dw0016020cellular_componentmembrane
DW0005743cellular_componentmitochondrial inner membrane
DW0016020cellular_componentmembrane
e0016020cellular_componentmembrane
e0051537molecular_function2 iron, 2 sulfur cluster binding
E0016020cellular_componentmembrane
E0051537molecular_function2 iron, 2 sulfur cluster binding
Ef0005737cellular_componentcytoplasm
Ef0005739cellular_componentmitochondrion
Ef0043231cellular_componentintracellular membrane-bounded organelle
Ef0051537molecular_function2 iron, 2 sulfur cluster binding
EF0005737cellular_componentcytoplasm
EF0005739cellular_componentmitochondrion
EF0043231cellular_componentintracellular membrane-bounded organelle
EF0051537molecular_function2 iron, 2 sulfur cluster binding
f0005743cellular_componentmitochondrial inner membrane
f0016020cellular_componentmembrane
F0005743cellular_componentmitochondrial inner membrane
F0016020cellular_componentmembrane
Fa0005743cellular_componentmitochondrial inner membrane
FA0005743cellular_componentmitochondrial inner membrane
Functional Information from PROSITE/UniProt
site_idPS00012
Number of Residues16
DetailsPHOSPHOPANTETHEINE Phosphopantetheine attachment site. KLGLDSLDQTALLASI
ChainResidueDetails
AVLYS90-ILE105

site_idPS00022
Number of Residues12
DetailsEGF_1 EGF-like domain signature 1. CsCgiSqsGPwC
ChainResidueDetails
EFCYS99-CYS110

site_idPS00077
Number of Residues55
DetailsCOX1_CUB Heme-copper oxidase catalytic subunit, copper B binding region signature. WFFGHPeVyvliiptfgfinmivphnntrrvaskhhmiwaiyvmaymgylvwg..HH
ChainResidueDetails
DATRP387-HIS441

site_idPS00197
Number of Residues9
Details2FE2S_FER_1 2Fe-2S ferredoxin-type iron-sulfur binding region signature. CREGICGSC
ChainResidueDetails
CBCYS122-CYS130

site_idPS00198
Number of Residues12
Details4FE4S_FER_1 4Fe-4S ferredoxin-type iron-sulfur binding region signature. CiACKlCQsACP
ChainResidueDetails
ALCYS136-PRO147
ALCYS175-PRO186
CBCYS215-PRO226

site_idPS00213
Number of Residues13
DetailsLIPOCALIN Lipocalin signature. NWEy.QYDGQWWSM
ChainResidueDetails
BTASN81-MET93

site_idPS00504
Number of Residues10
DetailsFRD_SDH_FAD_BINDING Fumarate reductase / succinate dehydrogenase FAD-binding site. RSHTvaAqGG
ChainResidueDetails
CAARG84-GLY93

site_idPS00535
Number of Residues12
DetailsCOMPLEX1_49K Respiratory chain NADH dehydrogenase 49 Kd subunit signature. LHRGsEKLiEdR
ChainResidueDetails
AELEU62-ARG73

site_idPS00542
Number of Residues22
DetailsCOMPLEX1_30K Respiratory chain NADH dehydrogenase 30 Kd subunit signature. EREtsEMYginykwKidtRkLL
ChainResidueDetails
AOGLU136-LEU157

site_idPS00641
Number of Residues18
DetailsCOMPLEX1_75K_1 Respiratory-chain NADH dehydrogenase 75 Kd subunit signature 1. PrfCYherlsvaGnCRmC
ChainResidueDetails
ABPRO62-CYS79

site_idPS00642
Number of Residues13
DetailsCOMPLEX1_75K_2 Respiratory-chain NADH dehydrogenase 75 Kd subunit signature 2. CPiCDqGGeCdLQ
ChainResidueDetails
ABCYS129-GLN141

site_idPS00643
Number of Residues11
DetailsCOMPLEX1_75K_3 Respiratory-chain NADH dehydrogenase 75 Kd subunit signature 3. RCIhCtRCVrF
ChainResidueDetails
ABARG176-PHE186

site_idPS00645
Number of Residues12
DetailsCOMPLEX1_51K_2 Respiratory-chain NADH dehydrogenase 51 Kd subunit signature 2. ESCGqCtPCReG
ChainResidueDetails
ADGLU378-GLY389

site_idPS00667
Number of Residues16
DetailsCOMPLEX1_ND1_1 Respiratory-chain NADH dehydrogenase subunit 1 signature 1. GRLQyIaDALKLFiKG
ChainResidueDetails
AHGLY63-GLY78

site_idPS00668
Number of Residues14
DetailsCOMPLEX1_ND1_2 Respiratory-chain NADH dehydrogenase subunit 1 signature 2. PFDLAEAEseLVt.G
ChainResidueDetails
AHPRO218-GLY231

site_idPS00848
Number of Residues23
DetailsCOX5B_1 Cytochrome c oxidase subunit Vb, zinc binding region signature. LLFfllregslqrCmgCGqvFKL
ChainResidueDetails
DDLEU175-LEU197

254917

PDB entries from 2026-06-10

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