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Protein

NADH dehydrogenase [ubiquinone] iron-sulfur protein 8, mitochondrial

Gene

NDUFS8

Organism
Pongo pygmaeus (Bornean orangutan)
Status
Reviewed-Annotation score: Annotation score: 3 out of 5-Experimental evidence at transcript leveli

Functioni

Core subunit of the mitochondrial membrane respiratory chain NADH dehydrogenase (Complex I) that is believed to belong to the minimal assembly required for catalysis. Complex I functions in the transfer of electrons from NADH to the respiratory chain. The immediate electron acceptor for the enzyme is believed to be ubiquinone (By similarity).By similarity

Catalytic activityi

NADH + ubiquinone + 5 H+(In) = NAD+ + ubiquinol + 4 H+(Out).
NADH + acceptor = NAD+ + reduced acceptor.

Cofactori

[4Fe-4S] clusterBy similarityNote: Binds 2 [4Fe-4S] clusters per subunit.By similarity

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Metal bindingi111Iron-sulfur 1 (4Fe-4S)By similarity1
Metal bindingi114Iron-sulfur 1 (4Fe-4S)By similarity1
Metal bindingi117Iron-sulfur 1 (4Fe-4S)By similarity1
Metal bindingi121Iron-sulfur 2 (4Fe-4S)By similarity1
Metal bindingi150Iron-sulfur 2 (4Fe-4S)By similarity1
Metal bindingi153Iron-sulfur 2 (4Fe-4S)By similarity1
Metal bindingi156Iron-sulfur 2 (4Fe-4S)By similarity1
Metal bindingi160Iron-sulfur 1 (4Fe-4S)By similarity1

GO - Molecular functioni

GO - Biological processi

Complete GO annotation...

Keywords - Molecular functioni

Oxidoreductase

Keywords - Biological processi

Electron transport, Respiratory chain, Transport

Keywords - Ligandi

4Fe-4S, Iron, Iron-sulfur, Metal-binding, NAD, Ubiquinone

Names & Taxonomyi

Protein namesi
Recommended name:
NADH dehydrogenase [ubiquinone] iron-sulfur protein 8, mitochondrial (EC:1.6.5.3, EC:1.6.99.3)
Alternative name(s):
Complex I-23kD
Short name:
CI-23kD
NADH-ubiquinone oxidoreductase 23 kDa subunit
Gene namesi
Name:NDUFS8
OrganismiPongo pygmaeus (Bornean orangutan)
Taxonomic identifieri9600 [NCBI]
Taxonomic lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiMammaliaEutheriaEuarchontogliresPrimatesHaplorrhiniCatarrhiniHominidaePongo

Subcellular locationi

GO - Cellular componenti

Complete GO annotation...

Keywords - Cellular componenti

Mitochondrion

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Transit peptidei1 – 34MitochondrionBy similarityAdd BLAST34
ChainiPRO_000038926735 – 210NADH dehydrogenase [ubiquinone] iron-sulfur protein 8, mitochondrialAdd BLAST176

Interactioni

Subunit structurei

Complex I is composed of 45 different subunits This is a component of the iron-sulfur (IP) fragment of the enzyme.By similarity

Structurei

3D structure databases

ProteinModelPortaliP0CB98.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Domains and Repeats

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Domaini102 – 1314Fe-4S ferredoxin-type 1Add BLAST30
Domaini141 – 1704Fe-4S ferredoxin-type 2Add BLAST30

Sequence similaritiesi

Belongs to the complex I 23 kDa subunit family.Curated
Contains 2 4Fe-4S ferredoxin-type domains.Curated

Keywords - Domaini

Repeat, Transit peptide

Phylogenomic databases

HOGENOMiHOG000228289.

Family and domain databases

HAMAPiMF_01351. NDH1_NuoI. 1 hit.
InterProiIPR017896. 4Fe4S_Fe-S-bd.
IPR017900. 4Fe4S_Fe_S_CS.
IPR010226. NADH_quinone_OxRdtase_chainI.
[Graphical view]
PfamiPF12838. Fer4_7. 1 hit.
[Graphical view]
TIGRFAMsiTIGR01971. NuoI. 1 hit.
PROSITEiPS00198. 4FE4S_FER_1. 2 hits.
PS51379. 4FE4S_FER_2. 2 hits.
[Graphical view]

Sequencei

Sequence statusi: Complete.

Sequence processingi: The displayed sequence is further processed into a mature form.

P0CB98-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MRCLTTPMLL RALAQAARAG PPGGRSLHSS AVAATYKYVN MQDPEMDMKS
60 70 80 90 100
VTDRAARTLL WTELFRGLGM TLSYLFREPA TINYPFEKGP LSPRFRGEHA
110 120 130 140 150
LRRYPSGEER CIACKLCEAI CPAQAITIEA EPRADGSRRT TRYDIDMTKC
160 170 180 190 200
IYCGFCQEAC PVDAIVEGPN FEFSTETHEE LLYNKEKLLN NGDKWEAEIA
210
ANIQADYLYR
Length:210
Mass (Da):23,705
Last modified:November 24, 2009 - v1
Checksum:i8C3EBD205BFA0112
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
DQ885653 mRNA. Translation: ABH12162.1.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
DQ885653 mRNA. Translation: ABH12162.1.

3D structure databases

ProteinModelPortaliP0CB98.
ModBaseiSearch...
MobiDBiSearch...

Protocols and materials databases

Structural Biology KnowledgebaseSearch...

Phylogenomic databases

HOGENOMiHOG000228289.

Family and domain databases

HAMAPiMF_01351. NDH1_NuoI. 1 hit.
InterProiIPR017896. 4Fe4S_Fe-S-bd.
IPR017900. 4Fe4S_Fe_S_CS.
IPR010226. NADH_quinone_OxRdtase_chainI.
[Graphical view]
PfamiPF12838. Fer4_7. 1 hit.
[Graphical view]
TIGRFAMsiTIGR01971. NuoI. 1 hit.
PROSITEiPS00198. 4FE4S_FER_1. 2 hits.
PS51379. 4FE4S_FER_2. 2 hits.
[Graphical view]
ProtoNetiSearch...

Entry informationi

Entry nameiNDUS8_PONPY
AccessioniPrimary (citable) accession number: P0CB98
Secondary accession number(s): Q0MQI1, Q5RC57
Entry historyi
Integrated into UniProtKB/Swiss-Prot: November 24, 2009
Last sequence update: November 24, 2009
Last modified: November 30, 2016
This is version 39 of the entry and version 1 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programChordata Protein Annotation Program

Miscellaneousi

Documents

  1. SIMILARITY comments
    Index of protein domains and families

Similar proteinsi

Links to similar proteins from the UniProt Reference Clusters (UniRef) at 100%, 90% and 50% sequence identity:
100%UniRef100 combines identical sequences and sub-fragments with 11 or more residues from any organism into one UniRef entry.
90%UniRef90 is built by clustering UniRef100 sequences that have at least 90% sequence identity to, and 80% overlap with, the longest sequence (a.k.a seed sequence).
50%UniRef50 is built by clustering UniRef90 seed sequences that have at least 50% sequence identity to, and 80% overlap with, the longest sequence in the cluster.