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Q43844

- NDUS7_SOLTU

UniProt

Q43844 - NDUS7_SOLTU

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Protein

NADH dehydrogenase [ubiquinone] iron-sulfur protein 7, mitochondrial

Gene
N/A
Organism
Solanum tuberosum (Potato)
Status
Reviewed - 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.UniRule annotation

Catalytic activityi

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

Cofactori

Binds 1 4Fe-4S cluster Reviewed prediction.

Sites

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Metal bindingi88 – 881Iron-sulfur (4Fe-4S) Reviewed prediction
Metal bindingi89 – 891Iron-sulfur (4Fe-4S) Reviewed prediction
Metal bindingi153 – 1531Iron-sulfur (4Fe-4S) Reviewed prediction
Metal bindingi183 – 1831Iron-sulfur (4Fe-4S) Reviewed prediction

GO - Molecular functioni

  1. 4 iron, 4 sulfur cluster binding Source: UniProtKB-KW
  2. metal ion binding Source: UniProtKB-KW
  3. NADH dehydrogenase (ubiquinone) activity Source: UniProtKB-EC
  4. quinone binding Source: InterPro
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 7, mitochondrial (EC:1.6.5.3, EC:1.6.99.3)
Alternative name(s):
Complex I-20kD
Short name:
CI-20kD
NADH-ubiquinone oxidoreductase 20 kDa subunit
OrganismiSolanum tuberosum (Potato)
Taxonomic identifieri4113 [NCBI]
Taxonomic lineageiEukaryotaViridiplantaeStreptophytaEmbryophytaTracheophytaSpermatophytaMagnoliophytaeudicotyledonsGunneridaePentapetalaeasteridslamiidsSolanalesSolanaceaeSolanoideaeSolaneaeSolanum
ProteomesiUP000011115: Unplaced

Subcellular locationi

GO - Cellular componenti

  1. mitochondrion Source: UniProtKB-SubCell
  2. respiratory chain Source: UniProtKB-KW
Complete GO annotation...

Keywords - Cellular componenti

Mitochondrion

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Transit peptidei1 – 3131Mitochondrion Reviewed predictionAdd
BLAST
Chaini32 – 213182NADH dehydrogenase [ubiquinone] iron-sulfur protein 7, mitochondrialUniRule annotationPRO_0000020035Add
BLAST

Interactioni

Subunit structurei

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

Structurei

3D structure databases

ProteinModelPortaliQ43844.

Family & Domainsi

Sequence similaritiesi

Keywords - Domaini

Transit peptide

Family and domain databases

Gene3Di3.40.50.700. 1 hit.
HAMAPiMF_01356. NDH1_NuoB.
InterProiIPR006137. NADH_UbQ_OxRdtase-like_20kDa.
IPR006138. NADH_UQ_OxRdtase_20Kd_su.
[Graphical view]
PfamiPF01058. Oxidored_q6. 1 hit.
[Graphical view]
TIGRFAMsiTIGR01957. nuoB_fam. 1 hit.
PROSITEiPS01150. COMPLEX1_20K. 1 hit.
[Graphical view]

Sequencei

Sequence statusi: Complete.

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

Q43844-1 [UniParc]FASTAAdd to Basket

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MALIARNAKL LTGTAPFLQR AATIHTTLPS LSQQPASSPA TSGGAQPPSM    50
NTPAGISKPA EYVISKVDDL MNWARRGSIW PMTFGLACCA VEMMHAGAAR 100
YDFDRFGIIF RPSPRQSDVM IVAGTLTNKM APALRKVYDQ MPEPRWVISM 150
GSCANGGGYY HYSYAVVRGC DRIVPVDIYV PGCPPTAEAL LYGILQLQKK 200
INRRKDLLMW WTQ 213
Length:213
Mass (Da):23,396
Last modified:November 1, 1996 - v1
Checksum:i8047FAB323418FCB
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
X96671 mRNA. Translation: CAA65451.1.
PIRiT07603.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
X96671 mRNA. Translation: CAA65451.1 .
PIRi T07603.

3D structure databases

ProteinModelPortali Q43844.
ModBasei Search...
MobiDBi Search...

Protocols and materials databases

Structural Biology Knowledgebase Search...

Family and domain databases

Gene3Di 3.40.50.700. 1 hit.
HAMAPi MF_01356. NDH1_NuoB.
InterProi IPR006137. NADH_UbQ_OxRdtase-like_20kDa.
IPR006138. NADH_UQ_OxRdtase_20Kd_su.
[Graphical view ]
Pfami PF01058. Oxidored_q6. 1 hit.
[Graphical view ]
TIGRFAMsi TIGR01957. nuoB_fam. 1 hit.
PROSITEi PS01150. COMPLEX1_20K. 1 hit.
[Graphical view ]
ProtoNeti Search...

Publicationsi

  1. "The plant mitochondrial 22 kDa (PSST) subunit of respiratory chain complex I is encoded by a nuclear gene with enhanced transcript levels in flowers."
    Heiser V., Grohmann L., Brennicke A.
    Plant Mol. Biol. 31:1195-1204(1996) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [MRNA].
    Strain: cv. Desiree.
    Tissue: Leaf.

Entry informationi

Entry nameiNDUS7_SOLTU
AccessioniPrimary (citable) accession number: Q43844
Entry historyi
Integrated into UniProtKB/Swiss-Prot: November 1, 1997
Last sequence update: November 1, 1996
Last modified: February 19, 2014
This is version 77 of the entry and version 1 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programPlant Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Complete proteome, Reference proteome

Documents

  1. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3

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