A0A0F6NP83 · A0A0F6NP83_9POAL

  • Protein
    NADH-quinone oxidoreductase subunit N
  • Gene
    ndhB
  • Status
    UniProtKB unreviewed (TrEMBL)
  • Amino acids
  • Protein existence
    Inferred from homology
  • Annotation score
    3/5

Function

function

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.
NDH-1 shuttles electrons from NADH, via FMN and iron-sulfur (Fe-S) centers, to quinones in the respiratory chain. The immediate electron acceptor for the enzyme in this species is believed to be ubiquinone. Couples the redox reaction to proton translocation (for every two electrons transferred, four hydrogen ions are translocated across the cytoplasmic membrane), and thus conserves the redox energy in a proton gradient.

Catalytic activity

GO annotations

AspectTerm
Cellular Componentplasma membrane
Cellular Componentplastid
Cellular Componentthylakoid
Molecular FunctionNADH dehydrogenase (ubiquinone) activity
Molecular FunctionNADH:ubiquinone reductase (non-electrogenic) activity
Molecular Functionquinone binding
Biological ProcessATP synthesis coupled electron transport

Keywords

Enzyme and pathway databases

Names & Taxonomy

Protein names

  • Recommended name
    NADH-quinone oxidoreductase subunit N
  • EC number
  • Alternative names
    • NADH dehydrogenase I subunit N
    • NDH-1 subunit N

Gene names

    • Name
      ndhB
    • Synonyms
      nuoN
    • ORF names
      NeatC_p063
      , NeatC_p079

Encoded on

  • Plastid

Organism names

  • Taxonomic identifier
  • Organism
  • Taxonomic lineage
    Eukaryota > Viridiplantae > Streptophyta > Embryophyta > Tracheophyta > Spermatophyta > Magnoliopsida > Liliopsida > Poales > Poaceae > BOP clade > Bambusoideae > Bambusodae > Bambuseae > Dinochloinae > Neololeba

Accessions

  • Primary accession
    A0A0F6NP83

Subcellular Location

Cell membrane
; Multi-pass membrane protein
Membrane
; Multi-pass membrane protein

Features

Showing features for transmembrane.

TypeIDPosition(s)Description
Transmembrane25-47Helical
Transmembrane59-79Helical
Transmembrane99-119Helical
Transmembrane126-143Helical
Transmembrane181-203Helical
Transmembrane223-242Helical
Transmembrane295-316Helical
Transmembrane323-342Helical
Transmembrane348-372Helical
Transmembrane393-415Helical
Transmembrane427-448Helical

Keywords

PTM/Processing

Keywords

Interaction

Subunit

NDH-1 is composed of 14 different subunits. Subunits NuoA, H, J, K, L, M, N constitute the membrane sector of the complex.

Family & Domains

Features

Showing features for domain.

TypeIDPosition(s)Description
Domain18-117NAD(P)H-quinone oxidoreductase subunit 2 N-terminal
Domain146-443NADH:quinone oxidoreductase/Mrp antiporter membrane subunit

Sequence similarities

Belongs to the complex I subunit 2 family.

Keywords

Family and domain databases

Sequence

  • Sequence status
    Complete
  • Length
    510
  • Mass (Da)
    56,766
  • Last updated
    2015-07-22 v1
  • Checksum
    9F3020641EC869C3
MIWHVQNENFILDSTRIFMKAFHLLLFHGSFIFPECILIFGLILLLMIDSTSDQKDRPWFYFISSTSLVISITALLFRWREEPIISFSGNFQTNNFNEIFQFLILLCSTLCIPLSVEYIECTEMAITEFLLFVLTATLGGMFLCGANDLITIFVAPECFSLCSYLLSGYTKRDLRSNEATMKYLLMGGASSSILVHGFSWLYGSSGGEIELQEIVNGLINTQMYNSPGISIALISITVGLGFKLSPAPFHQWTPDVYEGSPTPVVAFLSVTSKVAASASATRILDIPFYFSSNEWHLLLEILAILSMILGNLLAITQTSMKRMLAYSSIGQIGYVIIGIIVGDSNDGYASMITYMLFYISMNLGTFACIVLFGLRTGTDNIRDYAGLYTKDPFLALSLALCLLSLGGLPPLAGFFGKLYLFWCGWQAGLYFLVSIGLLTSVLSIYYYLKIIKLLMTGRNQEITPYVRNYRRSPLRSNNSIELSMTVCVIASTIPGISMNPILAIAQDTLF

Sequence databases

Nucleotide SequenceProtein SequenceMolecule TypeStatus
KJ870996
EMBL· GenBank· DDBJ
AIM53576.1
EMBL· GenBank· DDBJ
Genomic DNA
KJ870996
EMBL· GenBank· DDBJ
AIM53592.1
EMBL· GenBank· DDBJ
Genomic DNA

Genome annotation databases

Similar Proteins

Disclaimer

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