Q2RSB4 · PNTB_RHORT

Function

function

The transhydrogenation between NADH and NADP is coupled to respiration and ATP hydrolysis and functions as a proton pump across the membrane.

Catalytic activity

Features

Showing features for binding site.

146450100150200250300350400450
TypeIDPosition(s)Description
Binding site316-317NADP+ (UniProtKB | ChEBI)
Binding site348-353NADP+ (UniProtKB | ChEBI)
Binding site390-394NADP+ (UniProtKB | ChEBI)
Binding site425-432NADP+ (UniProtKB | ChEBI)
Binding site451-452NADP+ (UniProtKB | ChEBI)

GO annotations

AspectTerm
Cellular Componentplasma membrane
Molecular FunctionNADP binding
Molecular Functionproton-translocating NAD(P)+ transhydrogenase activity

Keywords

Enzyme and pathway databases

Names & Taxonomy

Protein names

  • Recommended name
    NAD(P) transhydrogenase subunit beta
  • EC number
  • Alternative names
    • Nicotinamide nucleotide transhydrogenase subunit beta
    • Proton-translocating transhydrogenase NADP(H)-binding component
    • Pyridine nucleotide transhydrogenase subunit beta
    • dIII

Gene names

    • Name
      pntB
    • Synonyms
      nntB
    • Ordered locus names
      Rru_A2181

Organism names

Accessions

  • Primary accession
    Q2RSB4
  • Secondary accessions
    • Q59763
    • Q59765

Proteomes

Subcellular Location

Cell inner membrane
; Multi-pass membrane protein

Features

Showing features for transmembrane.

TypeIDPosition(s)Description
Transmembrane54-74Helical
Transmembrane86-106Helical
Transmembrane126-146Helical
Transmembrane164-184Helical
Transmembrane191-211Helical
Transmembrane227-247Helical

Keywords

PTM/Processing

Features

Showing features for chain.

TypeIDPosition(s)Description
ChainPRO_00002316651-464NAD(P) transhydrogenase subunit beta

Interaction

Subunit

Complex of an alpha and a beta chain; in Rhodospirillum, the alpha chain seems to be made of two subunits.

Protein-protein interaction databases

Family & Domains

Sequence similarities

Belongs to the PNT beta subunit family.

Keywords

Phylogenomic databases

Family and domain databases

Sequence

  • Sequence status
    Complete
  • Length
    464
  • Mass (Da)
    47,808
  • Last updated
    2006-01-24 v1
  • Checksum
    79200D4F8861779B
MTHSLTMAAYIVAGVLFILALRGLSNPESARNGNRMGMVGMAIAILTTLLSPSVQAYAWIVLAIAIGGAIGTVIAKKVLMTALPQLVAAFHSLVGMAAVLVATGALLNPEAYGIGSAGAIHAGSLVEMSLGLAVGAITFSGSVIAFGKLQGLIAGKPVTFPMQHPLNAVLGILLVVLLVVFAATESHTAYFALMILAFALGFLLIIPIGGADMPVVISMLNSYSGWAAAGIGFTLGNPLLIIAGALVGSSGAILSYIMCKGMNRSIFNVILGGFGSEGGVAAAGGAAGDRSVKAGSAEDAAFIMKNASKVIIVPGYGMAVAQAQHALREMADVLKKEGVEVSYAIHPVAGRMPGHMNVLLAEANVPYDEVFELEEINSSFQTADVAFVIGANDVTNPAAKTDPSSPIYGMPILDVEKAGTVLFIKRSMASGYAGVENELFFRNNTMMLFGDAKKMTEQIVQAMN

Keywords

Sequence databases

Nucleotide SequenceProtein SequenceMolecule TypeStatus
U05294
EMBL· GenBank· DDBJ
AAA62495.1
EMBL· GenBank· DDBJ
Genomic DNA
CP000230
EMBL· GenBank· DDBJ
ABC22981.1
EMBL· GenBank· DDBJ
Genomic DNA

Genome annotation databases

Similar Proteins

Disclaimer

Any medical or genetic information present in this entry is provided for research, educational and informational purposes only. It is not in any way intended to be used as a substitute for professional medical advice, diagnosis, treatment or care. Our staff consists of biologists and biochemists that are not trained to give medical advice.
We'd like to inform you that we have updated our Privacy Notice to comply with Europe’s new General Data Protection Regulation (GDPR) that applies since 25 May 2018.
FeedbackHelp