Q2RSB4 · PNTB_RHORT
- ProteinNAD(P) transhydrogenase subunit beta
- GenepntB
- StatusUniProtKB reviewed (Swiss-Prot)
- Amino acids464 (go to sequence)
- Protein existenceEvidence at protein level
- Annotation score3/5
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
- NAD+ + NADPH + H+(in) = NADH + NADP+ + H+(out)
Features
Showing features for binding site.
Type | ID | Position(s) | Description | ||
---|---|---|---|---|---|
Binding site | 316-317 | NADP+ (UniProtKB | ChEBI) | |||
Binding site | 348-353 | NADP+ (UniProtKB | ChEBI) | |||
Binding site | 390-394 | NADP+ (UniProtKB | ChEBI) | |||
Binding site | 425-432 | NADP+ (UniProtKB | ChEBI) | |||
Binding site | 451-452 | NADP+ (UniProtKB | ChEBI) | |||
GO annotations
Aspect | Term | |
---|---|---|
Cellular Component | plasma membrane | |
Molecular Function | NADP binding | |
Molecular Function | proton-translocating NAD(P)+ transhydrogenase activity |
Keywords
- Molecular function
- Ligand
Enzyme and pathway databases
Names & Taxonomy
Protein names
- Recommended nameNAD(P) transhydrogenase subunit beta
- EC number
- Alternative names
Gene names
Organism names
- Strain
- Taxonomic lineageBacteria > Pseudomonadota > Alphaproteobacteria > Rhodospirillales > Rhodospirillaceae > Rhodospirillum
Accessions
- Primary accessionQ2RSB4
- Secondary accessions
Proteomes
Subcellular Location
UniProt Annotation
GO Annotation
Cell inner membrane ; Multi-pass membrane protein
Features
Showing features for transmembrane.
Type | ID | Position(s) | Description | ||
---|---|---|---|---|---|
Transmembrane | 54-74 | Helical | |||
Transmembrane | 86-106 | Helical | |||
Transmembrane | 126-146 | Helical | |||
Transmembrane | 164-184 | Helical | |||
Transmembrane | 191-211 | Helical | |||
Transmembrane | 227-247 | Helical | |||
Keywords
- Cellular component
PTM/Processing
Features
Showing features for chain.
Type | ID | Position(s) | Description | ||
---|---|---|---|---|---|
Chain | PRO_0000231665 | 1-464 | NAD(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
Structure
Sequence
- Sequence statusComplete
- Length464
- Mass (Da)47,808
- Last updated2006-01-24 v1
- Checksum79200D4F8861779B
Keywords
- Technical term
Sequence databases
Nucleotide Sequence | Protein Sequence | Molecule Type | Status | |
---|---|---|---|---|
U05294 EMBL· GenBank· DDBJ | AAA62495.1 EMBL· GenBank· DDBJ | Genomic DNA | ||
CP000230 EMBL· GenBank· DDBJ | ABC22981.1 EMBL· GenBank· DDBJ | Genomic DNA |