Identification |
HMDB Protein ID
| CDBP02644 |
Secondary Accession Numbers
| Not Available |
Name
| Prestin |
Description
| Not Available |
Synonyms
|
- Solute carrier family 26 member 5
|
Gene Name
| SLC26A5 |
Protein Type
| Transporter |
Biological Properties |
General Function
| Involved in secondary active sulfate transmembrane transporter activity |
Specific Function
| Motor protein that converts auditory stimuli to length changes in outer hair cells and mediates sound amplification in the mammalian hearing organ. Prestin is a bidirectional voltage- to-force converter, it can operate at microsecond rates. It uses cytoplasmic anions as extrinsic voltage sensors, probably chloride and bicarbonate. After binding to a site with millimolar affinity, these anions are translocated across the membrane in response to changes in the transmembrane voltage. They move towards the extracellular surface following hyperpolarization, and towards the cytoplasmic side in response to depolarization. As a consequence, this translocation triggers conformational changes in the protein that ultimately alter its surface area in the plane of the plasma membrane. The area decreases when the anion is near the cytoplasmic face of the membrane (short state), and increases when the ion has crossed the membrane to the outer surface (long state). So, it acts as an incomplete transporter. It swings anions across the membrane, but does not allow these anions to dissociate and escape to the extracellular space. Salicylate, an inhibitor of outer hair cell motility, acts as competitive antagonist at the prestin anion-binding site |
GO Classification
|
Component |
integral to membrane |
membrane |
cell part |
membrane part |
intrinsic to membrane |
Function |
inorganic anion transmembrane transporter activity |
sulfate transmembrane transporter activity |
secondary active sulfate transmembrane transporter activity |
transmembrane transporter activity |
substrate-specific transmembrane transporter activity |
ion transmembrane transporter activity |
transporter activity |
anion transmembrane transporter activity |
Process |
establishment of localization |
transport |
transmembrane transport |
anion transport |
inorganic anion transport |
sulfate transport |
ion transport |
|
Cellular Location
|
- Cell membrane
- Multi-pass membrane protein
|
Pathways
|
Not Available
|
Gene Properties |
Chromosome Location
| Chromosome:7 |
Locus
| 7q22.1 |
SNPs
| SLC26A5 |
Gene Sequence
|
>2235 bp
ATGGATCATGCTGAAGAAAATGAAATCCTTGCAGCAACCCAGAGGTACTATGTGGAAAGG
CCTATCTTTAGTCATCCGGTCCTCCAGGAAAGACTACACACAAAGGACAAGGTTCCTGAT
TCCATTGCGGATAAGCTGAAACAGGCATTCACATGTACTCCTAAAAAAATAAGAAATATC
ATTTATATGTTCCTACCCATAACTAAATGGCTGCCAGCATACAAATTCAAGGAATATGTG
TTGGGTGACTTGGTCTCAGGCATAAGCACAGGGGTGCTTCAGCTTCCTCAAGGCTTAGCC
TTTGCAATGCTGGCAGCTGTGCCTCCAATATTTGGCCTGTACTCTTCATTTTACCCTGTT
ATCATGTATTGTTTTCTTGGAACCTCCAGACACATATCCATAGGTCCTTTTGCTGTTATT
AGCCTGATGATTGGTGGTGTAGCTGTTCGATTAGTACCAGATGATATAGTCATTCCAGGA
GGAGTAAATGCAACCAATGGCACAGAGGCCAGAGATGCCTTGAGAGTGAAAGTCGCCATG
TCTGTGACCTTACTTTCAGGAATCATTCAGTTTTGCCTAGGTGTCTGTAGGTTTGGATTT
GTGGCCATATATCTCACAGAGCCTCTGGTCCGTGGGTTTACCACCGCAGCAGCTGTGCAT
GTCTTCACCTCCATGTTAAAATATCTGTTTGGAGTTAAAACAAAGCGGTACAGTGGAATC
TTTTCCGTGGTGTATAGTACAGTTGCTGTGTTGCAGAATGTTAAAAACCTCAACGTGTGT
TCCCTAGGCGTCGGGCTGATGGTTTTTGGTTTGCTGTTGGGTGGCAAGGAGTTTAATGAG
AGATTTAAAGAGAAATTGCCGGCGCCTATTCCTTTAGAGTTCTTTGCGGTCGTAATGGGA
ACTGGCATTTCAGCTGGGTTTAACTTGAAAGAATCATACAATGTGGATGTCGTTGGAACA
CTTCCTCTAGGGCTGCTACCTCCAGCCAATCCGGACACCAGCCTCTTCCACCTTGTGTAC
GTAGATGCCATTGCCATAGCCATCGTTGGATTTTCAGTGACCATCTCCATGGCCAAGACC
TTAGCAAATAAACATGGCTACCAGGTTGACGGCAATCAGGAGCTCATTGCCCTGGGACTG
TGCAATTCCATTGGCTCACTCTTCCAGACCTTTTCAATTTCATGCTCCTTGTCTCGAAGC
CTTGTTCAGGAGGGAACCGGTGGGAAGACACAGCTTGCAGGTTGTTTGGCCTCATTAATG
ATTCTGCTGGTCATATTAGCAACTGGATTCCTCTTTGAATCATTGCCCCAGGCTGTGCTG
TCGGCCATTGTGATTGTCAACCTGAAGGGAATGTTTATGCAGTTCTCAGATCTCCCCTTT
TTCTGGAGAACCAGCAAAATAGAGCTGACCATCTGGCTTACCACTTTTGTGTCCTCCTTG
TTCCTGGGATTGGACTATGGTTTGATCACTGCTGTGATCATTGCTCTGCTGACTGTGATT
TACAGAACACAGAGTCCAAGCTACAAAGTCCTTGGAAAGCTTCCTGAAACTGATGTGTAT
ATTGATATAGACGCATATGAGGAGGTGAAAGAAATTCCTGGAATAAAAATATTTCAAATA
AATGCACCAATTTACTATGCAAATAGCGACTTGTATAGCAATGCATTAAAACGAAAGACT
GGAGTGAACCCAGCAGTCATCATGGGAGCAAGGAGAAAGGCCATGCGGAAGTACGCTAAG
GAAGTCGGAAATGCAAATATGGCCAACGCAACTGTTGTCAAAGCAGATGCAGAAGTAGAT
GGAGAGGATGCTACCAAGCCTGAAGAAGAGGATGGTGAAGTAAAATATCCCCCAATAGTG
ATCAAAAGCACATTTCCTGAGGAAATGCAAAGATTTATGCCCCCAGGGGATAACGTCCAC
ACTGTCATTTTGGATTTCACTCAAGTCAATTTTATTGATTCTGTTGGAGTGAAAACTCTG
GCAGGGATTGTAAAAGAATATGGAGACGTCGGTATATATGTATACTTAGCAGGATGCAGT
GCACAAGTTGTGAATGACCTCACTCGGAATAGATTTTTTGAAAATCCTGCCCTATGGGAG
CTGCTGTTCCACAGCATTCATGATGCAGTTTTAGGCAGCCAACTTAGAGAGGCACTTGCT
GAACAGGAAGCCTCGGCTCCCCCTTCCCAGGAGGACTTGGAGCCCAATGCCACTCCTGCC
ACTCCTGAGGCATAG
|
Protein Properties |
Number of Residues
| 744 |
Molecular Weight
| 81263.0 |
Theoretical pI
| 6.21 |
Pfam Domain Function
|
|
Signals
|
|
Transmembrane Regions
|
- ["80-100", "103-123", "132-152", "184-204", "212-232", "254-274", "287-307", "335-355", "375-395", "412-432", "442-462", "480-500"]
|
Protein Sequence
|
>Prestin
MDHAEENEILAATQRYYVERPIFSHPVLQERLHTKDKVPDSIADKLKQAFTCTPKKIRNI
IYMFLPITKWLPAYKFKEYVLGDLVSGISTGVLQLPQGLAFAMLAAVPPIFGLYSSFYPV
IMYCFLGTSRHISIGPFAVISLMIGGVAVRLVPDDIVIPGGVNATNGTEARDALRVKVAM
SVTLLSGIIQFCLGVCRFGFVAIYLTEPLVRGFTTAAAVHVFTSMLKYLFGVKTKRYSGI
FSVVYSTVAVLQNVKNLNVCSLGVGLMVFGLLLGGKEFNERFKEKLPAPIPLEFFAVVMG
TGISAGFNLKESYNVDVVGTLPLGLLPPANPDTSLFHLVYVDAIAIAIVGFSVTISMAKT
LANKHGYQVDGNQELIALGLCNSIGSLFQTFSISCSLSRSLVQEGTGGKTQLAGCLASLM
ILLVILATGFLFESLPQAVLSAIVIVNLKGMFMQFSDLPFFWRTSKIELTIWLTTFVSSL
FLGLDYGLITAVIIALLTVIYRTQSPSYKVLGKLPETDVYIDIDAYEEVKEIPGIKIFQI
NAPIYYANSDLYSNALKRKTGVNPAVIMGARRKAMRKYAKEVGNANMANATVVKADAEVD
GEDATKPEEEDGEVKYPPIVIKSTFPEEMQRFMPPGDNVHTVILDFTQVNFIDSVGVKTL
AGIVKEYGDVGIYVYLAGCSAQVVNDLTRNRFFENPALWELLFHSIHDAVLGSQLREALA
EQEASAPPSQEDLEPNATPATPEA
|
External Links |
GenBank ID Protein
| Not Available |
UniProtKB/Swiss-Prot ID
| P58743 |
UniProtKB/Swiss-Prot Entry Name
| S26A5_HUMAN |
PDB IDs
|
Not Available |
GenBank Gene ID
| AF523354 |
GeneCard ID
| SLC26A5 |
GenAtlas ID
| SLC26A5 |
HGNC ID
| HGNC:9359 |
References |
General References
| Not Available |