Halobacterium salinarum S10 Recombinant Sensory Rhodopsin-1 (from E. coli)
Catalog # 77392-868
Supplier: CUBE BIOTECH
CAS Number:
Specifications
- Protein/Peptide Type:Recombinant
- Source:E. coli
- Species:Halobacterium salinarum S10
- Size:100 µg
- Amino Acid Number:234
- Protein Synonyms:SR-1, HsSRI
- Protein/Peptide Name:Sensory Rhodopsin-1
- Purity:>98%
- Molecular Weight:25423 Da
- Sequence:MDAVATAYLG GAVALIVGVA FVWLLYRSLD GSPHQSALAP LAIIPVFAGL SYVGMAYDIG TVIVNGNQIV GLRYIDWLVT TPILVGYVGY AAGASRRSII GVMVADALMI AVGAGAVVTD GTLKWALFGV SSIFHLSLFA YLYVIFPRVV PDVPEQIGLF NLLKNHIGLL WLAYPLVWLF GPAGIGEATA AGVALTYVFL DVLAKVPYVY FFYARRRVFM HSESHHHHHH HHHH
- Cat. No.:77392-868
Specifications
About this item
Sensory rhodopsin-1 (SR-1) is a 7-transmembrane protein that acts as a phototaxis receptor in archaebacteria.
- Alternative names: Sensory rhodopsin-1 (SR-1, HsSRI)
- UniProt Number: P0DMH8
- Protein class:7-transmembrane protein
- Organism: Halobacterium salinarum S9
- Sequence, explained: Wild-type sequence 1-234 aa (lacking 15 aa at the C-terminus), 10× his-tag
- Affinity tags:His-tag (C-terminus)
- Expression Host: E.coli
- Buffer composition: 4 M NaCl, 50 mM MES pH 6.0, 0.03% dodecyl maltoside (DDM)
- Purified vial: PureCube Ni-NTA Agarose
- Absorbance: Extinction coefficient at 560 nm: 63000 M⁻¹ cm⁻¹
- Activity: Binding of ligand all-trans retinal, covalently bound to a lysine residue. Evaluation of UV-VIS spectrum: absorbance ratio 280/ 590 nm = 1.7
- Function: Photoreceptor protein undergoing a photocycle, Retinal protein, phototaxis receptor
Due to Sensory rhodopsin-2's covalently bound colored ligand, SR-2 is ideal for use as a control membrane protein, for example, for crystallization assays and biochemical/biophysical experiments. We provide SR-1 of high purity, purified from E. coli as a his-tagged protein.