2020
DOI: 10.1134/s1607672920060162
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Novel pH-Sensitive Microbial Rhodopsin from Sphingomonas paucimobilis

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Cited by 16 publications
(14 citation statements)
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“…Further analysis indicated that these sequences fall within the bacterial/archaeal type 1 rhodopsin clade and contain both the retinal-binding lysine associated with light sensitivity and a DTS motif (see Fig. S3 at https://doi.org/10.5281/zenodo.4560554 ), suggesting that they may function as proton pumps ( 90 , 91 ). Distinct rhodopsin sequences were also recovered in the genomes of environmental Absconditabacteria (NDQ motif) and Gracilibacteria (DTE motif), although they were not statistically enriched (see Fig.…”
Section: Resultsmentioning
confidence: 99%
“…Further analysis indicated that these sequences fall within the bacterial/archaeal type 1 rhodopsin clade and contain both the retinal-binding lysine associated with light sensitivity and a DTS motif (see Fig. S3 at https://doi.org/10.5281/zenodo.4560554 ), suggesting that they may function as proton pumps ( 90 , 91 ). Distinct rhodopsin sequences were also recovered in the genomes of environmental Absconditabacteria (NDQ motif) and Gracilibacteria (DTE motif), although they were not statistically enriched (see Fig.…”
Section: Resultsmentioning
confidence: 99%
“…The residues at these positions play critical roles in other types of microbial rhodopsins. Furthermore, there is a substantial correlation between the function and motif types especially in ion-pumping rhodopsins [2,16]: e.g., DTD/DTE/DTK/DTG/DTS: outward H + pump [10,[17][18][19], TSA/TSD/TTD/NTQ: inward Cl − pump [20][21][22][23], NDQ: outward H + pump [5], FSD/FSE: inward H + pump, etc. Interestingly, xenorhodopsins (XeR), a group of inward H +pumping rhodopsins [24], show diversified motifs (DSX/DTX where X is A, I, L, M S, or T).…”
Section: Introductionmentioning
confidence: 99%
“…S1) (3,6). Another outward H + pumping rhodopsin, SpaR, is phylogenetically very close to DTG rhodopsin but has a serine residue at the position homologous to BR Asp96 (DTS motif) (28). Therefore, we refer to these rhodopsins without a cytoplasmic donor as "DTG/DTS rhodopsin".…”
Section: Introductionmentioning
confidence: 99%