Sulfide-quinone reductase
Details
- Name
- Sulfide-quinone reductase
- Synonyms
- 1.8.5.4
- SQR
- Sulfide:quinone oxidoreductase
- Gene Name
- sqr
- Organism
- Aquifex aeolicus (strain VF5)
- Amino acid sequence
>lcl|BSEQ0012804|Sulfide-quinone reductase MAKHVVVIGGGVGGIATAYNLRNLMPDLKITLISDRPYFGFTPAFPHLAMGWRKFEDISV PLAPLLPKFNIEFINEKAESIDPDANTVTTQSGKKIEYDYLVIATGPKLVFGAEGQEENS TSICTAEHALETQKKLQELYANPGPVVIGAIPGVSCFGPAYEFALMLHYELKKRGIRYKV PMTFITSEPYLGHFGVGGIGASKRLVEDLFAERNIDWIANVAVKAIEPDKVIYEDLNGNT HEVPAKFTMFMPSFQGPEVVASAGDKVANPANKMVIVNRCFQNPTYKNIFGVGVVTAIPP IEKTPIPTGVPKTGMMIEQMAMAVAHNIVNDIRNNPDKYAPRLSAICIADFGEDAGFFFA DPVIPPRERVITKMGKWAHYFKTAFEKYFLWKVRNGNIAPSFEEKVLEIFLKVHPIELCK DCEGAPGSRC
- Number of residues
- 430
- Molecular Weight
- 47448.675
- Theoretical pI
- 6.99
- GO Classification
- Functionsnucleotide binding / oxidoreductase activity / quinone bindingComponentsmembrane
- General Function
- Quinone binding
- Specific Function
- Catalyzes the oxidation of hydrogen sulfide, with the help of a quinone. Consecutive reaction cycles lead to the accumulation of a polysulfide product on the active site Cys residues; these products are released when they exceed a critical length, typically as cyclooctasulfur.
- Pfam Domain Function
- Pyr_redox_2 (PF07992)
- Transmembrane Regions
- Not Available
- Cellular Location
- Membrane
- Gene sequence
>lcl|BSEQ0012805|Sulfide-quinone reductase (sqr) ATGGCTAAGCACGTTGTAGTAATAGGAGGAGGAGTAGGCGGTATAGCAACCGCTTACAAC CTCAGGAACTTAATGCCCGACCTTAAGATCACCTTAATTTCCGACAGGCCTTACTTCGGA TTTACCCCTGCGTTCCCCCACCTCGCAATGGGATGGAGGAAGTTTGAAGACATTTCCGTA CCACTCGCACCGTTACTTCCCAAGTTCAACATCGAGTTTATAAACGAAAAAGCCGAATCC ATTGACCCTGACGCAAACACCGTAACGACCCAGTCCGGCAAGAAGATTGAGTACGACTAC CTCGTAATAGCTACAGGACCCAAGCTCGTTTTCGGCGCGGAAGGACAGGAAGAGAACTCT ACCTCCATATGTACGGCTGAACACGCACTAGAAACTCAGAAGAAGCTCCAGGAACTTTAC GCAAATCCCGGACCGGTCGTAATAGGTGCTATCCCCGGAGTTAGCTGTTTCGGACCGGCT TACGAGTTCGCTTTAATGCTTCACTACGAACTCAAAAAGAGAGGGATAAGGTACAAGGTT CCCATGACCTTCATTACCTCCGAACCCTACCTTGGACACTTTGGAGTTGGTGGTATAGGT GCTTCAAAGAGACTGGTAGAGGACCTTTTCGCTGAAAGGAACATAGATTGGATTGCAAAC GTAGCAGTCAAGGCTATAGAACCTGACAAGGTTATATACGAAGACCTGAACGGAAACACC CACGAAGTCCCCGCCAAGTTTACCATGTTCATGCCCAGCTTCCAAGGACCTGAGGTAGTT GCTTCCGCGGGAGACAAAGTGGCAAACCCCGCAAACAAGATGGTTATAGTTAACAGGTGC TTCCAGAACCCCACTTACAAGAACATATTCGGAGTAGGTGTTGTAACGGCTATACCCCCT ATAGAAAAGACGCCTATACCCACCGGCGTACCAAAGACGGGTATGATGATTGAGCAAATG GCTATGGCTGTAGCTCACAACATAGTAAACGACATAAGGAACAACCCCGACAAGTACGCT CCGAGACTTTCCGCCATATGTATAGCTGACTTCGGAGAAGACGCTGGATTTTTCTTCGCA GACCCCGTAATACCTCCGAGGGAAAGAGTAATAACCAAGATGGGCAAGTGGGCACACTAC TTCAAGACCGCGTTTGAAAAGTACTTCCTCTGGAAGGTCAGGAACGGAAACATCGCACCC TCCTTTGAAGAAAAGGTACTCGAAATATTCCTCAAGGTTCACCCCATAGAACTTTGTAAG GACTGCGAAGGAGCACCCGGAAGTAGGTGTTAA
- Chromosome Location
- Not Available
- Locus
- Not Available
- External Identifiers
Resource Link UniProtKB ID O67931 UniProtKB Entry Name SQRD_AQUAE GenBank Protein ID 2982776 GenBank Gene ID AE000657 - General References
- Deckert G, Warren PV, Gaasterland T, Young WG, Lenox AL, Graham DE, Overbeek R, Snead MA, Keller M, Aujay M, Huber R, Feldman RA, Short JM, Olsen GJ, Swanson RV: The complete genome of the hyperthermophilic bacterium Aquifex aeolicus. Nature. 1998 Mar 26;392(6674):353-8. [Article]
- Nubel T, Klughammer C, Huber R, Hauska G, Schutz M: Sulfide:quinone oxidoreductase in membranes of the hyperthermophilic bacterium Aquifex aeolicus (VF5). Arch Microbiol. 2000 Apr;173(4):233-44. [Article]
- Marcia M, Ermler U, Peng G, Michel H: The structure of Aquifex aeolicus sulfide:quinone oxidoreductase, a basis to understand sulfide detoxification and respiration. Proc Natl Acad Sci U S A. 2009 Jun 16;106(24):9625-30. doi: 10.1073/pnas.0904165106. Epub 2009 Jun 1. [Article]