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Database: UniProt
Entry: CYSH_SALEP
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Original site: CYSH_SALEP 
ID   CYSH_SALEP              Reviewed;         244 AA.
AC   B5QW34;
DT   24-MAR-2009, integrated into UniProtKB/Swiss-Prot.
DT   04-NOV-2008, sequence version 1.
DT   27-MAR-2024, entry version 78.
DE   RecName: Full=Phosphoadenosine 5'-phosphosulfate reductase {ECO:0000255|HAMAP-Rule:MF_00063};
DE            Short=PAPS reductase {ECO:0000255|HAMAP-Rule:MF_00063};
DE            EC=1.8.4.8 {ECO:0000255|HAMAP-Rule:MF_00063};
DE   AltName: Full=3'-phosphoadenylylsulfate reductase {ECO:0000255|HAMAP-Rule:MF_00063};
DE   AltName: Full=PAPS reductase, thioredoxin dependent {ECO:0000255|HAMAP-Rule:MF_00063};
DE   AltName: Full=PAPS sulfotransferase {ECO:0000255|HAMAP-Rule:MF_00063};
DE   AltName: Full=PAdoPS reductase {ECO:0000255|HAMAP-Rule:MF_00063};
GN   Name=cysH {ECO:0000255|HAMAP-Rule:MF_00063}; OrderedLocusNames=SEN2785;
OS   Salmonella enteritidis PT4 (strain P125109).
OC   Bacteria; Pseudomonadota; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Salmonella.
OX   NCBI_TaxID=550537;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=P125109;
RX   PubMed=18583645; DOI=10.1101/gr.077404.108;
RA   Thomson N.R., Clayton D.J., Windhorst D., Vernikos G., Davidson S.,
RA   Churcher C., Quail M.A., Stevens M., Jones M.A., Watson M., Barron A.,
RA   Layton A., Pickard D., Kingsley R.A., Bignell A., Clark L., Harris B.,
RA   Ormond D., Abdellah Z., Brooks K., Cherevach I., Chillingworth T.,
RA   Woodward J., Norberczak H., Lord A., Arrowsmith C., Jagels K., Moule S.,
RA   Mungall K., Saunders M., Whitehead S., Chabalgoity J.A., Maskell D.,
RA   Humphreys T., Roberts M., Barrow P.A., Dougan G., Parkhill J.;
RT   "Comparative genome analysis of Salmonella enteritidis PT4 and Salmonella
RT   gallinarum 287/91 provides insights into evolutionary and host adaptation
RT   pathways.";
RL   Genome Res. 18:1624-1637(2008).
CC   -!- FUNCTION: Catalyzes the formation of sulfite from phosphoadenosine 5'-
CC       phosphosulfate (PAPS) using thioredoxin as an electron donor.
CC       {ECO:0000255|HAMAP-Rule:MF_00063}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=[thioredoxin]-disulfide + adenosine 3',5'-bisphosphate + 2
CC         H(+) + sulfite = 3'-phosphoadenylyl sulfate + [thioredoxin]-dithiol;
CC         Xref=Rhea:RHEA:11724, Rhea:RHEA-COMP:10698, Rhea:RHEA-COMP:10700,
CC         ChEBI:CHEBI:15378, ChEBI:CHEBI:17359, ChEBI:CHEBI:29950,
CC         ChEBI:CHEBI:50058, ChEBI:CHEBI:58339, ChEBI:CHEBI:58343; EC=1.8.4.8;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00063};
CC   -!- PATHWAY: Sulfur metabolism; hydrogen sulfide biosynthesis; sulfite from
CC       sulfate: step 3/3. {ECO:0000255|HAMAP-Rule:MF_00063}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00063}.
CC   -!- SIMILARITY: Belongs to the PAPS reductase family. CysH subfamily.
CC       {ECO:0000255|HAMAP-Rule:MF_00063}.
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DR   EMBL; AM933172; CAR34364.1; -; Genomic_DNA.
DR   RefSeq; WP_000039870.1; NC_011294.1.
DR   AlphaFoldDB; B5QW34; -.
DR   SMR; B5QW34; -.
DR   KEGG; set:SEN2785; -.
DR   HOGENOM; CLU_044089_3_0_6; -.
DR   UniPathway; UPA00140; UER00206.
DR   Proteomes; UP000000613; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0004604; F:phosphoadenylyl-sulfate reductase (thioredoxin) activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0070814; P:hydrogen sulfide biosynthetic process; IEA:UniProtKB-UniPathway.
DR   GO; GO:0019379; P:sulfate assimilation, phosphoadenylyl sulfate reduction by phosphoadenylyl-sulfate reductase (thioredoxin); IEA:UniProtKB-UniRule.
DR   CDD; cd01713; PAPS_reductase; 1.
DR   Gene3D; 3.40.50.620; HUPs; 1.
DR   HAMAP; MF_00063; CysH; 1.
DR   InterPro; IPR004511; PAPS/APS_Rdtase.
DR   InterPro; IPR002500; PAPS_reduct.
DR   InterPro; IPR011800; PAPS_reductase_CysH.
DR   InterPro; IPR014729; Rossmann-like_a/b/a_fold.
DR   NCBIfam; TIGR00434; cysH; 1.
DR   NCBIfam; TIGR02057; PAPS_reductase; 1.
DR   PANTHER; PTHR46509; PHOSPHOADENOSINE PHOSPHOSULFATE REDUCTASE; 1.
DR   PANTHER; PTHR46509:SF1; PHOSPHOADENOSINE PHOSPHOSULFATE REDUCTASE; 1.
DR   Pfam; PF01507; PAPS_reduct; 1.
DR   PIRSF; PIRSF000857; PAPS_reductase; 1.
DR   SUPFAM; SSF52402; Adenine nucleotide alpha hydrolases-like; 1.
PE   3: Inferred from homology;
KW   Cytoplasm; Oxidoreductase.
FT   CHAIN           1..244
FT                   /note="Phosphoadenosine 5'-phosphosulfate reductase"
FT                   /id="PRO_1000092181"
FT   ACT_SITE        239
FT                   /note="Nucleophile; cysteine thiosulfonate intermediate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00063"
SQ   SEQUENCE   244 AA;  27996 MW;  3D4D8CEB2875C807 CRC64;
     MSKLDLNALN ELPKVDRVLA LAETNAQLET LTAEERVAWA LENLPGEYVL SSSFGIQAAV
     SLHLVNQIRP DIPVILTDTG YLFPETYQFI DELTDKLKLN LKVYRAGESP AWQEARYGKL
     WEQGVEGIEK YNEINKVEPM NRALKELKAQ TWFAGLRREQ SGSRAHLPVL AIQRGVFKVL
     PIIDWDNRTV YQYLQKHGLK YHPLWDQGYL SVGDTHTTRK WEPGMAEEET RFFGLKRECG
     LHEG
//
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