ID A4XB35_SALTO Unreviewed; 256 AA.
AC A4XB35;
DT 29-MAY-2007, integrated into UniProtKB/TrEMBL.
DT 29-MAY-2007, sequence version 1.
DT 27-MAR-2024, entry version 106.
DE RecName: Full=Adenosine 5'-phosphosulfate reductase {ECO:0000256|HAMAP-Rule:MF_00063};
DE Short=APS reductase {ECO:0000256|HAMAP-Rule:MF_00063};
DE EC=1.8.4.10 {ECO:0000256|HAMAP-Rule:MF_00063};
DE AltName: Full=5'-adenylylsulfate reductase {ECO:0000256|HAMAP-Rule:MF_00063};
DE AltName: Full=Thioredoxin-dependent 5'-adenylylsulfate reductase {ECO:0000256|HAMAP-Rule:MF_00063};
GN Name=cysH {ECO:0000256|HAMAP-Rule:MF_00063};
GN OrderedLocusNames=Strop_3703 {ECO:0000313|EMBL:ABP56134.1};
OS Salinispora tropica (strain ATCC BAA-916 / DSM 44818 / JCM 13857 / NBRC
OS 105044 / CNB-440).
OC Bacteria; Actinomycetota; Actinomycetes; Micromonosporales;
OC Micromonosporaceae; Salinispora.
OX NCBI_TaxID=369723 {ECO:0000313|EMBL:ABP56134.1, ECO:0000313|Proteomes:UP000000235};
RN [1] {ECO:0000313|Proteomes:UP000000235}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC BAA-916 / DSM 44818 / CNB-440
RC {ECO:0000313|Proteomes:UP000000235};
RX PubMed=17563368; DOI=10.1073/pnas.0700962104;
RA Udwary D.W., Zeigler L., Asolkar R.N., Singan V., Lapidus A., Fenical W.,
RA Jensen P.R., Moore B.S.;
RT "Genome sequencing reveals complex secondary metabolome in the marine
RT actinomycete Salinispora tropica.";
RL Proc. Natl. Acad. Sci. U.S.A. 104:10376-10381(2007).
CC -!- FUNCTION: Catalyzes the formation of sulfite from adenosine 5'-
CC phosphosulfate (APS) using thioredoxin as an electron donor.
CC {ECO:0000256|HAMAP-Rule:MF_00063}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=[thioredoxin]-disulfide + AMP + 2 H(+) + sulfite =
CC [thioredoxin]-dithiol + adenosine 5'-phosphosulfate;
CC Xref=Rhea:RHEA:21976, Rhea:RHEA-COMP:10698, Rhea:RHEA-COMP:10700,
CC ChEBI:CHEBI:15378, ChEBI:CHEBI:17359, ChEBI:CHEBI:29950,
CC ChEBI:CHEBI:50058, ChEBI:CHEBI:58243, ChEBI:CHEBI:456215;
CC EC=1.8.4.10; Evidence={ECO:0000256|HAMAP-Rule:MF_00063};
CC -!- COFACTOR:
CC Name=[4Fe-4S] cluster; Xref=ChEBI:CHEBI:49883;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_00063};
CC Note=Binds 1 [4Fe-4S] cluster per subunit. {ECO:0000256|HAMAP-
CC Rule:MF_00063};
CC -!- PATHWAY: Sulfur metabolism; hydrogen sulfide biosynthesis; sulfite from
CC sulfate. {ECO:0000256|ARBA:ARBA00024327, ECO:0000256|HAMAP-
CC Rule:MF_00063}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_00063}.
CC -!- SIMILARITY: Belongs to the PAPS reductase family. CysH subfamily.
CC {ECO:0000256|ARBA:ARBA00009732, ECO:0000256|HAMAP-Rule:MF_00063}.
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DR EMBL; CP000667; ABP56134.1; -; Genomic_DNA.
DR RefSeq; WP_012014909.1; NC_009380.1.
DR AlphaFoldDB; A4XB35; -.
DR STRING; 369723.Strop_3703; -.
DR KEGG; stp:Strop_3703; -.
DR PATRIC; fig|369723.5.peg.3819; -.
DR eggNOG; COG0175; Bacteria.
DR HOGENOM; CLU_044089_2_0_11; -.
DR Proteomes; UP000000235; Chromosome.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0051539; F:4 iron, 4 sulfur cluster binding; IEA:UniProtKB-UniRule.
DR GO; GO:0043866; F:adenylyl-sulfate reductase (thioredoxin) activity; IEA:RHEA.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR GO; GO:0004604; F:phosphoadenylyl-sulfate reductase (thioredoxin) activity; IEA:UniProtKB-UniRule.
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; IPR014729; Rossmann-like_a/b/a_fold.
DR NCBIfam; TIGR00434; cysH; 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 {ECO:0000256|HAMAP-Rule:MF_00063};
KW Iron {ECO:0000256|HAMAP-Rule:MF_00063};
KW Iron-sulfur {ECO:0000256|HAMAP-Rule:MF_00063};
KW Metal-binding {ECO:0000256|HAMAP-Rule:MF_00063};
KW Oxidoreductase {ECO:0000256|ARBA:ARBA00023002, ECO:0000256|HAMAP-
KW Rule:MF_00063}; Reference proteome {ECO:0000313|Proteomes:UP000000235}.
FT DOMAIN 69..231
FT /note="Phosphoadenosine phosphosulphate reductase"
FT /evidence="ECO:0000259|Pfam:PF01507"
FT ACT_SITE 252
FT /note="Nucleophile; cysteine thiosulfonate intermediate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00063"
FT BINDING 143
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00063"
FT BINDING 144
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00063"
FT BINDING 226
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00063"
FT BINDING 229
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00063"
SQ SEQUENCE 256 AA; 28107 MW; E40D235085694873 CRC64;
MSGLVWAAGL GLVGAGEPAA AEPAAADANR QELRTLAEEA GRELEGAPAL EVVRWAVERF
GDRFCVTSSM ADAVLVHLVS RVAPGVDVVF LDTGLHFPET LRVRDQVSRT MPVNVRSIRP
RLTVGQQDGE YGPRLFHRSP DDCCQLRKVE SLERALVGYD AWATGLRRDD SPSRANTPVV
TFDTRRGKVK VNPIAAWTQA DVETYISQWD VPVNELFGRA YSSVGCWPCT RRTRAGEDAR
AGRWAMFEKA ECGLHG
//
