ID A4U0Q5_9PROT Unreviewed; 230 AA.
AC A4U0Q5;
DT 15-MAY-2007, integrated into UniProtKB/TrEMBL.
DT 15-MAY-2007, sequence version 1.
DT 24-JAN-2024, entry version 64.
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 ECO:0000313|EMBL:CAM76462.1};
GN ORFNames=MGR_3189 {ECO:0000313|EMBL:CAM76462.1};
OS Magnetospirillum gryphiswaldense.
OC Bacteria; Pseudomonadota; Alphaproteobacteria; Rhodospirillales;
OC Rhodospirillaceae; Magnetospirillum.
OX NCBI_TaxID=55518 {ECO:0000313|EMBL:CAM76462.1};
RN [1] {ECO:0000313|EMBL:CAM76462.1}
RP NUCLEOTIDE SEQUENCE.
RC STRAIN=MSR-1 {ECO:0000313|EMBL:CAM76462.1};
RX PubMed=17449609; DOI=10.1128/JB.00119-07;
RA Richter M., Kube M., Bazylinski D.A., Lombardot T., Gloeckner F.O.,
RA Reinhardt R., Schueler D.;
RT "Comparative genome analysis of four magnetotactic bacteria reveals a
RT complex set of group-specific genes implicated in magnetosome
RT biomineralization and function.";
RL J. Bacteriol. 189:4899-4910(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}.
CC ---------------------------------------------------------------------------
CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC ---------------------------------------------------------------------------
DR EMBL; CU459003; CAM76462.1; -; Genomic_DNA.
DR RefSeq; WP_024078726.1; NZ_CP027527.1.
DR AlphaFoldDB; A4U0Q5; -.
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}.
FT DOMAIN 31..196
FT /note="Phosphoadenosine phosphosulphate reductase"
FT /evidence="ECO:0000259|Pfam:PF01507"
FT ACT_SITE 216
FT /note="Nucleophile; cysteine thiosulfonate intermediate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00063"
FT BINDING 109
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00063"
FT BINDING 110
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00063"
FT BINDING 190
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00063"
FT BINDING 193
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00063"
SQ SEQUENCE 230 AA; 25019 MW; A67126E761C922D5 CRC64;
MSHVDYSAAY GHLSGKDLIE VIAHQVFPGK VAVTSSFGAE SAVLLDLVAQ VDPSIPVVFL
DTGELFDETL EYRYRLERQL GLTNVVVVRP ASEDLTEAED LWRTDHDRCC YLRKVLPLAR
AVEGYAGLID GRKQAHGFDR QALSTVQVSG EVVKISPLAN WSEDDVQKAF VSRGLPTHPL
VEQGYRSIGC WPCTRPTKPG ESARAGRWAG SAKTECGIHT LVLGSDGAGI
//
