CYSH_BACC0
ID CYSH_BACC0 Reviewed; 234 AA.
AC B7JG06;
DT 14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT 10-FEB-2009, sequence version 1.
DT 03-AUG-2022, entry version 68.
DE RecName: Full=Adenosine 5'-phosphosulfate reductase {ECO:0000255|HAMAP-Rule:MF_00063};
DE Short=APS reductase {ECO:0000255|HAMAP-Rule:MF_00063};
DE EC=1.8.4.10 {ECO:0000255|HAMAP-Rule:MF_00063};
DE AltName: Full=5'-adenylylsulfate reductase {ECO:0000255|HAMAP-Rule:MF_00063};
DE AltName: Full=Thioredoxin-dependent 5'-adenylylsulfate reductase {ECO:0000255|HAMAP-Rule:MF_00063};
GN Name=cysH {ECO:0000255|HAMAP-Rule:MF_00063};
GN OrderedLocusNames=BCAH820_1512;
OS Bacillus cereus (strain AH820).
OC Bacteria; Firmicutes; Bacilli; Bacillales; Bacillaceae; Bacillus;
OC Bacillus cereus group.
OX NCBI_TaxID=405535;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=AH820;
RA Dodson R.J., Durkin A.S., Rosovitz M.J., Rasko D.A., Hoffmaster A.,
RA Ravel J., Sutton G.;
RT "Genome sequence of Bacillus cereus AH820.";
RL Submitted (OCT-2008) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Catalyzes the formation of sulfite from adenosine 5'-
CC phosphosulfate (APS) using thioredoxin as an electron donor.
CC {ECO:0000255|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:0000255|HAMAP-Rule:MF_00063};
CC -!- COFACTOR:
CC Name=[4Fe-4S] cluster; Xref=ChEBI:CHEBI:49883;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_00063};
CC Note=Binds 1 [4Fe-4S] cluster per subunit. {ECO:0000255|HAMAP-
CC Rule:MF_00063};
CC -!- PATHWAY: Sulfur metabolism; hydrogen sulfide biosynthesis; sulfite from
CC sulfate. {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; CP001283; ACK89191.1; -; Genomic_DNA.
DR RefSeq; WP_000958997.1; NC_011773.1.
DR AlphaFoldDB; B7JG06; -.
DR SMR; B7JG06; -.
DR EnsemblBacteria; ACK89191; ACK89191; BCAH820_1512.
DR KEGG; bcu:BCAH820_1512; -.
DR HOGENOM; CLU_044089_2_1_9; -.
DR OMA; PIARWTQ; -.
DR Proteomes; UP000001363; 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:UniProtKB-EC.
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:0019344; P:cysteine biosynthetic process; IEA:InterPro.
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; -; 1.
DR HAMAP; MF_00063; CysH; 1.
DR InterPro; IPR011798; APS_reductase.
DR InterPro; IPR004511; PAPS/APS_Rdtase.
DR InterPro; IPR002500; PAPS_reduct.
DR InterPro; IPR014729; Rossmann-like_a/b/a_fold.
DR Pfam; PF01507; PAPS_reduct; 1.
DR PIRSF; PIRSF000857; PAPS_reductase; 1.
DR TIGRFAMs; TIGR02055; APS_reductase; 1.
DR TIGRFAMs; TIGR00434; cysH; 1.
PE 3: Inferred from homology;
KW Cytoplasm; Iron; Iron-sulfur; Metal-binding; Oxidoreductase.
FT CHAIN 1..234
FT /note="Adenosine 5'-phosphosulfate reductase"
FT /id="PRO_1000116944"
FT ACT_SITE 229
FT /note="Nucleophile; cysteine thiosulfonate intermediate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00063"
FT BINDING 120
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00063"
FT BINDING 121
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00063"
FT BINDING 203
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00063"
FT BINDING 206
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00063"
SQ SEQUENCE 234 AA; 27333 MW; 1EADF512EF008528 CRC64;
MLTYETWEEN DVSFSKEDET KGALSVLSWA YKEYKSEIVY ACSFGVEGMV LLHLINQVNP
SAKVVFLDTN VHFQETYELI QKVRERFPSL NIIEKQPKLT LDEQDKLHGD KLWESNPNLC
CKIRKILPLE ESLANEKAWI SGLRREQSET RKHTKFINQD HRFQSIKVCP LIHWTWKEVW
RYVYKHSLPY NPLHDIGYPS IGCEKCTLPV GEGGDSRDGR WAGKVKTECG LHYQ
