ID   CYSC_BUCAI              Reviewed;         206 AA.
AC   P57497;
DT   01-DEC-2000, integrated into UniProtKB/Swiss-Prot.
DT   01-DEC-2000, sequence version 1.
DT   03-AUG-2022, entry version 116.
DE   RecName: Full=Adenylyl-sulfate kinase;
DE            EC=2.7.1.25;
DE   AltName: Full=APS kinase;
DE   AltName: Full=ATP adenosine-5'-phosphosulfate 3'-phosphotransferase;
DE   AltName: Full=Adenosine-5'-phosphosulfate kinase;
GN   Name=cysC; OrderedLocusNames=BU422;
OS   Buchnera aphidicola subsp. Acyrthosiphon pisum (strain APS) (Acyrthosiphon
OS   pisum symbiotic bacterium).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Erwiniaceae; Buchnera.
OX   NCBI_TaxID=107806;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=APS;
RX   PubMed=10993077; DOI=10.1038/35024074;
RA   Shigenobu S., Watanabe H., Hattori M., Sakaki Y., Ishikawa H.;
RT   "Genome sequence of the endocellular bacterial symbiont of aphids Buchnera
RT   sp. APS.";
RL   Nature 407:81-86(2000).
CC   -!- FUNCTION: Catalyzes the synthesis of activated sulfate. {ECO:0000250}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=adenosine 5'-phosphosulfate + ATP = 3'-phosphoadenylyl sulfate
CC         + ADP + H(+); Xref=Rhea:RHEA:24152, ChEBI:CHEBI:15378,
CC         ChEBI:CHEBI:30616, ChEBI:CHEBI:58243, ChEBI:CHEBI:58339,
CC         ChEBI:CHEBI:456216; EC=2.7.1.25;
CC   -!- PATHWAY: Sulfur metabolism; hydrogen sulfide biosynthesis; sulfite from
CC       sulfate: step 2/3.
CC   -!- SIMILARITY: Belongs to the APS kinase family. {ECO:0000305}.
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DR   EMBL; BA000003; BAB13120.1; -; Genomic_DNA.
DR   RefSeq; NP_240234.1; NC_002528.1.
DR   RefSeq; WP_010896108.1; NC_002528.1.
DR   AlphaFoldDB; P57497; -.
DR   SMR; P57497; -.
DR   STRING; 107806.10039086; -.
DR   EnsemblBacteria; BAB13120; BAB13120; BAB13120.
DR   KEGG; buc:BU422; -.
DR   PATRIC; fig|107806.10.peg.431; -.
DR   eggNOG; COG0529; Bacteria.
DR   HOGENOM; CLU_046932_1_0_6; -.
DR   OMA; GVTIWFT; -.
DR   UniPathway; UPA00140; UER00205.
DR   Proteomes; UP000001806; Chromosome.
DR   GO; GO:0004020; F:adenylylsulfate kinase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0070814; P:hydrogen sulfide biosynthetic process; IEA:UniProtKB-UniPathway.
DR   GO; GO:0016310; P:phosphorylation; IEA:UniProtKB-KW.
DR   GO; GO:0000103; P:sulfate assimilation; IEA:UniProtKB-UniRule.
DR   CDD; cd02027; APSK; 1.
DR   Gene3D; 3.40.50.300; -; 1.
DR   HAMAP; MF_00065; Adenylyl_sulf_kinase; 1.
DR   InterPro; IPR002891; APS_kinase.
DR   InterPro; IPR027417; P-loop_NTPase.
DR   SUPFAM; SSF52540; SSF52540; 1.
DR   TIGRFAMs; TIGR00455; apsK; 1.
PE   3: Inferred from homology;
KW   ATP-binding; Kinase; Nucleotide-binding; Phosphoprotein;
KW   Reference proteome; Transferase.
FT   CHAIN           1..206
FT                   /note="Adenylyl-sulfate kinase"
FT                   /id="PRO_0000105905"
FT   ACT_SITE        110
FT                   /note="Phosphoserine intermediate"
FT                   /evidence="ECO:0000250"
FT   BINDING         36..43
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255"
SQ   SEQUENCE   206 AA;  23613 MW;  D8F9B25D89AB6047 CRC64;
     MNNNFQNNIF WQKHSITRLK REKKNGHKSI VLWFTGLSGS GKSTIANFLE EILFKNGINS
     YLLDGDNIRS GLCSDLSFSL ADRNENIRRI GEVVKMMLHA GLIILVSVIS PYRNQREMVR
     QMLGKKNFLE VFIDTPIEIC ESRDPKKLYK QARTGQISDF TGIQCTYETP NTPDVLLKGT
     DSLKNNSKKL IKILYNHNII SFINID