ID   APAH_RALSO              Reviewed;         283 AA.
AC   Q8Y1K9;
DT   27-MAR-2002, integrated into UniProtKB/Swiss-Prot.
DT   27-MAR-2002, sequence version 1.
DT   25-MAY-2022, entry version 103.
DE   RecName: Full=Bis(5'-nucleosyl)-tetraphosphatase, symmetrical;
DE            EC=3.6.1.41;
DE   AltName: Full=Ap4A hydrolase;
DE   AltName: Full=Diadenosine 5',5'''-P1,P4-tetraphosphate pyrophosphohydrolase;
DE   AltName: Full=Diadenosine tetraphosphatase;
GN   Name=apaH; OrderedLocusNames=RSc0681; ORFNames=RS01586;
OS   Ralstonia solanacearum (strain GMI1000) (Pseudomonas solanacearum).
OC   Bacteria; Proteobacteria; Betaproteobacteria; Burkholderiales;
OC   Burkholderiaceae; Ralstonia.
OX   NCBI_TaxID=267608;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=GMI1000;
RX   PubMed=11823852; DOI=10.1038/415497a;
RA   Salanoubat M., Genin S., Artiguenave F., Gouzy J., Mangenot S., Arlat M.,
RA   Billault A., Brottier P., Camus J.-C., Cattolico L., Chandler M.,
RA   Choisne N., Claudel-Renard C., Cunnac S., Demange N., Gaspin C., Lavie M.,
RA   Moisan A., Robert C., Saurin W., Schiex T., Siguier P., Thebault P.,
RA   Whalen M., Wincker P., Levy M., Weissenbach J., Boucher C.A.;
RT   "Genome sequence of the plant pathogen Ralstonia solanacearum.";
RL   Nature 415:497-502(2002).
CC   -!- FUNCTION: Hydrolyzes diadenosine 5',5'''-P1,P4-tetraphosphate to yield
CC       ADP. {ECO:0000250}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=H2O + P(1),P(4)-bis(5'-adenosyl) tetraphosphate = 2 ADP + 2
CC         H(+); Xref=Rhea:RHEA:24252, ChEBI:CHEBI:15377, ChEBI:CHEBI:15378,
CC         ChEBI:CHEBI:58141, ChEBI:CHEBI:456216; EC=3.6.1.41;
CC   -!- SIMILARITY: Belongs to the Ap4A hydrolase family. {ECO:0000305}.
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DR   EMBL; AL646052; CAD14211.1; -; Genomic_DNA.
DR   RefSeq; WP_011000636.1; NC_003295.1.
DR   AlphaFoldDB; Q8Y1K9; -.
DR   SMR; Q8Y1K9; -.
DR   STRING; 267608.RSc0681; -.
DR   EnsemblBacteria; CAD14211; CAD14211; RSc0681.
DR   GeneID; 60500199; -.
DR   KEGG; rso:RSc0681; -.
DR   eggNOG; COG0639; Bacteria.
DR   HOGENOM; CLU_056184_1_0_4; -.
DR   OMA; INAFTRM; -.
DR   Proteomes; UP000001436; Chromosome.
DR   GO; GO:0008803; F:bis(5'-nucleosyl)-tetraphosphatase (symmetrical) activity; IEA:UniProtKB-UniRule.
DR   CDD; cd07422; MPP_ApaH; 1.
DR   Gene3D; 3.60.21.10; -; 1.
DR   HAMAP; MF_00199; ApaH; 1.
DR   InterPro; IPR004617; ApaH.
DR   InterPro; IPR004843; Calcineurin-like_PHP_ApaH.
DR   InterPro; IPR029052; Metallo-depent_PP-like.
DR   Pfam; PF00149; Metallophos; 1.
DR   PIRSF; PIRSF000903; B5n-ttraPtase_sm; 1.
DR   SUPFAM; SSF56300; SSF56300; 1.
DR   TIGRFAMs; TIGR00668; apaH; 1.
PE   3: Inferred from homology;
KW   Hydrolase; Reference proteome.
FT   CHAIN           1..283
FT                   /note="Bis(5'-nucleosyl)-tetraphosphatase, symmetrical"
FT                   /id="PRO_0000198007"
SQ   SEQUENCE   283 AA;  30660 MW;  18304E24120DC16C CRC64;
     MTVASIPPHA IGDLQGCCSP LQTLLTALPA NAPLRFVGDL VNRGPDSLGT LRRVIMLCEG
     GRARAVLGNH DIHLLAVAAG VRKLGKRDTL DDILGAPDCD ALIHWLRHQP LAIFENGFLM
     VHAGVLPQWT TGDVLELAGA VERELRSPHW KTFLTDAFGN QPAKWSSDLI GIDRLRLTIN
     ALTRLRFCTP DGAMEFETTD ADGAPDGHVP WFDVPGRRTR GTPIAFGHWS TRGLVMRDDL
     LGLDTGCVWG GKLTAARMTL APAGREVIQV ACEQAQDPLA HKK