ID   APAH_XANAC              Reviewed;         314 AA.
AC   Q8PP27;
DT   10-OCT-2002, integrated into UniProtKB/Swiss-Prot.
DT   10-OCT-2002, sequence version 1.
DT   25-MAY-2022, entry version 112.
DE   RecName: Full=Bis(5'-nucleosyl)-tetraphosphatase, symmetrical {ECO:0000255|HAMAP-Rule:MF_00199};
DE            EC=3.6.1.41 {ECO:0000255|HAMAP-Rule:MF_00199};
DE   AltName: Full=Ap4A hydrolase {ECO:0000255|HAMAP-Rule:MF_00199};
DE   AltName: Full=Diadenosine 5',5'''-P1,P4-tetraphosphate pyrophosphohydrolase {ECO:0000255|HAMAP-Rule:MF_00199};
DE   AltName: Full=Diadenosine tetraphosphatase {ECO:0000255|HAMAP-Rule:MF_00199};
GN   Name=apaH {ECO:0000255|HAMAP-Rule:MF_00199}; OrderedLocusNames=XAC0861;
OS   Xanthomonas axonopodis pv. citri (strain 306).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Xanthomonadales;
OC   Xanthomonadaceae; Xanthomonas.
OX   NCBI_TaxID=190486;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=306;
RX   PubMed=12024217; DOI=10.1038/417459a;
RA   da Silva A.C.R., Ferro J.A., Reinach F.C., Farah C.S., Furlan L.R.,
RA   Quaggio R.B., Monteiro-Vitorello C.B., Van Sluys M.A., Almeida N.F. Jr.,
RA   Alves L.M.C., do Amaral A.M., Bertolini M.C., Camargo L.E.A., Camarotte G.,
RA   Cannavan F., Cardozo J., Chambergo F., Ciapina L.P., Cicarelli R.M.B.,
RA   Coutinho L.L., Cursino-Santos J.R., El-Dorry H., Faria J.B.,
RA   Ferreira A.J.S., Ferreira R.C.C., Ferro M.I.T., Formighieri E.F.,
RA   Franco M.C., Greggio C.C., Gruber A., Katsuyama A.M., Kishi L.T.,
RA   Leite R.P., Lemos E.G.M., Lemos M.V.F., Locali E.C., Machado M.A.,
RA   Madeira A.M.B.N., Martinez-Rossi N.M., Martins E.C., Meidanis J.,
RA   Menck C.F.M., Miyaki C.Y., Moon D.H., Moreira L.M., Novo M.T.M.,
RA   Okura V.K., Oliveira M.C., Oliveira V.R., Pereira H.A., Rossi A.,
RA   Sena J.A.D., Silva C., de Souza R.F., Spinola L.A.F., Takita M.A.,
RA   Tamura R.E., Teixeira E.C., Tezza R.I.D., Trindade dos Santos M.,
RA   Truffi D., Tsai S.M., White F.F., Setubal J.C., Kitajima J.P.;
RT   "Comparison of the genomes of two Xanthomonas pathogens with differing host
RT   specificities.";
RL   Nature 417:459-463(2002).
CC   -!- FUNCTION: Hydrolyzes diadenosine 5',5'''-P1,P4-tetraphosphate to yield
CC       ADP. {ECO:0000255|HAMAP-Rule:MF_00199}.
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         Evidence={ECO:0000255|HAMAP-Rule:MF_00199};
CC   -!- SIMILARITY: Belongs to the Ap4A hydrolase family. {ECO:0000255|HAMAP-
CC       Rule:MF_00199}.
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DR   EMBL; AE008923; AAM35749.1; -; Genomic_DNA.
DR   RefSeq; WP_003487447.1; NC_003919.1.
DR   AlphaFoldDB; Q8PP27; -.
DR   SMR; Q8PP27; -.
DR   STRING; 190486.XAC0861; -.
DR   EnsemblBacteria; AAM35749; AAM35749; XAC0861.
DR   GeneID; 66910050; -.
DR   KEGG; xac:XAC0861; -.
DR   eggNOG; COG0639; Bacteria.
DR   HOGENOM; CLU_056184_0_0_6; -.
DR   OMA; INAFTRM; -.
DR   Proteomes; UP000000576; 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   InterPro; IPR006186; Ser/Thr-sp_prot-phosphatase.
DR   Pfam; PF00149; Metallophos; 1.
DR   PIRSF; PIRSF000903; B5n-ttraPtase_sm; 1.
DR   PRINTS; PR00114; STPHPHTASE.
DR   SUPFAM; SSF56300; SSF56300; 1.
DR   TIGRFAMs; TIGR00668; apaH; 1.
PE   3: Inferred from homology;
KW   Hydrolase.
FT   CHAIN           1..314
FT                   /note="Bis(5'-nucleosyl)-tetraphosphatase, symmetrical"
FT                   /id="PRO_0000198017"
FT   REGION          267..314
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ   SEQUENCE   314 AA;  34941 MW;  32981D55A639879B CRC64;
     MSVWAIGDLQ GCYDITQRLL EKINFDPAQD TLWFCGDLVN RGGQSLETLR LVHSLRAHSV
     VVLGNHDLSL LAIGARSEEE QRKVNPDLLR IVMAEDRDAL LDWLRMQKLA HVDRELGWMM
     IHAGLAPKWT TQMAEKHARE VEQQLQGGGY RKLLRNMYGD QPGWSPGLSG YDRSRAIINL
     FTRMRYCTPR GRIATDDKGT PGTQAQGLYP WFEVPGRVER DLKIVCGHWS ALGLTITQGV
     HAIDTGAVWG GKLTALQLDT DELRVVQVPG NPITHPPKTA QRPRQPRRRQ RQRGGDQAQT
     GPAPTPASTG PAGG