ID   APAH_XYLFA              Reviewed;         292 AA.
AC   Q9PBJ4;
DT   27-MAR-2002, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-2000, sequence version 1.
DT   25-MAY-2022, entry version 110.
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=XF_2150;
OS   Xylella fastidiosa (strain 9a5c).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Xanthomonadales;
OC   Xanthomonadaceae; Xylella.
OX   NCBI_TaxID=160492;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=9a5c;
RX   PubMed=10910347; DOI=10.1038/35018003;
RA   Simpson A.J.G., Reinach F.C., Arruda P., Abreu F.A., Acencio M.,
RA   Alvarenga R., Alves L.M.C., Araya J.E., Baia G.S., Baptista C.S.,
RA   Barros M.H., Bonaccorsi E.D., Bordin S., Bove J.M., Briones M.R.S.,
RA   Bueno M.R.P., Camargo A.A., Camargo L.E.A., Carraro D.M., Carrer H.,
RA   Colauto N.B., Colombo C., Costa F.F., Costa M.C.R., Costa-Neto C.M.,
RA   Coutinho L.L., Cristofani M., Dias-Neto E., Docena C., El-Dorry H.,
RA   Facincani A.P., Ferreira A.J.S., Ferreira V.C.A., Ferro J.A., Fraga J.S.,
RA   Franca S.C., Franco M.C., Frohme M., Furlan L.R., Garnier M., Goldman G.H.,
RA   Goldman M.H.S., Gomes S.L., Gruber A., Ho P.L., Hoheisel J.D.,
RA   Junqueira M.L., Kemper E.L., Kitajima J.P., Krieger J.E., Kuramae E.E.,
RA   Laigret F., Lambais M.R., Leite L.C.C., Lemos E.G.M., Lemos M.V.F.,
RA   Lopes S.A., Lopes C.R., Machado J.A., Machado M.A., Madeira A.M.B.N.,
RA   Madeira H.M.F., Marino C.L., Marques M.V., Martins E.A.L., Martins E.M.F.,
RA   Matsukuma A.Y., Menck C.F.M., Miracca E.C., Miyaki C.Y.,
RA   Monteiro-Vitorello C.B., Moon D.H., Nagai M.A., Nascimento A.L.T.O.,
RA   Netto L.E.S., Nhani A. Jr., Nobrega F.G., Nunes L.R., Oliveira M.A.,
RA   de Oliveira M.C., de Oliveira R.C., Palmieri D.A., Paris A., Peixoto B.R.,
RA   Pereira G.A.G., Pereira H.A. Jr., Pesquero J.B., Quaggio R.B.,
RA   Roberto P.G., Rodrigues V., de Rosa A.J.M., de Rosa V.E. Jr., de Sa R.G.,
RA   Santelli R.V., Sawasaki H.E., da Silva A.C.R., da Silva A.M.,
RA   da Silva F.R., Silva W.A. Jr., da Silveira J.F., Silvestri M.L.Z.,
RA   Siqueira W.J., de Souza A.A., de Souza A.P., Terenzi M.F., Truffi D.,
RA   Tsai S.M., Tsuhako M.H., Vallada H., Van Sluys M.A., Verjovski-Almeida S.,
RA   Vettore A.L., Zago M.A., Zatz M., Meidanis J., Setubal J.C.;
RT   "The genome sequence of the plant pathogen Xylella fastidiosa.";
RL   Nature 406:151-159(2000).
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; AE003849; AAF84949.1; -; Genomic_DNA.
DR   PIR; B82594; B82594.
DR   RefSeq; WP_010894599.1; NC_002488.3.
DR   AlphaFoldDB; Q9PBJ4; -.
DR   SMR; Q9PBJ4; -.
DR   STRING; 160492.XF_2150; -.
DR   PRIDE; Q9PBJ4; -.
DR   EnsemblBacteria; AAF84949; AAF84949; XF_2150.
DR   KEGG; xfa:XF_2150; -.
DR   eggNOG; COG0639; Bacteria.
DR   HOGENOM; CLU_056184_0_0_6; -.
DR   OMA; INAFTRM; -.
DR   Proteomes; UP000000812; 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..292
FT                   /note="Bis(5'-nucleosyl)-tetraphosphatase, symmetrical"
FT                   /id="PRO_0000198019"
FT   REGION          271..292
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ   SEQUENCE   292 AA;  33193 MW;  03241AE244948D4D CRC64;
     MSIWAIGDLQ GCYDATQRLL ENIRFDPSQD TLWFCGDLVN RGGQSLETLR LVYSLRSHSV
     VVLGNHDLSL LAIAVRSEEE QRKVNPDLLR IITAEDRDEI LTWLRMQKLI HVDRTIGWMM
     VHAGLAPKWT TQMAEKLAHE VEQQLHGADY RNLLHSMYGD KPEWSPALSG CNRSRAIINV
     LTRMRYCTPR GRISTEDKGT PGTQTQGMYP WFEVPGRVER DLKIVCGHWS TLGLTITQGI
     HAIDTGAVWG GKLTALQIDT DELRLAQVHG LSIEHPRHTH TPRRQAKKHS KK