ID   APAH_BURTA              Reviewed;         282 AA.
AC   Q2SYI5;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   24-JAN-2006, sequence version 1.
DT   25-MAY-2022, entry version 85.
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=BTH_I1468;
OS   Burkholderia thailandensis (strain ATCC 700388 / DSM 13276 / CIP 106301 /
OS   E264).
OC   Bacteria; Proteobacteria; Betaproteobacteria; Burkholderiales;
OC   Burkholderiaceae; Burkholderia; pseudomallei group.
OX   NCBI_TaxID=271848;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 700388 / DSM 13276 / CIP 106301 / E264;
RX   PubMed=16336651; DOI=10.1186/1471-2164-6-174;
RA   Kim H.S., Schell M.A., Yu Y., Ulrich R.L., Sarria S.H., Nierman W.C.,
RA   DeShazer D.;
RT   "Bacterial genome adaptation to niches: divergence of the potential
RT   virulence genes in three Burkholderia species of different survival
RT   strategies.";
RL   BMC Genomics 6:174-174(2005).
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; CP000086; ABC36488.1; -; Genomic_DNA.
DR   RefSeq; WP_009889582.1; NZ_CP008785.1.
DR   AlphaFoldDB; Q2SYI5; -.
DR   SMR; Q2SYI5; -.
DR   EnsemblBacteria; ABC36488; ABC36488; BTH_I1468.
DR   GeneID; 66548099; -.
DR   KEGG; bte:BTH_I1468; -.
DR   HOGENOM; CLU_056184_1_0_4; -.
DR   OMA; INAFTRM; -.
DR   OrthoDB; 900869at2; -.
DR   Proteomes; UP000001930; Chromosome I.
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.
FT   CHAIN           1..282
FT                   /note="Bis(5'-nucleosyl)-tetraphosphatase, symmetrical"
FT                   /id="PRO_1000012052"
SQ   SEQUENCE   282 AA;  30602 MW;  EDFBF07B49C68E59 CRC64;
     MTNFSSSPPI AFGDLQGCHA AYRQLFAQLS PAADTPLWFA GDLVNRGPAS LATLREIVGL
     GERAVAVLGN HDLHLLAVAA GIRTLKPGDT IGEILDAPDA DDLIEWVRHR PFAHFERGML
     MVHAGLLPQW DAALALELAD ELQRALRAPN WRDTLRGLYG NDPNCWSPDL KKADRLRVAF
     NAFTRIRFCT PEGAMEFRAN GGPASAPAGY LPWFDAPSRK TADVTVVFGH WAALGLMLRE
     NLVALDSGCV WGNRLSAVRL ADDPAAREVA QVACERCGAA EE