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APAH_BUCAT
ID   APAH_BUCAT              Reviewed;         274 AA.
AC   B8D747;
DT   28-JUL-2009, integrated into UniProtKB/Swiss-Prot.
DT   03-MAR-2009, sequence version 1.
DT   03-AUG-2022, entry version 70.
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};
GN   OrderedLocusNames=BUAPTUC7_141;
OS   Buchnera aphidicola subsp. Acyrthosiphon pisum (strain Tuc7).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Erwiniaceae; Buchnera.
OX   NCBI_TaxID=561501;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Tuc7;
RX   PubMed=19150844; DOI=10.1126/science.1167140;
RA   Moran N.A., McLaughlin H.J., Sorek R.;
RT   "The dynamics and time scale of ongoing genomic erosion in symbiotic
RT   bacteria.";
RL   Science 323:379-382(2009).
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; CP001158; ACL29962.1; -; Genomic_DNA.
DR   RefSeq; WP_012619447.1; NC_011834.1.
DR   AlphaFoldDB; B8D747; -.
DR   SMR; B8D747; -.
DR   KEGG; bau:BUAPTUC7_141; -.
DR   HOGENOM; CLU_056184_2_0_6; -.
DR   OMA; INAFTRM; -.
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..274
FT                   /note="Bis(5'-nucleosyl)-tetraphosphatase, symmetrical"
FT                   /id="PRO_1000124448"
SQ   SEQUENCE   274 AA;  32395 MW;  AB3C0E98F84C05A1 CRC64;
     MSTYFISDIH GCYEEFRILL EKSSFNDKKD YLWIAGDLVS RGPDSLEVVK YLYSLKDRVQ
     IVLGNHDINL IAVHAGIKDN KKENYFDEFL SSPDSVELIN WLRCQSFLKV DEKRKIIMSH
     AGISPQWDIN IAKVCALEIE DRLSHKNYAL FLKEIYHNNI DFWRLDLNQL DRLRYSMNSF
     TRMRYCYPDG RLNMFCKKSP DFVKYPLRPW FLMPSSISKV YSIFFGHWSS LKGTHVPKPF
     FPLDAGCCWG EELVMLRWED GKWFSQAYLS KKCI
 
 
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