ID GPPA_SALPB Reviewed; 493 AA. AC A9MXF2; DT 20-MAY-2008, integrated into UniProtKB/Swiss-Prot. DT 05-FEB-2008, sequence version 1. DT 27-MAR-2024, entry version 75. DE RecName: Full=Guanosine-5'-triphosphate,3'-diphosphate pyrophosphatase {ECO:0000255|HAMAP-Rule:MF_01550}; DE EC=3.6.1.40 {ECO:0000255|HAMAP-Rule:MF_01550}; DE AltName: Full=Guanosine pentaphosphate phosphohydrolase {ECO:0000255|HAMAP-Rule:MF_01550}; DE AltName: Full=pppGpp-5'-phosphohydrolase {ECO:0000255|HAMAP-Rule:MF_01550}; GN Name=gppA {ECO:0000255|HAMAP-Rule:MF_01550}; GN OrderedLocusNames=SPAB_04859; OS Salmonella paratyphi B (strain ATCC BAA-1250 / SPB7). OC Bacteria; Pseudomonadota; Gammaproteobacteria; Enterobacterales; OC Enterobacteriaceae; Salmonella. OX NCBI_TaxID=1016998; RN [1] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=ATCC BAA-1250 / SPB7; RG The Salmonella enterica serovar Paratyphi B Genome Sequencing Project; RA McClelland M., Sanderson E.K., Porwollik S., Spieth J., Clifton W.S., RA Fulton R., Cordes M., Wollam A., Shah N., Pepin K., Bhonagiri V., Nash W., RA Johnson M., Thiruvilangam P., Wilson R.; RL Submitted (NOV-2007) to the EMBL/GenBank/DDBJ databases. CC -!- FUNCTION: Catalyzes the conversion of pppGpp to ppGpp. Guanosine CC pentaphosphate (pppGpp) is a cytoplasmic signaling molecule which CC together with ppGpp controls the 'stringent response', an adaptive CC process that allows bacteria to respond to amino acid starvation, CC resulting in the coordinated regulation of numerous cellular CC activities. {ECO:0000255|HAMAP-Rule:MF_01550}. CC -!- CATALYTIC ACTIVITY: CC Reaction=guanosine 3'-diphosphate 5'-triphosphate + H2O = guanosine CC 3',5'-bis(diphosphate) + H(+) + phosphate; Xref=Rhea:RHEA:13073, CC ChEBI:CHEBI:15377, ChEBI:CHEBI:15378, ChEBI:CHEBI:43474, CC ChEBI:CHEBI:77828, ChEBI:CHEBI:142410; EC=3.6.1.40; CC Evidence={ECO:0000255|HAMAP-Rule:MF_01550}; CC -!- PATHWAY: Purine metabolism; ppGpp biosynthesis; ppGpp from GTP: step CC 2/2. {ECO:0000255|HAMAP-Rule:MF_01550}. CC -!- SIMILARITY: Belongs to the GppA/Ppx family. GppA subfamily. CC {ECO:0000255|HAMAP-Rule:MF_01550}. CC --------------------------------------------------------------------------- CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms CC Distributed under the Creative Commons Attribution (CC BY 4.0) License CC --------------------------------------------------------------------------- DR EMBL; CP000886; ABX70163.1; -; Genomic_DNA. DR RefSeq; WP_001089449.1; NC_010102.1. DR AlphaFoldDB; A9MXF2; -. DR SMR; A9MXF2; -. DR KEGG; spq:SPAB_04859; -. DR PATRIC; fig|1016998.12.peg.4567; -. DR HOGENOM; CLU_025908_4_0_6; -. DR BioCyc; SENT1016998:SPAB_RS19750-MONOMER; -. DR UniPathway; UPA00908; UER00885. DR Proteomes; UP000008556; Chromosome. DR GO; GO:0008894; F:guanosine-5'-triphosphate,3'-diphosphate diphosphatase activity; IEA:UniProtKB-UniRule. DR GO; GO:0015974; P:guanosine pentaphosphate catabolic process; IEA:UniProtKB-UniRule. DR GO; GO:0015970; P:guanosine tetraphosphate biosynthetic process; IEA:UniProtKB-UniPathway. DR Gene3D; 3.30.420.40; -; 1. DR Gene3D; 3.30.420.150; Exopolyphosphatase. Domain 2; 1. DR Gene3D; 1.10.3210.10; Hypothetical protein af1432; 1. DR HAMAP; MF_01550; GppA; 1. DR InterPro; IPR043129; ATPase_NBD. DR InterPro; IPR023709; Guo-5TP_3DP_PyrP. DR InterPro; IPR048950; Ppx_GppA_C. DR InterPro; IPR003695; Ppx_GppA_N. DR InterPro; IPR030673; PyroPPase_GppA_Ppx. DR PANTHER; PTHR30005; EXOPOLYPHOSPHATASE; 1. DR PANTHER; PTHR30005:SF0; RETROGRADE REGULATION PROTEIN 2; 1. DR Pfam; PF02541; Ppx-GppA; 1. DR Pfam; PF21447; Ppx-GppA_III; 1. DR PIRSF; PIRSF001267; Pyrophosphatase_GppA_Ppx; 1. DR SUPFAM; SSF53067; Actin-like ATPase domain; 2. DR SUPFAM; SSF109604; HD-domain/PDEase-like; 1. PE 3: Inferred from homology; KW Hydrolase. FT CHAIN 1..493 FT /note="Guanosine-5'-triphosphate,3'-diphosphate FT pyrophosphatase" FT /id="PRO_1000087732" SQ SEQUENCE 493 AA; 54846 MW; E8E697E61F582BB1 CRC64; MNSTSLYAAI DLGSNSFHML VVREAAGSIQ TLTRIKRKVR LAAGLNNDNH LSAEAMERGW QCLRLFAERL QDIPQPQIRV VATATLRLAV NAGEFIAKAQ TILGCPVQVI SGEEEARLIY QGVAHTTGGA DQRLVVDIGG ASTELVTGTG AQTTSLFSLS MGCVTWLERY FSDRNLAQEN FDDAEKAARD VLRPVADELR FHGWKVCVGA SGTVQALQEI MMAQGMDERI TLAKLQQLKQ RAIQCGRLEE LEIEGLTLER ALVFPSGLAI LIAIFTELNI QSMTLAGGAL REGLVYGMLH LAVDQDIRSR TLRNIQRRFI VDTDQANRVA KLADNFLKQV ENAWHIEPIS RELLLSACQL HEIGLSVDFK QAPYHAAYLV RHLDLPGYTP AQKKLLATLL LNQTNPVDLS SLHQQNAVPP RVAEQLCRLL RLAILFAGRR RDDLVPEITL QALNENLTLT LPSDWLAHHP LGKELIDQES QWQSYVHWPL DVR //