ID   SPEA_SALPB              Reviewed;         632 AA.
AC   A9N4N1;
DT   20-MAY-2008, integrated into UniProtKB/Swiss-Prot.
DT   05-FEB-2008, sequence version 1.
DT   03-AUG-2022, entry version 74.
DE   RecName: Full=Biosynthetic arginine decarboxylase {ECO:0000255|HAMAP-Rule:MF_01417};
DE            Short=ADC {ECO:0000255|HAMAP-Rule:MF_01417};
DE            EC=4.1.1.19 {ECO:0000255|HAMAP-Rule:MF_01417};
GN   Name=speA {ECO:0000255|HAMAP-Rule:MF_01417}; OrderedLocusNames=SPAB_03850;
OS   Salmonella paratyphi B (strain ATCC BAA-1250 / SPB7).
OC   Bacteria; Proteobacteria; 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 biosynthesis of agmatine from arginine.
CC       {ECO:0000255|HAMAP-Rule:MF_01417}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=H(+) + L-arginine = agmatine + CO2; Xref=Rhea:RHEA:17641,
CC         ChEBI:CHEBI:15378, ChEBI:CHEBI:16526, ChEBI:CHEBI:32682,
CC         ChEBI:CHEBI:58145; EC=4.1.1.19; Evidence={ECO:0000255|HAMAP-
CC         Rule:MF_01417};
CC   -!- COFACTOR:
CC       Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01417};
CC   -!- COFACTOR:
CC       Name=pyridoxal 5'-phosphate; Xref=ChEBI:CHEBI:597326;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01417};
CC   -!- PATHWAY: Amine and polyamine biosynthesis; agmatine biosynthesis;
CC       agmatine from L-arginine: step 1/1. {ECO:0000255|HAMAP-Rule:MF_01417}.
CC   -!- SIMILARITY: Belongs to the Orn/Lys/Arg decarboxylase class-II family.
CC       SpeA subfamily. {ECO:0000255|HAMAP-Rule:MF_01417}.
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DR   EMBL; CP000886; ABX69181.1; -; Genomic_DNA.
DR   AlphaFoldDB; A9N4N1; -.
DR   SMR; A9N4N1; -.
DR   KEGG; spq:SPAB_03850; -.
DR   PATRIC; fig|1016998.12.peg.3628; -.
DR   HOGENOM; CLU_027243_1_0_6; -.
DR   OMA; AVEYTQH; -.
DR   UniPathway; UPA00186; UER00284.
DR   Proteomes; UP000008556; Chromosome.
DR   GO; GO:0008792; F:arginine decarboxylase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR   GO; GO:0006527; P:arginine catabolic process; IEA:InterPro.
DR   GO; GO:0009446; P:putrescine biosynthetic process; IEA:UniProtKB-UniRule.
DR   GO; GO:0008295; P:spermidine biosynthetic process; IEA:UniProtKB-UniRule.
DR   CDD; cd06830; PLPDE_III_ADC; 1.
DR   Gene3D; 2.40.37.10; -; 1.
DR   Gene3D; 3.20.20.10; -; 1.
DR   HAMAP; MF_01417; SpeA; 1.
DR   InterPro; IPR009006; Ala_racemase/Decarboxylase_C.
DR   InterPro; IPR040634; Arg_decarb_HB.
DR   InterPro; IPR041128; Arg_decarbox_C.
DR   InterPro; IPR002985; Arg_decrbxlase.
DR   InterPro; IPR022657; De-COase2_CS.
DR   InterPro; IPR022644; De-COase2_N.
DR   InterPro; IPR022653; De-COase2_pyr-phos_BS.
DR   InterPro; IPR000183; Orn/DAP/Arg_de-COase.
DR   InterPro; IPR029066; PLP-binding_barrel.
DR   PANTHER; PTHR43295; PTHR43295; 1.
DR   Pfam; PF17810; Arg_decarb_HB; 1.
DR   Pfam; PF17944; Arg_decarbox_C; 1.
DR   Pfam; PF02784; Orn_Arg_deC_N; 1.
DR   PIRSF; PIRSF001336; Arg_decrbxlase; 1.
DR   PRINTS; PR01180; ARGDCRBXLASE.
DR   PRINTS; PR01179; ODADCRBXLASE.
DR   SUPFAM; SSF50621; SSF50621; 1.
DR   SUPFAM; SSF51419; SSF51419; 1.
DR   TIGRFAMs; TIGR01273; speA; 1.
DR   PROSITE; PS00878; ODR_DC_2_1; 1.
DR   PROSITE; PS00879; ODR_DC_2_2; 1.
PE   3: Inferred from homology;
KW   Decarboxylase; Lyase; Magnesium; Metal-binding; Polyamine biosynthesis;
KW   Putrescine biosynthesis; Pyridoxal phosphate; Spermidine biosynthesis.
FT   CHAIN           1..632
FT                   /note="Biosynthetic arginine decarboxylase"
FT                   /id="PRO_1000087405"
FT   BINDING         281..291
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01417"
FT   MOD_RES         101
FT                   /note="N6-(pyridoxal phosphate)lysine"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01417"
SQ   SEQUENCE   632 AA;  71163 MW;  98BB424D2BC97370 CRC64;
     MSSQEASKML RTYNIAWWGN NYYDVNELGH ISVCPDPDVP EARVDLAKLV KAREAQGQRL
     PALFCFPQIL QHRLRSINAA FKRARESYGY NGDYFLVYPI KVNQHRRVIE SLIHSGEPLG
     LEAGSKAELM AVLAHAGMTR SVIVCNGYKD REYIRLALIG EKMGHKVYLV IEKMSEIAIV
     LEEAERLNVV PRLGVRARLA SQGSGKWQSS GGEKSKFGLA ATQVLQLVET LRDAGRLDSL
     QLLHFHLGSQ MANIRDIATG VRESARFYVE LHKLGVNIQC FDVGGGLGVD YEGTRSQSDC
     SVNYGLNEYA NNIIWAIGDA CEEHGLPHPT VITESGRAVT AHHTVLVSNI IGVERNEYTD
     PTAPAEDAPR ALQNLWETWQ EMHKPGTRRS LREWLHDSQM DLHDIHIGYS SGAFSLQERA
     WAEQLYLSMC HEVQKQLDPQ NRAHRPIIDE LQERMADKMY VNFSLFQSMP DAWGIDQLFP
     VLPLEGLDQV PERRAVLLDI TCDSDGAIDH YIDGDGIATT MPMPEYDPEN PPMLGFFMVG
     AYQEILGNMH NLFGDTEAVD VFVFPDGSVE VELSDEGDTV ADMLQYVQLD PKTLLTHFRD
     QVKQTDLDDA LQQQFLEEFE AGLYGYTYLE DE