ID   SPEA_GEODF              Reviewed;         635 AA.
AC   B9M6H6;
DT   28-JUL-2009, integrated into UniProtKB/Swiss-Prot.
DT   24-MAR-2009, sequence version 1.
DT   03-AUG-2022, entry version 68.
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=Geob_1678;
OS   Geotalea daltonii (strain DSM 22248 / JCM 15807 / FRC-32) (Geobacter
OS   daltonii).
OC   Bacteria; Proteobacteria; Deltaproteobacteria; Desulfuromonadales;
OC   Geobacteraceae; Geotalea.
OX   NCBI_TaxID=316067;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DSM 22248 / JCM 15807 / FRC-32;
RG   US DOE Joint Genome Institute;
RA   Lucas S., Copeland A., Lapidus A., Glavina del Rio T., Dalin E., Tice H.,
RA   Bruce D., Goodwin L., Pitluck S., Saunders E., Brettin T., Detter J.C.,
RA   Han C., Larimer F., Land M., Hauser L., Kyrpides N., Ovchinnikova G.,
RA   Kostka J., Richardson P.;
RT   "Complete sequence of Geobacter sp. FRC-32.";
RL   Submitted (JAN-2009) 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; CP001390; ACM20036.1; -; Genomic_DNA.
DR   RefSeq; WP_012646765.1; NC_011979.1.
DR   AlphaFoldDB; B9M6H6; -.
DR   SMR; B9M6H6; -.
DR   STRING; 316067.Geob_1678; -.
DR   EnsemblBacteria; ACM20036; ACM20036; Geob_1678.
DR   KEGG; geo:Geob_1678; -.
DR   eggNOG; COG1166; Bacteria.
DR   HOGENOM; CLU_027243_1_0_7; -.
DR   OMA; AVEYTQH; -.
DR   OrthoDB; 164471at2; -.
DR   UniPathway; UPA00186; UER00284.
DR   Proteomes; UP000007721; 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: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   Pyridoxal phosphate; Reference proteome; Spermidine biosynthesis.
FT   CHAIN           1..635
FT                   /note="Biosynthetic arginine decarboxylase"
FT                   /id="PRO_1000184844"
FT   BINDING         282..292
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01417"
FT   MOD_RES         100
FT                   /note="N6-(pyridoxal phosphate)lysine"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01417"
SQ   SEQUENCE   635 AA;  71555 MW;  F80B33DABDF7CAD7 CRC64;
     MERWNINDSS KIYNLDNWGA DLFSINKKGN VCVHPSPSSK SSIDLRVLVD DLIKRKIKPP
     ILLRFMDVLQ GRIASINRAF KSAISENDYP AKYQTFFPIK VNQQRQVVEA IASYGKRYNI
     GLEVGSKPEL VAGISISSGN NLPIICNGYK DSEYIETVLY ATAIGYDITL VIEKLFELEK
     VIELVKKTGI QPRLGIRVKL SSKGTGKWAT SGGEDAKFGL RMSEIIAAID LLEENGLLDR
     VKLIHFHIGS QITKIDKIKT ALIEGARVYT ELRKMGMGIE FVDIGGGLGV DYDGSKSSYF
     SSVNYSVEEY ANDVIYQIKN ICDDAGVECP NIISESGRAT VAHYSVLVTN VLNTNTQRLT
     PDFEEELAAA EKLAPTVKKL VDIHKSIDRY SLREDYHDTV QLIQEAVSLF NLGYLTLNER
     AMAEWLYGKI IKKINSIVEK IKPIPEELQN FQLALRQTYF ANFSLFQSIP DSWAIDQLFP
     IVPIQRLNQK PDVIASIADI TCDSDGEITS FVGENGRTKF LPLHKIRKDE DYYIGFFLIG
     AYQEILGDMH NLFGDTNAVH ITFNKKTGYM IDTVINGDAC WESLKYVQYK GPEILKRVRE
     HLEKGVAQRK VSIEESSHFI ELLDRTLLGY TYLGE