ID   SPEA_ALKEH              Reviewed;         628 AA.
AC   Q0ACK8;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   17-OCT-2006, sequence version 1.
DT   27-MAR-2024, entry version 95.
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};
GN   OrderedLocusNames=Mlg_0072;
OS   Alkalilimnicola ehrlichii (strain ATCC BAA-1101 / DSM 17681 / MLHE-1).
OC   Bacteria; Pseudomonadota; Gammaproteobacteria; Chromatiales;
OC   Ectothiorhodospiraceae; Alkalilimnicola.
OX   NCBI_TaxID=187272;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-1101 / DSM 17681 / MLHE-1;
RA   Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C.,
RA   Glavina del Rio T., Hammon N., Israni S., Dalin E., Tice H., Pitluck S.,
RA   Sims D., Brettin T., Bruce D., Han C., Tapia R., Gilna P., Schmutz J.,
RA   Larimer F., Land M., Hauser L., Kyrpides N., Mikhailova N., Oremland R.S.,
RA   Hoeft S.E., Switzer-Blum J., Kulp T., King G., Tabita R., Witte B.,
RA   Santini J.M., Basu P., Hollibaugh J.T., Xie G., Stolz J.F., Richardson P.;
RT   "Complete sequence of Alkalilimnicola ehrilichei MLHE-1.";
RL   Submitted (AUG-2006) 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; Evidence={ECO:0000255|HAMAP-
CC         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; CP000453; ABI55429.1; -; Genomic_DNA.
DR   RefSeq; WP_011627825.1; NC_008340.1.
DR   AlphaFoldDB; Q0ACK8; -.
DR   SMR; Q0ACK8; -.
DR   KEGG; aeh:Mlg_0072; -.
DR   eggNOG; COG1166; Bacteria.
DR   HOGENOM; CLU_027243_1_0_6; -.
DR   OrthoDB; 9802658at2; -.
DR   UniPathway; UPA00186; UER00284.
DR   Proteomes; UP000001962; 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; 1.10.287.3440; -; 1.
DR   Gene3D; 1.20.58.930; -; 1.
DR   Gene3D; 3.20.20.10; Alanine racemase; 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   NCBIfam; TIGR01273; speA; 1.
DR   PANTHER; PTHR43295; ARGININE DECARBOXYLASE; 1.
DR   PANTHER; PTHR43295:SF9; BIOSYNTHETIC ARGININE DECARBOXYLASE; 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; Alanine racemase C-terminal domain-like; 1.
DR   SUPFAM; SSF51419; PLP-binding barrel; 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..628
FT                   /note="Biosynthetic arginine decarboxylase"
FT                   /id="PRO_1000024253"
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   628 AA;  69264 MW;  984DD1693C8BB682 CRC64;
     MSDWSIGLAR QVWSVQHWSG GYFDISDEGR VVARPDRDPA RAPLDLAGIA AEARHQGLGL
     PVLVRFLDIL HDRVDSLCQA FRQAMVEDGY RGGYRAVYPI KVNQQRRVVE EIIRHGNGRV
     GLEAGSKPEL MAVLALTPPG GTVVCNGYKD REYVRLALRG RQLGLQVHLV IEKASELELV
     LEEAAALGVT PSLGMRVRLA TIGAGKWQNT GGEKSKFGLT AAQALAVVDR LRAAGCLDWL
     RLLHFHLGSQ IPNIRDIRRG MREAARYYAE LRALGAPVET VDVGGGLGVD YEGSRSRSFC
     SMNYTVAEYA HNVVHALWQV CEDEGLPHPD IITESGRAMT AHHAVLITDV IDGDRVPGGA
     DLLAPADAAP RVLHELWTVW TGLDRRHPLE AYHDAAHGLA EAQELYAHGV LNLTDRARAE
     RIWQAVCHAL LQRLDPRRRP HRELLDELNE KLADKLFCNF SLFQSMPDVW AIDQIFPVLP
     LQRLDEPPAS RAVLQDLTCD SDGCIRGYVD RDGVESTLPL PPWRPGEPYL LGIFLVGAYQ
     EILGDMHNLF GDTHSVNVRL TGEGYALSGA AHGDTITDVL RYVDFDAEVL RGIYRERVVA
     AAGLDATARA QCLADLEAGL RGYTYLDT
//