ID   SPEA_NEIMA              Reviewed;         630 AA.
AC   Q9JT25; A1ITK5;
DT   29-MAR-2004, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-2000, sequence version 1.
DT   03-AUG-2022, entry version 116.
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=NMA2017;
OS   Neisseria meningitidis serogroup A / serotype 4A (strain DSM 15465 /
OS   Z2491).
OC   Bacteria; Proteobacteria; Betaproteobacteria; Neisseriales; Neisseriaceae;
OC   Neisseria.
OX   NCBI_TaxID=122587;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DSM 15465 / Z2491;
RX   PubMed=10761919; DOI=10.1038/35006655;
RA   Parkhill J., Achtman M., James K.D., Bentley S.D., Churcher C.M.,
RA   Klee S.R., Morelli G., Basham D., Brown D., Chillingworth T., Davies R.M.,
RA   Davis P., Devlin K., Feltwell T., Hamlin N., Holroyd S., Jagels K.,
RA   Leather S., Moule S., Mungall K.L., Quail M.A., Rajandream M.A.,
RA   Rutherford K.M., Simmonds M., Skelton J., Whitehead S., Spratt B.G.,
RA   Barrell B.G.;
RT   "Complete DNA sequence of a serogroup A strain of Neisseria meningitidis
RT   Z2491.";
RL   Nature 404:502-506(2000).
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; AL157959; CAM09122.1; -; Genomic_DNA.
DR   PIR; D81831; D81831.
DR   RefSeq; WP_002245920.1; NC_003116.1.
DR   AlphaFoldDB; Q9JT25; -.
DR   SMR; Q9JT25; -.
DR   EnsemblBacteria; CAM09122; CAM09122; NMA2017.
DR   KEGG; nma:NMA2017; -.
DR   HOGENOM; CLU_027243_1_0_4; -.
DR   OMA; AVEYTQH; -.
DR   BioCyc; NMEN122587:NMA_RS10230-MON; -.
DR   UniPathway; UPA00186; UER00284.
DR   Proteomes; UP000000626; 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..630
FT                   /note="Biosynthetic arginine decarboxylase"
FT                   /id="PRO_0000149964"
FT   BINDING         279..289
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01417"
FT   MOD_RES         99
FT                   /note="N6-(pyridoxal phosphate)lysine"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01417"
SQ   SEQUENCE   630 AA;  70901 MW;  1E33ACEE7929F314 CRC64;
     MPILTIREVC NINHWGIGYY DVDDSGEIIV RPNPSQHNQI VSLQKLTEAV QQKHQARLPV
     LFCFPQILEH RLRDINRAFQ TAREECGYKG GYCLVYPIKV NQHRRVIESL MSSGQPHGLE
     AGSKAELMAV LAHAGTRQTL IVCNGYKDRE YIRFALMGEK LGHQVYLVIE KLSEIQMVLE
     EAEKLGIKPR LGVRARLASQ GSGKWQSSGG EKSKFGLSAS QVLQLVDILK QKNRLDCLQL
     LHFHLGSQLG NIRDVATGVH ESARFYVELH KLGVNIRCFD VGGGLGVDYE GNRTQSDCSV
     NYSLNEYAAT VVWGISQACL EHGLPHPTII TESGRGITAH HAVLVANVIG VERYKPRRLD
     APSPEAPRVL HSMWETWTDI SASREKRSLR SWIHEGQFDL ADVHNQYNVG LLSLAQRAWA
     EQLYLNICHE VGELFNEKHR SHRTIIDELQ ERFADKLYVN FSLFQSLPDA WGIDQLFPVC
     PITGLNEPIA RRAVLLDITC DSDGTIDHYI DGDGIAGTMP MPDYPEEEPP LLGFFMVGAY
     QEILGNMHNL FGDTATADVV VGEDGQFTVI DYDEGNTVAD MLEYVYQDPK ELMKRYREQI
     EHSDLPASQA MSFLKELEAG LNGYTYLEDE