ID   SPEA_SHEFN              Reviewed;         636 AA.
AC   Q083L6;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   31-OCT-2006, sequence version 1.
DT   03-AUG-2022, entry version 89.
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=Sfri_1698;
OS   Shewanella frigidimarina (strain NCIMB 400).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Alteromonadales;
OC   Shewanellaceae; Shewanella.
OX   NCBI_TaxID=318167;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=NCIMB 400;
RG   US DOE Joint Genome Institute;
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   Fredrickson J.K., Kolker E., McCuel L.A., DiChristina T., Nealson K.H.,
RA   Newman D., Tiedje J.M., Zhou J., Romine M.F., Culley D.E., Serres M.,
RA   Chertkov O., Brettin T., Bruce D., Han C., Tapia R., Gilna P., Schmutz J.,
RA   Larimer F., Land M., Hauser L., Kyrpides N., Mikhailova N., Richardson P.;
RT   "Complete sequence of Shewanella frigidimarina NCIMB 400.";
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;
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; CP000447; ABI71549.1; -; Genomic_DNA.
DR   RefSeq; WP_011637165.1; NC_008345.1.
DR   AlphaFoldDB; Q083L6; -.
DR   SMR; Q083L6; -.
DR   STRING; 318167.Sfri_1698; -.
DR   EnsemblBacteria; ABI71549; ABI71549; Sfri_1698.
DR   KEGG; sfr:Sfri_1698; -.
DR   eggNOG; COG1166; Bacteria.
DR   HOGENOM; CLU_027243_1_0_6; -.
DR   OMA; AVEYTQH; -.
DR   OrthoDB; 164471at2; -.
DR   UniPathway; UPA00186; UER00284.
DR   Proteomes; UP000000684; 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; IPR022644; De-COase2_N.
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; SSF51419; SSF51419; 1.
DR   TIGRFAMs; TIGR01273; speA; 1.
PE   3: Inferred from homology;
KW   Decarboxylase; Lyase; Magnesium; Metal-binding; Polyamine biosynthesis;
KW   Pyridoxal phosphate; Reference proteome; Spermidine biosynthesis.
FT   CHAIN           1..636
FT                   /note="Biosynthetic arginine decarboxylase"
FT                   /id="PRO_1000024268"
FT   BINDING         286..296
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   636 AA;  71191 MW;  C65C6E938E4E9116 CRC64;
     MSDWSIEDAR SGYNVTHWSQ GFYGIREDGE VTVSPNPQNP DHKVGLNELA KSMVEAGVSL
     PVLVRFPQIL HHRVESLCEA FNDAIKKYDY QNDYLLVYPI KVNQQKTVVE EILASQKSKE
     VPQLGLEAGS KPELMAVLAM AQKASSVIVC NGYKDKEYIR LALIGEKLGH KVYIVLEKMS
     ELKMVLIEAE KLGITPRLGL RVRLAFQGKG KWQASGGEKS KFGLSAAQVL KVIAELKSAN
     MLDSLQLLHF HLGSQIANIR DIRQGVSEAG RFYCELRQLG ASIDCFDVGG GLAVDYDGTR
     SQSNNSMNYG LNEYANNIVN VLTDLCNEYE QPMPRIISES GRHLTAHHAV LITDVIGTEA
     YQPENIQEPS EDAPQLLHNM WQSWLEISGR YDQRAIIEIY HDSQSDISEA HSLFAVGQLS
     LADRAWAEQA NLRVCHEVKG LLSNNNRYHR PVIDELNEKL ADKFFVNFSL FQSLPDAWGI
     DQVFPVLPLS GLDKAPERRA VMLDITCDSD GIVDQYVDGQ GIETTLPVPA WSADSPYLIG
     FFMVGAYQEI LGDMHNLFGD TNSAVVRIDE RGLSQIESVL EGDTVADVLR YVNLDAVDFM
     RTYEELVNQH IVEEERASIL EELQLGLKGY TYLEDF