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SPEA_PROM9
ID   SPEA_PROM9              Reviewed;         648 AA.
AC   Q31DD8;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   06-DEC-2005, sequence version 1.
DT   03-AUG-2022, entry version 90.
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=PMT9312_0046;
OS   Prochlorococcus marinus (strain MIT 9312).
OC   Bacteria; Cyanobacteria; Synechococcales; Prochlorococcaceae;
OC   Prochlorococcus.
OX   NCBI_TaxID=74546;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=MIT 9312;
RG   US DOE Joint Genome Institute;
RA   Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C., Glavina T.,
RA   Hammon N., Israni S., Pitluck S., Thiel J., Schmutz J., Larimer F.,
RA   Land M., Kyrpides N., Lykidis A., Richardson P.;
RT   "Complete sequence of Prochlorococcus marinus str. MIT 9312.";
RL   Submitted (JUL-2005) 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; CP000111; ABB49107.1; -; Genomic_DNA.
DR   RefSeq; WP_011375611.1; NC_007577.1.
DR   AlphaFoldDB; Q31DD8; -.
DR   SMR; Q31DD8; -.
DR   STRING; 74546.PMT9312_0046; -.
DR   EnsemblBacteria; ABB49107; ABB49107; PMT9312_0046.
DR   KEGG; pmi:PMT9312_0046; -.
DR   eggNOG; COG1166; Bacteria.
DR   HOGENOM; CLU_027243_1_0_3; -.
DR   OMA; AVEYTQH; -.
DR   OrthoDB; 164471at2; -.
DR   UniPathway; UPA00186; UER00284.
DR   Proteomes; UP000002715; 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; Spermidine biosynthesis.
FT   CHAIN           1..648
FT                   /note="Biosynthetic arginine decarboxylase"
FT                   /id="PRO_1000024261"
FT   BINDING         291..301
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01417"
FT   MOD_RES         109
FT                   /note="N6-(pyridoxal phosphate)lysine"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01417"
SQ   SEQUENCE   648 AA;  73366 MW;  7F89743E16C3B08A CRC64;
     MTNFEPKKLK NIWTIEDSIS TYNIDKWGDK YFSINSKGNI SVTKDIKSEN KIDLFKLVKE
     LKSREINPPL IIRFNDILKD RINALHDSFF KAIKTYKYKN IYQGVFPVKC NQQKNVLEKI
     IEFGSQWNFG LEVGSKSELL IGLALLENQN SLLICNGYKD KKYIEIATLA RKLGKNPIIV
     IEQRDEVKRI IQAVQELNAT PLIGIRAKLS SKSSGRWGKS IGDNSKFGLS IPEIMLTIKE
     LKEANLINEM KLLHFHIGSQ ISDIAVIKDA LQEASQIYVE LCKLGAPMQY IDVGGGLGID
     FDGTKTSSNT STNYSLQNYA NDVIATIKDS CELNNIKHPI IISESGRAII SHCSVLIFNV
     LGTSHVSSKL QIFDKKNQQL IISNLLETFY ELKKLKNKKI NLSQIIELWN DAKKFKEDCL
     VAFRLGFLSL AERAYAEELT WACAKEISKN LNNDAINHPD LSEITETLAS TYYANLSIFK
     SIPDSWAINQ IFPIVPIHRH LEEPFCKGNF ADLTCDSDGK LNNFIDDGKI KSLLNLHKPE
     EDKDYLIGIF MTGAYQEALG NLHNLFGSTN VVHIDINQDN SYKVKNIIKE DSKSEILQLL
     DYSSASLVES IRINTESAID QKKLTIEEAR KLMDQIEISL RKSSYLSE
 
 
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