ID A0A1T4XGB6_9GAMM Unreviewed; 632 AA.
AC A0A1T4XGB6;
DT 10-MAY-2017, integrated into UniProtKB/TrEMBL.
DT 10-MAY-2017, sequence version 1.
DT 24-JAN-2024, entry version 27.
DE RecName: Full=Biosynthetic arginine decarboxylase {ECO:0000256|HAMAP-Rule:MF_01417};
DE Short=ADC {ECO:0000256|HAMAP-Rule:MF_01417};
DE EC=4.1.1.19 {ECO:0000256|HAMAP-Rule:MF_01417};
GN Name=speA {ECO:0000256|HAMAP-Rule:MF_01417};
GN ORFNames=SAMN02745130_02958 {ECO:0000313|EMBL:SKA88549.1};
OS Thiothrix eikelboomii.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Thiotrichales;
OC Thiotrichaceae; Thiothrix.
OX NCBI_TaxID=92487 {ECO:0000313|EMBL:SKA88549.1, ECO:0000313|Proteomes:UP000190460};
RN [1] {ECO:0000313|EMBL:SKA88549.1, ECO:0000313|Proteomes:UP000190460}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 49788 {ECO:0000313|EMBL:SKA88549.1,
RC ECO:0000313|Proteomes:UP000190460};
RA Peterson S.W.;
RL Submitted (FEB-2017) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Catalyzes the biosynthesis of agmatine from arginine.
CC {ECO:0000256|ARBA:ARBA00002257, ECO:0000256|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:0000256|HAMAP-
CC Rule:MF_01417};
CC -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000256|ARBA:ARBA00001946,
CC ECO:0000256|HAMAP-Rule:MF_01417};
CC -!- COFACTOR:
CC Name=pyridoxal 5'-phosphate; Xref=ChEBI:CHEBI:597326;
CC Evidence={ECO:0000256|ARBA:ARBA00001933,
CC ECO:0000256|HAMAP-Rule:MF_01417, ECO:0000256|PIRSR:PIRSR001336-50};
CC -!- PATHWAY: Amine and polyamine biosynthesis; agmatine biosynthesis;
CC agmatine from L-arginine: step 1/1. {ECO:0000256|HAMAP-Rule:MF_01417}.
CC -!- SIMILARITY: Belongs to the Orn/Lys/Arg decarboxylase class-II family.
CC SpeA subfamily. {ECO:0000256|ARBA:ARBA00008357, ECO:0000256|HAMAP-
CC Rule:MF_01417}.
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DR EMBL; FUYB01000017; SKA88549.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A1T4XGB6; -.
DR STRING; 92487.SAMN02745130_02958; -.
DR OrthoDB; 9802658at2; -.
DR UniPathway; UPA00186; UER00284.
DR Proteomes; UP000190460; Unassembled WGS sequence.
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 {ECO:0000256|ARBA:ARBA00022793, ECO:0000256|HAMAP-
KW Rule:MF_01417};
KW Lyase {ECO:0000256|ARBA:ARBA00023239, ECO:0000256|HAMAP-Rule:MF_01417};
KW Magnesium {ECO:0000256|ARBA:ARBA00022842, ECO:0000256|HAMAP-Rule:MF_01417};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723, ECO:0000256|HAMAP-
KW Rule:MF_01417};
KW Polyamine biosynthesis {ECO:0000256|ARBA:ARBA00023115, ECO:0000256|HAMAP-
KW Rule:MF_01417};
KW Pyridoxal phosphate {ECO:0000256|HAMAP-Rule:MF_01417,
KW ECO:0000256|PIRSR:PIRSR001336-50};
KW Reference proteome {ECO:0000313|Proteomes:UP000190460};
KW Spermidine biosynthesis {ECO:0000256|ARBA:ARBA00023066, ECO:0000256|HAMAP-
KW Rule:MF_01417}.
FT DOMAIN 78..343
FT /note="Orn/DAP/Arg decarboxylase 2 N-terminal"
FT /evidence="ECO:0000259|Pfam:PF02784"
FT DOMAIN 371..435
FT /note="Arginine decarboxylase helical bundle"
FT /evidence="ECO:0000259|Pfam:PF17810"
FT DOMAIN 581..630
FT /note="Arginine decarboxylase C-terminal helical"
FT /evidence="ECO:0000259|Pfam:PF17944"
FT ACT_SITE 503
FT /note="Proton donor"
FT /evidence="ECO:0000256|PIRSR:PIRSR600183-50"
FT BINDING 283..293
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01417"
FT MOD_RES 103
FT /note="N6-(pyridoxal phosphate)lysine"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01417,
FT ECO:0000256|PIRSR:PIRSR001336-50"
SQ SEQUENCE 632 AA; 71495 MW; 76599B6C0E41855B CRC64;
MRTESNWNLD SARQLYRVRH WGNGYFDINE QGHVAMCLPH SQQQVDLYEF AQRVHQDNEM
RFPLLVRFVN VLHDRVQRLQ IAFNKAIAES GQTSRYTAIY PIKVNQQRSV VQQILAGGKQ
QVGLEAGSKP ELMAVLGSAP EGCTIICNGY KDREYLRLAL IGRQMGHKIY IVVEKPSELL
ETLEEAEKLQ IEPLLGIRVR LYSLGKGKWQ NTGGEKSKFG LSAAQALNML ATLKQAGKID
CLQLLHFHMG SQIANIQDIQ RGMREASRYF AELHQLGANI RVIDVGGGLG VDYEGSRSRS
EGSINYTLQE YANTVVRSVF DACEDYQVPM PDFITESGRG MTAHHAVLIT NVIDTDPEQP
ESAPVIHKPQ EADPTILHNL YRLLQNLTTV PPSEIYHDAA YWLSEAHGLY AHGAINLQQR
AQAENLHRAI SQKLIANPEI FNTLETEIQT HLRERLADKY FCNFSLFQSM PDAWAIDQIF
PIMPLHCLDE APSRRVTLQD LTCDSDGTIE RYVENGRLET TLPLHPLKPN QTYLLGIFMV
GAYQEILGDL HNLFGDTDSI NVELFPDGSY QISEPERGDT IDELLRSIHF EPKNLLAQCR
KKLAAAVDNT DRQKMLLREI EAGLIGYTYL ED
//
