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SPED_YERPE
ID   SPED_YERPE              Reviewed;         264 AA.
AC   Q8ZBJ7; Q0WBN4;
DT   06-JUN-2002, integrated into UniProtKB/Swiss-Prot.
DT   01-MAR-2002, sequence version 1.
DT   25-MAY-2022, entry version 128.
DE   RecName: Full=S-adenosylmethionine decarboxylase proenzyme {ECO:0000255|HAMAP-Rule:MF_00465};
DE            Short=AdoMetDC {ECO:0000255|HAMAP-Rule:MF_00465};
DE            Short=SAMDC {ECO:0000255|HAMAP-Rule:MF_00465};
DE            EC=4.1.1.50 {ECO:0000255|HAMAP-Rule:MF_00465};
DE   Contains:
DE     RecName: Full=S-adenosylmethionine decarboxylase beta chain {ECO:0000255|HAMAP-Rule:MF_00465};
DE   Contains:
DE     RecName: Full=S-adenosylmethionine decarboxylase alpha chain {ECO:0000255|HAMAP-Rule:MF_00465};
DE   Flags: Precursor;
GN   Name=speD {ECO:0000255|HAMAP-Rule:MF_00465};
GN   OrderedLocusNames=YPO3412, y0774, YP_0273;
OS   Yersinia pestis.
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Yersiniaceae; Yersinia.
OX   NCBI_TaxID=632;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=CO-92 / Biovar Orientalis;
RX   PubMed=11586360; DOI=10.1038/35097083;
RA   Parkhill J., Wren B.W., Thomson N.R., Titball R.W., Holden M.T.G.,
RA   Prentice M.B., Sebaihia M., James K.D., Churcher C.M., Mungall K.L.,
RA   Baker S., Basham D., Bentley S.D., Brooks K., Cerdeno-Tarraga A.-M.,
RA   Chillingworth T., Cronin A., Davies R.M., Davis P., Dougan G., Feltwell T.,
RA   Hamlin N., Holroyd S., Jagels K., Karlyshev A.V., Leather S., Moule S.,
RA   Oyston P.C.F., Quail M.A., Rutherford K.M., Simmonds M., Skelton J.,
RA   Stevens K., Whitehead S., Barrell B.G.;
RT   "Genome sequence of Yersinia pestis, the causative agent of plague.";
RL   Nature 413:523-527(2001).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=KIM10+ / Biovar Mediaevalis;
RX   PubMed=12142430; DOI=10.1128/jb.184.16.4601-4611.2002;
RA   Deng W., Burland V., Plunkett G. III, Boutin A., Mayhew G.F., Liss P.,
RA   Perna N.T., Rose D.J., Mau B., Zhou S., Schwartz D.C., Fetherston J.D.,
RA   Lindler L.E., Brubaker R.R., Plano G.V., Straley S.C., McDonough K.A.,
RA   Nilles M.L., Matson J.S., Blattner F.R., Perry R.D.;
RT   "Genome sequence of Yersinia pestis KIM.";
RL   J. Bacteriol. 184:4601-4611(2002).
RN   [3]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=91001 / Biovar Mediaevalis;
RX   PubMed=15368893; DOI=10.1093/dnares/11.3.179;
RA   Song Y., Tong Z., Wang J., Wang L., Guo Z., Han Y., Zhang J., Pei D.,
RA   Zhou D., Qin H., Pang X., Han Y., Zhai J., Li M., Cui B., Qi Z., Jin L.,
RA   Dai R., Chen F., Li S., Ye C., Du Z., Lin W., Wang J., Yu J., Yang H.,
RA   Wang J., Huang P., Yang R.;
RT   "Complete genome sequence of Yersinia pestis strain 91001, an isolate
RT   avirulent to humans.";
RL   DNA Res. 11:179-197(2004).
CC   -!- FUNCTION: Catalyzes the decarboxylation of S-adenosylmethionine to S-
CC       adenosylmethioninamine (dcAdoMet), the propylamine donor required for
CC       the synthesis of the polyamines spermine and spermidine from the
CC       diamine putrescine. {ECO:0000255|HAMAP-Rule:MF_00465}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=H(+) + S-adenosyl-L-methionine = CO2 + S-adenosyl 3-
CC         (methylsulfanyl)propylamine; Xref=Rhea:RHEA:15981, ChEBI:CHEBI:15378,
CC         ChEBI:CHEBI:16526, ChEBI:CHEBI:57443, ChEBI:CHEBI:59789; EC=4.1.1.50;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00465};
CC   -!- COFACTOR:
CC       Name=pyruvate; Xref=ChEBI:CHEBI:15361;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00465};
CC       Note=Binds 1 pyruvoyl group covalently per subunit. {ECO:0000255|HAMAP-
CC       Rule:MF_00465};
CC   -!- PATHWAY: Amine and polyamine biosynthesis; S-adenosylmethioninamine
CC       biosynthesis; S-adenosylmethioninamine from S-adenosyl-L-methionine:
CC       step 1/1. {ECO:0000255|HAMAP-Rule:MF_00465}.
CC   -!- SUBUNIT: Heterooctamer of four alpha and four beta chains arranged as a
CC       tetramer of alpha/beta heterodimers. {ECO:0000255|HAMAP-Rule:MF_00465}.
CC   -!- PTM: Is synthesized initially as an inactive proenzyme. Formation of
CC       the active enzyme involves a self-maturation process in which the
CC       active site pyruvoyl group is generated from an internal serine residue
CC       via an autocatalytic post-translational modification. Two non-identical
CC       subunits are generated from the proenzyme in this reaction, and the
CC       pyruvate is formed at the N-terminus of the alpha chain, which is
CC       derived from the carboxyl end of the proenzyme. The post-translation
CC       cleavage follows an unusual pathway, termed non-hydrolytic serinolysis,
CC       in which the side chain hydroxyl group of the serine supplies its
CC       oxygen atom to form the C-terminus of the beta chain, while the
CC       remainder of the serine residue undergoes an oxidative deamination to
CC       produce ammonia and the pyruvoyl group blocking the N-terminus of the
CC       alpha chain. {ECO:0000255|HAMAP-Rule:MF_00465}.
CC   -!- SIMILARITY: Belongs to the prokaryotic AdoMetDC family. Type 2
CC       subfamily. {ECO:0000255|HAMAP-Rule:MF_00465}.
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DR   EMBL; AL590842; CAL22001.1; -; Genomic_DNA.
DR   EMBL; AE009952; AAM84361.1; -; Genomic_DNA.
DR   EMBL; AE017042; AAS60549.1; -; Genomic_DNA.
DR   PIR; AF0414; AF0414.
DR   RefSeq; WP_002209337.1; NZ_WUCM01000008.1.
DR   RefSeq; YP_002348304.1; NC_003143.1.
DR   AlphaFoldDB; Q8ZBJ7; -.
DR   SMR; Q8ZBJ7; -.
DR   STRING; 214092.YPO3412; -.
DR   PaxDb; Q8ZBJ7; -.
DR   DNASU; 1145721; -.
DR   EnsemblBacteria; AAM84361; AAM84361; y0774.
DR   EnsemblBacteria; AAS60549; AAS60549; YP_0273.
DR   GeneID; 57975297; -.
DR   KEGG; ype:YPO3412; -.
DR   KEGG; ypk:y0774; -.
DR   KEGG; ypm:YP_0273; -.
DR   PATRIC; fig|214092.21.peg.3898; -.
DR   eggNOG; COG1586; Bacteria.
DR   HOGENOM; CLU_092007_0_0_6; -.
DR   OMA; HVTVHTY; -.
DR   UniPathway; UPA00331; UER00451.
DR   Proteomes; UP000000815; Chromosome.
DR   Proteomes; UP000001019; Chromosome.
DR   Proteomes; UP000002490; Chromosome.
DR   GO; GO:0005829; C:cytosol; IBA:GO_Central.
DR   GO; GO:0004014; F:adenosylmethionine decarboxylase activity; IBA:GO_Central.
DR   GO; GO:0006557; P:S-adenosylmethioninamine biosynthetic process; IEA:UniProtKB-UniRule.
DR   GO; GO:0008295; P:spermidine biosynthetic process; IBA:GO_Central.
DR   HAMAP; MF_00465; AdoMetDC_2; 1.
DR   InterPro; IPR003826; AdoMetDC_fam_prok.
DR   InterPro; IPR009165; S-AdoMet_deCO2ase_bac.
DR   InterPro; IPR016067; S-AdoMet_deCO2ase_core.
DR   PANTHER; PTHR33866; PTHR33866; 1.
DR   Pfam; PF02675; AdoMet_dc; 1.
DR   PIRSF; PIRSF001356; SAM_decarboxylas; 1.
DR   SUPFAM; SSF56276; SSF56276; 1.
DR   TIGRFAMs; TIGR03331; SAM_DCase_Eco; 1.
PE   3: Inferred from homology;
KW   Autocatalytic cleavage; Decarboxylase; Lyase; Polyamine biosynthesis;
KW   Pyruvate; Reference proteome; S-adenosyl-L-methionine; Schiff base;
KW   Spermidine biosynthesis; Zymogen.
FT   CHAIN           1..111
FT                   /note="S-adenosylmethionine decarboxylase beta chain"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00465"
FT                   /id="PRO_0000030075"
FT   CHAIN           112..264
FT                   /note="S-adenosylmethionine decarboxylase alpha chain"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00465"
FT                   /id="PRO_0000030076"
FT   ACT_SITE        112
FT                   /note="Schiff-base intermediate with substrate; via pyruvic
FT                   acid"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00465"
FT   ACT_SITE        117
FT                   /note="Proton acceptor; for processing activity"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00465"
FT   ACT_SITE        140
FT                   /note="Proton donor; for catalytic activity"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00465"
FT   SITE            111..112
FT                   /note="Cleavage (non-hydrolytic); by autolysis"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00465"
FT   MOD_RES         112
FT                   /note="Pyruvic acid (Ser); by autocatalysis"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00465"
SQ   SEQUENCE   264 AA;  30293 MW;  E4C0AEE946FEDC89 CRC64;
     MSKLKLHGFN NLTKSLSFCI YDICYAKTAD DRDGYIAYID EQYNANRLTE ILSETCSIIG
     ANILNIARQD YDPQGASVTI LVSEEPVDPR DVDTSEHPGP LPSAVVAHLD KSHICVHTYP
     ESHPEAGLCT FRADIEVSTC GVISPLKALN YLIHQLESDI VTMDYRVRGF TRDINGVKHF
     IDHKINSIQN FMSDDMKSLY HMMDVNVYQE NIFHTKMMLK DFDLKHYLFN AKPEELSAEE
     KEQITRLLYK EMQEIYYGRN VPEV
 
 
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