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PSD_BORBR
ID   PSD_BORBR               Reviewed;         297 AA.
AC   Q7WIF7;
DT   15-DEC-2003, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-2003, sequence version 1.
DT   03-AUG-2022, entry version 91.
DE   RecName: Full=Phosphatidylserine decarboxylase proenzyme {ECO:0000255|HAMAP-Rule:MF_00662};
DE            EC=4.1.1.65 {ECO:0000255|HAMAP-Rule:MF_00662};
DE   Contains:
DE     RecName: Full=Phosphatidylserine decarboxylase alpha chain {ECO:0000255|HAMAP-Rule:MF_00662};
DE   Contains:
DE     RecName: Full=Phosphatidylserine decarboxylase beta chain {ECO:0000255|HAMAP-Rule:MF_00662};
GN   Name=psd {ECO:0000255|HAMAP-Rule:MF_00662}; OrderedLocusNames=BB2894;
OS   Bordetella bronchiseptica (strain ATCC BAA-588 / NCTC 13252 / RB50)
OS   (Alcaligenes bronchisepticus).
OC   Bacteria; Proteobacteria; Betaproteobacteria; Burkholderiales;
OC   Alcaligenaceae; Bordetella.
OX   NCBI_TaxID=257310;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-588 / NCTC 13252 / RB50;
RX   PubMed=12910271; DOI=10.1038/ng1227;
RA   Parkhill J., Sebaihia M., Preston A., Murphy L.D., Thomson N.R.,
RA   Harris D.E., Holden M.T.G., Churcher C.M., Bentley S.D., Mungall K.L.,
RA   Cerdeno-Tarraga A.-M., Temple L., James K.D., Harris B., Quail M.A.,
RA   Achtman M., Atkin R., Baker S., Basham D., Bason N., Cherevach I.,
RA   Chillingworth T., Collins M., Cronin A., Davis P., Doggett J., Feltwell T.,
RA   Goble A., Hamlin N., Hauser H., Holroyd S., Jagels K., Leather S.,
RA   Moule S., Norberczak H., O'Neil S., Ormond D., Price C., Rabbinowitsch E.,
RA   Rutter S., Sanders M., Saunders D., Seeger K., Sharp S., Simmonds M.,
RA   Skelton J., Squares R., Squares S., Stevens K., Unwin L., Whitehead S.,
RA   Barrell B.G., Maskell D.J.;
RT   "Comparative analysis of the genome sequences of Bordetella pertussis,
RT   Bordetella parapertussis and Bordetella bronchiseptica.";
RL   Nat. Genet. 35:32-40(2003).
CC   -!- FUNCTION: Catalyzes the formation of phosphatidylethanolamine (PtdEtn)
CC       from phosphatidylserine (PtdSer). {ECO:0000255|HAMAP-Rule:MF_00662}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=a 1,2-diacyl-sn-glycero-3-phospho-L-serine + H(+) = a 1,2-
CC         diacyl-sn-glycero-3-phosphoethanolamine + CO2; Xref=Rhea:RHEA:20828,
CC         ChEBI:CHEBI:15378, ChEBI:CHEBI:16526, ChEBI:CHEBI:57262,
CC         ChEBI:CHEBI:64612; EC=4.1.1.65; Evidence={ECO:0000255|HAMAP-
CC         Rule:MF_00662};
CC   -!- COFACTOR:
CC       Name=pyruvate; Xref=ChEBI:CHEBI:15361;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00662};
CC       Note=Binds 1 pyruvoyl group covalently per subunit. {ECO:0000255|HAMAP-
CC       Rule:MF_00662};
CC   -!- PATHWAY: Phospholipid metabolism; phosphatidylethanolamine
CC       biosynthesis; phosphatidylethanolamine from CDP-diacylglycerol: step
CC       2/2. {ECO:0000255|HAMAP-Rule:MF_00662}.
CC   -!- SUBUNIT: Heterodimer of a large membrane-associated beta subunit and a
CC       small pyruvoyl-containing alpha subunit. {ECO:0000255|HAMAP-
CC       Rule:MF_00662}.
CC   -!- SUBCELLULAR LOCATION: Cell membrane {ECO:0000255|HAMAP-Rule:MF_00662};
CC       Peripheral membrane protein {ECO:0000255|HAMAP-Rule:MF_00662}.
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 autoendoproteolytic
CC       cleavage occurs by a canonical serine protease mechanism, in which the
CC       side chain hydroxyl group of the serine supplies its oxygen atom to
CC       form the C-terminus of the beta chain, while the remainder of the
CC       serine residue undergoes an oxidative deamination to produce ammonia
CC       and the pyruvoyl prosthetic group on the alpha chain. During this
CC       reaction, the Ser that is part of the protease active site of the
CC       proenzyme becomes the pyruvoyl prosthetic group, which constitutes an
CC       essential element of the active site of the mature decarboxylase.
CC       {ECO:0000255|HAMAP-Rule:MF_00662}.
CC   -!- SIMILARITY: Belongs to the phosphatidylserine decarboxylase family.
CC       PSD-B subfamily. Prokaryotic type I sub-subfamily. {ECO:0000255|HAMAP-
CC       Rule:MF_00662}.
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DR   EMBL; BX640445; CAE33386.1; -; Genomic_DNA.
DR   RefSeq; WP_010926680.1; NC_002927.3.
DR   AlphaFoldDB; Q7WIF7; -.
DR   SMR; Q7WIF7; -.
DR   STRING; 257310.BB2894; -.
DR   EnsemblBacteria; CAE33386; CAE33386; BB2894.
DR   KEGG; bbr:BB2894; -.
DR   eggNOG; COG0688; Bacteria.
DR   HOGENOM; CLU_029061_4_1_4; -.
DR   OMA; AIEWQLH; -.
DR   OrthoDB; 891720at2; -.
DR   UniPathway; UPA00558; UER00616.
DR   Proteomes; UP000001027; Chromosome.
DR   GO; GO:0005886; C:plasma membrane; IEA:UniProtKB-SubCell.
DR   GO; GO:0004609; F:phosphatidylserine decarboxylase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0006646; P:phosphatidylethanolamine biosynthetic process; IEA:UniProtKB-UniPathway.
DR   HAMAP; MF_00662; PS_decarb_PSD_B_type1; 1.
DR   InterPro; IPR003817; PS_Dcarbxylase.
DR   InterPro; IPR033177; PSD.
DR   InterPro; IPR033178; PSD_type1_pro.
DR   PANTHER; PTHR10067; PTHR10067; 1.
DR   Pfam; PF02666; PS_Dcarbxylase; 1.
DR   TIGRFAMs; TIGR00163; PS_decarb; 1.
PE   3: Inferred from homology;
KW   Cell membrane; Decarboxylase; Lipid biosynthesis; Lipid metabolism; Lyase;
KW   Membrane; Phospholipid biosynthesis; Phospholipid metabolism; Pyruvate;
KW   Zymogen.
FT   CHAIN           1..253
FT                   /note="Phosphatidylserine decarboxylase beta chain"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00662"
FT                   /id="PRO_0000029633"
FT   CHAIN           254..297
FT                   /note="Phosphatidylserine decarboxylase alpha chain"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00662"
FT                   /id="PRO_0000029634"
FT   ACT_SITE        92
FT                   /note="Charge relay system; for autoendoproteolytic
FT                   cleavage activity"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00662"
FT   ACT_SITE        149
FT                   /note="Charge relay system; for autoendoproteolytic
FT                   cleavage activity"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00662"
FT   ACT_SITE        254
FT                   /note="Charge relay system; for autoendoproteolytic
FT                   cleavage activity"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00662"
FT   ACT_SITE        254
FT                   /note="Schiff-base intermediate with substrate; via pyruvic
FT                   acid; for decarboxylase activity"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00662"
FT   SITE            253..254
FT                   /note="Cleavage (non-hydrolytic); by autocatalysis"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00662"
FT   MOD_RES         254
FT                   /note="Pyruvic acid (Ser); by autocatalysis"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00662"
SQ   SEQUENCE   297 AA;  32586 MW;  02861DB2565FAF43 CRC64;
     MPFKDQLFLA SQYLAPHHLV SRLMGRAADC RAPEIKNRMI ARFVRRYNVD MSEALVEDPL
     AYASFNDFFT RALKPDARPL DDEPGAALCP ADGAISQIGA IDNGRIFQAK GHSFGLTDLL
     GGDAERAAPF AGGQFATIYL SPRDYHRVHM PLAGTLREMV HVPGRLFSVN PLTARSVPEL
     FARNERVACL FDTEHGPMAL VLVGAMIVAS IETVWAGLVT PHKRQVRSVR YDAAARAPIH
     LDKGAEMGRF KLGSTVIVLF GPKRLRWLDL PSVRGPVRMG ETLALPASTA ISFPESE
 
 
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