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PSD_CUPMC
ID   PSD_CUPMC               Reviewed;         217 AA.
AC   Q1LPX5;
DT   28-NOV-2006, integrated into UniProtKB/Swiss-Prot.
DT   28-NOV-2006, sequence version 2.
DT   25-MAY-2022, entry version 72.
DE   RecName: Full=Phosphatidylserine decarboxylase proenzyme {ECO:0000255|HAMAP-Rule:MF_00664};
DE            EC=4.1.1.65 {ECO:0000255|HAMAP-Rule:MF_00664};
DE   Contains:
DE     RecName: Full=Phosphatidylserine decarboxylase alpha chain {ECO:0000255|HAMAP-Rule:MF_00664};
DE   Contains:
DE     RecName: Full=Phosphatidylserine decarboxylase beta chain {ECO:0000255|HAMAP-Rule:MF_00664};
GN   Name=psd {ECO:0000255|HAMAP-Rule:MF_00664}; OrderedLocusNames=Rmet_0915;
OS   Cupriavidus metallidurans (strain ATCC 43123 / DSM 2839 / NBRC 102507 /
OS   CH34) (Ralstonia metallidurans).
OC   Bacteria; Proteobacteria; Betaproteobacteria; Burkholderiales;
OC   Burkholderiaceae; Cupriavidus.
OX   NCBI_TaxID=266264;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 43123 / DSM 2839 / NBRC 102507 / CH34;
RX   PubMed=20463976; DOI=10.1371/journal.pone.0010433;
RA   Janssen P.J., Van Houdt R., Moors H., Monsieurs P., Morin N., Michaux A.,
RA   Benotmane M.A., Leys N., Vallaeys T., Lapidus A., Monchy S., Medigue C.,
RA   Taghavi S., McCorkle S., Dunn J., van der Lelie D., Mergeay M.;
RT   "The complete genome sequence of Cupriavidus metallidurans strain CH34, a
RT   master survivalist in harsh and anthropogenic environments.";
RL   PLoS ONE 5:E10433-E10433(2010).
CC   -!- FUNCTION: Catalyzes the formation of phosphatidylethanolamine (PtdEtn)
CC       from phosphatidylserine (PtdSer). {ECO:0000255|HAMAP-Rule:MF_00664}.
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_00664};
CC   -!- COFACTOR:
CC       Name=pyruvate; Xref=ChEBI:CHEBI:15361;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00664};
CC       Note=Binds 1 pyruvoyl group covalently per subunit. {ECO:0000255|HAMAP-
CC       Rule:MF_00664};
CC   -!- PATHWAY: Phospholipid metabolism; phosphatidylethanolamine
CC       biosynthesis; phosphatidylethanolamine from CDP-diacylglycerol: step
CC       2/2. {ECO:0000255|HAMAP-Rule:MF_00664}.
CC   -!- SUBUNIT: Heterodimer of a large membrane-associated beta subunit and a
CC       small pyruvoyl-containing alpha subunit. {ECO:0000255|HAMAP-
CC       Rule:MF_00664}.
CC   -!- SUBCELLULAR LOCATION: Cell membrane {ECO:0000255|HAMAP-Rule:MF_00664};
CC       Peripheral membrane protein {ECO:0000255|HAMAP-Rule:MF_00664}.
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 prosthetic group on the alpha chain.
CC       {ECO:0000255|HAMAP-Rule:MF_00664}.
CC   -!- SIMILARITY: Belongs to the phosphatidylserine decarboxylase family.
CC       PSD-A subfamily. {ECO:0000255|HAMAP-Rule:MF_00664}.
CC   -!- SEQUENCE CAUTION:
CC       Sequence=ABF07801.1; Type=Erroneous initiation; Evidence={ECO:0000305};
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DR   EMBL; CP000352; ABF07801.1; ALT_INIT; Genomic_DNA.
DR   RefSeq; WP_029308257.1; NC_007973.1.
DR   AlphaFoldDB; Q1LPX5; -.
DR   STRING; 266264.Rmet_0915; -.
DR   EnsemblBacteria; ABF07801; ABF07801; Rmet_0915.
DR   KEGG; rme:Rmet_0915; -.
DR   eggNOG; COG0688; Bacteria.
DR   HOGENOM; CLU_072492_0_0_4; -.
DR   OrthoDB; 891720at2; -.
DR   UniPathway; UPA00558; UER00616.
DR   Proteomes; UP000002429; 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_00664; PS_decarb_PSD_A; 1.
DR   InterPro; IPR003817; PS_Dcarbxylase.
DR   InterPro; IPR033175; PSD-A.
DR   PANTHER; PTHR35809; PTHR35809; 1.
DR   Pfam; PF02666; PS_Dcarbxylase; 1.
DR   TIGRFAMs; TIGR00164; PS_decarb_rel; 1.
PE   3: Inferred from homology;
KW   Cell membrane; Decarboxylase; Lipid biosynthesis; Lipid metabolism; Lyase;
KW   Membrane; Phospholipid biosynthesis; Phospholipid metabolism; Pyruvate;
KW   Reference proteome; Zymogen.
FT   CHAIN           1..182
FT                   /note="Phosphatidylserine decarboxylase beta chain"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00664"
FT                   /id="PRO_0000262247"
FT   CHAIN           183..217
FT                   /note="Phosphatidylserine decarboxylase alpha chain"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00664"
FT                   /id="PRO_0000262248"
FT   ACT_SITE        183
FT                   /note="Schiff-base intermediate with substrate; via pyruvic
FT                   acid"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00664"
FT   SITE            182..183
FT                   /note="Cleavage (non-hydrolytic); by autocatalysis"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00664"
FT   MOD_RES         183
FT                   /note="Pyruvic acid (Ser); by autocatalysis"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00664"
SQ   SEQUENCE   217 AA;  23967 MW;  BE92AEDF7287C754 CRC64;
     MNYPHPLIAR EGWPFLAGAF IVSVLVHISA GFWGALPLWI VTLFVLQFFR DPPRPIPSAP
     NAILAPADGR IVVVEKTQDP YAGREALKIS VFMNVFNVHS NRSSLDGKVE KLEYFPGKFV
     NADLDKASME NERNAVVIRR ASDGQVVTLV QVAGLVARRI LCYINVGDML SRGQRYGFIR
     FGSRVDVYLP TDARPRVTIG EKVSASATVL ADLDVRA
 
 
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