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PSD_NOVAD
ID   PSD_NOVAD               Reviewed;         252 AA.
AC   Q2G8L3;
DT   28-NOV-2006, integrated into UniProtKB/Swiss-Prot.
DT   21-MAR-2006, sequence version 1.
DT   25-MAY-2022, entry version 81.
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=Saro_1366;
OS   Novosphingobium aromaticivorans (strain ATCC 700278 / DSM 12444 / CCUG
OS   56034 / CIP 105152 / NBRC 16084 / F199).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Sphingomonadales;
OC   Sphingomonadaceae; Novosphingobium.
OX   NCBI_TaxID=279238;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 700278 / DSM 12444 / CCUG 56034 / CIP 105152 / NBRC 16084 /
RC   F199;
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., Chain P., Malfatti S., Shin M.,
RA   Vergez L., Schmutz J., Larimer F., Land M., Kyrpides N., Ivanova N.,
RA   Fredrickson J., Balkwill D., Romine M.F., Richardson P.;
RT   "Complete sequence of Novosphingobium aromaticivorans DSM 12444.";
RL   Submitted (JAN-2006) to the EMBL/GenBank/DDBJ databases.
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}.
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DR   EMBL; CP000248; ABD25810.1; -; Genomic_DNA.
DR   AlphaFoldDB; Q2G8L3; -.
DR   STRING; 279238.Saro_1366; -.
DR   EnsemblBacteria; ABD25810; ABD25810; Saro_1366.
DR   KEGG; nar:Saro_1366; -.
DR   eggNOG; COG0688; Bacteria.
DR   HOGENOM; CLU_072492_0_0_5; -.
DR   OMA; VSIFMSP; -.
DR   UniPathway; UPA00558; UER00616.
DR   Proteomes; UP000009134; 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..210
FT                   /note="Phosphatidylserine decarboxylase beta chain"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00664"
FT                   /id="PRO_0000262237"
FT   CHAIN           211..252
FT                   /note="Phosphatidylserine decarboxylase alpha chain"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00664"
FT                   /id="PRO_0000262238"
FT   ACT_SITE        211
FT                   /note="Schiff-base intermediate with substrate; via pyruvic
FT                   acid"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00664"
FT   SITE            210..211
FT                   /note="Cleavage (non-hydrolytic); by autocatalysis"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00664"
FT   MOD_RES         211
FT                   /note="Pyruvic acid (Ser); by autocatalysis"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00664"
SQ   SEQUENCE   252 AA;  27210 MW;  630F2E0FC6E3FF0B CRC64;
     MGRMSGEILD NRGRGTAGWS WPSIHPEGRK FGLIAAVASL GAALMAWETI AWPLAFLTLG
     VLAFFRDPVR VTPRDDRFVV SPADGLITLI QKVPPPRELC ADDGSGVRGM NDAPVTRVSI
     FMSVFDVHIN RSPIAGTIRR VVYIPGKFLN ADLDKASEEN ERQHFLVERA DGVQIGFTQI
     AGLIARRIVP FVKGGDIVAV GQRVGLIRFG SRVDVYLPAG TEPKVLMGQK VIAGETVLAE
     IGEAPMIEGI GQ
 
 
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