ID A0A0H1B414_9EURO Unreviewed; 1071 AA.
AC A0A0H1B414;
DT 16-SEP-2015, integrated into UniProtKB/TrEMBL.
DT 16-SEP-2015, sequence version 1.
DT 24-JAN-2024, entry version 42.
DE RecName: Full=Phosphatidylserine decarboxylase proenzyme 2 {ECO:0000256|HAMAP-Rule:MF_03209};
DE EC=4.1.1.65 {ECO:0000256|HAMAP-Rule:MF_03209};
DE Contains:
DE RecName: Full=Phosphatidylserine decarboxylase 2 beta chain {ECO:0000256|HAMAP-Rule:MF_03209};
DE Contains:
DE RecName: Full=Phosphatidylserine decarboxylase 2 alpha chain {ECO:0000256|HAMAP-Rule:MF_03209};
GN Name=PSD2 {ECO:0000256|HAMAP-Rule:MF_03209};
GN ORFNames=EMPG_10467 {ECO:0000313|EMBL:KLJ06130.1};
OS Blastomyces silverae.
OC Eukaryota; Fungi; Dikarya; Ascomycota; Pezizomycotina; Eurotiomycetes;
OC Eurotiomycetidae; Onygenales; Ajellomycetaceae; Blastomyces.
OX NCBI_TaxID=2060906 {ECO:0000313|EMBL:KLJ06130.1, ECO:0000313|Proteomes:UP000053573};
RN [1] {ECO:0000313|Proteomes:UP000053573}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=UAMH 139 {ECO:0000313|Proteomes:UP000053573};
RX PubMed=26439490; DOI=10.1371/journal.pgen.1005493;
RA Munoz J.F., Gauthier G.M., Desjardins C.A., Gallo J.E., Holder J.,
RA Sullivan T.D., Marty A.J., Carmen J.C., Chen Z., Ding L., Gujja S.,
RA Magrini V., Misas E., Mitreva M., Priest M., Saif S., Whiston E.A.,
RA Young S., Zeng Q., Goldman W.E., Mardis E.R., Taylor J.W., McEwen J.G.,
RA Clay O.K., Klein B.S., Cuomo C.A.;
RT "The dynamic genome and transcriptome of the human fungal pathogen
RT Blastomyces and close relative Emmonsia.";
RL PLoS Genet. 11:E1005493-E1005493(2015).
CC -!- FUNCTION: Catalyzes the formation of phosphatidylethanolamine (PtdEtn)
CC from phosphatidylserine (PtdSer). Plays a central role in phospholipid
CC metabolism and in the interorganelle trafficking of phosphatidylserine.
CC {ECO:0000256|HAMAP-Rule:MF_03209}.
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:0000256|HAMAP-
CC Rule:MF_03209};
CC -!- COFACTOR:
CC Name=pyruvate; Xref=ChEBI:CHEBI:15361;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_03209};
CC Note=Binds 1 pyruvoyl group covalently per subunit. {ECO:0000256|HAMAP-
CC Rule:MF_03209};
CC -!- PATHWAY: Lipid metabolism. {ECO:0000256|ARBA:ARBA00005189}.
CC -!- PATHWAY: Phospholipid metabolism; phosphatidylethanolamine
CC biosynthesis; phosphatidylethanolamine from CDP-diacylglycerol: step
CC 2/2. {ECO:0000256|HAMAP-Rule:MF_03209}.
CC -!- SUBUNIT: Heterodimer of a large membrane-associated beta subunit and a
CC small pyruvoyl-containing alpha subunit. Interacts with pstB2. This
CC interaction may be a means to structurally tether the donor membrane
CC (ER) harboring PstB2 to acceptor membranes (Golgi/endosomes) harboring
CC PSD2 during PtdSer transport to the site of PtdEtn synthesis.
CC {ECO:0000256|HAMAP-Rule:MF_03209}.
CC -!- SUBCELLULAR LOCATION: Golgi apparatus membrane {ECO:0000256|HAMAP-
CC Rule:MF_03209}; Peripheral membrane protein {ECO:0000256|HAMAP-
CC Rule:MF_03209}; Cytoplasmic side {ECO:0000256|HAMAP-Rule:MF_03209}.
CC Endosome membrane {ECO:0000256|HAMAP-Rule:MF_03209}; Peripheral
CC membrane protein {ECO:0000256|HAMAP-Rule:MF_03209}; Cytoplasmic side
CC {ECO:0000256|HAMAP-Rule:MF_03209}.
CC -!- DOMAIN: The C2 domains have an essential, but non-catalytic function.
CC They may facilitate interactions with other proteins and are required
CC for lipid transport function. {ECO:0000256|HAMAP-Rule:MF_03209}.
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:0000256|HAMAP-Rule:MF_03209}.
CC -!- SIMILARITY: Belongs to the phosphatidylserine decarboxylase family.
CC PSD-B subfamily. Eukaryotic type II sub-subfamily. {ECO:0000256|HAMAP-
CC Rule:MF_03209}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:KLJ06130.1}.
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DR EMBL; LDEV01003291; KLJ06130.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A0H1B414; -.
DR STRING; 2060906.A0A0H1B414; -.
DR OrthoDB; 51217at2759; -.
DR UniPathway; UPA00558; UER00616.
DR Proteomes; UP000053573; Unassembled WGS sequence.
DR GO; GO:0010008; C:endosome membrane; IEA:UniProtKB-SubCell.
DR GO; GO:0000139; C:Golgi membrane; IEA:UniProtKB-SubCell.
DR GO; GO:0005795; C:Golgi stack; IEA:UniProtKB-UniRule.
DR GO; GO:0005509; F:calcium ion binding; IEA:InterPro.
DR GO; GO:0004609; F:phosphatidylserine decarboxylase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0006646; P:phosphatidylethanolamine biosynthetic process; IEA:UniProtKB-UniRule.
DR GO; GO:0016540; P:protein autoprocessing; IEA:UniProtKB-UniRule.
DR CDD; cd04039; C2_PSD; 1.
DR CDD; cd04024; C2A_Synaptotagmin-like; 1.
DR Gene3D; 2.60.40.150; C2 domain; 2.
DR Gene3D; 1.10.238.10; EF-hand; 1.
DR HAMAP; MF_00663; PS_decarb_PSD_B_type2; 1.
DR InterPro; IPR000008; C2_dom.
DR InterPro; IPR035892; C2_domain_sf.
DR InterPro; IPR011992; EF-hand-dom_pair.
DR InterPro; IPR002048; EF_hand_dom.
DR InterPro; IPR003817; PS_Dcarbxylase.
DR InterPro; IPR033177; PSD-B.
DR InterPro; IPR033179; PSD_type2_pro.
DR NCBIfam; TIGR00163; PS_decarb; 1.
DR PANTHER; PTHR10067; PHOSPHATIDYLSERINE DECARBOXYLASE; 1.
DR PANTHER; PTHR10067:SF17; PHOSPHATIDYLSERINE DECARBOXYLASE PROENZYME 2; 1.
DR Pfam; PF00168; C2; 2.
DR Pfam; PF02666; PS_Dcarbxylase; 1.
DR SMART; SM00239; C2; 2.
DR SUPFAM; SSF49562; C2 domain (Calcium/lipid-binding domain, CaLB); 2.
DR SUPFAM; SSF47473; EF-hand; 1.
DR PROSITE; PS50004; C2; 2.
DR PROSITE; PS50222; EF_HAND_2; 1.
PE 3: Inferred from homology;
KW Decarboxylase {ECO:0000256|ARBA:ARBA00022793, ECO:0000256|HAMAP-
KW Rule:MF_03209}; Endosome {ECO:0000256|HAMAP-Rule:MF_03209};
KW Golgi apparatus {ECO:0000256|HAMAP-Rule:MF_03209};
KW Lipid biosynthesis {ECO:0000256|ARBA:ARBA00022516, ECO:0000256|HAMAP-
KW Rule:MF_03209};
KW Lipid metabolism {ECO:0000256|ARBA:ARBA00023098, ECO:0000256|HAMAP-
KW Rule:MF_03209};
KW Lyase {ECO:0000256|ARBA:ARBA00023239, ECO:0000256|HAMAP-Rule:MF_03209};
KW Membrane {ECO:0000256|ARBA:ARBA00023136, ECO:0000256|HAMAP-Rule:MF_03209};
KW Phospholipid biosynthesis {ECO:0000256|ARBA:ARBA00023209,
KW ECO:0000256|HAMAP-Rule:MF_03209};
KW Phospholipid metabolism {ECO:0000256|ARBA:ARBA00023264, ECO:0000256|HAMAP-
KW Rule:MF_03209};
KW Pyruvate {ECO:0000256|ARBA:ARBA00023317, ECO:0000256|HAMAP-Rule:MF_03209};
KW Reference proteome {ECO:0000313|Proteomes:UP000053573};
KW Zymogen {ECO:0000256|ARBA:ARBA00023145, ECO:0000256|HAMAP-Rule:MF_03209}.
FT CHAIN 1..993
FT /note="Phosphatidylserine decarboxylase 2 beta chain"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03209"
FT /id="PRO_5023297801"
FT CHAIN 994..1071
FT /note="Phosphatidylserine decarboxylase 2 alpha chain"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03209"
FT /id="PRO_5023297800"
FT DOMAIN 23..140
FT /note="C2"
FT /evidence="ECO:0000259|PROSITE:PS50004"
FT DOMAIN 240..362
FT /note="C2"
FT /evidence="ECO:0000259|PROSITE:PS50004"
FT DOMAIN 495..530
FT /note="EF-hand"
FT /evidence="ECO:0000259|PROSITE:PS50222"
FT REGION 1..37
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT REGION 195..222
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT REGION 364..452
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT REGION 579..650
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT REGION 1032..1054
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 9..31
FT /note="Polar residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 195..212
FT /note="Acidic residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 378..445
FT /note="Polar residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 591..621
FT /note="Polar residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 623..650
FT /note="Basic and acidic residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 1036..1054
FT /note="Basic and acidic residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT ACT_SITE 849
FT /note="Charge relay system; for autoendoproteolytic
FT cleavage activity"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03209"
FT ACT_SITE 907
FT /note="Charge relay system; for autoendoproteolytic
FT cleavage activity"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03209"
FT ACT_SITE 994
FT /note="Charge relay system; for autoendoproteolytic
FT cleavage activity"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03209"
FT ACT_SITE 994
FT /note="Schiff-base intermediate with substrate; via pyruvic
FT acid; for decarboxylase activity"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03209"
FT SITE 993..994
FT /note="Cleavage (non-hydrolytic); by autocatalysis"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03209"
FT MOD_RES 994
FT /note="Pyruvic acid (Ser); by autocatalysis"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03209"
SQ SEQUENCE 1071 AA; 118983 MW; 037F24899A8B9E8E CRC64;
MVRISLTRRV GSHMSTKSNA MPSSGDLSPA LTPSGPDTKP LILKATVISG RNLAPKDRNG
LSDPYLVVSL GEARQSTPTI SKTLNPEWNV CFDLPILGVP LLECICWDKD RFGKDYMGEF
DIPLEDIFSA GTIQPQPQWY TLHSGRKAGK KRGDVSGEIQ MQFTLFDPTN PSAEPPEILQ
RFKALVSSDD EDEIVPVISP DTDDLEKEDE TTDGTDDPTK PDVVEKRRRK LRLARLKRKS
IAARAYEFSG SKDGVSGIVF MEIVKILDLP PERNMTRTSF DMDPFVVTSL GKKTLRTRVI
RHNLNPVFEE KMVFQVMKHE QSYSISFTVI DRDKLSGNDF VASSSFPLQT LALAAPVADL
ETGLYNLPGP PSESSPTPPA TKSRFRLNLS RSSSATSLTK LTKPTLRTKS SATSLSSQSG
QEQQSTTPPN VPSETSSQLN LPTSGSMVEE PEVPADEYGL KTYIIPLVLK NKERWEDKHF
PELHVKAKYM PYPALRQQFW RAMLKQYDAD DSARISKVEL TTMLDTLGST LKESTIDGFF
KRFATENEPS ETVDLTFDQA VICLEDTLQS LQKKSLGDKM GDHIPLHSGK ESPESANQSS
SEDNVPGISL TLASNTDPER PAVPTISRDE RSSSGDSEYN LHPDDLGEDG GEEHVVEVRE
CPICHQPRLG KRSDADIITH IATCVSQDWR QVDNLVMGGF VTSSQAQRKW YSKVITKISY
GGYKLGANSA NILVQDRITG QINEERMSVY VRLGIRLLYR GLKSREMEKK RIRKMLKSLS
IKQGKKYDDP ASAAQIVPFI NFHQLDMSEV LLPLNEFKSF NEFFYRALKP GARPCSAPNN
PKIVVSPADC RSVVYDRMDE ATKIWVKGRE FSVERLLGKA YPEDAKRYKN GALGIFRLAP
QDYHRFHIPV DGVMGTPKTI EGEYYTVNPM AIRSALDVYG ENVRIIVPID SVEHGRVMVI
CVGAMMVGST VITAKGGQKV ARGDELGYFK FGGSTLLVLF EPGKVAFDSD LVGNSLGALE
TLVRVGMSIG HHPDEPQYTP DMRKSEESIT AQDRAEAMRR IEGSLNAPSD E
//