LSPA_TREPA
ID LSPA_TREPA Reviewed; 186 AA.
AC O83943;
DT 30-MAY-2000, integrated into UniProtKB/Swiss-Prot.
DT 29-MAY-2007, sequence version 2.
DT 03-AUG-2022, entry version 132.
DE RecName: Full=Lipoprotein signal peptidase {ECO:0000255|HAMAP-Rule:MF_00161};
DE EC=3.4.23.36 {ECO:0000255|HAMAP-Rule:MF_00161};
DE AltName: Full=Prolipoprotein signal peptidase {ECO:0000255|HAMAP-Rule:MF_00161};
DE AltName: Full=Signal peptidase II {ECO:0000255|HAMAP-Rule:MF_00161};
DE Short=SPase II {ECO:0000255|HAMAP-Rule:MF_00161};
GN Name=lspA {ECO:0000255|HAMAP-Rule:MF_00161}; Synonyms=lsp;
GN OrderedLocusNames=TP_0978;
OS Treponema pallidum (strain Nichols).
OC Bacteria; Spirochaetes; Spirochaetales; Treponemataceae; Treponema.
OX NCBI_TaxID=243276;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Nichols;
RX PubMed=9665876; DOI=10.1126/science.281.5375.375;
RA Fraser C.M., Norris S.J., Weinstock G.M., White O., Sutton G.G.,
RA Dodson R.J., Gwinn M.L., Hickey E.K., Clayton R.A., Ketchum K.A.,
RA Sodergren E., Hardham J.M., McLeod M.P., Salzberg S.L., Peterson J.D.,
RA Khalak H.G., Richardson D.L., Howell J.K., Chidambaram M., Utterback T.R.,
RA McDonald L.A., Artiach P., Bowman C., Cotton M.D., Fujii C., Garland S.A.,
RA Hatch B., Horst K., Roberts K.M., Sandusky M., Weidman J.F., Smith H.O.,
RA Venter J.C.;
RT "Complete genome sequence of Treponema pallidum, the syphilis spirochete.";
RL Science 281:375-388(1998).
CC -!- FUNCTION: This protein specifically catalyzes the removal of signal
CC peptides from prolipoproteins. {ECO:0000255|HAMAP-Rule:MF_00161}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=Release of signal peptides from bacterial membrane
CC prolipoproteins. Hydrolyzes -Xaa-Yaa-Zaa-|-(S,diacylglyceryl)Cys-, in
CC which Xaa is hydrophobic (preferably Leu), and Yaa (Ala or Ser) and
CC Zaa (Gly or Ala) have small, neutral side chains.; EC=3.4.23.36;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_00161};
CC -!- PATHWAY: Protein modification; lipoprotein biosynthesis (signal peptide
CC cleavage). {ECO:0000255|HAMAP-Rule:MF_00161}.
CC -!- SUBCELLULAR LOCATION: Cell inner membrane {ECO:0000255|HAMAP-
CC Rule:MF_00161}; Multi-pass membrane protein {ECO:0000255|HAMAP-
CC Rule:MF_00161}.
CC -!- SIMILARITY: Belongs to the peptidase A8 family. {ECO:0000255|HAMAP-
CC Rule:MF_00161, ECO:0000305}.
CC -!- SEQUENCE CAUTION:
CC Sequence=AAC65933.1; Type=Erroneous initiation; Evidence={ECO:0000305};
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DR EMBL; AE000520; AAC65933.1; ALT_INIT; Genomic_DNA.
DR PIR; H71257; H71257.
DR AlphaFoldDB; O83943; -.
DR SMR; O83943; -.
DR IntAct; O83943; 7.
DR STRING; 243276.TPANIC_0978; -.
DR EnsemblBacteria; AAC65933; AAC65933; TP_0978.
DR KEGG; tpa:TP_0978; -.
DR eggNOG; COG0597; Bacteria.
DR HOGENOM; CLU_083252_3_1_12; -.
DR OMA; NRWYFPA; -.
DR UniPathway; UPA00665; -.
DR Proteomes; UP000000811; Chromosome.
DR GO; GO:0016021; C:integral component of membrane; IEA:UniProtKB-KW.
DR GO; GO:0005886; C:plasma membrane; IEA:UniProtKB-SubCell.
DR GO; GO:0004190; F:aspartic-type endopeptidase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0006508; P:proteolysis; IEA:UniProtKB-KW.
DR HAMAP; MF_00161; LspA; 1.
DR InterPro; IPR001872; Peptidase_A8.
DR PANTHER; PTHR33695; PTHR33695; 1.
DR Pfam; PF01252; Peptidase_A8; 1.
DR PRINTS; PR00781; LIPOSIGPTASE.
DR TIGRFAMs; TIGR00077; lspA; 1.
DR PROSITE; PS00855; SPASE_II; 1.
PE 3: Inferred from homology;
KW Aspartyl protease; Cell inner membrane; Cell membrane; Hydrolase; Membrane;
KW Protease; Reference proteome; Transmembrane; Transmembrane helix.
FT CHAIN 1..186
FT /note="Lipoprotein signal peptidase"
FT /id="PRO_0000178829"
FT TRANSMEM 11..31
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00161"
FT TRANSMEM 44..64
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00161"
FT TRANSMEM 70..90
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00161"
FT TRANSMEM 145..165
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00161"
FT ACT_SITE 128
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00161"
FT ACT_SITE 150
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00161"
SQ SEQUENCE 186 AA; 20596 MW; 39CC9B7FE8A8618E CRC64;
MKLTRIQKEK WIPLFAAGLV VVLDQCAKLL VGAYVPTNTS GVRVLGDFVR IVHVYNVGAA
FSIGHQLNQV LRTLVLGIVP LIIMFLIVFS YFRTDAFCPV QRWAVSGIIG GGIGNLIDRF
LRPNGVLDFI DVKFFGIFGF ERWPAFNIAD AVIMTCGLLL IISFIKQEKE ISSQPSCNET
GGVFRT
