ID D5VFN8_CAUST Unreviewed; 257 AA.
AC D5VFN8;
DT 13-JUL-2010, integrated into UniProtKB/TrEMBL.
DT 13-JUL-2010, sequence version 1.
DT 27-MAR-2024, entry version 73.
DE RecName: Full=Signal peptidase I {ECO:0000256|ARBA:ARBA00019232, ECO:0000256|RuleBase:RU362042};
DE EC=3.4.21.89 {ECO:0000256|ARBA:ARBA00013208, ECO:0000256|RuleBase:RU362042};
GN OrderedLocusNames=Cseg_1271 {ECO:0000313|EMBL:ADG09770.1};
OS Caulobacter segnis (strain ATCC 21756 / DSM 7131 / JCM 7823 / NBRC 15250 /
OS LMG 17158 / TK0059) (Mycoplana segnis).
OC Bacteria; Pseudomonadota; Alphaproteobacteria; Caulobacterales;
OC Caulobacteraceae; Caulobacter.
OX NCBI_TaxID=509190 {ECO:0000313|EMBL:ADG09770.1, ECO:0000313|Proteomes:UP000002629};
RN [1] {ECO:0000313|Proteomes:UP000002629}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 21756 / DSM 7131 / JCM 7823 / NBRC 15250 / LMG 17158 /
RC TK0059 {ECO:0000313|Proteomes:UP000002629};
RX PubMed=21705585; DOI=10.1128/JB.05453-11;
RG US DOE Joint Genome Institute;
RA Brown P.J., Kysela D.T., Buechlein A., Hemmerich C., Brun Y.V.;
RT "Genome sequences of eight morphologically diverse alphaproteobacteria.";
RL J. Bacteriol. 193:4567-4568(2011).
CC -!- CATALYTIC ACTIVITY:
CC Reaction=Cleavage of hydrophobic, N-terminal signal or leader sequences
CC from secreted and periplasmic proteins.; EC=3.4.21.89;
CC Evidence={ECO:0000256|ARBA:ARBA00000677,
CC ECO:0000256|RuleBase:RU362042};
CC -!- SUBCELLULAR LOCATION: Membrane {ECO:0000256|RuleBase:RU362042}; Single-
CC pass type II membrane protein {ECO:0000256|RuleBase:RU362042}.
CC -!- SIMILARITY: Belongs to the peptidase S26 family.
CC {ECO:0000256|ARBA:ARBA00009370, ECO:0000256|RuleBase:RU362042}.
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DR EMBL; CP002008; ADG09770.1; -; Genomic_DNA.
DR RefSeq; WP_013078437.1; NC_014100.1.
DR AlphaFoldDB; D5VFN8; -.
DR STRING; 509190.Cseg_1271; -.
DR MEROPS; S26.001; -.
DR KEGG; cse:Cseg_1271; -.
DR eggNOG; COG0681; Bacteria.
DR HOGENOM; CLU_028723_1_2_5; -.
DR Proteomes; UP000002629; Chromosome.
DR GO; GO:0016020; C:membrane; IEA:UniProtKB-SubCell.
DR GO; GO:0004252; F:serine-type endopeptidase activity; IEA:UniProtKB-EC.
DR GO; GO:0006465; P:signal peptide processing; IEA:InterPro.
DR CDD; cd06530; S26_SPase_I; 1.
DR Gene3D; 2.10.109.10; Umud Fragment, subunit A; 1.
DR InterPro; IPR036286; LexA/Signal_pep-like_sf.
DR InterPro; IPR000223; Pept_S26A_signal_pept_1.
DR InterPro; IPR019758; Pept_S26A_signal_pept_1_CS.
DR InterPro; IPR019757; Pept_S26A_signal_pept_1_Lys-AS.
DR InterPro; IPR019533; Peptidase_S26.
DR NCBIfam; TIGR02227; sigpep_I_bact; 1.
DR PANTHER; PTHR43390:SF1; CHLOROPLAST PROCESSING PEPTIDASE; 1.
DR PANTHER; PTHR43390; SIGNAL PEPTIDASE I; 1.
DR Pfam; PF10502; Peptidase_S26; 1.
DR PRINTS; PR00727; LEADERPTASE.
DR SUPFAM; SSF51306; LexA/Signal peptidase; 1.
DR PROSITE; PS00760; SPASE_I_2; 1.
DR PROSITE; PS00761; SPASE_I_3; 1.
PE 3: Inferred from homology;
KW Hydrolase {ECO:0000256|RuleBase:RU362042, ECO:0000313|EMBL:ADG09770.1};
KW Membrane {ECO:0000256|RuleBase:RU362042};
KW Protease {ECO:0000256|RuleBase:RU362042};
KW Transmembrane {ECO:0000256|RuleBase:RU362042};
KW Transmembrane helix {ECO:0000256|RuleBase:RU362042}.
FT TRANSMEM 24..43
FT /note="Helical"
FT /evidence="ECO:0000256|RuleBase:RU362042"
FT DOMAIN 22..229
FT /note="Peptidase S26"
FT /evidence="ECO:0000259|Pfam:PF10502"
FT ACT_SITE 52
FT /evidence="ECO:0000256|PIRSR:PIRSR600223-1"
FT ACT_SITE 113
FT /evidence="ECO:0000256|PIRSR:PIRSR600223-1"
SQ SEQUENCE 257 AA; 28448 MW; 2EF7DFC4215C1B0B CRC64;
MTDTLASPSP SSASRSAKSE VAELIRTVVA GLAIALAFRV VLFQPFTIPS SSMEPGLVVG
DYIIVSKFAY GWSRASLPFN PPLPAGRVLG RAPKRGDVVV FRLPRDPSQT WIKRVIGLPG
DRIQVRGGQV LVNDTPLSQT PMTIVQDHDD PYRQVLEVRE RQPDGRSYVT YDGGTGQAGD
DTDIYVVPEG RYFMMGDNRD NSLDSRWPRE LGVGLLPAEN IVGKAELVLT SWKPAAAAYK
PWTWLNLQWD RFIQPIR
//
