ID Q81CX0_BACCR Unreviewed; 176 AA.
AC Q81CX0;
DT 01-JUN-2003, integrated into UniProtKB/TrEMBL.
DT 01-JUN-2003, sequence version 1.
DT 27-MAR-2024, entry version 131.
DE RecName: Full=Signal peptidase I {ECO:0000256|ARBA:ARBA00013208, ECO:0000256|RuleBase:RU362042};
DE EC=3.4.21.89 {ECO:0000256|ARBA:ARBA00013208, ECO:0000256|RuleBase:RU362042};
GN OrderedLocusNames=BC_2621 {ECO:0000313|EMBL:AAP09580.1};
OS Bacillus cereus (strain ATCC 14579 / DSM 31 / CCUG 7414 / JCM 2152 / NBRC
OS 15305 / NCIMB 9373 / NCTC 2599 / NRRL B-3711).
OC Bacteria; Bacillota; Bacilli; Bacillales; Bacillaceae; Bacillus;
OC Bacillus cereus group.
OX NCBI_TaxID=226900 {ECO:0000313|EMBL:AAP09580.1, ECO:0000313|Proteomes:UP000001417};
RN [1] {ECO:0000313|EMBL:AAP09580.1, ECO:0000313|Proteomes:UP000001417}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 14579 / DSM 31 / CCUG 7414 / JCM 2152 / NBRC 15305 / NCIMB
RC 9373 / NCTC 2599 / NRRL B-3711 {ECO:0000313|Proteomes:UP000001417};
RX PubMed=12721630; DOI=10.1038/nature01582;
RA Ivanova N., Sorokin A., Anderson I., Galleron N., Candelon B., Kapatral V.,
RA Bhattacharyya A., Reznik G., Mikhailova N., Lapidus A., Chu L., Mazur M.,
RA Goltsman E., Larsen N., D'Souza M., Walunas T., Grechkin Y., Pusch G.,
RA Haselkorn R., Fonstein M., Ehrlich S.D., Overbeek R., Kyrpides N.;
RT "Genome sequence of Bacillus cereus and comparative analysis with Bacillus
RT anthracis.";
RL Nature 423:87-91(2003).
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: Cell membrane {ECO:0000256|ARBA:ARBA00004401};
CC Single-pass type II membrane protein {ECO:0000256|ARBA:ARBA00004401}.
CC Membrane {ECO:0000256|ARBA:ARBA00004606,
CC ECO:0000256|RuleBase:RU362042}; Single-pass type II membrane protein
CC {ECO:0000256|ARBA:ARBA00004606, 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; AE016877; AAP09580.1; -; Genomic_DNA.
DR RefSeq; NP_832379.1; NC_004722.1.
DR RefSeq; WP_000765190.1; NZ_CP034551.1.
DR AlphaFoldDB; Q81CX0; -.
DR KEGG; bce:BC2621; -.
DR PATRIC; fig|226900.8.peg.2666; -.
DR HOGENOM; CLU_028723_5_0_9; -.
DR OrthoDB; 9802919at2; -.
DR Proteomes; UP000001417; Chromosome.
DR GO; GO:0005886; C:plasma membrane; IEA:UniProtKB-SubCell.
DR GO; GO:0004252; F:serine-type endopeptidase activity; IBA:GO_Central.
DR GO; GO:0006465; P:signal peptide processing; IBA:GO_Central.
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; IPR019756; Pept_S26A_signal_pept_1_Ser-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; PS00501; SPASE_I_1; 1.
DR PROSITE; PS00761; SPASE_I_3; 1.
PE 3: Inferred from homology;
KW Hydrolase {ECO:0000256|RuleBase:RU362042, ECO:0000313|EMBL:AAP09580.1};
KW Membrane {ECO:0000256|RuleBase:RU362042};
KW Protease {ECO:0000256|ARBA:ARBA00022670, ECO:0000256|RuleBase:RU362042};
KW Reference proteome {ECO:0000313|Proteomes:UP000001417};
KW Transmembrane {ECO:0000256|RuleBase:RU362042};
KW Transmembrane helix {ECO:0000256|RuleBase:RU362042}.
FT TRANSMEM 12..31
FT /note="Helical"
FT /evidence="ECO:0000256|RuleBase:RU362042"
FT DOMAIN 12..167
FT /note="Peptidase S26"
FT /evidence="ECO:0000259|Pfam:PF10502"
FT ACT_SITE 38
FT /evidence="ECO:0000256|PIRSR:PIRSR600223-1"
FT ACT_SITE 80
FT /evidence="ECO:0000256|PIRSR:PIRSR600223-1"
SQ SEQUENCE 176 AA; 20596 MW; E6D4A06626D14742 CRC64;
MKLFILKYWR NICGYIFIII GVIFINKSFL FCMVEGISMQ PTLNEKDYIL VNKVNVCLSS
FHHGDVVIIK KEDAPTYYVK RIIGLSGDNI QLKEDEVFIN GKKRDESYIH LDMSQVSNRF
SNFREIKVPT HKLFVLGDNR NHSKDSRNTL GLIDESNIIG KVEMVFYPFD HIKWIK
//
