ID   SPLB_STAA9              Reviewed;         240 AA.
AC   A5ITX7;
DT   20-JAN-2009, integrated into UniProtKB/Swiss-Prot.
DT   20-JAN-2009, sequence version 2.
DT   03-AUG-2022, entry version 69.
DE   RecName: Full=Serine protease SplB;
DE            EC=3.4.21.-;
DE   Flags: Precursor;
GN   Name=splB; OrderedLocusNames=SaurJH9_1863;
OS   Staphylococcus aureus (strain JH9).
OC   Bacteria; Firmicutes; Bacilli; Bacillales; Staphylococcaceae;
OC   Staphylococcus.
OX   NCBI_TaxID=359786;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=JH9;
RG   US DOE Joint Genome Institute;
RA   Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C.,
RA   Glavina del Rio T., Hammon N., Israni S., Pitluck S., Chain P.,
RA   Malfatti S., Shin M., Vergez L., Schmutz J., Larimer F., Land M.,
RA   Hauser L., Kyrpides N., Kim E., Tomasz A., Richardson P.;
RT   "Complete sequence of chromosome of Staphylococcus aureus subsp. aureus
RT   JH9.";
RL   Submitted (MAY-2007) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: Serine protease that cleaves specifically after the sequence
CC       Trp-Glu-Leu-Gln. {ECO:0000250}.
CC   -!- SUBCELLULAR LOCATION: Secreted {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the peptidase S1B family. {ECO:0000305}.
CC   -!- SEQUENCE CAUTION:
CC       Sequence=ABQ49650.1; Type=Erroneous initiation; Evidence={ECO:0000305};
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DR   EMBL; CP000703; ABQ49650.1; ALT_INIT; Genomic_DNA.
DR   RefSeq; WP_001039454.1; NC_009487.1.
DR   AlphaFoldDB; A5ITX7; -.
DR   SMR; A5ITX7; -.
DR   MEROPS; S01.282; -.
DR   KEGG; saj:SaurJH9_1863; -.
DR   HOGENOM; CLU_073589_2_0_9; -.
DR   GO; GO:0005576; C:extracellular region; IEA:UniProtKB-SubCell.
DR   GO; GO:0004252; F:serine-type endopeptidase activity; IEA:InterPro.
DR   GO; GO:0006508; P:proteolysis; IEA:UniProtKB-KW.
DR   Gene3D; 2.40.10.10; -; 2.
DR   InterPro; IPR009003; Peptidase_S1_PA.
DR   InterPro; IPR043504; Peptidase_S1_PA_chymotrypsin.
DR   InterPro; IPR008256; Peptidase_S1B.
DR   InterPro; IPR008353; Peptidase_S1B_tx.
DR   InterPro; IPR001254; Trypsin_dom.
DR   InterPro; IPR028301; V8_his_AS.
DR   Pfam; PF00089; Trypsin; 1.
DR   PRINTS; PR01774; EXFOLTOXIN.
DR   PRINTS; PR00839; V8PROTEASE.
DR   SUPFAM; SSF50494; SSF50494; 1.
DR   PROSITE; PS00672; V8_HIS; 1.
PE   3: Inferred from homology;
KW   Hydrolase; Protease; Secreted; Serine protease; Signal.
FT   SIGNAL          1..36
FT                   /evidence="ECO:0000250"
FT   CHAIN           37..240
FT                   /note="Serine protease SplB"
FT                   /id="PRO_0000359541"
FT   ACT_SITE        75
FT                   /note="Charge relay system"
FT                   /evidence="ECO:0000250|UniProtKB:Q2FXC3"
FT   ACT_SITE        113
FT                   /note="Charge relay system"
FT                   /evidence="ECO:0000250|UniProtKB:Q2FXC3"
FT   ACT_SITE        193
FT                   /note="Charge relay system"
FT                   /evidence="ECO:0000250|UniProtKB:Q2FXC3"
SQ   SEQUENCE   240 AA;  26141 MW;  45EF0B5A51E06DA7 CRC64;
     MNKNVVIKSL ATLTILTSVT GIGTTLVEEV QQTAKAENNV TKIQDTNIFP YTGVVAFKSA
     TGFVVGKNTI LTNKHVSKNY KVGDRITAHP NSDKGNGGIY SIKKIINYPG KEDVSVIQVE
     ERAIERGPKG FNFNDNVTPF KYAAGAKAGE RIKVIGYPHP YKNKYVLYES TGPVMSVEGS
     SIVYSAHTES GNSGSPVLNS NNELVGIHFA SDVKNDDNRN AYGVYFTPEI KKFIAENIDK