PIPB2_SALPA
ID PIPB2_SALPA Reviewed; 350 AA.
AC Q5PEX4;
DT 20-FEB-2007, integrated into UniProtKB/Swiss-Prot.
DT 04-JAN-2005, sequence version 1.
DT 25-MAY-2022, entry version 72.
DE RecName: Full=Secreted effector protein PipB2;
DE AltName: Full=Type III effector PipB2;
GN Name=pipB2; OrderedLocusNames=SPA2636;
OS Salmonella paratyphi A (strain ATCC 9150 / SARB42).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC Enterobacteriaceae; Salmonella.
OX NCBI_TaxID=295319;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 9150 / SARB42;
RX PubMed=15531882; DOI=10.1038/ng1470;
RA McClelland M., Sanderson K.E., Clifton S.W., Latreille P., Porwollik S.,
RA Sabo A., Meyer R., Bieri T., Ozersky P., McLellan M., Harkins C.R.,
RA Wang C., Nguyen C., Berghoff A., Elliott G., Kohlberg S., Strong C., Du F.,
RA Carter J., Kremizki C., Layman D., Leonard S., Sun H., Fulton L., Nash W.,
RA Miner T., Minx P., Delehaunty K., Fronick C., Magrini V., Nhan M.,
RA Warren W., Florea L., Spieth J., Wilson R.K.;
RT "Comparison of genome degradation in Paratyphi A and Typhi, human-
RT restricted serovars of Salmonella enterica that cause typhoid.";
RL Nat. Genet. 36:1268-1274(2004).
CC -!- FUNCTION: Effector proteins function to alter host cell physiology and
CC promote bacterial survival in host tissues. Involved in the
CC reorganization of late endosome/lysosome (LE/Lys) compartments in
CC mammalian cells. Necessary and sufficient to link kinesin-1 onto the
CC Salmonella-containing vacuole (SCV) membrane. Required for centrifugal
CC extension of lysosomal glycoprotein-rich membrane tubules, known as
CC Salmonella-induced filaments (Sifs), away from the SCV and toward the
CC cell periphery. Required for virulence, but not for intracellular
CC survival and replication in phagocytic cells (By similarity).
CC {ECO:0000250}.
CC -!- SUBUNIT: Interacts with the host kinesin light chain (KLC), a subunit
CC of the kinesin-1 motor complex. {ECO:0000250}.
CC -!- SUBCELLULAR LOCATION: Secreted {ECO:0000250}. Host membrane
CC {ECO:0000250}. Note=Secreted via the type III secretion system 2 (SPI-2
CC TTSS), and delivered into the host cell. {ECO:0000250}.
CC -!- DOMAIN: Contains various tandem pentapeptide repeats in the C-terminal
CC region. The pentapeptide motif is required to efficiently recruit
CC kinesin-1. No position is completely conserved in these repeats, whose
CC consensus sequence is A-[DN]-[FLM]-X-X. The C-terminal 38 amino acid
CC residues, specifically, the C-terminal motif LFNEF, are required for
CC peripheral localization of PipB2 and redistribution of lysosomal-
CC associated membrane protein (LAMP). The N-terminal 225 amino acid
CC residues are sufficient for type III translocation and association with
CC Sifs and SCVs, but not accumulation in peripheral vesicles (By
CC similarity). {ECO:0000250}.
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DR EMBL; CP000026; AAV78500.1; -; Genomic_DNA.
DR RefSeq; WP_011233153.1; NC_006511.1.
DR AlphaFoldDB; Q5PEX4; -.
DR BMRB; Q5PEX4; -.
DR SMR; Q5PEX4; -.
DR EnsemblBacteria; AAV78500; AAV78500; SPA2636.
DR KEGG; spt:SPA2636; -.
DR HOGENOM; CLU_067808_0_0_6; -.
DR OMA; ADCDGAN; -.
DR Proteomes; UP000008185; Chromosome.
DR GO; GO:0005576; C:extracellular region; IEA:UniProtKB-SubCell.
DR GO; GO:0033644; C:host cell membrane; IEA:UniProtKB-SubCell.
DR GO; GO:0016020; C:membrane; IEA:UniProtKB-KW.
DR InterPro; IPR001646; 5peptide_repeat.
DR Pfam; PF00805; Pentapeptide; 3.
PE 3: Inferred from homology;
KW Host membrane; Membrane; Repeat; Secreted; Virulence.
FT CHAIN 1..350
FT /note="Secreted effector protein PipB2"
FT /id="PRO_0000278297"
FT DOMAIN 162..201
FT /note="Pentapeptide repeat 1"
FT DOMAIN 202..241
FT /note="Pentapeptide repeat 2"
FT DOMAIN 247..286
FT /note="Pentapeptide repeat 3"
FT DOMAIN 287..326
FT /note="Pentapeptide repeat 4"
SQ SEQUENCE 350 AA; 37308 MW; 9C9E6CE13007CC79 CRC64;
MQRSLDSLAG MATSAFGAGT SAAMRQATSP KTILEYIINF FTCGGIRRRN ETQYQELIET
MAETLKSTMP DRGAPLPENI ILDDMDGCRV EFNLPGENNE AGQVIVRVSK GDHSETREIP
LVSFEKICRA LLFRCEFSLP QDSVILTAQG GMNLKGAVLT GANLTAENLC DADLSGANLE
GAVLFMADCE GANFKGANLS GTSLGDSNFK NACLEDGIMC GATLDHANLT GANLQHASLL
GCSMIECNCS GANMDHTNLS GATLIRADMS GATLQGATIM AAIMEDAVLT RANLRKASFI
STNLDGADLA EANLNNTCFK DCTLTHLRTE DATMSTSTQT LFNEFYSENI