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1.B.42.1.1
LPS-export porin (organic solvent tolerance protein, OstA)

Accession Number:Q9K187
Protein Name:OstA
Length:802
Molecular Weight:88693.00
Species:Neisseria meningitidis [491]
Location1 / Topology2 / Orientation3: Cell outer membrane1
Substrate LPS

Cross database links:

HEGENOM: HBG701380
RefSeq: NP_273336.1   
Entrez Gene ID: 902391   
Pfam: PF03968    PF04453   
BioCyc: NMEN122586:NMB_0280-MONOMER   
KEGG: nme:NMB0280   

Gene Ontology

GO:0009279 C:cell outer membrane
GO:0005886 C:plasma membrane
GO:0043165 P:Gram-negative-bacterium-type cell outer mem...
GO:0010033 P:response to organic substance

References (3)

[1] “Complete genome sequence of Neisseria meningitidis serogroup B strain MC58.”  Tettelin H.et.al.   10710307
[2] “Identification of an outer membrane protein required for the transport of lipopolysaccharide to the bacterial cell surface.”  Bos M.P.et.al.   15192148
[3] “Characterization of the protein content of a meningococcal outer membrane vesicle vaccine by polyacrylamide gel electrophoresis and mass spectrometry.”  Vipond C.et.al.   17038831

External Searches:

  • Search: DB with
  • BLAST ExPASy (Swiss Institute of Bioinformatics (SIB) BLAST)
  • CDD Search (Conserved Domain Database)
  • Search COGs (Clusters of Orthologous Groups of proteins)
  • 2° Structure (Network Protein Sequence Analysis)

Analyze:

Predict TMSs (Predict number of transmembrane segments)
Window Size: Angle:  
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FASTA formatted sequence
1:	MARLFSLKPL VLALGLCFGT HCAAADAVAA EETDNPTAGE SVRSVSEPIQ PTSLSLGSTC 
61:	LFCSNESGSP ERTEAAVQGS GEASIPEDYT RIVADRMEGQ SQVQVRAEGN VVVERNRTTL 
121:	NTDWADYDQS GDTVTAGDRF ALQQDGTLIR GETLTYNLEQ QTGEAHNVRM EIEQGGRRLQ 
181:	SVSRTAEMLG EGHYKLTETQ FNTCSAGDAG WYVKAASVEA DREKGIGVAK HAAFVFGGVP 
241:	IFYTPWADFP LDGNRKSGLL VPSLSAGSDG VSLSVPYYFN LAPNLDATFA PSVIGERGAV 
301:	FDGQVRYLRP DYAGQSDLTW LPHDKKSGRN NRYQAKWQHR HDISDTLQAG VDFNQVSDSG 
361:	YYRDFYGNKE IAGNVNLNRR VWLDYGGRAA GGSLNAGLSV LKYQTLANQS GYKDKPYALM 
421:	PRLSVEWRKN TGRAQIGVSA QFTRFSHDSR QDGSRLVVYP DIKWDFSNSW GYVRPKLGLH 
481:	ATYYSLNRFG SQEARRVSRT LPIVNIDSGA TFERNTRMFG GEVLQTLEPR LFYNYIPAKS 
541:	QNDLPNFDSS ESSFGYGQLF RENLYYGNDR INTANSLSAA VQSRILDGAT GEERFRAGIG 
601:	QKFYFKDDAV MLDGSVGKKP RNRSDWVAFA SGSIGSRFIL DSSIHYNQND KRAENYAVGA 
661:	SYRPAQGKVL NARYKYGRNE KIYLKSDGSY FYDKLSQLDL SAQWPLTRNL SAVVRYNYGF 
721:	EAKKPIEVLA GAEYKSSCGC WGAGVYAQRY VTGENTYKNA VFFSLQLKDL SSVGRNPADR 
781:	MDVAVPGYIT AHSLSAGRNK RP