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1.B.1.5.3
Major outer membrane protein IB (OMB) (slightly cation-selective porin)

Accession Number:P30692
Protein Name:OMB aka POR
Length:357
Molecular Weight:38817.00
Species:Neisseria sicca [490]
Number of TMSs:1
Location1 / Topology2 / Orientation3: Cell outer membrane1 / Multi-pass membrane protein2
Substrate cations

Cross database links:

Pfam: PF00267   

Gene Ontology

GO:0009279 C:cell outer membrane
GO:0005886 C:plasma membrane
GO:0046930 C:pore complex
GO:0005215 F:transporter activity
GO:0006811 P:ion transport

References (1)

[1] “Sequence analysis and relationships between meningococcal class 3 serotype proteins and other porins from pathogenic and non-pathogenic Neisseria species.”  Ward M.J.et.al.   1330818

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)
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FASTA formatted sequence
1:	MKKSLIALTL AALPVAAMAD VTLYGQVKAG VEVSRTKETV NHVSTKNKTA TEIADFGSRI 
61:	GFKGHEHLSN NLNAIWQVEQ NTSVAGTDKG WGTRESFIGL EGGFGKVRAG KLNTALKDNS 
121:	DSVDPWESSD ANASVLQFGK LKRVDERKVS VRYDSPVFAG FSASAQYQPR DNANPEDKHV 
181:	HDVKTRHSFD LGLNYENSGF FGRYAGTFAK RKVLSDDHLE LFNSNTTLGS GVYKDYQAHR 
241:	LVGGYDANNV LVSVAGQYEG FKADVADAKK NERTEVAVTG GYRMGNVMPR LSYAHGFKAK 
301:	ENGVKQGNSQ YNQVIVGADY DFSKRTSALV SAGWLKEGKG GDKTQSTAGL VGLRHKF