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1.C.1.3.2
Colicin B.  Its structural stability and interactions have been studied (Ortega et al. 2001).

Accession Number:P05819
Protein Name:CEAB aka CBA
Length:511
Molecular Weight:54863.00
Species:Escherichia coli [562]
Number of TMSs:3
Location1 / Topology2 / Orientation3: Cell membrane1 / Multi-pass membrane protein2
Substrate ions

Cross database links:

Pfam: PF03515    PF01024   

Gene Ontology

GO:0005727 C:extrachromosomal circular DNA
GO:0016021 C:integral to membrane
GO:0005886 C:plasma membrane
GO:0004519 F:endonuclease activity
GO:0003676 F:nucleic acid binding
GO:0005102 F:receptor binding
GO:0019835 P:cytolysis
GO:0050829 P:defense response to Gram-negative bacterium
GO:0009405 P:pathogenesis

References (1)

[1] “Nucleotide sequence of the colicin B activity gene cba: consensus pentapeptide among TonB-dependent colicins and receptors.”  Schramm E.et.al.   2439491
Structure:
1RH1     

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:	MSDNEGSVPT EGIDYGDTMV VWPSTGRIPG GDVKPGGSSG LAPSMPPGWG DYSPQGIALV 
61:	QSVLFPGIIR RIILDKELEE GDWSGWSVSV HSPWGNEKVS AARTVLENGL RGGLPEPSRP 
121:	AAVSFARLEP ASGNEQKIIR LMVTQQLEQV TDIPASQLPA AGNNVPVKYR LTDLMQNGTQ 
181:	YMAIIGGIPM TVPVVDAVPV PDRSRPGTNI KDVYSAPVSP NLPDLVLSVG QMNTPVRSNP 
241:	EIQEDGVISE TGNYVEAGYT MSSNNHDVIV RFPEGSGVSP LYISAVEILD SNSLSQRQEA 
301:	ENNAKDDFRV KKEQENDEKT VLTKTSEVII SVGDKVGEYL GDKYKALSRE IAENINNFQG 
361:	KTIRSYDDAM SSINKLMANP SLKINATDKE AIVNAWKAFN AEDMGNKFAA LGKTFKAADY 
421:	AIKANNIREK SIEGYQTGNW GPLMLEVESW VISGMASAVA LSLFSLTLGS ALIAFGLSAT 
481:	VVGFVGVVIA GAIGAFIDDK FVDELNHKII K