MG1655
W3110
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Gene Report : chbB
PEC Original Annotations
Essentiality
     Class non-essential
     References (PMID)
Escherichia coli and Salmonella, Cellular and Molecular Biology Second Edition. ASM Press. 1996
Neidhart, F.C.
     Deletion OCL85 (D)  
Related gene (W3110 PEC)
     Gene Search Search MG1655 PEC by gene name:  chbB
Related strains
     Strains Search Search strains by gene name:  chbB   Search strains by all related name:  chbB b1738 celA ECK1736 JW1727

General information  (Go to Linear View:)
 Gene Name chbB  
 Alternative name b1738,celA,ECK1736,JW1727  
 Location, Length 1,819,323 - 1,819,643 (  -  ) ;   39.21 min ; 321 (bp) ,   106 (aa) Go to Linear View
 Product N,N'-diacetylchitobiose-specific enzyme IIB component of PTS  
 Operon Name chbBCARFG  
 Note PTS family enzyme IIB, cellobiose/arbutin/salicin sugar-specific; GO_process: GO:0016052 - carbohydrate catabolic process  
 Function enzyme; Transport of small molecules: Carbohydrates, organic acids, alcohols  
 Gene Ontology GO:0005351 ; sugar:hydrogen ion symporter activity ( chbB )
GO:0005737 ; cytoplasm ( chbB )
GO:0006810 ; transport ( chbB )
GO:0008643 ; carbohydrate transport ( chbB )
GO:0008982 ; protein-N(PI)-phosphohistidine-sugar phosphotransferase activity ( chbB )
GO:0009401 ; phosphoenolpyruvate-dependent sugar phosphotransferase system ( chbB )
GO:0016740 ; transferase activity ( chbB )
 PID 1788034  
 EC number
  (KEGG Pathway)   		2.7.1.69  
SWISS-PROT  ( Show details )
  botton Entry name(Acc.no) PTCB_ECOLI ( P17409 )
    -  Protein name PTS system, N,N'-diacetylchitobiose-specific IIB component  
    -  Synonyms EIIB-Chb, N,N'-diacetylchitobiose-permease IIB component, Phosphotransferase enzyme II, B component, EC 2.7.1.69  
    -  Gene name OrderedLocusNames=b1738, c2137, z2768, ECs2444;  

 Linear View (Whole Mode)
View Location
   1810.0  –  1835.0 (KBP)

Homology Analysis
BLAST
    Bacteria
         GTOP chbB (  homologous genes of other bacterias  )  
    PDB     (database updated : 2007.02.20 )
         PSI-BLAST Chain A, Crystal Structure Of Iibcellobiose From Escherichia Coli  
    SWISS-PROT     (database updated : 2007.02.20 )
         BLAST N,N'-diacetylchitobiose-specific phosphotransferase enzyme IIB component (PTS system N,N'-diacetylchitobiose-specific EIIB component)  
         PSI-BLAST PTS system lactose-specific EIICB component
    nr     (database updated : 2007.02.20 )
         BLAST PTS system, lactose/cellobiose family IIB subunit [Escherichia coli B]  
Pfam 28.0   (database updated : 2015-05 )
    Pfam
PROSITE
    PROSITE MYRISTYL     

Other Cross-Reference
    COG COG1440G 
    EcoCyc chbB 

MMBR References
Proc Natl Acad Sci U S A. 1997;94:14367-14371
Wild-type Escherichia coli grows on the chitin disaccharide, N,N'-diacetylchitobiose, by expressing the cel operon.
Keyhani, N. O., and S. Roseman.
Genetics 1990;124:455-471
Characterization and nucleotide sequence of the cryptic cel operon of E. coli K12.
Parker, L. L., and B. G. Hall.

Sequences
Amino acid
FASTA format 
0001 MEKKHIYLFC SAGMSTSLLV SKMRAQAEKY EVPVIIEAFP ETLAGEKGQN ADVVLLGPQI AYMLPEIQRL 
0071 LPNKPVEVID SLLYGKVDGL GVLKAAVAAI KKAAAN
Nucleotide
FASTA format

View sequence out neighbor 100bp 
-100                                             aaaaaagtca tgttggtttc gcaagttacc 
-070 cagagcatgg aagcaggtta aggcttgcgg agtgtctggc tgacagataa tcgtcgatga gggcagtttt 
0001 atggaaaaga aacacattta tctgttttgt tctgcgggca tgtctacctc tttactggta tcaaaaatgc 
0071 gcgcacaggc agaaaaatat gaagttccgg tcattattga agcatttccg gaaacactgg ctggtgaaaa 
0141 aggtcagaat gccgatgtcg tgttattagg gccgcagatt gcttatatgt tgcccgaaat ccagcgtttg 
0211 ttacccaaca aaccggttga agtaattgac tcgctgcttt atggcaaagt cgatggttta ggcgtgctta 
0281 aggctgcggt tgcagcgatt aaaaaagccg cagcaaatta atttatttta aattttcccg tcaaagagtt 
0351 atttcataaa tcaataccgc aatatttaaa ttgcggtttt taagggtatt tttctatgag taatgttatt 
0421 g