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References Suggestions


Standard Name


Gene Synonym(s)

ECK2127, b2134, JW5355, yohB[1], yohB

Product Desc.

penicillin-binding protein 7[2][3]

Penicillin-binding proteins PBP7 and PBP8; murein meso-DAP-alanine DD endopeptidase, periplasmic; uniquely binds beta-lactam penems, lysing non-growing cells; mutant has biofilm defect[4]

Product Synonyms(s)

D-alanyl-D-alanine endopeptidase[1], B2134[2][1], YohB[2][1], PbpG[2][1] , ECK2127, JW5355, yohB, b2134

Function from GO

<GO_nr />

Knock-Out Phenotype

transcription unit(s): pbpG[2]

Quick Links

porteco.png EcoCyc.gif regulondb.jpg

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PBP8 is an artifactual OmpT-cleaved proteolytic degradation product of PBP7. PBP7 and PBP8 are also referred to as PBP8a and PBP8b. Earlier conventions had the PBP7 amd PBP8 names reversed.[4]


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  1. 1.0 1.1 1.2 1.3 1.4 Riley, M. et al. (2006) Nucleic Acids Res 34:1-6 (corrected supplemental data from B. Wanner)
  2. 2.0 2.1 2.2 2.3 2.4 EcoCyc (release 10.6; 2007) Keseler, IM et al. (2005) Nucleic Acids Res. 33(Database issue):D334-7
  3. EcoCyc (release 11.1; 2007) Keseler, IM et al. (2005) Nucleic Acids Res. 33(Database issue):D334-7
  4. 4.0 4.1 EcoGene: Rudd, KE (2000) EcoGene: a genome sequence database for Escherichia coli K-12. Nucleic Acids Res 28:60-4.