*Source: E Coli or Yeast or Baculovirus or Mammalian Cell; *Purity: >90%; *Tag Information: His tagged; *Notes: Repeated freezing and thawing is not recommended. Store working aliquots at 4 degree C for up to one week.; *Seq: MERGTASGGA SLLKEFHPVQ TLQQVENYTA LSERASEYLL AVIRSKPNAV ICLATGATPL LTYHYLVEKI HQQQVDVSQL TFVKLDEWVD LPLTMPGTCE TFLQQHIVQP LGLREDQLIS FRSEEINETE CERVTNLIAR KGGLDLCVLG LGKNGHLGLN EPGESLQPAC HISQLDARTQ QHEMLKTAGR PVTRGITLGL KDILNAREVL LLVTGEGKQD ATDRFLTAKV STAIPASFLW LHSNFICLIN T; *Accession#: NP_417610.1; NC_000913.3; P42912; *NCBI Summary: Unlike other Escherichia coli strains, K-12 is unable to grow on N-acetylgalactosamine as a source of carbon and energy. [More information is available at EcoCyc: G7636].