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ykfB

Gene
ykfB
Protein
L-Ala-D/L-Glu epimerase
Organism
Bacillus subtilis (strain 168)
Length
366 amino acids
Function
Catalyzes the epimerization of L-Ala-D-Glu to L-Ala-L-Glu and has probably a role in the metabolism of the murein peptide, of which L-Ala-D-Glu is a component. Is also able to catalyze the reverse reaction and the epimerization of the other Ala-X dipeptides L-Ala-L-Asp, L-Ala-L-Leu, L-Ala-L-Met, and L-Ala-L-Ser. Is not able to epimerize other L-Ala-X dipeptides. Is also active with L-Ser-L-Glu and, oddly, L-Pro-L-Glu, but not with L-Glu-L-Glu, L-Lys-L-Glu, L-Lys-L-Ala, or D-Ala-D-Ala.
Similarity
Belongs to the mandelate racemase/muconate lactonizing enzyme family.
Mass
39.473 kDa
Sequence
MKIIRIETSRIAVPLTKPFKTALRTVYTAESVIVRITYDSGAVGWGEAPPTLVITGDSMDSIESAIHHVLKPALLGKSLAGYEAILHDIQHLLTGNMSAKAAVEMALYDGWAQMCGLPLYQMLGGYRDTLETDYTVSVNSPEEMAADAENYLKQGFQTLKIKVGKDDIATDIARIQEIRKRVGSAVKLRLDANQGWRPKEAVTAIRKMEDAGLGIELVEQPVHKDDLAGLKKVTDATDTPIMADESVFTPRQAFEVLQTRSADLINIKLMKAGGISGAEKINAMAEACGVECMVGSMIETKLGITAAAHFAASKRNITRFDFDAPLMLKTDVFNGGITYSGSTISMPGKPGLGIIGAALLKGEKEQ

Gene
ykfB
Protein
Uncharacterized protein YkfB
Organism
Escherichia coli (strain K12)
Length
155 amino acids
Similarity
To E.coli YfjT.
Mass
17.026 kDa
Sequence
MTILSLSRFMLAGVLLASFNASAIPGFWQQGYGQGNTEYSVTEASGKTFTINCTGNPDQNGFYQHSVFLTLADDKMVSSHDDDTTITVVMDHQQYIIPSSLGWRNGDNAWFDFISNISEAGQFDVYVNDHKAGTFTADRKNAEKVLSTLGDCSND