Alternatively, {HEAD ~ the invention} provides {TAIL ~ an enriched or isolated HME1} polypeptide having an amino acid sequence designated as SEQ ID NO:2, or a sequential subset thereof at least 6 amino acids in length 
provides
Alternatively , { HEAD ~ the invention } provides { TAIL ~ an enriched or isolated HME1 } polypeptide having an amino acid sequence designated as SEQ ID NO:2 , or a sequential subset thereof at least 6 amino acids in length
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