Preferred Label : PttHB1 protein, populus tremula; 
MeSH note : PttHB1 and PttHB2 are expressed in the xylem maturation zone and differentiating xylem
               and phloem cells, respectively; isolated from the aspen Populus tremula; amino acid
               sequence in first source; GenBank AJ010810 (PttHB1) and AJ010811 (PttHB2); 
CISMeF synonym : PttHB2 protein, populus tremula; 
Is substance : O; 
         
         
            Origin ID : C116739; 
UMLS CUI : C1308884; 
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