2831
NH2 -terminal amino acid sequence analysis identified the 140-kDa surface antigen for mAb J393 as CD43/leukosialin , the major sialoglycoprotein of leukocytes .
 protein: 140-kDa surface antigen; protein: amino acid sequence; protein: mAb J393; cell type: leukocytes; protein: NH2; protein: CD43/leukosialin; protein: sialoglycoprotein
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
 Entities: 140-kDa surface antigen, amino acid sequence, mAb J393, leukocytes, NH2, CD43/leukosialin, sialoglycoprotein 
Answer:
 protein: 140-kDa surface antigen; protein: amino acid sequence; protein: mAb J393; cell type: leukocytes; protein: NH2; protein: CD43/leukosialin; protein: sialoglycoprotein