>1w2s_B mol:protein length:142 COMPLEMENT RECEPTOR TYPE 2 PRECURSOR,EAEAISCGSPPPILNGRISYYSTPIAVGTVIRYSCSGTFRLIGEKSLLCITKDKVDGTWDKPAPKCQYFNKYSSCPEPIVPGGYKIRGSTPYRHGDSVTFACKTNFSMNGNKSVWCQANNMWGPTRLPTCVSVFPLEQKLIS