circ (400,290) 4 /dbget-bin/www_bget?C00039 C00039 (DNA) circ (400,189) 4 /dbget-bin/www_bget?C00039 C00039 (DNA) circ (128,238) 4 /dbget-bin/www_bget?C03438 C03438 (beta-Lactam antibiotics) rect (292,282) (338,299) /dbget-bin/www_bget?xcb:XC_0045 XC_0045 rect (463,181) (509,198) /dbget-bin/www_bget?xcb:XC_1119+xcb:XC_1235+xcb:XC_1481 XC_1119, XC_1235, XC_1481 rect (41,107) (210,142) /kegg-bin/show_pathway?xcb00311 xcb00311: Penicillin and cephalosporin biosynthesis rect (40,45) (237,70) /dbget-bin/www_bget?xcb00312 xcb00312: beta-Lactam resistance