COMPLEX OF GS-ALPHA WITH THE CATALYTIC DOMAINS OF MAMMALIAN ADENYLYL CYCLASE: COMPLEX WITH MANT-ITP AND MN 3G82 LYASE/LYASE INHIBITOR, ADENYLYL CYCLASE, MANT-ITP, ALTERNATIVE SPLICING, CAMP BIOSYNTHESIS, GLYCOPROTEIN, LYASE, MAGNESIUM, MEMBRANE, METAL-BINDING, PHOSPHOPROTEIN, TRANSMEMBRANE, CELL MEMBRANE, GTP-BINDING, LIPOPROTEIN, NUCLEOTIDE-BINDING, PALMITATE, TRANSDUCER, LYASE-LYASE INHIBITOR COMPLEX