First Author | Premont RT | Year | 1992 |
Journal | Proc Natl Acad Sci U S A | Volume | 89 |
Issue | 20 | Pages | 9809-13 |
PubMed ID | 1409703 | Mgi Jnum | J:46603 |
Mgi Id | MGI:1201472 | Doi | 10.1073/pnas.89.20.9809 |
Citation | Premont RT, et al. (1992) Two members of a widely expressed subfamily of hormone-stimulated adenylyl cyclases. Proc Natl Acad Sci U S A 89(20):9809-13 |
abstractText | cDNA encoding a hormone- and guanine nucleotide-stimulated adenylyl cyclase [ATP pyrophosphate-lyase (cyclizing), EC 4.6.1.1] (type 6) from rat liver and kidney has been cloned and expressed. This enzyme is stimulated by forskolin, guanosine 5'-[gamma-thio]triphosphate, and isoproterenol plus GTP but is not stimulated by beta gamma subunits of guanine nucleotide-binding proteins. A second form (type 5), which is 75% similar to type 6, has also been cloned. Both types 5 and 6 cDNAs have multiple messages. PCR-based detection of the mRNA for the type 5 and 6 enzymes indicates that both are widely distributed. Homology analyses indicate at least four distinct subfamilies of guanine nucleotide stimulatory protein-regulated adenylyl cyclases. Types 5 and 6 enzymes define one distinct subfamily of mammalian adenylyl cyclases. Diversity of one guanine nucleotide-binding protein-regulated effector may allow different modes of regulation of cell-surface signal transmission. |