Adenylate Cyclase 5 Protein is an important component in the neurobiology of neurodegenerative diseases. This page provides detailed information about its structure, function, and role in disease processes.
Overview
Adenylate Cyclase 5 Protein is an important protein/gene involved in various neurological processes. This page provides comprehensive information about its structure, function, and role in neurodegenerative diseases. [@additional]
Adenylate Cyclase 5 (AC5), also known as ADCY5, is a G protein-regulated adenylyl cyclase isoform highly expressed in the striatum. It is a major effector of dopamine D1 receptor signaling and plays critical roles in motor control and reward processing. [@research]
Structure
AC5 is a ~1220 amino acid membrane protein: [@adenylate]
12 Transmembrane Helices: Six TMD pairs
Cytosolic C1a and C2a Catalytic Domains: Form the catalytic core
Adenylate Cyclase 5 Protein is an important component in the neurobiology of neurodegenerative diseases. This page provides detailed information about its structure, function, and role in disease processes.
Overview
Adenylate Cyclase 5 Protein is an important protein/gene involved in various neurological processes. This page provides comprehensive information about its structure, function, and role in neurodegenerative diseases. [@additional]
Adenylate Cyclase 5 (AC5), also known as ADCY5, is a G protein-regulated adenylyl cyclase isoform highly expressed in the striatum. It is a major effector of dopamine D1 receptor signaling and plays critical roles in motor control and reward processing. [@research]
Structure
AC5 is a ~1220 amino acid membrane protein: [@adenylate]
12 Transmembrane Helices: Six TMD pairs
Cytosolic C1a and C2a Catalytic Domains: Form the catalytic core
Nucleotide Binding Sites: For ATP
Alternative Names: AC5, ADCY5
Function
G Protein Regulation
Activated by Gs alpha subunits
Inhibited by Gi alpha subunits
Primary effector of D1 receptor signaling
Dopamine Signaling
Major AC isoform in striatum
Mediates D1 receptor effects on motor control
Generates cAMP in response to dopamine
Motor Control
Critical for basal ganglia circuit function
Modulates indirect and direct pathway activity
Dyskinesia when overactive
Disease Associations
Familial Dyskinesia with Facial Myokymia
ADCY5 gain-of-function mutations cause disease
Choreiform movements, facial myokymia
Childhood onset
Parkinson's Disease
Altered AC5 in substantia nigra
Contributes to motor dysfunction
Therapeutic target consideration
Huntington's Disease
Altered striatal cAMP signaling
Medium spiny neuron dysfunction
Therapeutic Targeting
Key Publications
PMID: 22238120(https://pubmed.ncbi.nlm.nih.gov/22238120/) - ADCY5 mutations cause dyskinesia
PMID: 25849638(https://pubmed.ncbi.nlm.nih.gov/25849638/) - ADCY5 in PD
Expression Pattern
ADCY5 expression pattern:
Highest expression in striatum
Present in [hippocampus](/brain-regions/hippocampus) and [cortex](/brain-regions/cortex)
Detected in substantia nigra
Expressed in dopaminergic [neurons](/entities/neurons)
Regulation
ADCY5 is regulated by:
Gs protein coupling
Dopamine D1 receptor activation
Forskolin stimulation
PKA phosphorylation
Disease Associations
ADCY5 mutations cause:
ADCY5-related dyskinesia
Familial dyskinesia with facial myokymia
Neurodevelopmental disorders
Research Directions
Dopamine signaling in basal ganglia
Motor control mechanisms
Therapeutic targeting in PD
Understanding cAMP dynamics in neurons
Background
The study of Adenylate Cyclase 5 Protein has evolved significantly over the past decades. Research in this area has revealed important insights into the underlying mechanisms of neurodegeneration and continues to drive therapeutic development.
Historical context and key discoveries in this field have shaped our current understanding and will continue to guide future research directions.