Structure of PDB 6e21 Chain A

Receptor sequence

>6e21A (length=336) Species: 10090 (Mus musculus) [Search protein sequence]

VKEFLAKAKEDFLKKWETPSQNTAQLDQFDRIKTLGTGSFGRVMLVKHKE
SGNHYAMKILDKQKVVKLKQIEHTLNEKRILQAVNFPFLVKLEFSFKDNS
NLYMVMEYVAGGEMFSHLRRIGRFSEPHARFYAAQIVLTFEYLHSLDLIY
RDLKPENLLIDQQGYIQVTDFGFAKRVKGRTWTLCGTPEYLAPEIILSKG
YNKAVDWWALGVLIYEMAAGYPPFFADQPIQIYEKIVSGKVRFPSHFSSD
LKDLLRNLLQVDLTKRFGNLKNGVNDIKNHKWFATTDWIAIYQRKVEAPF
IPKFKGPGDTSNFDDYEEEEIRVSINEKCGKEFTEF

3D structure

PDB

6e21 Zooming in on protons: Neutron structure of protein kinase A trapped in a product complex.

Chain

Resolution

2.0 Å

3D
structure

Catalytic site residues are labeled in the structure
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Enzymatic activity

Catalytic site (original residue number in PDB)	D166 K168 N171 D184 T201
Catalytic site (residue number reindexed from 1)	D152 K154 N157 D170 T187
Enzyme Commision number	2.7.11.11: cAMP-dependent protein kinase.

Interaction with ligand

Site #	Ligand	Ligand chain	Binding residues on receptor (original residue number in PDB)	Binding residues on receptor (residue number reindexed from 1)	Binding affinity
BS01	peptide	A	S53 E127 F129 R133 K168 P169 E170 F187 L198 C199 G200 T201 P202 E203 L205 E230 Y235 P236 F239 D241 I246 Y330	S39 E113 F115 R119 K154 P155 E156 F173 L184 C185 G186 T187 P188 E189 L191 E216 Y221 P222 F225 D227 I232 Y316
BS02	ADP	A	L49 G50 G52 V57 A70 K72 V104 M120 E121 Y122 V123 E127 E170 L173 D184 F327	L35 G36 G38 V43 A56 K58 V90 M106 E107 Y108 V109 E113 E156 L159 D170 F313

Gene Ontology

	Molecular Function
GO:0000287	magnesium ion binding
GO:0004672	protein kinase activity
GO:0004674	protein serine/threonine kinase activity
GO:0004679	AMP-activated protein kinase activity
GO:0004691	cAMP-dependent protein kinase activity
GO:0004712	protein serine/threonine/tyrosine kinase activity
GO:0005515	protein binding
GO:0005524	ATP binding
GO:0019901	protein kinase binding
GO:0019904	protein domain specific binding
GO:0030145	manganese ion binding
GO:0031625	ubiquitin protein ligase binding
GO:0034237	protein kinase A regulatory subunit binding
GO:0106310	protein serine kinase activity

	Biological Process
GO:0000122	negative regulation of transcription by RNA polymerase II
GO:0001707	mesoderm formation
GO:0001843	neural tube closure
GO:0006397	mRNA processing
GO:0006468	protein phosphorylation
GO:0006611	protein export from nucleus
GO:0007189	adenylate cyclase-activating G protein-coupled receptor signaling pathway
GO:0007193	adenylate cyclase-inhibiting G protein-coupled receptor signaling pathway
GO:0016310	phosphorylation
GO:0018105	peptidyl-serine phosphorylation
GO:0032024	positive regulation of insulin secretion
GO:0034605	cellular response to heat
GO:0045542	positive regulation of cholesterol biosynthetic process
GO:0045667	regulation of osteoblast differentiation
GO:0045722	positive regulation of gluconeogenesis
GO:0045879	negative regulation of smoothened signaling pathway
GO:0046827	positive regulation of protein export from nucleus
GO:0048240	sperm capacitation
GO:0050804	modulation of chemical synaptic transmission
GO:0051726	regulation of cell cycle
GO:0061136	regulation of proteasomal protein catabolic process
GO:0070417	cellular response to cold
GO:0070613	regulation of protein processing
GO:0071333	cellular response to glucose stimulus
GO:0071374	cellular response to parathyroid hormone stimulus
GO:0071377	cellular response to glucagon stimulus
GO:0099170	postsynaptic modulation of chemical synaptic transmission
GO:0141156	cAMP/PKA signal transduction
GO:1904262	negative regulation of TORC1 signaling
GO:1904539	negative regulation of glycolytic process through fructose-6-phosphate
GO:1990044	protein localization to lipid droplet
GO:2000810	regulation of bicellular tight junction assembly

	Cellular Component
GO:0001669	acrosomal vesicle
GO:0005634	nucleus
GO:0005654	nucleoplasm
GO:0005737	cytoplasm
GO:0005739	mitochondrion
GO:0005813	centrosome
GO:0005829	cytosol
GO:0005886	plasma membrane
GO:0005930	axoneme
GO:0005952	cAMP-dependent protein kinase complex
GO:0016607	nuclear speck
GO:0031410	cytoplasmic vesicle
GO:0031514	motile cilium
GO:0031594	neuromuscular junction
GO:0036126	sperm flagellum
GO:0044853	plasma membrane raft
GO:0048471	perinuclear region of cytoplasm
GO:0097546	ciliary base
GO:0098794	postsynapse
GO:0098978	glutamatergic synapse

View graph for
Molecular Function

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Biological Process

View graph for
Cellular Component

External links

PDB	RCSB:6e21, PDBe:6e21, PDBj:6e21
PDBsum	6e21
PubMed	30906862
UniProt	P05132\|KAPCA_MOUSE cAMP-dependent protein kinase catalytic subunit alpha (Gene Name=Prkaca)

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