Structure of PDB 4axa Chain A

Receptor sequence

>4axaA (length=337) Species: 9913 (Bos taurus) [Search protein sequence]

SVKEFLAKAKEDFLKKWENPAQNTAHLDQFERIKTLGTGSFGRVMLVKHM
ETGNHYAMKILDKQKVVKLKQIEHTLNEKRILQAVNFPFLTKLEFSFKDN
SNLYMVMEYAPGGEMFSHLRRIGRFSEPHARFYAAQIVLTFEYLHSLDLI
YRDLKPENLMIDQQGYIKVTDFGFAKRVKGRTWTLCGTPEYLAPEIILSK
GYNKAVDWWALGVLIYEMAAGYPPFFADQPIQIYEKIVSGKVRFPSHFSS
DLKDLLRNLLQVDLTKRFGNLKNGVNDIKNHKWFATTDWIAIYQRKVEAP
FIPKFKGPGDTSNFDDYEEEEIRVSINEKCGKEFSEF

3D structure

PDB

4axa At13148 is a Novel, Oral Multi-Agc Kinase Inhibitor with Potent Pharmacodynamic and Antitumor Activity.

Chain

Resolution

1.9 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 E170 N171 D184 T201
Catalytic site (residue number reindexed from 1)	D153 K155 E157 N158 D171 T188
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	Q84 E127 F129 R133 E170 F187 L198 G200 E203 E230 Y235 F239 D241 I246 D328 Y330	Q71 E114 F116 R120 E157 F174 L185 G187 E190 E217 Y222 F226 D228 I233 D315 Y317
BS02	RKD	A	G50 T51 G55 R56 V57 A70 K72 E121 Y122 E127 E170 N171 M173 T183 D184	G37 T38 G42 R43 V44 A57 K59 E108 Y109 E114 E157 N158 M160 T170 D171	PDBbind-CN: -logKd/Ki=8.00,IC50<10nM

Gene Ontology

	Molecular Function
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:0005515	protein binding
GO:0005524	ATP binding
GO:0019904	protein domain specific binding
GO:0034237	protein kinase A regulatory subunit binding
GO:0106310	protein serine kinase activity

	Biological Process
GO:0001707	mesoderm formation
GO:0006468	protein phosphorylation
GO:0010737	protein kinase A signaling
GO:0016310	phosphorylation
GO:0018105	peptidyl-serine phosphorylation
GO:0034605	cellular response to heat
GO:1904262	negative regulation of TORC1 signaling

	Cellular Component
GO:0001669	acrosomal vesicle
GO:0005634	nucleus
GO:0005737	cytoplasm
GO:0005739	mitochondrion
GO:0005829	cytosol
GO:0005886	plasma membrane
GO:0005952	cAMP-dependent protein kinase complex
GO:0031594	neuromuscular junction
GO:0036126	sperm flagellum
GO:0048471	perinuclear region of cytoplasm

View graph for
Molecular Function

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Biological Process

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Cellular Component

External links

PDB	RCSB:4axa, PDBe:4axa, PDBj:4axa
PDBsum	4axa
PubMed	22781553
UniProt	P00517\|KAPCA_BOVIN cAMP-dependent protein kinase catalytic subunit alpha (Gene Name=PRKACA)

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