Structure of PDB 2zkj Chain B

Receptor sequence
>2zkjB (length=359) Species: 9606 (Homo sapiens) [Search protein sequence]
VPREVEHFSRYSPSPLSMKQLLDFGSCERTSFAFLRQELPVRLANILKEI
DILPTQLVNTSSVQLVKSWYIQSLMDLVEFHEKSPDDQKALSDFVDTLIK
VRNRHHNVVPTMAQGIIEYKDACTPVTNQNLQYFLDRFYMNRISTRMLMN
QHILIFSDSQTGNPSHIGSIDPNCDVVAVVQDAFECSRMLCDQYYLSSPE
LKLTQVNGKFPDQPIHIVYVPSHLHHMLFELFKNAMRATVEHQENQPSLT
PIEVIVVLGKEDLTIKISDRGGGVPLRIIDRLFSYTYSTAPTPVMAPLAG
FGYGLPISRLYAKYFQGDLNLYSLSGYGTDAIIYLKALSSESIEKLPVFN
KSAFKHYDW
3D structure
PDB2zkj Pyruvate Dehydrogenase Kinase-4 Structures Reveal a Metastable Open Conformation Fostering Robust Core-free Basal Activity
ChainB
Resolution2.0 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) H250 E254 K257 N258
Catalytic site (residue number reindexed from 1) H226 E230 K233 N234
Enzyme Commision number 2.7.11.2: [pyruvate dehydrogenase (acetyl-transferring)] 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 ADP B N258 R261 A262 V298 L306 S312 T313 A328 G329 G331 G333 L334 N234 R237 A238 V274 L282 S288 T289 A299 G300 G302 G304 L305 MOAD: Kd=3.3uM
Gene Ontology
Molecular Function
GO:0004672 protein kinase activity
GO:0004740 pyruvate dehydrogenase (acetyl-transferring) kinase activity
GO:0005515 protein binding
GO:0005524 ATP binding
GO:0016301 kinase activity
Biological Process
GO:0006885 regulation of pH
GO:0008286 insulin receptor signaling pathway
GO:0009267 cellular response to starvation
GO:0010510 regulation of acetyl-CoA biosynthetic process from pyruvate
GO:0010565 regulation of cellular ketone metabolic process
GO:0010906 regulation of glucose metabolic process
GO:0016310 phosphorylation
GO:0042304 regulation of fatty acid biosynthetic process
GO:0042593 glucose homeostasis
GO:0042594 response to starvation
GO:0045124 regulation of bone resorption
GO:0046320 regulation of fatty acid oxidation
GO:0071398 cellular response to fatty acid
GO:0072593 reactive oxygen species metabolic process
GO:2000811 negative regulation of anoikis
Cellular Component
GO:0005739 mitochondrion
GO:0005759 mitochondrial matrix

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:2zkj, PDBe:2zkj, PDBj:2zkj
PDBsum2zkj
PubMed18658136
UniProtQ16654|PDK4_HUMAN [Pyruvate dehydrogenase (acetyl-transferring)] kinase isozyme 4, mitochondrial (Gene Name=PDK4)

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