Structure of PDB 3exh Chain A

Receptor sequence
>3exhA (length=359) Species: 9606 (Homo sapiens) [Search protein sequence]
MFANDATFEIKKCDLHRLEEGPPVTTVLTREDGLKYYRMMQTVRRMELKA
DQLYKQKIIRGFCHLCDGQEACCVGLEAGINPTDHLITAYRAHGFTFTRG
LSVREILAELTGRKGGCAKGKGGSMHMYAKNFYGGNGIVGAQVPLGAGIA
LACKYNGKDEVCLTLYGDGAANQGQIFEAYNMAALWKLPCIFICENNRYG
MGERAAASTDYYKRGDFIPGLRVDGMDILCVREATRFAAAYCRSGKGPIL
MELQTYRYHGHSMSDPGVAYRTREEIQEVRSKSDPIMLLKDRMVNSNLAS
VEELKEIDVEVRKEIEDAAQFATADPEPPLEELGYHIYSSDPPFEVRGAN
QWIKFKSVS
3D structure
PDB3exh Structural basis for inactivation of the human pyruvate dehydrogenase complex by phosphorylation: role of disordered phosphorylation loops.
ChainA
Resolution2.444 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) Q51 G136 R259 H263 S264 Y272
Catalytic site (residue number reindexed from 1) Q52 G137 R257 H261 S262 Y270
Enzyme Commision number 1.2.4.1: pyruvate dehydrogenase (acetyl-transferring).
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 MN A D167 N196 Y198 G199 D168 N197 Y199 G200
BS02 TPP A Y89 R90 V138 G166 D167 G168 N196 Y198 G199 R259 Y90 R91 V139 G167 D168 G169 N197 Y199 G200 R257 PDBbind-CN: -logKd/Ki=4.88,Kd=13.1uM
Gene Ontology
Molecular Function
GO:0004738 pyruvate dehydrogenase activity
GO:0004739 pyruvate dehydrogenase (acetyl-transferring) activity
GO:0005515 protein binding
GO:0016491 oxidoreductase activity
GO:0016624 oxidoreductase activity, acting on the aldehyde or oxo group of donors, disulfide as acceptor
GO:0034604 pyruvate dehydrogenase (NAD+) activity
GO:0046872 metal ion binding
Biological Process
GO:0006006 glucose metabolic process
GO:0006086 acetyl-CoA biosynthetic process from pyruvate
GO:0006090 pyruvate metabolic process
GO:0006099 tricarboxylic acid cycle
Cellular Component
GO:0005634 nucleus
GO:0005730 nucleolus
GO:0005739 mitochondrion
GO:0005759 mitochondrial matrix
GO:0043231 intracellular membrane-bounded organelle
GO:0045254 pyruvate dehydrogenase complex
GO:1902494 catalytic complex

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:3exh, PDBe:3exh, PDBj:3exh
PDBsum3exh
PubMed19081061
UniProtP08559|ODPA_HUMAN Pyruvate dehydrogenase E1 component subunit alpha, somatic form, mitochondrial (Gene Name=PDHA1)

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