Function and Biology

Crystal structure of branched-chain alpha-ketoacid dehydrogenase kinase/S-alpha-chloroisocaproate complex

Source organism: Rattus norvegicus

EC 2.7.11.4: [3-methyl-2-oxobutanoate dehydrogenase (acetyl-transferring)] kinase

Reaction catalysed:
ATP + [3-methyl-2-oxobutanoate dehydrogenase (acetyl-transferring)] = ADP + [3-methyl-2-oxobutanoate dehydrogenase (acetyl-transferring)] phosphate
Systematic name:
ATP:[3-methyl-2-oxobutanoate dehydrogenase (acetyl-transferring)] phosphotransferase
Alternative Name(s):
  • BCK
  • BCKD kinase
  • BCODH kinase
  • Branched-chain 2-oxo acid dehydrogenase kinase
  • Branched-chain alpha-ketoacid dehydrogenase kinase
  • Branched-chain keto acid dehydrogenase kinase
  • Branched-chain oxo acid dehydrogenase kinase (phosphorylating)
  • STK2

EC 2.7.11.1: Non-specific serine/threonine protein kinase

Reaction catalysed:
ATP + a protein = ADP + a phosphoprotein
Systematic name:
ATP:protein phosphotransferase (non-specific)
Alternative Name(s):
  • A-kinase
  • AP50 kinase
  • ATP-protein transphosphorylase
  • Beta-IIPKC
  • Beta-adrenergic receptor kinase
  • CK-2
  • CKI
  • CKII
  • Calcium-dependent protein kinase C
  • Calcium/phospholipid-dependent protein kinase
  • Casein kinase
  • Casein kinase (phosphorylating)
  • Casein kinase 2
  • Casein kinase I
  • Casein kinase II
  • Cyclic AMP-dependent protein kinase
  • Cyclic AMP-dependent protein kinase A
  • Cyclic monophosphate-dependent protein kinase
  • Cyclic nucleotide-dependent protein kinase
  • Cyclin-dependent kinase
  • Cytidine 3',5'-cyclic monophosphate-responsive protein kinase
  • Dsk1
  • Epsilon PKC
  • Glycogen synthase A kinase
  • Glycogen synthase a kinase
  • Glycogen synthase kinase
  • HIPK2
  • Hpr kinase
  • Hydroxyalkyl-protein kinase
  • M phase-specific cdc2 kinase
  • MAPK
  • Mitogen-activated S6 kinase
  • Mitogen-activated protein kinase
  • P82 kinase
  • PKA
  • PKC
  • Phosphorylase B kinase kinase
  • Phosphorylase b kinase kinase
  • Phosphorylase b kinase kinase
  • Protein glutamyl kinase
  • Protein kinase (phosphorylating)
  • Protein kinase A
  • Protein kinase CK2
  • Protein kinase p58
  • Protein phosphokinase
  • Protein serine kinase
  • Protein serine-threonine kinase
  • Protein-aspartyl kinase
  • Protein-cysteine kinase
  • Protein-serine kinase
  • Prp4 protein kinase
  • Raf kinase
  • Raf-1
  • Ribosomal S6 protein kinase
  • Ribosomal protein S6 kinase II
  • STK32
  • Serine kinase
  • Serine protein kinase
  • Serine(threonine) protein kinase
  • Serine-specific protein kinase
  • Serine/threonine protein kinase
  • T-antigen kinase
  • Threonine-specific protein kinase
  • Twitchin kinase
  • Type-2 casein kinase
  • WEE1Hu
  • Wee 1-like kinase
  • Wee-kinase
  • cAMP-dependent protein kinase
  • cAMP-dependent protein kinase A
  • cGMP-dependent protein kinase

Sequence families

Pfam Protein families (Pfam)
PF02518
Domain description: Histidine kinase-, DNA gyrase B-, and HSP90-like ATPase
Occurring in:
  1. Branched-chain alpha-ketoacid dehydrogenase kinase
The deposited structure of PDB entry 3tz0 contains 1 copy of Pfam domain PF02518 (Histidine kinase-, DNA gyrase B-, and HSP90-like ATPase) in Branched-chain alpha-ketoacid dehydrogenase kinase. Showing 1 copy in chain A.

PF10436
Domain description: Mitochondrial branched-chain alpha-ketoacid dehydrogenase kinase
Occurring in:
  1. Branched-chain alpha-ketoacid dehydrogenase kinase
The deposited structure of PDB entry 3tz0 contains 1 copy of Pfam domain PF10436 (Mitochondrial branched-chain alpha-ketoacid dehydrogenase kinase) in Branched-chain alpha-ketoacid dehydrogenase kinase. Showing 1 copy in chain A.

InterPro InterPro annotations
IPR004358
Domain description: Signal transduction histidine kinase-related protein, C-terminal
Occurring in:
  1. Branched-chain alpha-ketoacid dehydrogenase kinase
IPR003594
Domain description: Histidine kinase/HSP90-like ATPase
Occurring in:
  1. Branched-chain alpha-ketoacid dehydrogenase kinase
IPR036890
Domain description: Histidine kinase/HSP90-like ATPase superfamily
Occurring in:
  1. Branched-chain alpha-ketoacid dehydrogenase kinase
IPR036784
Domain description: Alpha-ketoacid/pyruvate dehydrogenase kinase, N-terminal domain superfamily
Occurring in:
  1. Branched-chain alpha-ketoacid dehydrogenase kinase
IPR005467
Domain description: Histidine kinase domain
Occurring in:
  1. Branched-chain alpha-ketoacid dehydrogenase kinase
IPR018955
Domain description: Branched-chain alpha-ketoacid dehydrogenase kinase/Pyruvate dehydrogenase kinase, N-terminal
Occurring in:
  1. Branched-chain alpha-ketoacid dehydrogenase kinase
IPR039028
Domain description: PDK/BCKDK protein kinase
Occurring in:
  1. Branched-chain alpha-ketoacid dehydrogenase kinase

Structure domains

CATH CATH domains
3.30.565.10
Class: Alpha Beta
Architecture: 2-Layer Sandwich
Topology: Heat Shock Protein 90
Homology: Histidine kinase-like ATPase, C-terminal domain
Occurring in:
  1. Branched-chain alpha-ketoacid dehydrogenase kinase
The deposited structure of PDB entry 3tz0 contains 1 copy of CATH domain 3.30.565.10 (Heat Shock Protein 90) in Branched-chain alpha-ketoacid dehydrogenase kinase. Showing 1 copy in chain A.
1.20.140.20
Class: Mainly Alpha
Architecture: Up-down Bundle
Topology: Butyryl-CoA Dehydrogenase, subunit A; domain 3
Homology: Alpha-ketoacid/pyruvate dehydrogenase kinase, N-terminal domain
Occurring in:
  1. Branched-chain alpha-ketoacid dehydrogenase kinase
The deposited structure of PDB entry 3tz0 contains 1 copy of CATH domain 1.20.140.20 (Butyryl-CoA Dehydrogenase, subunit A; domain 3) in Branched-chain alpha-ketoacid dehydrogenase kinase. Showing 1 copy in chain A.