Search
protein kinase C (PKC)
A family of proteins
Function:
- in vivo, PKC prefers phosphorylation of Ser or Thr found close to a C-terminal basic residue
- additional basic residues at the N- or C-terminal of the target amino acid enhances the Vmax & Km of phosphorylation
Compartment:
- apparently localize to focal adhesions [2]
Interactions
molecular events
Specific
protein kinase (C-mu protein kinase D1, PRKD1, PKD, PKD1, PRKCM)
protein kinase C type-A
protein kinase C type-B
protein kinase C type-D2 (PRKD2, nPKC-D2, HSPC187)
protein kinase C-nu (protein kinase D3, NPKC-nu, protein kinase EPK2, PRKD3, PRKCN)
General
allosteric enzyme
serine/threonine kinase
Properties
SIZE: gel filtration = 87 kD
COMPARTMENT: plasma membrane*
CELL: most cell types*
ORGANISM: eukaryote*
STATE: active state
MOTIF: DAG/PE-binding domain {N-TERMINAL}
MOTIF: binding site
EFFECTOR-BOUND: diacylglycerol
Zinc finger
NAME: Zinc finger (2)
EFFECTOR-BOUND: Zn+2
C2 domain
MOTIF: allosteric site
EFFECTOR-BOUND: phosphatidylserine
Ca+2-binding site
EFFECTOR-BOUND: Ca+2
kinase domain
MOTIF: ATP-binding site
NAME: ATP-binding site
MISC-INFO: DISTRIBUTION
:REGIONAL BROAD
:SUBCELLULAR PARTICULATE
cytoplasm
SUBSTRATE-SPECIFICITY
:RANGE BROAD
INHIBITOR = STAUROSPORINE
INHIBITOR = QUERCITIN
INHIBITOR = POLYMYXIN-B
INHIBITOR = H-7
INHIBITOR = HIV_ENVELOPE_PROTEIN_GP120
References
- Kikkawa U, Kishimoto A, Nishizuka Y.
The protein kinase C family: heterogeneity and its implications.
Annu Rev Biochem. 1989;58:31-44. Review. No abstract available.
PMID: 2549852
- Clark EA & Brugge JS
Integrins and signal transduction pathways: the road taken.
Science 268:233 1995
PMID: 7716514