Table I.

Summary of protein kinase clusters produced at E < 1.0 threshold

Type Cluster Representative Family PlantsP Classification No. No. of Arabidopsis Genes No. of Yeast Genes
Receptor-like kinases (RLKs) and related kinase 1 N/Sa N/S 497 0
2 N/S N/S 67 0
3 N/S N/S 54 0
4 N/S N/S 4 0
Intracellular kinase 5 Raf-like MAP3K 2.1.3-4 22 0
AtMRK1/ATN1 like 2.1.5-6 26 0
Ankyrin repeat kinase 2.1.2 6 0
6 MEKK/NPK1 like 4.4.1-5 26 0
7 APG1 like 4.2.8 4 1
ELM 4.2.7 2 3
SnRK (SNF1 like) 4.2.4 38 9
CDPK 4.2.1, 4.2.3 40 0
PPCK 4.2.2 4 0
CaMK N/Ab 0 6
MAP4K/STE20 like 4.1.2 9 5
MAP3K 4.1.1 12 5
MAP2K 4.1.3-4 10 4
MAPK 4.5.1 19 6
Casein kinase II 4.5.3 4 2
CDK 4.5.2 27 5
GSK3/shaggy like 4.5.4 10 4
NIMA/NEK family 4.1.6 7 1
CLK 4.5.1 3 1 (of 4)
PIM like N/A 0 2
RAN N/A 0 2
PTK N/A 0 2
NPR/HAL5 N/A 0 7
8 S6K 4.2.6 26 2
DBF2 12 3
PKA 0 3
PKC 0 1
AGC 2 3
PKA related 2 3
9 Casein kinase I 3.1.1 17 4
10 CLK 3.1.1 16 3 (of 4)
11 IRE1 4.3.2 3 1
12 5.2.1 1 (4g29380) 2
Histidine kinase 13 SLN1 0 1
Cytokinin receptor 6 0
Ethylene receptor 5 0
Phytochrome 5 0
14 PDH kinase 1 1
PI kinase like 15 PI kinase like N/A 3 2:
AtATM MEC1
AtRad3 TEL1
At1g50030
Unclustered kinase N/A N/A N/A 3: 2:
At1g22870 BUD32
At3g63330 TWF1
At5g53450
  • a N/S, Not shown

  • b N/A, Not applicable