Table I Phosphorylation data collected in this study
OrganismData sourceNumber of proteinsaNumber of phosphoproteinsResidue typeNumber of residuesaNumber of phosphositesa
H. sapiens (human)UniProt/Swiss-Prot20,6426,993Serine964,479 (747,779)22,693 (20,060)
Phospho.ELM(15,355)(5,729)Threonine618,337 (472,154)5,082 (4,470)
Tyrosine306,980 (227,240)3,110 (2,572)
M. musculus (mouse)UniProt/Swiss-Prot16,4295,959Serine767,185 (642,486)17,694 (16,085)
Phospho.ELM(13,147)(5,070)Threonine488,903 (402,799)3,738 (3,336)
Tyrosine245,940 (196,880)2,617 (2,219)
D. melanogaster (fruit fly)UniProt/Swiss-Prot17,0113,314Serine781,887 (571,333)8,960 (8,828)
PhophoPepb(12,928)(3,209)Threonine531,531 (387,518)2,463 (2,407)
C. elegans (worm)UniProt/Swiss-Prot23,0902,099Serine813,784 (590,442)3,910 (2,792)
PhophoPepb(16,758)(1,565)Threonine591,985 (424,206)562 (396)
S. cerevisiae (bakers' yeast)UniProt/Swiss-Prot13,2052,556Serine550,611 (244,689)8,817 (8,409)
(6,092)(2,379)Threonine360,928 (155,870)2,053 (1,932)
A. thaliana (thale cress)PhosPhAtb33,4102,268Serine1,223,257 (666,523)3,748 (3,159)
TAIR(17,732)(1,864)Threonine683,707 (356,487)580 (504)
  • a Numbers in parentheses represent unique proteins or residues after running the non-redundant data set construction procedure.

  • b For phosphorylation data in PhosphoPep and PhosPhAt, only unambiguously determined sites were included.