On the Statistics page you can find more information about the properties of the ComPPI dataset. The Statistics Summary describes the summarized number of proteins, interactions and localizations, and the average localization and interaction scores for all species. The Detailed Statistics describes the number of proteins, interactions and localizations, and the average localization and interaction scores for the certain localizations of the choosen species.

Learn more about the subcellular localization data.

Find out more about the ComPPI scoring system.

Statistics Summary

Data Type Number of Proteins Number of Localizations Average localization score Number of Interactions Average Interaction Score
Compartmentalization of proteins and interactions 42 829 86 874 0.76 517 461 0.76
Interaction Data 53 168 - - 791 059 0.49
Localization data 119 432 195 815 0.73 - -

Detailed Statistics

Available species:

  1. Homo sapiens (Human)
  2. Drosophila melanogaster (Fruit fly)
  3. Caenorhabditis elegans
  4. Saccharomyces cerevisiae (Baker's yeast)

1. Homo sapiens (Human)

Data Type Number of Proteins Number of Localizations Average localization score Number of Interactions Average Interaction Score
Compartmentalization of proteins and interactions
All Localizations 19 386 47 761 0.82 260 829 0.88
Cytosol 12 801 35 498 0.82 185 012 0.91
Mitochondrion 1937 6202 0.81 9433 0.92
Nucleus 10 820 27 540 0.83 156 601 0.93
Extracellular 5848 20 983 0.83 29 725 0.96
Secretory Pathway 5144 18 299 0.81 27 425 0.93
Membrane 8408 27 800 0.82 57 509 0.91
Interaction Data 23 266 - - 385 481 0.60
Localization Data
All Localizations 71 271 123 225 0.76 - -
Cytosol 33 750 71 957 0.77 - -
Mitochondrion 7541 17 509 0.75 - -
Nucleus 29 789 57 722 0.79 - -
Extracellular 11 672 35 729 0.80 - -
Secretory Pathway 13 460 36 444 0.77 - -
Membrane 27 013 61 050 0.76 - -

2. Drosophila melanogaster (Fruit fly)

Data Type Number of Proteins Number of Localizations Average localization score Number of Interactions Average Interaction Score
Compartmentalization of proteins and interactions
All Localizations 13 332 20 790 0.59 137 011 0.46
Cytosol 7037 12 715 0.62 81 199 0.50
Mitochondrion 911 1803 0.61 3717 0.53
Nucleus 5507 9239 0.61 48 279 0.51
Extracellular 737 1764 0.61 1482 0.69
Secretory Pathway 2276 4726 0.58 10 541 0.44
Membrane 2955 5742 0.64 15 758 0.49
Interaction Data 17 379 - - 250 854 0.25
Localization Data
All Localizations 21 635 31 886 0.55 - -
Cytosol 9192 16 260 0.60 - -
Mitochondrion 1907 3598 0.57 - -
Nucleus 7344 12 090 0.58 - -
Extracellular 2178 4714 0.58 - -
Secretory Pathway 4918 9359 0.54 - -
Membrane 6347 10 607 0.60 - -

3. Caenorhabditis elegans

Data Type Number of Proteins Number of Localizations Average localization score Number of Interactions Average Interaction Score
Compartmentalization of proteins and interactions
All Localizations 4221 7369 0.77 12 233 0.68
Cytosol 2369 4664 0.77 6039 0.73
Mitochondrion 181 416 0.75 156 0.71
Nucleus 1995 3685 0.77 5849 0.71
Extracellular 68 151 0.73 80 0.47
Secretory Pathway 809 1752 0.75 1189 0.70
Membrane 629 1295 0.79 1269 0.70
Interaction Data 6298 - - 23 772 0.35
Localization Data
All Localizations 20 046 29 281 0.73 - -
Cytosol 7713 13 887 0.74 - -
Mitochondrion 1780 3521 0.72 - -
Nucleus 6245 10 924 0.74 - -
Extracellular 1662 3325 0.70 - -
Secretory Pathway 4691 8895 0.72 - -
Membrane 7190 10 579 0.72 - -

4. Saccharomyces cerevisiae (Baker's yeast)

Data Type Number of Proteins Number of Localizations Average localization score Number of Interactions Average Interaction Score
Compartmentalization of proteins and interactions
All Localizations 5890 10 774 0.82 107 387 0.84
Cytosol 3374 7106 0.81 69 698 0.85
Mitochondrion 1407 2969 0.78 10 668 0.81
Nucleus 2819 5554 0.81 51 035 0.89
Extracellular 147 388 0.78 230 0.83
Secretory Pathway 891 2264 0.83 4560 0.91
Membrane 1876 4077 0.83 11 891 0.87
Interaction Data 6228 - - 130 952 0.69
Localization Data
All Localizations 6480 11 423 0.81 - -
Cytosol 3467 7221 0.81 - -
Mitochondrion 1513 3124 0.76 - -
Nucleus 2926 5681 0.81 - -
Extracellular 282 762 0.76 - -
Secretory Pathway 999 2477 0.81 - -
Membrane 2237 4562 0.82 - -


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ComPPI is published in Nucleic Acids Research Database Issue 2015