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This page contains statistics of the content of SPdb i.e. signal sequences stored.
All the tables on this page are automatically generated when SPdb is updated.

Verified Sequences75011984202512
Unverified Sequences99645517348101924921
Table 1: Distribution of signal sequences in SPdb

CategoryNumber Of Entries/Sequences
(a) Swiss-Prot and papers quoted same putative position342
(b) Swiss-Prot and papers quoted different position118
(c)(1) No references or relevant references provided
(2) Can't obtain the papers due to subscription-restriction
(3) No access to very old papers
(d) Can't locate or obtain the position information from the papers562
Table 2: Distribution of 1263 signal sequences filtered off in the manual curation step

No.Name of SpeciesFrequency
1Homo sapiens (Human)595
2Mus musculus (Mouse)167
3Rattus norvegicus (Rat)146
4Bos taurus (Bovine)94
5Escherichia coli (strain K12)67
6Gallus gallus (Chicken)44
7Sus scrofa (Pig)41
8Oryctolagus cuniculus (Rabbit)31
9Escherichia coli30
10Triticum aestivum (Wheat)29
11Xenopus laevis (African clawed frog)20
12Drosophila melanogaster (Fruit fly)19
13Mesobuthus martensii (Manchurian scorpion) (Buthus martensii)19
14Staphylococcus aureus19
15Bombyx mori (Silk moth)18
16Ovis aries (Sheep)18
17Pseudomonas aeruginosa18
18Canis familiaris (Dog)17
19Nicotiana tabacum (Common tobacco)16
20Zea mays (Maize)15
21Glycine max (Soybean)13
22Cavia porcellus (Guinea pig)13
23Hordeum vulgare (Barley)13
24Saccharomyces cerevisiae (Baker's yeast)12
25Equus caballus (Horse)11
Table 3: Top 25 Most Represented Species (Experimentally Verified Set)


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