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Table 1 Overview of the proteins detected in digestive fluids of Stegodyphus mimosarum and Acanthoscurria geniculata in comparison with those found in Nephilingis cruentata by *Fuzita et al. [15]

From: Characterisation of protein families in spider digestive fluids and their role in extra-oral digestion

Species   Stegodyphus mimosarum Acanthoscurria geniculata Nephilegys cruentata*
Protein family   quantified low concentration quantified low concentration quantified low concentration
Lipases   1 14 1 1 6 2
Carbohydrases Alpha-amylase 1 1 - - 1 -
Alpha-mannosidase - 1 - - 1 1
Glucose dehydrogenase 1 - - - 1 -
Beta-hexosaminidases - - - 2 1 1
Enolase - 1 - - 1 1
Beta-galactosidase - - - - 1 1
Maltase-glucoamylase - 1 - 1 - -
Glycolate oxidase - 1 1 - - -
Proteases
Endo- Trypsin-like proteins 9 3 3 3 8 -
Cysteine proteases 1 2 1 1 - -
Astacin-like metalloproteases 9 24 1 11 25 4
Zinc-metalloproteases - 1 - - 1 -
Cathepsins 1 4 - 3 3 -
Exo- Carboxypeptidases 1 - 1 5 4 1
Nucleases   1 3 - 1 1 -
 Transport and chaperon-like proteins Lipid transport proteins 2 - - - 1 -
LEA-like proteins 3 - - - - -
 Immune response Chitinases 2 1 5 3 3 1
Peptidoglycan recognition proteins 1 - - 3 2 -
Cell adhesion molecule - 1 - - 1 1
Lysozyme - 1 - 1 - -
 Other proteins Peroxidase 1 - - - 5 -
Serine protease inhibitors (Serpins) - - 2 1 1 -
Serine/threonine-protein phosphatase - 1 - - 1 1
Carbonic anhydrases - 1 - - 2 -
Alcohol dehydrogenases - - 1 1 2 -
Pantetheinase - 1 - 1 1 -
Superoxid dismutases - 1 - - 3 1
Leucine rich repeat proteins 7 7 - 4 6 1
Allergens 5 - 2 - 4 -
 Unknown proteins   20 questionable 18 questionable 76 questionable
  1. Left column: quantified proteins; Right column: detected, but unquantifiable proteins. Of all proteins detected in Nephilingis we only included those that find comparable equivalents in our results. For a more detailed list see Fuzita et al. [15]