Schönfeld, D., Matschiner, G., Chatwel,l L., Trentmann, S., Gille, H., Hülsmeyer, M., Brown, N., Kaye, P.M., Schlehuber, S., Hohlbaum, A.M., Skerra, A. (2009) An engineered lipocalin specific for CTLA-4 reveals a combining site with structural and conformational features similar to antibodies. PNAS 19;106(20):8198-203. 
Martz L. (2009) Designer Lipocalins. SciBX 2(28) 8-9.
Kim, H.J., Eichinger, A., Skerra A. (2009) High-affinity recognition of lanthanide(III) chelate complexes by a reprogrammed human lipocalin 2. J Am Chem Soc. 131(10):3565-76.
Skerra, A. (2008) Alternative binding proteins: Anticalins - harnessing the structural plasticity of the lipocalin ligand pocket to engineer novel binding activities. FEBS J. 275(11):2677-83
Hohlbaum, A. M. & Skerra, A. (2007) Anticalins a novel class of therapeutic binding proteins. Innovations in Pharmaceutical Technology 23, 32-38.
Hohlbaum A. M. & Skerra, A. (2007) Anticalins: The lipocalin familiy as a novel protein scaffold for the development of next generation immunotherapeutics. Exp. Rev. of Clin. Immunol. 3(4), 491-501.
Breustedt, D.A., Schonfeld, D.L., Skerra, A. (2006) Comparative ligand-binding analysis of ten human lipocalins. Biochim Biophys Acta. 1764(2), 161-173.
Nasreen, A., Vogt, M., Kim, H.J., Eichinger, A., Skerra, A. (2006) Solubility engineering and crystallization of human apolipoprotein D. Protein Sci. 15(1), 190-199.
Vopel, S., Muhlbach, H., Skerra, A. (2005) Rational engineering of a fluorescein-binding anticalin for improved ligand affinity. Biol Chem. 386(11), 1097-1104.
Schlehuber, S. & Skerra, A. (2005) Anticalins in Drug Development. BioDrugs, 19(5), 279-288.
Schlehuber, S. & Skerra, A. (2005) Anticalins as an alternative to antibody technology. Expert Opin. Biol. Ther. 5(11), 1453-1462.
Schlehuber, S. & Skerra, A. (2005) Lipocalins in drug discovery: from natural ligand-binding proteins to 'anticalins'. Drug Discov. Today 10, 23-33.
Breustedt, D. A., Korndörfer, I. P., Redl, B. & Skerra, A. (2005) The 1.8-Å crystal structure of human tear lipocalin reveals an extended branched cavity with capacity for multiple ligands. J. Biol. Chem. 280, 484-493.
Nygren, P.-Å. & Skerra, A. (2004) Binding proteins from alternative scaffolds. J. Immunol. Methods 290, 3-28.
Vogt, M. & Skerra, A. (2004) Construction of an artificial receptor protein ("Anticalin") based on the human apolipoprotein D. ChemBioChem 5, 191-199.
Liu, G., Mills, J. L., Hess, T. A., Kim, S., Skalicky, J. J., Sukumaran, D. K., Kupce, E., Skerra, A. & Szyperski, T. (2003) Resonance assignments for the 21 kDa engineered fluorescein-binding lipocalin FluA. J. Biomol. NMR 27, 187-188.
Korndörfer, I. P., Beste, G. & Skerra, A. (2003) Crystallographic analysis of an "anticalin" with tailored specificity for fluorescein reveals high structural plasticity of the lipocalin loop region. Proteins: Struct. Funct. Genet. 52, 121-129.
Korndörfer, I. P., Schlehuber, S. & Skerra, A. (2003) Structural mechanism of specific ligand recognition by a lipocalin tailored for the complexation of digoxigenin. J. Mol. Biol. 330, 385-396.
Götz, M., Hess, S., Beste, G., Skerra, A. & Michel-Beyerle, M.E. (2002) Ultrafast electron transfer in the complex between fluorescein and a cognate engineered lipocalin protein, a so-called anticalin. Biochemistry 41, 4156-4164.
Schlehuber, S., & Skerra, A. (2002) Tuning ligand affinity, specificity, and folding stability of an engineered lipocalin variant - a so-called 'anticalin' - using a molecular random approach. Biophys. Chem. 96, 213-228.
Skerra, A. (2001) 'Anticalins': a new class of engineered ligand-binding proteins with antibody-like properties. Rev. Mol. Biotechnol. 74, 257-275.
Schlehuber, S., & Skerra, A. (2001) Duocalins: engineered ligand-binding proteins with dual specificity derived from the lipocalin fold. Biol. Chem. 382, 1335-1342.
Schlehuber, S., Beste, G. & Skerra, A. (2000) A novel type of receptor protein, based on the lipocalin scaffold, with specificity for digoxigenin. J. Mol. Biol. 297, 1105-1120.
Skerra, A. (2000) Lipocalins as a scaffold. Biochim. Biophys. Acta 1482, 337-350.
Skerra, A. (2000) Engineered protein scaffolds for molecular recognition. J. Mol. Recognit. 13, 167-187.
Beste, G., Schmidt, F. S., Stibora, T. & Skerra, A. (1999) Small antibody-like proteins with prescribed ligand specificities derived from the lipocalin fold. Proc. Natl. Acad. Sci. USA 96, 1898-1903.