Navigo Proteins Gmbh

Repligen Corporation

Scil Proteins Gmbh

Celares Gmbh

Erik Fiedler

Ulrich Haupts

Markus Fiedler

Eva Bosse-Doenecke

Maren Meysing

Ulrike Fiedler

Arnd Steuernagel

Thomas Hey

Paul Knick

Anja Kunert

Manja Gloser

Florian Settele

Michael Schraeml

Hilmar Erhard Ebersbach

Frank Leenders

Ralf Kraehmer

Joerg Nerkamp

Thomas Göttler

Madlen Zwarg

Mathias Kahl

Jonathan Lotze

Markus Liebscher

Anja Katzschmann

Jörg Narkamp

Ilka Haenssgen

Thomas Goettler

Jörg Nerkamp

Ilka Haenßgen

Jorg Nerkamp

Thomas Gottler

Manja Gloser-Braunig

Julia Hennicke

Manja Gloser-Bräunig

Hanna Bobolowski

The present invention relates to the field of protein purification and relates in particular to novel proteins that bind specifically to acid alpha glucosidase (GAA). The invention further relates to fusion proteins comprising novel proteins that bind specifically to GAA. In addition, the invention relates to affinity matrices comprising the GAA binding proteins of the invention. The invention also relates to a use of these GAA binding proteins or affinity matrices for affinity purification of GAA and to methods of affinity purification of GAA using the GAA binding proteins of the invention. Further uses relate to analytical methods for the determination of GAA in liquids.

Binding proteins for the enzyme acid alpha glucosidase (GAA) and uses thereof

The present invention relates to Fc binding proteins comprising one or more domains with Cysteine in the C-terminal helical region. The invention further relates to affinity matrices comprising the Fc binding proteins of the invention. The invention also relates to a use of these Fc binding proteins or affinity matrices for affinity purification of immunoglobulins and to methods of affinity purification using the Fc binding proteins of the invention.

Fc binding proteins with cysteine in the C-terminal helical region

Fc binding proteins with cysteine in the c-terminal helical region

The invention generally relates to targeted compounds for the site-specific coupling of chemical moieties. The present invention features a targeted compound for the coupling of chemical moieties comprising at least one targeting domain capable of binding a target, and at least one linking moiety of up to 80 amino acids, preferably alanine, proline, and serine, and at least one coupling site consisting of cysteine or a cysteine-rich peptide motif (CXC, CXXC, or CXXXC), and wherein said linking moiety connects the targeting domain and a coupling site and/or wherein a linking moiety connects two coupling sites. The invention further features fusion proteins with ubiquitin muteins (Affilin @) as targeting domain. The invention also relates to the use of the targeted compounds for medical applications, in treatment or diagnosis of diseases.

Targeted compounds for the site-specific coupling of chemical moieties comprising a peptide linker

The invention relates to fusion proteins comprising at least one extradomain B of fibronectin (ED-B) specific binding domain with high stability in serum and at least one APS domain essentially consisting of or consisting of up to about 80 amino acids selected from alanine, proline, serine, and optionally aspartic acid. The fusion protein further comprises at least one coupling site consisting of at least one cysteine. The invention relates to the use of the fusion proteins or of compositions comprising the fusion proteins for medical applications, such as diagnosis or treatment of cancer or cardiovascular diseases.

Fusion proteins with specificity for ED-B and long serum half-life for diagnosis or treatment of cancer

The present invention relates to immunoglobulin (Ig) binding proteins comprising one or more Ig binding domains with amino acids selected from the group consisting at least of 1I, 11A, 11E, 11I, 35R, 35I, and 42L. The invention further relates to affinity matrices comprising the Ig binding proteins of the invention. The invention also relates to a use of these Ig binding proteins or affinity matrices for affinity purification of immunoglobulins and to methods of affinity purification using the Ig binding proteins of the invention.

Alkaline stable immunoglobulin-binding proteins

Provided are populations of polypeptides, wherein each member of the population of polypeptides includes or is an amino sequence as set forth in SEQ ID NO: 5 or SEQ ID NO: 6. Also provided are methods for identifying polypeptides that bind to pre-selected target molecules, which in some embodiments can include providing a population of polypeptides as described herein, contacting the population of polypeptides with a pre-selected target molecule, and identifying a complex comprising at least one member of the population of polypeptides bound to the pre-selected target molecule; and populations of nucleic acid molecules that encode the presently disclosed populations of polypeptides.

Populations of polypeptides having a triple-helical structure

The present invention relates to Fc binding proteins comprising one or more Fc binding domains wherein at least one domain comprises of an amino acid sequence selected from the group consisting of SEQ ID NOs: 1-6 or 21. The invention further relates to affinity matrices comprising the Fc binding proteins of the invention. The invention also relates to a use of these Fc binding proteins or affinity matrices for affinity purification of immunoglobulins and to methods of affinity purification using the Fc binding proteins of the invention.

Alkaline stable Fc-binding proteins for affinity chromatography

The present invention relates to new EGFR binding molecules based on ubiquitin muteins (Affilin&#xae;), preferably Affilin molecules having a characteristic three amino acid residue motif. The invention further refers to EGFR binding molecules that bind to different or non-overlapping epitopes than the anti-EGFR monoclonal antibody Cetuximab. The invention further relates to the use of these EGFR binding proteins in medicine, preferably for use in the diagnosis or treatment of cancer.

EGFR binding proteins

The present invention refers to new binding proteins based on di-ubiquitin modified in 12, 13, or 14 positions selected from positions R42, I44, H68, V70, R72, L73, R74, K82, L84, Q138, K139, E140, S141, and T142 of di-ubiquitin and being able to bind specifically with high affinity to selected targets. Furthermore, the invention provides a method for the generation of said binding proteins. In addition, libraries encoding for said binding proteins based on di-ubiquitin muteins modified in 12, 13, or 14 positions selected from R42, I44, H68, V70, R72, L73, R74, K82, L84, Q138, K139, E140, S141, and T142 are provided.

Binding proteins based on di-ubiquitin muteins and methods for generation

The present invention refers to novel hetero-multimeric proteins obtained from modified ubiquitin capable of binding the extradomain B of fibronectin (ED-B) with high affinity. Furthermore, the invention refers to fusion proteins comprising said recombinant protein fused to a pharmaceutically and/or diagnostically active component. The invention is further directed to the use of said proteins in medical treatment methods.

Modified ubiquitin proteins having a specific binding activity for the extradomain B of fibronectin

The present invention refers to a method for identifying hetero-multimeric ubiquitins with binding capability to a ligand. Furthermore, the invention provides DNA libraries encoding for a population of said hetero-multimeric ubiquitins as well as protein libraries obtained by expression of said DNA libraries, cells and phages containing said DNA or proteins, polynucleotides encoding for said fusion proteins and vectors comprising said polynucleotides. Further new binding proteins based on hetero-multimeric ubiquitin being able to bind specifically with high affinity to selected ligands are provided.

Method for identifying hetero-multimeric modified ubiquitin proteins with binding capability to ligands

The present invention is directed to a method for the generation of binding proteins derived from the protein super-family of ubiquitin like proteins with modifications in their alpha helical region as well as to a protein obtainable by said method. Furthermore, the invention provides the use of a protein for the specific recognition, binding and neutralization of a predescribed target molecule, for the detection, quantitative determination, separation and/or for the isolation of a corresponding binding partner and the use of a protein of the invention, for diagnosis, prophylaxis and treatment of diseases in which the corresponding binding partner is directly or indirectly involved.

Artificial binding proteins based on a modified alpha helical region of ubiquitin

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Halle/Saale, Germany

Erik Fiedler