Human proteins and polynucleotides encoding the same

Details Human proteins and polynucleotides encoding the same Human proteins and polynucleotides encoding the same

2000-10-18

2004-06-01

Wax, Robert A. (Department: 1653)

Organic compounds -- part of the class 532-570 series

Organic compounds

Carbohydrates or derivatives

C536S023100, C536S024100, C536S024300, C530S350000

Reexamination Certificate

active

06743907

ABSTRACT:

1. INTRODUCTION
The present invention relates to the discovery, identification, and characterization of novel human polynucleotides encoding proteins sharing sequence similarity with mammalian proteins having CUB domains. The invention encompasses the described polynucleotides, host cell expression systems, the encoded proteins, fusion proteins, polypeptides and peptides, antibodies to the encoded proteins and peptides, and genetically engineered animals that either lack or over express the disclosed sequences, antagonists and agonists of the proteins, and other compounds that modulate the expression or activity of the proteins encoded by the disclosed polynucleotides that can be used for diagnosis, drug screening, clinical trial monitoring, or the treatment of physiological disorders, or diseases.
2. BACKGROUND OF THE INVENTION
The CUB domain is an extracellular domain (ECD) present in variety of diverse proteins such as bone morphogenetic protein 1, proteinases, spermadhesins, complement subcomponents, and neuronal recognition molecules. Given the importance of these functions, CUB proteins have been associated with, inter alia, regulating development, modulating cellular processes, and preventing infectious disease.
3. SUMMARY OF THE INVENTION
The present invention relates to the discovery, identification, and characterization of nucleotides that encode novel human proteins, and the corresponding amino acid sequences of these proteins. The novel human proteins (NHPs) described for the first time herein share structural similarity with animal CUB domain proteins, coagulation factors V and XIII, milk fat globule-EGF factor 8, transcriptional repressor AE-binding protein-1, and neuropilins 1 and 2 (which, like the presently described protein, contain both CUB and discoidin domains).
The novel human nucleic acid (cDNA) sequences described herein, encode proteins/open reading frames (ORFs) of 487, 586, and 539 amino acids in length (see SEQ ID NOS: 2, 4, and 6 respectively).
The invention also encompasses agonists and antagonists of the described NHPs, including small molecules, large molecules, mutant NHPs, or portions thereof that compete with native NHPs, NHP peptides, and antibodies, as well as nucleotide sequences that can be used to inhibit the expression of the described NHPs (e.g., antisense and ribozyme molecules, and gene or regulatory sequence replacement constructs) or to enhance the expression of the described NHPs (e.g., expression constructs that place the described gene under the control of a strong promoter system), and transgenic animals that express a NHP transgene, or “knock-outs” (which can be conditional) that do not express a functional NHP. Several knockout ES cell lines have been produced that contain a gene trap mutation in a murine ortholog/homolog of the disclosed NHPs.
Further, the present invention also relates to processes for identifying compounds that modulate, i.e., act as agonists or antagonists, of NHP expression and/or NHP activity that utilize purified preparations of the described NHPs and/or NHP products, or cells expressing the same. Such compounds can be used as therapeutic agents for the treatment of any of a wide variety of symptoms associated with biological disorders or imbalances.
4. DESCRIPTION OF THE SEQUENCE LISTING AND FIGURES
The Sequence Listing provides the sequences of several NHP ORFs encoding the described NHP amino acid sequences. SEQ ID NO:7 describes a NHP ORF and flanking sequences.


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