Human ATPase proteins and polynucleotides encoding the same

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

2000-11-10

2002-10-08

Saidha, Tekchand (Department: 1652)

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

Organic compounds

Carbohydrates or derivatives

C435S201000

Reexamination Certificate

active

06462186

ABSTRACT:

1. INTRODUCTION
The present invention relates to the discovery, identification, and characterization of novel human polynucleotides encoding proteins that share sequence similarity with animal ATPase proteins. 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 genes, antagonists and agonists of the proteins, and other compounds that modulate the expression or activity of the proteins encoded by the disclosed genes that can be used for diagnosis, drug screening, clinical trial monitoring and the treatment of diseases and disorders.
2. BACKGROUND OF THE INVENTION
ATPases are proteins that mediate, facilitate, or “power” a wide variety of chemical processes within the cell. For example, ATPases have been associated with enzymatic, catabolic, and metabolic processes as well as transport mechanisms, blood coagulation, phagocytosis, etc.
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 ATPases.
The novel human nucleic acid sequences described herein, encode alternative proteins/open reading frames (ORFs) of 972, 124, 1,056, 208, 1,270, 422, 1,426, and 578 amino acids in length (see SEQ ID NOS: 2, 4, 6, 8, 10, 12, 14, and 16 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 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 NHP genes (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. A knockout ES cell line has been produced that contains a gene trap mutation in the murine ortholog of the described locus.
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 product, 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 the described NHP ORFs that encode the described NHP amino acid sequences. SEQ ID NO:17 describes a NHP ORF as well as flanking 5′ and 3′ sequences.


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