Molecular cloning and sequence analysis of alboaggregin B. 2007

Jaradpong Arpijuntarangkoon, and Ponlapat Rojnuckarin, and Chuanchom Muanpasitporn, and Sophon Kaeothip, and Polkit Sangvanich, and Tanin Intragumtornchai
Department of Medicine, Chulalongkorn University, Rama IV Road, Patumwan, Bangkok 10330, Thailand.

Green pit viper (Trimeresurus albolabris) venom contains a variety of C-type lectin-like proteins (CLPs) causing platelet aggregation and consumptive thrombocytopenia in biting victims. Alboaggregin B (AL-B), a heterodimeric glycoprotein (Gp) Ib-binding protein, was purified from the venom, but there is no reported cDNA sequence and the platelet agglutination mechanism is poorly understood. The full-length AL-B beta clone was obtained from T. albolabris venom gland cDNA library. AL-B alpha was, later, derived using 3'-RACE based on the conserved sequence. In this study, purified AL-B dimer agglutinated human platelets with the EC(50) of 180 nM and was completely inhibited by anti GpIb antibody. MALDI ToF mass spectroscopy found no glycosylation. The peptide mass fingerprints were matched with deduced amino acid sequences of cloned genes. AL-B alpha and beta contained 156 and 146 amino acid, respectively, including 23-residue signal peptides. AL-B beta showed the conserved hydrophilic patches, putative sites for GpIb binding. Furthermore, there was another conserved motif (SRTY) exclusively in platelet-agglutinating AL-B, TSV-GPIb-BP and Mamushigin. We propose that these three CLPs may function as bivalent adhesive proteins linking two GpIb molecules on adjacent platelets.

UI MeSH Term Description Entries
D008969 Molecular Sequence Data Descriptions of specific amino acid, carbohydrate, or nucleotide sequences which have appeared in the published literature and/or are deposited in and maintained by databanks such as GENBANK, European Molecular Biology Laboratory (EMBL), National Biomedical Research Foundation (NBRF), or other sequence repositories. Sequence Data, Molecular,Molecular Sequencing Data,Data, Molecular Sequence,Data, Molecular Sequencing,Sequencing Data, Molecular
D010974 Platelet Aggregation The attachment of PLATELETS to one another. This clumping together can be induced by a number of agents (e.g., THROMBIN; COLLAGEN) and is part of the mechanism leading to the formation of a THROMBUS. Aggregation, Platelet
D003001 Cloning, Molecular The insertion of recombinant DNA molecules from prokaryotic and/or eukaryotic sources into a replicating vehicle, such as a plasmid or virus vector, and the introduction of the resultant hybrid molecules into recipient cells without altering the viability of those cells. Molecular Cloning
D003435 Crotalid Venoms Venoms from snakes of the subfamily Crotalinae or pit vipers, found mostly in the Americas. They include the rattlesnake, cottonmouth, fer-de-lance, bushmaster, and American copperhead. Their venoms contain nontoxic proteins, cardio-, hemo-, cyto-, and neurotoxins, and many enzymes, especially phospholipases A. Many of the toxins have been characterized. Bothrops Venom,Crotalidae Venoms,Pit Viper Venoms,Rattlesnake Venoms,Crotactin,Crotalid Venom,Crotalin,Crotaline Snake Venom,Crotalotoxin,Crotamin,Pit Viper Venom,Rattlesnake Venom,Snake Venom, Crotaline,Venom, Bothrops,Venom, Crotalid,Venom, Crotaline Snake,Venom, Pit Viper,Venom, Rattlesnake,Venoms, Crotalid,Venoms, Crotalidae,Venoms, Pit Viper,Venoms, Rattlesnake,Viper Venom, Pit
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000595 Amino Acid Sequence The order of amino acids as they occur in a polypeptide chain. This is referred to as the primary structure of proteins. It is of fundamental importance in determining PROTEIN CONFORMATION. Protein Structure, Primary,Amino Acid Sequences,Sequence, Amino Acid,Sequences, Amino Acid,Primary Protein Structure,Primary Protein Structures,Protein Structures, Primary,Structure, Primary Protein,Structures, Primary Protein
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D001483 Base Sequence The sequence of PURINES and PYRIMIDINES in nucleic acids and polynucleotides. It is also called nucleotide sequence. DNA Sequence,Nucleotide Sequence,RNA Sequence,DNA Sequences,Base Sequences,Nucleotide Sequences,RNA Sequences,Sequence, Base,Sequence, DNA,Sequence, Nucleotide,Sequence, RNA,Sequences, Base,Sequences, DNA,Sequences, Nucleotide,Sequences, RNA
D017841 Trimeresurus A genus of snakes of the family VIPERIDAE. About 30 species are currently recognized, found in southeast Asia and adjacent island chains. The Okinawa habu frequently enters dwellings in search of rats and mice; the Chinese habu is often found in suburban and agricultural areas. They are quite irritable. (Moore: Poisonous Snakes of the World, 1980, p136) Habu,Habus
D018076 DNA, Complementary Single-stranded complementary DNA synthesized from an RNA template by the action of RNA-dependent DNA polymerase. cDNA (i.e., complementary DNA, not circular DNA, not C-DNA) is used in a variety of molecular cloning experiments as well as serving as a specific hybridization probe. Complementary DNA,cDNA,cDNA Probes,Probes, cDNA

Related Publications

Jaradpong Arpijuntarangkoon, and Ponlapat Rojnuckarin, and Chuanchom Muanpasitporn, and Sophon Kaeothip, and Polkit Sangvanich, and Tanin Intragumtornchai
October 2020, Drug metabolism and pharmacokinetics,
Jaradpong Arpijuntarangkoon, and Ponlapat Rojnuckarin, and Chuanchom Muanpasitporn, and Sophon Kaeothip, and Polkit Sangvanich, and Tanin Intragumtornchai
February 1991, European journal of biochemistry,
Jaradpong Arpijuntarangkoon, and Ponlapat Rojnuckarin, and Chuanchom Muanpasitporn, and Sophon Kaeothip, and Polkit Sangvanich, and Tanin Intragumtornchai
March 1994, Biochimica et biophysica acta,
Jaradpong Arpijuntarangkoon, and Ponlapat Rojnuckarin, and Chuanchom Muanpasitporn, and Sophon Kaeothip, and Polkit Sangvanich, and Tanin Intragumtornchai
August 1995, FEBS letters,
Jaradpong Arpijuntarangkoon, and Ponlapat Rojnuckarin, and Chuanchom Muanpasitporn, and Sophon Kaeothip, and Polkit Sangvanich, and Tanin Intragumtornchai
July 1991, The Journal of biological chemistry,
Jaradpong Arpijuntarangkoon, and Ponlapat Rojnuckarin, and Chuanchom Muanpasitporn, and Sophon Kaeothip, and Polkit Sangvanich, and Tanin Intragumtornchai
August 1988, Archives of biochemistry and biophysics,
Jaradpong Arpijuntarangkoon, and Ponlapat Rojnuckarin, and Chuanchom Muanpasitporn, and Sophon Kaeothip, and Polkit Sangvanich, and Tanin Intragumtornchai
January 1999, DNA sequence : the journal of DNA sequencing and mapping,
Jaradpong Arpijuntarangkoon, and Ponlapat Rojnuckarin, and Chuanchom Muanpasitporn, and Sophon Kaeothip, and Polkit Sangvanich, and Tanin Intragumtornchai
June 1991, Zentralblatt fur Bakteriologie : international journal of medical microbiology,
Jaradpong Arpijuntarangkoon, and Ponlapat Rojnuckarin, and Chuanchom Muanpasitporn, and Sophon Kaeothip, and Polkit Sangvanich, and Tanin Intragumtornchai
April 1988, The Journal of biological chemistry,
Jaradpong Arpijuntarangkoon, and Ponlapat Rojnuckarin, and Chuanchom Muanpasitporn, and Sophon Kaeothip, and Polkit Sangvanich, and Tanin Intragumtornchai
May 2002, BMC genomics,
Copied contents to your clipboard!