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Bacterial Peptides

Catalog Go™ peptides

Diaminopimelic (DAP) acids, derived from bacterial peptidoglycans, have been used for the study of tumor progression. Ala-D-g-Glu-DAP (also known as Ala-D-g-Glu-meso-Dap or gTriDAP), where the Dap is coupled to the g-carboxylic acid of the D-isomer of Glu, is an activator of Nod1 cytosolic protein. The primary function of Nod1 is linked to the growth of estrogen-sensitive tumors and plays a role in host responses to invasive bacteria and apoptosis. The lack of Nod1 in cells correlates to tumor growth, increases sensitivity to estrogen-induced cell proliferation and causes failure to undergo Nod1-dependent apoptosis. Ala-a-Glu-meso-Diaminopimelic acid, also known as aTriDAP in which meso-diaminopimleic acid is bound to the D-isomer of Glu in the a position rather than the g position, does not stimulate cell apoptosis.


DescriptionSize Reference USD Qty  
Ala-gamma-D-Glu-DAP - 1 mg1 mg AS-60774 181.00Add to cart
Bactenecin, bovine - 0.5 mg0.5 mg AS-61066 176.00Add to cart
Bacterial Sortase Substrate I, FRET - 1 mg1 mg AS-62231 237.00Add to cart
Bacterial Sortase Substrate II , Dabcyl/Edans - 1 mg1 mg AS-62230 264.00Add to cart
Bacterial Sortase Substrate III, Abz/DNP - 1 mg1 mg AS-63717 237.00Add to cart
Bacterial type I signal Peptidase FRET Substrate - 1 mg1 mg AS-64916 193.00Add to cart
CFP10 (71#85) - 1 mg1 mg AS-61689 93.00Add to cart
CSP-1, Competence-Stimulating Peptide-1 - 1 mg1 mg AS-63779 105.00Add to cart
flg22, Flagellin Fragment - 1 mg1 mg AS-62633 181.00Add to cart
HCAM-2, pertussis toxin substrate - 1 mg1 mg AS-62058 303.00Add to cart
LLO (91-99), Listeria monocytogenes Listeriolysin O - 1 mg1 mg AS-64870 77.00Add to cart
Staphylococcal Enterotoxin B Domain (SEB) (144-153) - 1 mg1 mg AS-63835 77.00Add to cart
Reference Name Sequence MW (Da)
AS-64870 Listeria monocytogenes Listeriolysin O (91-99) GYKDGNEYI 1058,1
AS-62425 Mycobacterium tuberculosis Protein Ag85A LTSELPGWLQANRHVKPTGS 2191,5
AS-61066 Bactenecin, bovine RLCRIVVIRVCR (Disulfide bridge: 3-11) 1483,9
AS-62231 Bacterial Sortase Substrate I, FRET DABCYL-LPETG-EDANS 1015,2
AS-62230 Bacterial Sortase Substrate II , Dabcyl/Edans Dabcyl-QALPETGEE-Edans 1472,6
AS-63717 Bacterial Sortase Substrate III, Abz/DNP Abz-LPETG-K(Dnp)-NH2 928
AS-61689 CFP10 (71–85) EISTNIRQAGVQYSR 1721,9
AS-63779 CSP-1, Competence Stimulating Peptide-1 EMRLSKFFRDFILQRKK 2242,7
AS-62633 flg22, Flagellin Fragment QRLSTGSRINSAKDDAAGLQIA 2272,5
AS-64916 SPase I FRET Substrate Dabcyl-AGHDAHASET-Edans 1494,6
AS-63835 Staphylococcal Enterotoxin B Domain (SEB) (144-153) KKKVTAQELD 1159,4
AS-60774 Ala-gamma-D-Glu-DAP A-(y-e)-DAP 390,4
Reference Name Description
AS-64808 Listeria monocytogenes Listeriolysin O (296-304) This peptide is the H2-Kb-restricted epitope of Listeriolysin O (LLO). LLO is necessary for Listeria monocytogenes to escape the vacuoles of host cells and enter the cytoplasm during infection, providing the appropriate cytosolic signal to elicit long-term protective immunity by memory T-cells.
AS-64870 Listeria monocytogenes Listeriolysin O (91-99) This peptide is the H2-Kd-restricted epitope of Listeriolysin O (LLO). LLO is necessary for Listeria monocytogenes to escape the vacuoles of host cells and enter the cytoplasm during infection. This fragment has been shown to be a potential vaccine candidate against L. monocytogenes by eliciting a CTL response in vivo.
AS-64873 Listeria monocytogenes Listeriolysin O (189-200) This peptide is a dominant, H2-Kb-restricted epitope of Listeriolysin O (LLO). LLO is necessary for Listeria monocytogenes to escape the vacuoles of host cells and enter the cytoplasm during infection.
AS-64872 Listeria monocytogenes Protein P60 (217-225) P60 amino acids 217 to 225 is a dominant, H2-Kd-restricted epitope presented during Listeria monocytogenes infection.
AS-62425 Mycobacterium tuberculosis Protein Ag85A This is a T-cell immunodominant CD8 peptide of the Ag85A Mycobacterium tuberculosis protein, MHC class I H-2Ld-restricted epitope. Because parenterally administered Mycobacterium bovis BCG vaccine confers only limited immune protection from pulmonary tuberculosis, intranasal administration of vector expressing AdAg85A represents an effective way to boost immune protection by parenteral BCG vaccination.
AS-62424 Mycobacterium tuberculosis Protein Ag85A-CD8 This is a T-cell immunodominant CD8 peptide of Ag85A Mycobacterium tuberculosis protein, MHC class I H-2Ld-restricted epitope. Because parenterally administered Mycobacterium bovis BCG vaccine confers only limited immune protection from pulmonary tuberculosis, intranasal administration of vector expressing AdAg85A represents an effective way to boost immune protection by parenteral BCG vaccination.
AS-62550 P. falciparum LSA3-NRI This peptide is a fragment of Plasmodium falciparum liver-stage antigen 3 (LSA3), T9-96 clone, a preerythrocytic antigen that induces protection against malaria in chimpanzees. The development of a malaria preerythrocytic vaccine has been greatly influenced by the observation that sterile immunity could be experimentally induced in humans by immunization with Plasmodium falciparum radiation-attenuated sporozoites.
AS-62549/62551 P. falciparum LSA3-NRII, (81-106) This peptide is aas 81-106 of the Plasmodium falciparum liver-stage antigen 3 (LSA3), a preerythrocytic antigen that induces protection against malaria in chimpanzees. The T-cell lines derived from infected chimpanzees show cytolytic activity against LSA3-NRII. The long-term CTL responses are particularly stable for this LSA3-NRII peptide, which is detected even 9 months after the final immunization.
AS-63838 Ag85b (199-207), M. tuberculosis This is a tuberculosis antigen peptide. It binds to HLA-A2.
AS-64242 Agr D1 thiolactone In Gram-positive bacteria, such as in Staphylococcus aureus, the physiological changes in the bacterial population are dependent on specific cell densities and growth phases (known as quorum sensing).  Specifically, S. aureus use quorum sensing to control the expression of exoproteins implicated in virulence through the Agr (accessory gene regulator) locus.  The Agr system is activated by an accumulation of extracellular mature peptide signals known as autoinducing peptides (AIPs).  S. aureus have four distinct Agr groups, which exhibit bacterial interference.  Each Agr group synthesizes a discrete AIP sequence.  All four AIP sequences are composed of seven to nine amino acids and have a thiolactone ring in the C-terminal five residues through a cysteine side chain.
AS-64354 Agr D2 thiolactone In Gram-positive bacteria, such as in Staphylococcus aureus, the physiological changes in the bacterial population are dependent on specific cell densities and growth phases (known as quorum sensing).  Specifically, S. aureus use quorum sensing to control the expression of exoproteins implicated in virulence through the Agr (accessory gene regulator) locus.  The Agr system is activated by an accumulation of extracellular mature peptide signals known as autoinducing peptides (AIPs).  S. aureus have four distinct Agr groups, which exhibit bacterial interference.  Each Agr group synthesizes a discrete AIP sequence.  All four AIP sequences are composed of seven to nine amino acids and have a thiolactone ring in the C-terminal five residues through a cysteine side chain.
AS-61066 Bactenecin, bovine Bactenecin is a 12-amino acid cationic antimicrobial peptide from bovine neutrophils.
AS-62231 Bacterial Sortase Substrate I, FRET This 5-amino acid peptide is a sortase substrate, C-terminal sorting signal. Sortase cleaves surface proteins at the LPXTG motif and catalyzes the formation of an amide bond between the carboxyl group of threonine and the amino group of cell-wall crossbridges. Sortases are a family of Gram-positive transpeptidases responsible for anchoring surface protein virulence factors to the peptidoglycan cell wall layer. Cleavage of this FRET substrate by sortase reveals the fluorescent signal, Abs/Em = 340/490 nm.
AS-62230 Bacterial Sortase Substrate II , Dabcyl/Edans This peptide is a C-term surface sorting signal with a conserved LPXTG motif, labeled with the Dabcyl/Edans FRET pair. Sortase cleaves surface proteins at the LPXTG motif and catalyzes the formation of an amide bond between the carboxyl group of threonine and the amino group of cell-wall crossbridges. Sortases are a family of Gram-positive transpeptidases responsible for anchoring surface protein virulence factors to the peptidoglycan cell wall layer. Inhibition of the sortase activity is a potential way of treatment of the staphylococcal infection.
AS-63717 Bacterial Sortase Substrate III, Abz/DNP The Staphylococcus aureus transpeptidase Sortase A (SrtA) anchors virulence and colonization-associated surface proteins to the cell wall. SrtA selectively recognizes a C-terminal LPXTG motif. SrtA readily reacts with its native substrate Abz-LPETG-Dap(DNP)-NH2, cleaving it and catalyzing the formation of an amide bond between the carboxyl group of threonine and the amino group of cell-wall crossbridges. Cleavage of this FRET substrate can be monitored at Ex/Em=320 nm/420 nm.
AS-63780 BIP-1, Bacteriocin Inducing Peptide-1 This bacteriocin inducing peptide-1 (BIP-1) pheromone is secreted by Streptococcus pneumoniae. It is used in-vivo for intercellular communication. The pheromone activates signal transduction pathway BlpABCSRH, that regulates production of several class II bacteriocins and their immunity proteins.
AS-61689 CFP10 (71–85) This 15-mer peptide is fragment of (CFP)10 protein, which is  secreted from mycobacterium tuberculosis 10-kDa culture filtrate stimulate IFN-γ production and CTL activity by CD4+ and CD8+ cells, from persons expressing a spectrum of MHC molecules. This peptide is an excellent candidate for inclusion in a subunit antituberculosis vaccine. 
AS-61810 CFTR (108-117), P. aeruginosa Inhibitor This peptide represents amino acids 108-117 of the first CFTR (human cystic fibrosis transmembrane conductance regulator) extracellular domain. This peptide has been shown to inhibit internalization of Pseudomonas aeruginosa.
AS-62399 CRGKA, Giardia Variable Surface Proteins Conserved Region This peptide is the specific conserved region of the Giardia variable surface proteins (VSPs). Although VSPs differ in size and sequence, they are characterized by this highly conserved C-terminal membrane spanning region, a hydrophilic cytoplasmic tail with a conserved five amino acid CRGKA signature sequence. VSPs cover the trophozoite plasmalemma and are necessary for survival in the environment and host infection.
AS-63779 CSP-1, Competence Stimulating Peptide-1 Competence stimulating peptide-1 is a 17 amino acids pheromone that is secreted by Streptococcus pneumoniae. CSP pheromone is used in-vivo for intercellular communication. This peptide activates signal transduction pathway ComABCDE, which regulates natural genetic transformation. The pheromone is ribosomally synthesized as precursor peptide. The mature pheromone is strain specific. CSP pheromone is produced by S. pneumoniae strain Rx, which is closely related to strain R6.
AS-62634 flg15, Flagellin Fragment This is 15 amino acids flagellin peptide known as flg15. It spans the core domain necessary for binding and biological activity in plant cells. This peptide spanning the 15 amino acids in the core of the conserved domain induces responses after treatment with fungal elicitors such as chitin fragments, xylanase, ergosterol, and high-mannose–type glycopeptides when applied in subnanomolar concentrations. Flagellin is the structural protein that forms the major portion of flagellar filaments. It is an elicitor of defense-related responses in cells from various plant species. Flagellins from different bacterial species vary in their central part but show conservation of their N-terminal and C-terminal regions
AS-62635 flg15-delta-4, Flagellin Fragment This is 11 amino acids flagellin peptide is known as flg15-delta-4. It is a protein subunit building up the filament of the bacterial flagellum, an elicitor of defense-related responses in cells from various plant species. flg15-delta-4 acts as a potent antagonist for flagellin elicitors.
AS-62633 flg22, Flagellin Fragment This is 22 amino acids flagellin peptide known as flg2. It spans the core domain necessary for binding and biological activity in plant cells. This peptide spanning the 22 amino acids in the core of the conserved domain induces responses after treatment with fungal elicitors such as chitin fragments, xylanase, ergosterol, and high-mannose–type glycopeptides when applied in subnanomolar concentrations. Flagellin is the structural protein that forms the major portion of flagellar filaments. Flagellins from different bacterial species vary in their central part but show conservation of their N-terminal and C-terminal regions.
AS-62058 HCAM-2 A pertussis toxin (PTx) enzyme substrate that is labeled with 6-FAM (6-carboxyfluorescein), Abs/Em=494 nm/521 nm.
AS-65296 LemA (1-6), formylated, Lysteria monocytogenes This peptide represents the immunogenic N-terminal of bacterial product lemA from Lysteria monocytogenes. Lysteria infection generates H2-M3-restricted CD8 T cells specific for this peptide.
AS-60632 Lethal Factor (LF) Inhibitor Anthrax related This peptide is a potent inhibitor of LF mediated anthrax disease development.
AS-60631 LF 20 Consensus Peptide. Anthrax Related Lethal Factor Encapsulated gram-positive bacterium, Bacillus anthracis, secretes three anthrax toxin proteins that contribute to pathogenesis, Protective Antigen (PA), Lethal Factor (LF) and Edema Factor (EF). LF is a metalloprotease that targets MAPK kinases. This peptide substrate for the anthrax lethal factor incorporates the consensus residues P5-P4.
AS-62818 Lysosomal Integral Membrane Protein LIMP-2 LIMP-2 is a member of the CD36 family. This gene family is evolutionary conserved and includes cell adhesion molecules and lipid receptors at the cell surface as well as lysosomal membrane proteins. This sequence was used for the generation anti-LIMP-2 antibody to detect bacterial phagocytosis.
AS-61104 MSP-1 (20-39), Merozoite Surface Peptide 1 This major merozoite surface protein 1 (MSP-1) is currently one of the leading Malaria vaccine candidate antigens. This fragment, located at amino acid positions 20 to 39, contains both T- and B-cell epitopes.
AS-61067 MSP-1 P2, Malaria Merozoite Surface Peptide-1 This peptide is a fragment of malaria Merozoite Protein 1, MSP-1 (codons 250–271), a malaria vaccine candidate designated P2. It is used to assess T cell response to N-terminal region of MSP-1.
AS-61068 MSP-1 P3, Malaria Merozoite Surface Peptide-1 This N-terminal region fragment of Malaria, Merozoite Surface Protein (codons 1101–1121), is a malaria vaccine candidate designated as P3. It is used to assess T cell response to the N-terminal region of major merozoite surface protein 1 (MSP-1).
AS-60188 N-10 Region of TRAP Thrombospondin-related anonymous protein (TRAP) is required for sporozoite of Plasmodium gliding motility and cell invasion. This sequence is conserved among many species.
AS-64580 OspA, Outer Surface Protein-A Peptide This 15-mer Outer Surface Protein-A Peptide (OspA) is a lipoprotein antigen of Piscirickettsia salmonis.
AS-61685 P38 (411-425), M. leprae This peptide, a mycobacterial (M) heat shock protein (HSP65) epitope, is cross reactive between the M. tuberculosis and M. leprae HSP65. The mycobacterial 65-kDa HSP65 is among the antigens recognized by M. leprae- and M. tuberculosis-reactive human CD4+ T cells. 
AS-61686 P61 (343-355), M. leprae This peptide belongs to the 343 to 355 amino acids fragment of the mycobacterial leprae heat shock protein  (M. leprae HSP65)-specific epitope recognized by human T cells belonging to the Mycobacterium leprae memory repertoire. It shows no crossreactivity with the M. tuberculosis
AS-61687 P62 (417-429), M. leprae This sequence belongs to mycobacterial leprae heat shock protein (M. leprae HSP65) recognized by T-cell clones which differs from the M. tuberculosis HSP65 sequence by two amino acids. It shows no crossreactivity with the M. tuberculosis epitope. 
AS-61688 P69 (522-534), M. leprae A Mycobacteria leprae heat shock protein  (M. leprae HSP65)-specific epitope. This peptide is recognized by M. leprae HSP65-reactive CD4+ T-cell clones.
AS-65318 Polymorphic Membrane Protein G (299-315), Chlamydia muridarum This peptide is an immunodominant epitope derived from the polymorphic membrane protein G (pMPG) of Chlamydia muridarumi. Treatment with this peptide elicits an interferon (IFN)-g immune response and provides resistance to lung and genital tract infections by Chlamydia.  * Not for human use *
AS-62130 PyCSP (57–70) This peptide causes CD4+ T cell proliferation and cytokine responses. P. yoelii (Py) infects laboratory mice and has provided a useful model for studying antimalarial immunity. This peptide was used in the malaria vaccine development studies.
AS-27047/27048 SKIGKV-NH2 This peptide is related to the gastric pathogen, Helicobacter pylori.
AS-64916 SPase I FRET Substrate This is a type I signal peptidase (SPase1) substrate peptide labeled with EDANS/ DABCYL FRET pair, and contains a crucial cleavage site derived from the C-terminal region of the Staphylococcus epidermidis pre-SceD protein. Abs/Em = 340/490 nm.
AS-63835 Staphylococcal Enterotoxin B Domain (SEB) (144-153) This peptide is Staphylococcal Enterotoxin B domain (SEB) amino acid residue 163-172. This peptide sequence is highly conserved. It has been shown to inhibit transcytosis of multiple staphylococcal enterotoxins, SEA, SEE, and TSST-1.
AS-60774 Ala-gamma-D-Glu-DAP This peptide, with the diaminopimelic acid coupled to the γ-carboxylic acid of the D-isomer of Glu, stimulates Nod1-dependent apoptosis.
AS-65391 Ag85B (240-254), Mycobacterium tuberculosis This peptide represents an immunodominant epitope of secreted antigen 85B of Mycobacterium tuberculosis that is capable of eliciting CD4+ T helper (Th) 1 differentiation. Transcutaneous peptide immunization with this peptide can activate pre-existing memory Th1 cells and may be targeted to enhance antitumor CTL response in cancer patients.
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