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Amyloid Peptides

Definition
Amyloids are filamentous protein deposits ranging in size from nanometres to microns and composed of aggregated peptide beta-sheets formed from parallel or anti-parallel alignments of peptide beta-strands.

Structural Characteristics
Using Solid-State NMR (SSNMR), in conjunction with computational energy minimization procedures, Tycko and coworkers have put forward a structure of the amyloid fibrils formed from the 40-residue form of the amyloid ß peptide (Aß1-40) at pH 7.4 and 24oC under quiescent conditions1, 2, 3. In this structure, each Aß1-40 molecule contributes a pair of ß-strands, spanning approximately residues 12–24 and 30–40, to the core region of the fibrils. These strands, connected by the loop 25–29, are not part of the same ß-sheet, however, but participate in the formation of two distinct ß-sheets within the same protofilament. The different Aß molecules2, 3 are stacked on to each other, in a parallel arrangement and in register, at least from residue 9 to 39. By invoking additional experimental constraints, such as the diameter of the protofilaments observed using Transmission electron microscopy (TEM), and the mass per unit length, measured by means of scanning transmission electron microscopy (STEM) 1, 2 it has been suggested that a single protofilament is composed of four ß-sheets separated by distances of ~10 Å.

Mode of Action
Alzheimer's disease (AD) is a result of filamentous deposits of amyloid, which define the disease at the molecular level, occur within perikarya, axons, dendrites, and terminals of neurons as neurofibrillary tangles (NFT), in the extracellular neuropil as amyloid plaques (APC), and around blood vessels as amyloid congophilic angiopathy (ACA). The amyloid deposits apparently occur in the terminal zones of neurons that develop NFT. It has been suggested that the major constituent of both APC and ACA has been shown to be a 4.5-kDa amyloid protein originally termed "beta-protein" or "amyloid A4" which we now denote as "beta A4." Amyloid beta A4 protein is proteolytically derived from a transmembrane protein termed amyloid precursor protein (APP) which is encoded by a widely expressed gene on chromosome 214.

Functions

Calcium dysregulation and membrane disruption as a ubiquitous neurotoxic mechanism of soluble amyloid oligomers: A study was conducted to investigate the possible involvement of Ca2+ signaling disruptions in amyloid-induced cytotoxicity, homogeneous preparations of disease-related amyloids (beta, prion, islet amyloid polypeptide, polyglutamine, and lysozyme) in various aggregation states were made and tested their actions on fluo-3-loaded SH-SY5Y cells. Application of oligomeric forms of all amyloids tested (0.6-6 µg /ml) rapidly (approximately 5 s) elevated intracellular Ca2+, whereas equivalent amounts of monomers and fibrils did not. Ca2+signals evoked by Abeta42 oligomers persisted after depletion of intracellular Ca2+ stores, and small signals remained in Ca2+-free medium, indicating contributions from both extracellular and intracellular Ca2+ sources. The increased membrane permeability to Ca2+ cannot be attributed to activation of endogenous Ca2+ channels, because responses were unaffected by the potent Ca2+-channel blocker cobalt. Instead, observations that Abeta42 and other oligomers caused rapid cellular leakage of anionic fluorescent dyes point to a generalized increase in membrane permeability. The resulting unregulated flux of ions and molecules may provide a common mechanism for oligomer-mediated toxicity in many amyloidogenic diseases, with dysregulation of Ca2+ ions playing a crucial role because of their strong trans-membrane concentration gradient and involvement in cell dysfunction and death 5.

Islet amyloid in type 2 diabetes, and the toxic oligomer hypothesis: Type 2 diabetes (T2DM) is characterized by insulin resistance, defective insulin secretion, loss of beta-cell mass with increased beta-cell apoptosis and islet amyloid. The islet amyloid is derived from islet amyloid polypeptide (IAPP, amylin), a protein coexpressed and cosecreted with insulin by pancreatic beta-cells. In common with other amyloidogenic proteins, IAPP has the propensity to form membrane permeant toxic oligomers. Accumulating evidence suggests that these toxic oligomers, rather than the extracellular amyloid form of these proteins, are responsible for loss of neurons in neurodegenerative diseases. It has been suggested that formation of intracellular IAPP oligomers may contribute to beta-cell loss in T2DM6.

References

 

1.     Petkova AT, Ishii Y, Balbach JJ, Antzutkin ON, Leapman RD, Delaglio F, Tycko R (2002). A structural model for Alzheimer's ß-amyloid fibrils based on experimental constraints from solid state NMR. PN AS., 99(26):16742–16747.

2.     Antzutkin ON, Balbach JJ, Leapman RD, Rizzo NW, Reed J, Tycko R (2000). Multiple quantum solid-state NMR indicates a parallel, not antiparallel, organization of ß-sheets in Alzheimer's ß-amyloid fibrils. PNAS., 97:13045-13050.

3.     Balbach JJ, Petkova AT, Oyler NA, Antzutkin ON, Gordon DJ, Meredith SC, Tycko R (2002). Supramolecular Structure in Full-Length Alzheimer's ß-Amyloid Fibrils: Evidence for a Parallel ß-Sheet Organization from Solid-State Nuclear Magnetic Resonance. Biophys. J., 83:1205-1216.

4.     Beyreuther K, Bush AI, Dyrks T, Hilbich C, König G, Mönning U, Multhaup G, Prior R, Rumble B, Schubert W (1991). Mechanisms of amyloid deposition in Alzheimer's disease. Ann N Y Acad Sci., 640:129-139.

5.     Demuro A, Mina E, Kayed R, Milton SC, Parker I, Glabe CG (2005). Calcium dysregulation and membrane disruption as a ubiquitous neurotoxic mechanism of soluble amyloid oligomers. J. Biol. Chem., 280(17):17294-17300.

6.     Haataja L, Gurlo T, Huang CJ, Butler PC (2008). Islet amyloid in type 2 diabetes, and the toxic oligomer hypothesis. Endocr. Rev., 29(3):303-316.

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Product Name Catalog # Unit Price/Unit 
[Asn23] - β- Amyloid (1 - 40), (D23N), Iowa Mutation
DAEFRHDSGYEVHHQKLVFFAENVGSNKGAIIGLMVGGVV
10275-01 1 mg $295 cart inquire
[Gly21] - beta - Amyloid (1 - 40), A21G, Flemish Mutation
DAEFRHDSGYEVHHQKLVFFGEDVGSNKGAIIGLMVGGVV
13753-01 1 mg $295 cart inquire
26 - O - acyl isoA beta (1 - 42)
DAEFRHDSGYEVHHQKLVFFAEDVGj(COO)SNKGAIIGLMVGGVVIA
10194-005 0.5 mg $495 cart inquire
5 - FAM - beta - Amyloid (1 - 40) - Lys(LC - bioti
5-FAM-DAEFRHDSGYEVHHQKLVFFAEDVGSNKGAIIGLMVGGVV-K(LC-BIOTIN)-CONH2
10237-001 0.1 mg $445 cart inquire
5 - FAM - beta - Amyloid (1 - 42) - K(5 - FAM), amide
5-FAM-DAEFRHDSGYEVHHQKLVFFAEDVGSNKGAIIGLMVGGVVIA-K(5-FAM)-CONH2
13773-001 0.1 mg $403 cart inquire
Abeta - DIP (183 - 196)
AEIPEEHIPHQQIQ
13932-01 1 mg $193 cart inquire
AceAcetyl-(Pro18,Asp21)-Amyloid beta-Protein (17-21) amide
Ac-LPFFD-CONH2
10204-01 1 mg $205 cart inquire
Acetyl - beta - Amyloid (15 - 20)
Ac-QKLVFF
10149-01 1 mg $210 cart inquire
Acetyl - beta - Amyloid (20 - 29), amide
Ac-FAEDVGSNKG-CONH2
10153-01 1 mg $205 cart inquire
Acetyl - [Pro18, NMePhe19] beta - Amyloid (17 - 21)
Ac-LP-(NMe-F)-FD-CONH2
10186-01 1 mg $320 cart inquire
[Ac - Lys(Me)16, N - Me - Val18] - beta - Amyloid (16 - 20) - NH2
Ac-K(Me)-L-(N-Me-V)-FF-CONH2
13814-01 1 mg $232 cart inquire
Activity - Dependent Neurotrophic Factor, ADNF   N
SALLRSIPA
10227-01 1 mg $200 cart inquire
AGA - (C8R) HNG17, Humanin derivative
PAGASRLLLLTGEIDLP
10226-01 1 mg $235 cart inquire
[Ala10]- β - Amyloid (1 - 10)
DAEFRHDSGA-CONH2
10268-01 1 mg $210 cart inquire
[Ala18] - beta - Amyloid (1 - 42); V18A beta - Amyloid (1 - 42)
DAEFRHDSGYEVHHQKLAFFAEDVGSNKGAIIGLMVGGVVIA
13786-01 1 mg $485 cart inquire
[Ala20]-β-Amyloid (1 - 42)
DAEFRHDSGYEVHHQKLVFAAEDVGSNKGAIIGLMVGGVVIA
10287-005 0.5 mg $390 cart inquire
[Ala22] - beta - Amyloid (1 - 42); E22A beta - Amyloid (1 - 42)
DAEFRHDSGYEVHHQKLVFFAADVGSNKGAIIGLMVGGVVIA
13788-01 1 mg $485 cart inquire
[Ala23] - beta - Amyloid (1 - 42); D23A beta - Amyloid (1 - 42)
DAEFRHDSGYEVHHQKLVFFAEAVGSNKGAIIGLMVGGVVIA
13789-01 1 mg $485 cart inquire
[Ala25] - beta - Amyloid (1 - 42); G25A beta - Amyloid (1 - 42)
DAEFRHDSGYEVHHQKLVFFAEDVASNKGAIIGLMVGGVVIA
13778-01 1 mg $485 cart inquire
[Ala27] - beta - Amyloid (1 - 42); N27A beta - Amyloid (1 - 42)
DAEFRHDSGYEVHHQKLVFFAEDVGSAKGAIIGLMVGGVVIA
13787-01 1 mg $485 cart inquire
[Ala28]-β-Amyloid (1 - 40)
DAEFRHDSGYEVHHQALVFFAEDVGSNAGAIIGLMVGGVV
10243-005 0.5 mg $500 cart inquire
[Ala28]-beta-Amyloid (1-42); K28A beta-Amyloid (1-42)
DAEFRHDSGYEVHHQKLVFFAEDVGSNAGAIIGLMVGGVVIA
13779-01 1 mg $485 cart inquire
[Ala29] - beta - Amyloid (1 - 42); G29A beta - Amyloid (1 - 42)
DAEFRHDSGYEVHHQKLVFFAEDVGSNKAAIIGLMVGGVVIA
13783-01 1 mg $485 cart inquire
[Ala31] - beta - Amyloid (1 - 42); I31A beta - Amyloid (1 - 42)
DAEFRHDSGYEVHHQKLVFFAEDVGSNKGAAIGLMVGGVVIA
13777-01 1 mg $485 cart inquire
[Ala34]-β-Amyloid (1 - 34)
DAEFRHDSGYEVHHQKLVFFAEDVGSNKGAIIGA
10274-01 1 mg $395 cart inquire
[Ala37] - b - Amyloid (1 - 40); G37A b - Amyloid (1 - 40)
DAEFRHDSGYEVHHQKLVFFAEDVGSNKGAIIGLMVAGVV
13739-01 1 mg $350 cart inquire
[Ala37] - beta - Amyloid (1 - 42); G37A beta - Amyloid (1 - 42)
DAEFRHDSGYEVHHQKLVFFAEDVGSNKGAIIGLMVAGVVIA
13790-01 1 mg $485 cart inquire
[Ala38] - beta - Amyloid (1 - 40); G38A beta - Amyloid (1 - 40)
DAEFRHDSGYEVHHQKLVFFAEDVGSNKGAIIGLMVGAVV
13740-01 1 mg $375 cart inquire
[Ala8] - Humanin, [Ala8] - HN, sHNA
MAPRGFSALLLLTSEIDLPVKRRA
10191-01 1 mg $215 cart inquire
α-Secretase Substrate 1
Mca-HQKLVFFAK(Dnp)
10166-01 1 mg $450 cart inquire
Amyloid Bri (1 - 23)  NEW
EASNCFAIRHFENKFAVETLICS-OH
14262-01 1 mg $196 cart inquire
Amyloid Bri (1 - 34)  NEW
EASNCFAIRHFENKFAVETLICSRTVKKNIIEEN-OH
14263-01 1 mg $250 cart inquire
Amyloid - Forming Peptide GNNQQNY
GNNQQNY
13933-01 1 mg $120 cart inquire
Amyloid Precursor - Like Protein 1, APLP1 (594 - 610)
GGGSLIVLSLLLLRKKK
13917-01 1 mg $210 cart inquire
Amyloid Precursor Protein (APP) (44 - 62)
HMNVQNGKWDSDPSGTKTC
10255-01 1 mg $300 cart inquire
Amyloid Precursor Protein (APP) (667 - 676)
SEVKMDAEFR
10263-01 1 mg $200 cart inquire
Amyloid Precursor Protein (APP) (667 - 676), Dnp - labeled
SEVKMDAEFR-DAP(DNP)-KK
10265-01 1 mg $430 cart inquire
Amyloid Precursor Protein, (APP) (667 - 676), FRET
Mca-SEVKMDAEFR-Dap(Dnp)-CONH2
10266-01 1 mg $460 cart inquire
Amyloid Precursor Protein (APP) (667 - 676), Swedi
SEVNLDAEFR
10262-01 1 mg $200 cart inquire
Amyloid Precursor Protein, (APP) (721 - 770)
VMLKKKQYTSIHHGVVEVDAAVTPEERHLSKMQQNGYENPTYKFFEQMQN
13916-005 0.5 mg $457 cart inquire
Amyloid Precursor Protein (APP) (741 - 770)
AVTPEERHLSKMQQNGYENPTYKFFEQMQN
13915-01 1 mg $381 cart inquire
Amyloid Toxicity Inhibitor Peptide 11
RGTFEGKF-CONH2
13910-01 1 mg $171 cart inquire
Amyloid Toxicity Inhibitor Peptide 110
RGTWEGKW-CONH2
13911-01 1 mg $171 cart inquire
Amyloid Toxicity Inhibitor Peptide 111
RGTYEGKY-CONH2
13912-01 1 mg $171 cart inquire
Amyloid Toxicity Inhibitor Peptide 13
RGTLEGKL-CONH2
13913-01 1 mg $171 cart inquire
Anti - Parallel Topology beta - Amyloid Modified Peptide II
CHQKLVFFAEDYNGKHQKLVFFAED
10222-01 1 mg $315 cart inquire
[Arg13] - beta - Amyloid (1 - 42); H13R beta - Amyloid (1 - 42)
DAEFRHDSGYEVRHQKLVFFAEDVGSNKGAIIGLMVGGVVIA
13791-01 1 mg $485 cart inquire
[Arg666, Glu667, Asn670, Leu671,Lys676, Arg677]
RE(EDANS)EVNLDAEFK(DABCYL)R
10279-005 0.5 mg $320 cart inquire
[Arg6]-beta-Amyloid (1-40), English Mutation, Human
DAEFRRDSGYEVHHQKLVFFAEDVGSNKGAIIGLMVGGVV
13741-01 1 mg $295 cart inquire
[Arg6]-beta-Amyloid (1-40), English Mutation, Human-13741-005
DAEFRRDSGYEVHHQKLVFFAEDVGSNKGAIIGLMVGGVV
13741-005 0.5 mg $235 cart inquire
[Arg6] - beta - Amyloid (1 - 42), English Mutation, human
DAEFRRDSGYEVHHQKLVFFAEDVGSNKGAIIGLMVGGVVIA
13793-005 0.5 mg $260 cart inquire
[Asn23] - β- Amyloid (1 - 40), (D23N), Iowa Mutation (10275-005)
DAEFRHDSGYEVHHQKLVFFAENVGSNKGAIIGLMVGGVV
10275-005 0.5 mg $215 cart inquire
[Asn23] - beta - amyloid (1 - 42), Iowa Mutation, human
DAEFRHDSGYEVHHQKLVFFAENVGSNKGAIIGLMVGGVVIA
13794-005 0.5 mg $260 cart inquire
[Asn 6,13,14] -β- Amyloid (1 - 42)
DAEFRNDSGYEVNNQKLVFFAEDVGSNKGAIIGLMVGGVVIA
10235-001 0.1 mg $245 cart inquire
[Asn7]-beta-Amyloid (1-40), Tottori-Japanese Mutation-13742-005
DAEFRHNSGYEVHHQKLVFFAEDVGSNKGAIIGLMVGGVV
13742-005 0.5 mg $235 cart inquire
[Asn7]-beta-Amyloid (1-40), Tottori-Japanese Mutation
DAEFRHNSGYEVHHQKLVFFAEDVGSNKGAIIGLMVGGVV
13742-01 1 mg $295 cart inquire
[Asn7] - beta - Amyloid (1 - 42), Tottori - Japanese Mutation
DAEFRHNSGYEVHHQKLVFFAEDVGSNKGAIIGLMVGGVVIA
13795-005 0.5 mg $260 cart inquire
[Asp22] - beta - Amyloid (1 - 42); E22D beta - Amyloid (1 - 42)
DAEFRHDSGYEVHHQKLVFFADDVGSNKGAIIGLMVGGVVIA
13782-01 1 mg $485 cart inquire
[Asp37] - beta - Amyloid (1 - 42)
DAEFRHDSGYEVHHQKLVFFAEDVGSNKGAIIGLMVDGVVIA
13796-005 0.5 mg $391 cart inquire
Beta - Amyloid (10 - 19)
YEVHHQKLVF
13836-01 1 mg $177 cart inquire
β-Amyloid (10 - 20)
YEVHHQKLVFF
10123-01 1 mg $120 cart inquire
Beta - Amyloid (10 - 26)
YEVHHQKLVFFAEDVGS
13837-01 1 mg $120 cart inquire
β-Amyloid (10 - 35)
YEVHHQKLVFFAEDVGSNKGAIIGLM
10229-01 1 mg $300 cart inquire
Beta - Amyloid (10 - 35) - Lys(Biotin) - NH2
YEVHHQKLVFFAEDVGSNKGAIIGLM-K(Biotin)-CONH2
13838-001 0.1 mg $221 cart inquire
Beta - Amyloid (10 - 35) - Lys(Biotin) - NH2, Human
YEVHHQKLVFFAEDVGSNKGAIIGLM - K(Biotin) - NH2
10229-001 0.1 mg $116 cart inquire
Beta - Amyloid (1 - 10)
DAEFRHDSGY
13819-01 1 $129 cart inquire
Beta - Amyloid (1 - 10) - Cys
DAEFRHDSGYC
13820-01 1 mg $183 cart inquire
Beta - Amyloid (1 - 10), mouse, rat
DAEFGHDSGF
13893-01 1 mg $193 cart inquire
β-Amyloid (1 - 11)
DAEFRHDSGYE
10078-01 1mg $120 cart inquire
Beta - Amyloid (11 - 17)
EVHHQKL
13839-01 1 mg $120 cart inquire
β-Amyloid (1 - 11) - Lys (Biotin)
DAEFRHDSGY-K(Biotin)
10271-01 1 mg $350 cart inquire
Beta - Amyloid (1 - 12)
DAEFRHDSGYEV
13821-01 1 mg $120 cart inquire
β-Amyloid (11 - 22)
EVHHQKLVFFAE
10100-01 1 mg $120 cart inquire
Beta - Amyloid (11 - 25)
EVHHQKLVFFAEDVG
13840-01 1 mg $120 cart inquire
β-Amyloid (11 - 28) - Lys (Biotin) - NH2
EVHHQKLVFFAEDVGSNK-K(Biotin)-CONH2
10300-005 0.5 mg $400 cart inquire
Beta - Amyloid (11 - 28), mouse, rat
EVRHQKLVFFAEDVGSNK
13905-01 1 mg $221 cart inquire
Beta - Amyloid (1 - 12) - Cys
DAEFRHDSGYEVC
13822-01 1 mg $171 cart inquire
Beta - Amyloid (1 - 12) - Cys - NH2
DAEFRHDSGYEVC-CONH2
13823-01 1 mg $171 cart inquire
Beta - Amyloid (1 - 12) - Lys(Biotin) - NH2
DAEFRHDSGYEV-K(Biotin)-CONH2
13824-01 1 mg $221 cart inquire
Beta - Amyloid (1 - 13)
DAEFRHDSGYEVH
13825-01 1 mg $120 cart inquire
Beta - Amyloid (1 - 13), mouse, rat
DAEFGHDSGFEVR
13894-01 1 mg $210 cart inquire
Beta - Amyloid (1 - 14)
DAEFRHDSGYEVHH
13826-01 1 mg $188 cart inquire
β-Amyloid (11 - 40)
EVHHQKLVFFAEDVGSNKGAIIGLMVGGVV
10143-01 1 mg $380 cart inquire
Beta - Amyloid (11 - 40), FAM - labeled
5-FAM-EVHHQKLVFFAEDVGSNKGAIIGLMVGGVV
13766-001 0.1 mg $281 cart inquire
β-Amyloid (11 - 40) - Lys(biotin) - NH2
EVHHQKLVFFAEDVGSNKGAIIGLMVGGVV-K(Biotin)-CONH2
10299-005 0.5 mg $500 cart inquire
Beta - Amyloid (11 - 40), mouse, rat
EVRHQKLVFFAEDVGSNKGAIIGLMVGGVV
13906-01 1 mg $403 cart inquire
Beta - Amyloid (11 - 42), human
EVHHQKLVFFAEDVGSNKGAIIGLMVGGVVIA
13804-01 1 mg $300 cart inquire
Beta - Amyloid (11 - 42), FAM - labeled
5-FAM-EVHHQKLVFFAEDVGSNKGAIIGLMVGGVVIA
13805-001 0.1 mg $281 cart inquire
Beta - Amyloid(11 - 42) - Lys(Biotin) - NH2
EVHHQKLVFFAEDVGSNKGAIIGLMVGGVVIA-K(Biotin)-CONH2
13880-005 0.5 mg $584 cart inquire
β-Amyloid (1 - 15)
DAEFRHDSGYEVHHQ
10215-01 1 mg $120 cart inquire
Beta - Amyloid (1 - 15), biotin - labeled, amide
DAEFRHDSGYEVHHQ-K(biotin)-CONH2
13827-01 1 mg $232 cart inquire
β-Amyloid (1 - 16)
DAEFRHDSGYEVHHQK
10105-01 1 mg $120 cart inquire
Beta - Amyloid (1 - 16) - 8 branched MAPS
DAEFRHDSGYEVHHQK-on 8 branch MAPS
13828-01 1 mg $320 cart inquire
Beta - Amyloid (1 - 16) - Cys
DAEFRHDSGYEVHHQKC
13829-01 1 mg $210 cart inquire
Beta - Amyloid (1 - 16), Human
DAEFRHDSGYEVHHQK
10105-05 5 mg $336 cart inquire
β-Amyloid (1 - 16) - Lys(Biotin - LC) - NH2
DAEFRHDSGYEVHHQK-K(BIOTIN-LC)-CONH2
10296-01 1 mg $360 cart inquire
β-Amyloid (1 - 17)
DAEFRHDSGYEVHHQKL
10232-01 1 mg $120 cart inquire
Beta - Amyloid (1 - 17), FAM - labeled
5-FAM-DAEFRHDSGYEVHHQKL
13830-001 0.1 mg $215 cart inquire
Beta - Amyloid (1 - 17), mouse, rat
DAEFGHDSGFEVRHQKL
13895-01 1 mg $232 cart inquire
β-Amyloid (1 - 20)
DAEFRHDSGYEVHHQKLVFF
10293-01 1 mg $250 cart inquire
Beta - Amyloid (1 - 22)
DAEFRHDSGYEVHHQKLVFFAE
13831-01 1 mg $176 cart inquire
β-Amyloid (12 - 20)
VHHQKLVFF
10200-01 1 mg $200 cart inquire
Beta - Amyloid (12 - 22)
VHHQKLVFFAE
13841-01 1 mg $177 cart inquire
β-Amyloid (12 - 28), Human
VHHQKLVFFAEDVGSNK
10107-01 1 mg $190 cart inquire
β-Amyloid (12 - 28) - Cys
VHHQKLVFFAEDVGSNKC
10096-01 1 mg $660 cart inquire
β-Amyloid (12 - 28), Human (10107-005)
VHHQKLVFFAEDVGSNK
10107-005 0.5 mg $120 cart inquire
Beta - Amyloid (12 - 33), mouse, rat
VRHQKLVFFAEDVGSNKGAIIG
13907-01 1 mg $281 cart inquire
β-Amyloid (12 - 42)
VHHQKLVFFAEDVGSNKGAIIGLMVGGVVIA
10290-01 1 mg $400 cart inquire
Beta - Amyloid (1 - 24) - Cys
DAEFRHDSGYEVHHQKLVFFAEDVC
13832-01 1 mg $281 cart inquire
β-Amyloid (1 - 28), Human
DAEFRHDSGYEVHHQKLVFFAEDVGSNK
10108-01 1 mg $180 cart inquire
β-Amyloid (1 - 28), AMCA - labeled
AMCA-DAEFRHDSGYEVHHQKLVFFAEDVGSNK