A tyrosinated analogue of α-CGRP
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Tyr-α-CGRP (human) (trifluoroacetate salt)

Item No. 24724

Technical Information
Formal Name
N-L-tyrosyl-α-calcitonin gene-related peptide (human), trifluoroacetate salt
CAS Number
124756-98-5
Synonyms
  • [Tyr0]-CGRP (human)
Molecular Formula
C172H276N52O51S2 • XCF3COOH
Formula Weight
Purity
≥95%
A lyophilized powder
Water: 1 mg/ml
SMILES
NC([C@@H](NC([C@@H](NC([C@H](CCCCN)NC([C@H](CO)NC(CNC([C@H](C(C)C)NC([C@H](CC(N)=O)NC([C@@]([C@@H](C)O)([H])NC([C@@H]1CCCN1C([C@H](C(C)C)NC([C@@H](NC([C@H](CC(N)=O)NC([C@H](CC(N)=O)NC([C@H](CCCCN)NC([C@H](C(C)C)NC([C@H](C(C)C)NC(CNC(CNC([C@H](CO)NC([C@H](CCCNC(N)=N)NC([C@H](CO)NC([C@H](CC(C)C)NC([C@H](CC(C)C)NC(CNC([C@@H](NC([C@H](CC(C)C)NC([C@H](CCCNC(N)=N)NC([C@@H](NC([C@@]([C@@H](C)O)([H])NC([C@H](C(C)C)NC([C@@H](N2)CSSC[C@H](NC([C@@H](NC([C@@H](N[H])CC3=CC=C(O)C=C3)=O)C)=O)C(N[C@H](C(N[C@]([C@@H](C)O)([H])C(N[C@H](C(N[C@]([C@@H](C)O)([H])C2=O)=O)C)=O)=O)CC(O)=O)=O)=O)=O)=O)CC4=CN=CN4)=O)=O)=O)C)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)CC5=CC=CC=C5)=O)=O)=O)=O)=O)=O)=O)=O)=O)C)=O)CC6=CC=CC=C6)=O.FC(F)(C(O)=O)F
InChi Code
InChI=1S/C172H276N52O51S2.C2HF3O2/c1-78(2)56-105(196-124(237)70-188-138(243)86(17)193-148(253)106(57-79(3)4)203-146(251)102(44-35-53-185-171(180)181)198-151(256)109(62-97-67-184-77-191-97)209-168(273)136(93(24)231)223-165(270)131(84(13)14)217-160(265)118-76-277-276-75-117(213-140(245)87(18)192-142(247)99(175)59-96-47-49-98(232)50-48-96)159(264)208-113(66-127(240)241)156(261)221-133(90(21)228)166(271)195-89(20)141(246)220-134(91(22)229)169(274)214-118)149(254)204-107(58-80(5)6)150(255)212-116(74-227)158(263)200-103(45-36-54-186-172(182)183)147(252)211-114(72-225)143(248)189-68-123(236)187-69-126(239)215-129(82(9)10)164(269)218-130(83(11)12)163(268)201-101(43-32-34-52-174)145(250)206-110(63-120(176)233)153(258)207-111(64-121(177)234)152(257)205-108(61-95-40-29-26-30-41-95)154(259)219-132(85(15)16)170(275)224-55-37-46-119(224)161(266)222-135(92(23)230)167(272)210-112(65-122(178)235)155(260)216-128(81(7)8)162(267)190-71-125(238)197-115(73-226)157(262)199-100(42-31-33-51-173)144(249)194-88(19)139(244)202-104(137(179)242)60-94-38-27-25-28-39-94;3-2(4,5)1(6)7/h25-30,38-41,47-50,67,77-93,99-119,128-136,225-232H,31-37,42-46,51-66,68-76,173-175H2,1-24H3,(H2,176,233)(H2,177,234)(H2,178,235)(H2,179,242)(H,184,191)(H,187,236)(H,188,243)(H,189,248)(H,190,267)(H,192,247)(H,193,253)(H,194,249)(H,195,271)(H,196,237)(H,197,238)(H,198,256)(H,199,262)(H,200,263)(H,201,268)(H,202,244)(H,203,251)(H,204,254)(H,205,257)(H,206,250)(H,207,258)(H,208,264)(H,209,273)(H,210,272)(H,211,252)(H,212,255)(H,213,245)(H,214,274)(H,215,239)(H,216,260)(H,217,265)(H,218,269)(H,219,259)(H,220,246)(H,221,261)(H,222,266)(H,223,270)(H,240,241)(H4,180,181,185)(H4,182,183,186);(H,6,7)/t86-,87-,88-,89-,90+,91+,92+,93+,99-,100-,101-,102-,103-,104-,105-,106-,107-,108-,109-,110-,111-,112-,113-,114-,115-,116-,117-,118-,119-,128-,129-,130-,131-,132-,133-,134-,135-,136-;/m0./s1
InChi Key
PFCQLQFAXACYAJ-XAGUUDLSSA-N
Shipping & Storage Information
Storage
-20°C
Shipping
Room temperature in continental US; may vary elsewhere
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    Product Description

    Tyr-α-CGRP is an N-terminal extended tyrosinated analogue of α-calcitonin gene-related peptide (α-CGRP; Item No. 24405).1 It binds to amylin receptors AMY1 and AMY3 in COS-7 cells expressing the human receptors (IC50s = 141 and 1.86 nM, respectively).2 Tyr-α-CGRP also binds to and stimulates cAMP accumulation in rat L6 myocytes (IC50 = 4 nM; EC50 = 12 nM).1 It also binds to rat brain and spleen membrane preparations (IC50s = 0.2 and 0.5 nM, respectively), induces positive chronotropic and inotropic effects in isolated right and left guinea pig atria (EC50s = 282 and 74 nM, respectively), and inhibits the twitch response in rat vas deferens (EC50 = 1.9 nM).3

    WARNING This product is not for human or veterinary use.

    References & Product Citations
    Product Description References

    1. Poyner, D.R., Andrew, D.P., Brown, D., et alPharmacological characterization of a receptor for calcitonin gene-related peptide on rat, L6 myocytes. Br. J. Pharmacol. 105(2), 441-447 (1992).

    2. Hay, D.L., Christopoulos, G., Christopoulos, A., et alPharmacological discrimination of calcitonin receptor: Receptor activity-modifying protein complexes. Mol. Pharmacol. 67(5), 1655-1665 (2005).

    3. Dennis, T., Fournier, A., St. Pierre, S., et alStructure-activity profile of calcitonin gene-related peptide in peripheral and brain tissues. Evidence for receptor multiplicity. J. Pharmacol. Exp. Ther. 251(2), 718-725 (1989).