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A fluorogenic peptide substrate that can be used to monitor 20S Immunoproteasome activity, which is excited at 345 nm and emits at 445 nm. This substrate is specific to the immunoproteasome, and is not hydrolyzed efficiently by the constitutive proteasome.
CAT No: R1032
CAS No: 163515-35-3
Synonyms/Alias: Chlorotoxin;163515-35-3;Chlorotoxin TFA;PCN-4282-V;AS-82547;DA-51860;H-DL-Met-DL-Cys(1)-DL-Met-DL-Pro-DL-Cys(2)-DL-Phe-DL-xiThr-DL-xiThr-DL-Asp-DL-His-DL-Gln-DL-Met-DL-Ala-DL-Arg-DL-Lys-DL-Cys(3)-DL-Asp-DL-Asp-DL-Cys(1)-DL-Cys(4)-Gly-Gly-DL-Lys-Gly-DL-Arg-Gly-DL-Lys-DL-Cys(2)-DL-Tyr-Gly-DL-Pro-DL-Gln-DL-Cys(3)-DL-Leu-DL-Cys(4)-DL-Arg-NH2;Met-Cys-Met-Pro-Cys-Phe-Thr-Thr-Asp-His-Gln-Met-Ala-Arg-Lys-Cys-Asp-Asp-Cys-Cys-Gly-Gly-Lys-Gly-Arg-Gly-Lys-Cys-Tyr-Gly-Pro-Gln-Cys- Leu-Cys-Arg-NH2;
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M.F/Formula | C158H249N53O47S11 |
M.W/Mr. | 3996 |
Sequence | One Letter Code:MCMPCFXXDHQMARKCDDCCGGKGRGKCYGPQCLCR Three Letter Code:H-DL-Met-DL-Cys(1)-DL-Met-DL-Pro-DL-Cys(2)-DL-Phe-DL-xiThr-DL-xiThr-DL-Asp-DL-His-DL-Gln-DL-Met-DL-Ala-DL-Arg-DL-Lys-DL-Cys(3)-DL-Asp-DL-Asp-DL-Cys(1)-DL-Cys(4)-Gly-Gly-DL-Lys-Gly-DL-Arg-Gly-DL-Lys-DL-Cys(2)-DL-Tyr-Gly-DL-Pro-DL-Gln-DL-Cys(3)-DL-Leu-DL-Cys(4)-DL-Arg-NH2 |
Appearance | Lyophilized powder |
Purity | >95% |
Source# | Synthetic |
Length | 36 |
Long-term Storage Conditions | Soluble in DMSO |
Shipping Condition | Room temperature in continental US; may vary elsewhere. |
InChI | InChI=1S/C158H249N53O47S11/c1-77(2)55-96-138(241)205-105(144(247)186-86(125(165)228)28-18-47-173-156(166)167)70-264-262-68-103-131(234)177-63-115(217)176-64-116(218)183-87(25-12-15-44-159)128(231)178-65-117(219)184-88(29-19-48-174-157(168)169)129(232)179-66-118(220)185-89(26-13-16-45-160)133(236)202-107-72-267-269-75-110-149(252)195-98(56-81-23-10-9-11-24-81)143(246)208-124(80(5)213)154(257)209-123(79(4)212)153(256)199-102(61-122(226)227)141(244)196-99(58-83-62-172-76-181-83)139(242)189-92(37-39-113(163)215)136(239)190-94(42-53-260-7)132(235)182-78(3)126(229)187-91(30-20-49-175-158(170)171)134(237)188-90(27-14-17-46-161)135(238)203-108(73-266-265-71-106(146(249)193-96)204-137(240)93(38-40-114(164)216)191-151(254)111-31-21-50-210(111)119(221)67-180-130(233)97(194-147(107)250)57-82-33-35-84(214)36-34-82)148(251)198-100(59-120(222)223)140(243)197-101(60-121(224)225)142(245)206-109(150(253)201-103)74-268-263-69-104(200-127(230)85(162)41-52-259-6)145(248)192-95(43-54-261-8)155(258)211-51-22-32-112(211)152(255)207-110/h9-11,23-24,33-36,62,76-80,85-112,123-124,212-214H,12-22,25-32,37-61,63-75,159-162H2,1-8H3,(H2,163,215)(H2,164,216)(H2,165,228)(H,172,181)(H,176,217)(H,177,234)(H,178,231)(H,179,232)(H,180,233)(H,182,235)(H,183,218)(H,184,219)(H,185,220)(H,186,247)(H,187,229)(H,188,237)(H,189,242)(H,190,239)(H,191,254)(H,192,248)(H,193,249)(H,194,250)(H,195,252)(H,196,244)(H,197,243)(H,198,251)(H,199,256)(H,200,230)(H,201,253)(H,202,236)(H,203,238)(H,204,240)(H,205,241)(H,206,245)(H,207,255)(H,208,246)(H,209,257)(H,222,223)(H,224,225)(H,226,227)(H4,166,167,173)(H4,168,169,174)(H4,170,171,175) |
InChI Key | QPAKKWCQMHUHNI-UHFFFAOYSA-N |
Isomeric SMILES | C[C@H]1C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@H]2CSSC[C@H]3C(=O)N[C@H](C(=O)N[C@@H](CSSC[C@H]4C(=O)NCC(=O)NCC(=O)N[C@H](C(=O)NCC(=O)N[C@H](C(=O)NCC(=O)N[C@H](C(=O)N[C@@H](CSSC[C@@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)N1)CCSC)CCC(=O)N)CC5=CNC=N5)CC(=O)O)[C@@H](C)O)[C@@H](C)O)CC6=CC=CC=C6)NC(=O)[C@@H]7CCCN7C(=O)[C@@H](NC(=O)[C@H](CSSC[C@@H](C(=O)N4)NC(=O)[C@@H](NC(=O)[C@@H](NC2=O)CC(=O)O)CC(=O)O)NC(=O)[C@H](CCSC)N)CCSC)C(=O)N[C@H](C(=O)NCC(=O)N8CCC[C@H]8C(=O)N[C@H](C(=O)N3)CCC(=O)N)CC9=CC=C(C=C9)O)CCCCN)CCCNC(=N)N)CCCCN)C(=O)N[C@@H](CCCNC(=N)N)C(=O)N)CC(C)C)CCCCN)CCCNC(=N)N |
BoilingPoint | N/A |
Melting Point | N/A |
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