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Peptide PEG linkers are protease-sensitivity linkers (also called enzymatically cleavable linkers). They comprise of either a di-, tri- or tetra-peptide that is recognized and cleaved by lysosomal enzymes to ensure the intracellular drug release once the ADC antibody-drug conjugates is internalized to the lysosome. The PEG moiety improves the aqueous solubility of the resulting bioconjugate and helps avoid protein aggregation.

AxisPharm has a large collection of PEGylated peptide synthesis reagents in stock. Custom syntheses of peptide PEG are available upon request.

Cat# Name Structure M.W. Purity Pricing
Ala-Ala-Asn-pab Linkers
AP13939Fmoc-Ala-Ala-OH382.4≥95% Pricing
AP13940Fmoc-Ala-Pro-OH408.50≥95% Pricing
AP13941Fmoc-Ala-Ser(Psi(Me,Me)pro)-OH438.50≥95% Pricing
AP14180Ala-Asn(Trt)-PAB550.6≥95% Pricing
AP13871Azido-PEG5-Ala-Ala-Asn-PAB696.80≥95% Pricing
AP10004MC-Ala-Ala-Asn(Trt)-OH709.79≥98% Pricing
AP10020Fmoc-Ala-Ala-Asn(Trt)-OH738.83≥95% Pricing
AP10016Fmoc-Ala-Ala-Asn-PAB-PNP766.75≥95% Pricing
AP10013Fmoc-Ala-Ala-Asn(Trt)-PAB843.97≥95% Pricing
AP13900Fmoc-PEG4-Ala-Ala-Asn-PAB849.00≥95% Pricing
AP13868Azido-PEG4-Ala-Ala-Asn(Trt)-PAB895.00≥95% Pricing
AP13890Mal-PEG4-Ala-Ala-Asn-PAB949.1≥95% Pricing
AP10014Fmoc-Ala-Ala-Asn(Trt)-PAB-PNP1009.07≥95% Pricing
AP13891Fmoc-PEG3-Ala-Ala-Asn(Trt)-PAB1047.20≥95% Pricing
AP13901Fmoc-PEG3-Ala-Ala-Asn(Trt)-PAB-PNP1212.30≥95% Pricing
Bis-sulfone NHS Ester
AP12583Bis-sulfone NHS Ester597.66≥95% Pricing
AP13034Bis-sulfone-PEG4-NHS ester844.95≥95% Pricing
AP13386Bis-sulfone-PEG8-NHS Ester1021.2≥95% Pricing
AP13387Bis-sulfone-PEG12-NHS Ester1197.4≥90% Pricing
Bis-sulfone-PEG-acid
AP12582Bis-sulfone Acid500.58≥95% Pricing
AP13036Bis-sulfone-PEG4-acid747.87≥95% Pricing
AP13037Bis-sulfone-PEG8-acid924.08≥95% Pricing
AP13446Bis-sulfone-PEG12-Acid1100.3≥98% Pricing
Cleavable Peptide
AP11194Azido-PEG3-Val-Cit-PAB-OH608.7≥95% Pricing
AP10695Mal-PEG2-Val-Cit-PAB-OH618.68≥95% Pricing
AP11195Azido-PEG4-Val-Cit-PAB-OH652.75≥95% Pricing
AP11197BCN-PEG3-Val-Cit653.77≥95% Pricing
AP11192Mal-amido-PEG2-Val-Cit-PAB-OH689.77≥95% Pricing
AP10696Mal-PEG4-Val-Cit-PAB-OH706.78≥95% Pricing
AP11196Azido-PEG3-Val-Cit-PAB-PNP773.8≥95% Pricing
AP11198BCN-PEG3-VC-PFP Ester819.82≥95% Pricing
AP11193Mal-amido-PEG2-Val-Cit-PAB-PNP854.87≥95% Pricing
AP11191Mal-PEG4-Val-Cit-PAB-PNP871.9≥95% Pricing
AP13223TCO-PEG4-Val-Cit-PAB-PNP 944.1≥98% Pricing
AP13199DBCO-PEG4-Val-Cit-PAB-PNP1079.2≥98% Pricing
AP13204DBCO-PEG8-Val-Cit-PAB-PNP1255.4≥95% Pricing
AP13201DBCO-PEG4-Val-Cit-PAB-MMAE1658.1≥98% Pricing
DBCO-PEG-peptide
AP13849DBCO-Gly-Gly-Gly598.63≥95% Pricing
AP11144Gly-Gly-Gly-PEG4-DBCO694.79≥95% Pricing
AP14192DBCO-PEG4-Val-Ala-PAB828.00≥95% Pricing
AP14191DBCO-PEG4-MMAF1266.60≥95% Pricing
AP13199DBCO-PEG4-Val-Cit-PAB-PNP1079.2≥98% Pricing
endo-BCN-PEG-peptide
AP12361Gly-PEG3-endo-BCN425.53≥95% Pricing
AP13110Gly-PEG3-BCN425.53≥95% Pricing
AP12360Boc-Gly-PEG3-endo-BCN553.69≥95% Pricing
AP13265endo-BCN-PEG4-Val-Cit-PAB-MMAE1547≥98% Pricing
Gly-Gly
AP13936Boc-Gly-Gly-NHS ester329.30≥95% Pricing
AP14746Gly-Gly-Phe-Gly336.40≥95% Pricing
AP13911SPDP-Gly-Gly-methoxy343.4≥95% Pricing
AP13943Fmoc-Gly-Gly-Gly-OH411.40≥95% Pricing
AP13110Gly-PEG3-BCN425.53≥95% Pricing
AP11871Gly-Gly-Gly-PEG3-TCO515.61≥95% Pricing
AP11854Gly-Gly-Gly-PEG4-methyltetrazine534.57≥95% Pricing
AP13853Picolyl Azide-Gly-Gly-Gly567.60≥95% Pricing
AP13849DBCO-Gly-Gly-Gly598.63≥95% Pricing
AP11144Gly-Gly-Gly-PEG4-DBCO694.79≥95% Pricing
AP14079Biotin Gly-Gly-Gly768.90≥95% Pricing
AP13861APDye 488 Gly-Gly-Gly907.92≥95% Pricing
AP13558Biotin-PEG11-Gly-Gly-Gly-amine942.1≥98% Pricing
AP13559Biotin-PEG12-Gly-Gly-Gly1015.2≥98% Pricing
AP14046APDye 647 Gly-Gly-Gly1232.46≥95% Pricing
AP13263Gly-PEG3-endo-BCN TFA salt453.6≥95% Pricing
AP13413SPDP-Gly-Pro-NHS ester466.5≥95% Pricing
AP13232TCO-PEG4-Fmoc-Gly-Gly-Gly781.9≥95% Pricing
Lipid-PEG-peptide
AP10812N'-Boc-N-(Gly-Oleoyl)-Lys567.80≥95% Pricing
AP10314Oleoyl-Gly-Lys-(m-PEG11)-amine965.32≥95% Pricing
Phe-Lys(Boc)-PAB
AP14619Mc-Phe-Lys(Boc)-PAB691.80≥95% Pricing
AP14620Fmoc-Phe-Lys(Boc)-PAB720.90≥95% Pricing
Pomalidomide-PEG-CH2COOH
AP12999Pomalidomide-PEG2-CH2COOH419.39≥95% Pricing
AP12996Pomalidomide-PEG3-CH2COOH463.44≥95% Pricing
AP12998Pomalidomide-PEG4-CH2COOH507.5≥95% Pricing
TCO-PEG-peptide
AP11871Gly-Gly-Gly-PEG3-TCO515.61≥95% Pricing
AP13232TCO-PEG4-Fmoc-Gly-Gly-Gly781.9≥95% Pricing
Tetrazine-PEG-peptide
AP11854Gly-Gly-Gly-PEG4-methyltetrazine534.57≥95% Pricing
Val-ala linkers
AP13898Fmoc-PEG4-Val-Ala-PAB-PNP928.01≥95% Pricing
AP13070Boc-Val-Ala-OH288.34≥95% Pricing
AP10874Val-Ala-PAB-OH293.36≥95% Pricing
AP131284-Pentynoyl-Val-Ala-PAB-OH373.45≥95% Pricing
AP10878Alloc-Val-Ala-PAB-OH377.44≥95% Pricing
AP14747MC-Val-Ala-OH381.40≥95% Pricing
AP10873Boc-Val-Ala-PAB-OH393.48≥95% Pricing
AP13897Fmoc-Val-Ala-OH410.50≥95% Pricing
AP131296-Azidohexanoyl-Val-Ala-PAB-OH432.52≥95% Pricing
AP12527Mal-Val-Ala-PAB444.48≥95% Pricing
AP10876MC-Val-Ala-PAB-OH486.57≥95% Pricing
AP12525Acid but-2-enecarbonyl-Val-Ala-PAB504.58≥95% Pricing
AP10875Fmoc-Val-Ala-PAB-OH515.60≥95% Pricing
AP125242-bromoacrylic-NH-hexyl-Val-Ala-PAB539.46≥95% Pricing
AP10879Alloc-Val-Ala-PAB-PNP542.54≥95% Pricing
AP10872Boc-Val-Ala-PAB-PNP558.58≥95% Pricing
AP12522Azide-PEG4-Val-Ala-PAB566.65≥95% Pricing
AP12505Alkyne-PEG(4)-Val-Ala-PAB579.68≥95% Pricing
AP13282Mal-PEG4-Val-Ala-PAB620.7≥95% Pricing
AP12528BCN-PEG2-Val-Ala-PAB628.76≥95% Pricing
AP14694Boc-PEG4-Val-Ala-PAB640.8≥95% Pricing
AP10877Mc-Val-Ala-PAB-PNP651.66≥95% Pricing
AP10871Fmoc-Val-Ala-PAB-PNP680.70≥95% Pricing
AP12577Maleimido-PEG4-Val-Ala-PAB691.77≥95% Pricing
AP12875Fmoc-Val-Ala-PAB-PFP725.66≥95% Pricing
AP12590BocNH-Val-Ala-D-glucuronic acid methyl ester725.74≥95% Pricing
AP13869Azido-PEG4-Val-Ala-PAB-PNP731.8≥95% Pricing
AP12823DBCO-C4-Val-Ala-PAB-PNP745.78≥95% Pricing
AP13899Fmoc-PEG4-Val-Ala-PAB762.9≥95% Pricing
AP12832BCN-PEG2-Val-Ala-PAB-NHS769.84≥95% Pricing
AP14695Boc-PEG4-Val-Ala-PAB-PNP805.9≥95% Pricing
AP12856dibromo-MC-Val-Ala-PAB-PNP809.46≥95% Pricing
AP12526BocNH-PEG8-acid-NH-Val-Ala-PAB816.98≥95% Pricing
AP14192DBCO-PEG4-Val-Ala-PAB828.00≥95% Pricing
AP12700Maleimido-PEG4-Val-Ala-PAB-PNP856.87≥95% Pricing
AP12841DBCO-PEG4-Val-Ala-PAB-PNP 993.06≥95% Pricing
AP13281Mal-PEG4-Val-Ala-PAB-PNP 785.8≥95% Pricing
Val-Cit PEG
AP10880Val-Cit-OH274.32≥95% Pricing
AP10881acid-propionylamino-Val-Cit-OH374.39≥95% Pricing
AP10005Boc-Val-Cit-OH374.4≥95% Pricing
AP10884Val-Cit-PAB-OH379.45≥95% Pricing
AP10889Azido-PEG1-Val-Cit-OH415.45≥95% Pricing
AP11921MC (C5)-Val-Cit-OH452.51≥95% Pricing
AP13146Azidoacetyl-Val-Cit-PAB-OH462.50≥95% Pricing
AP13072Alloc-Val-Cit-PAB-OH463.53≥95% Pricing
AP10883MC-Val-Cit-OH467.52≥95% Pricing
AP10886Mal-PEG1-Val-Cit-OH469.50≥95% Pricing
AP10006Boc-Val-Cit-PAB479.57≥95% Pricing
AP13145Amine-PEG1-Val-Cit-PAB-OH494.58≥95% Pricing
AP10018Fmoc-Val-Cit-OH496.56≥95% Pricing
AP13073Cbz-Val-Cit-PAB-OH513.59≥95% Pricing
AP131486-Azidohexanoyl-Val-Cit-PAB-OH518.61≥95% Pricing
AP10890Azido-PEG1-Val-Cit-PAB-OH520.58≥95% Pricing
AP10882MC(C2)-Val-Cit-PAB-OH530.57≥95% Pricing
AP10892TCO-PEG1-Val-Cit-OH541.65≥95% Pricing
AP10895BCN-PEG1-Val-Cit-OH565.67≥95% Pricing
AP10687MC-Val-Cit-PAB-OH572.65≥95% Pricing
AP10887Mal-PEG1-Val-Cit-PAB-OH574.63≥95% Pricing
AP11922SPDP-Val-Cit-PAB-OH576.73≥95% Pricing
AP10898DBCO-Val-Cit-OH589.69≥95% Pricing
AP10015Fmoc-Val-Cit-PAB601.69≥95% Pricing
AP11194Azido-PEG3-Val-Cit-PAB-OH608.7≥95% Pricing
AP10695Mal-PEG2-Val-Cit-PAB-OH618.68≥95% Pricing
AP13147Azidoacetyl-Val-Cit-PAB-PNP627.61≥95% Pricing
AP10021Boc-Val-Cit-PAB-PNP644.67≥95% Pricing
AP10893TCO-PEG1-Val-Cit-PAB-OH646.79≥95% Pricing
AP11195Azido-PEG4-Val-Cit-PAB-OH652.75≥95% Pricing
AP11197BCN-PEG3-Val-Cit653.77≥95% Pricing
AP10896BCN-PEG1-Val-Cit-PAB-OH670.81≥95% Pricing
AP131446-Azidohexanoyl-Val-Cit-PAB-PNP683.71≥95% Pricing
AP10891Azido-PEG1-Val-Cit-PAB-PNP685.70≥95% Pricing
AP11192Mal-amido-PEG2-Val-Cit-PAB-OH689.77≥95% Pricing
AP10899DBCO-Val-Cit-PAB-OH694.83≥95% Pricing
AP13076MC (C3)-Val-Cit-PAB-PNP695.68≥95% Pricing
AP13151Mal-Val-Cit-PAB-PNP695.68≥95% Pricing
AP10696Mal-PEG4-Val-Cit-PAB-OH706.78≥95% Pricing
AP11021exo-BCN-Val-Cit-PAB-PNP720.77≥95% Pricing
AP13126BCN-Val-Cit-PAB-PNP720.77≥95% Pricing
AP10694MC-Val-Cit-PAB-PNP737.76≥95% Pricing
AP10888Mal-PEG1-Val-Cit-PAB-PNP739.73≥95% Pricing
AP11923SPDP-Val-Cit-PAB-PNP741.84≥95% Pricing
AP13078Mal-PEG2-Val-Cit-PAB-PNP755.73≥95% Pricing
AP10017Fmoc-Val-Cit-PAB-PNP766.81≥95% Pricing
AP13150Phthalimidyoxyl-PEG4-Val-Cit-PAB-OH772.84≥95% Pricing
AP11196Azido-PEG3-Val-Cit-PAB-PNP773.8≥95% Pricing
AP10894TCO-PEG1-Val-Cit-PAB-PNP811.89≥95% Pricing
AP10897BCN-PEG1-Val-Cit-PAB-PNP835.91≥95% Pricing
AP11193Mal-amido-PEG2-Val-Cit-PAB-PNP854.87≥95% Pricing
AP10750DBCO-PEG4-acetic-Val-Cit-PAB855.99≥95% Pricing
AP10900DBCO-Val-Cit-PAB-PNP859.94≥95% Pricing
AP10749DBCO-PEG3-propionic-Val-Cit-PAB870.02≥95% Pricing
AP11191Mal-PEG4-Val-Cit-PAB-PNP871.9≥95% Pricing
AP13149DBCO-PEG4-Val-Cit-PAB-OH914.05≥95% Pricing
AP14195MC-MMAF925.20≥95% Pricing
AP13152Mal-amido-PEG4-Val-Cit-PAB-PNP942.96≥95% Pricing
AP13223TCO-PEG4-Val-Cit-PAB-PNP 944.1≥98% Pricing
AP13872Azido-PEG8-Val-Cit-PAB-PNP994.1≥95% Pricing
AP14086Val-Cit-PAB-MMAE1123.50≥95% Pricing
AP14201MC-Val-Cit-Doxorubicin1142.20≥95% Pricing
AP14191DBCO-PEG4-MMAF1266.60≥95% Pricing
AP14228endo-BCN-Val-Cit-PAB-MMAE1299.70≥95% Pricing
AP14194MC-Val-Cit-PAB-MMAE1316.70≥95% Pricing
AP14200MC-Val-Cit-PAB-MMAF1330.6≥95% Pricing
AP15194SuO-Glu-Val-Cit-PAB-MMAE1334.60≥95% Pricing
AP13071Fmoc-Val-Cit-PAB-MMAE1345.67≥95% Pricing
AP13932Amino-PEG4-Val-Cit-PAB-MMAE1370.70≥95% Pricing
AP13870Azido-PEG4-Val-Cit-PAB-MMAE1396.70≥95% Pricing
AP13475Acid-PEG4-Val-Cit-PAB-MMAE1399.7≥98% Pricing
AP14190DBCO-Val-Cit-PAB-MMAE1410.80≥95% Pricing
AP13265endo-BCN-PEG4-Val-Cit-PAB-MMAE1547≥98% Pricing
AP13276Mal-PEG8-Val-Cit-PAB-MMAE1627≥98% Pricing
AP13283Mal-PEG8-Val-Cit-PAB-PNP1048.1≥95% Pricing
AP13199DBCO-PEG4-Val-Cit-PAB-PNP1079.2≥98% Pricing
AP13204DBCO-PEG8-Val-Cit-PAB-PNP1255.4≥95% Pricing
AP13414NHS ester-PEG4-Val-Cit-PAB-MMAE1496.8≥97% Pricing
AP13201DBCO-PEG4-Val-Cit-PAB-MMAE1658.1≥98% Pricing
val-Gly-PAB-OH
AP11924Mal-amido-PEG8-val-Gly-PAB-OH853.96≥95% Pricing
AP13275Mal-amido-PEG8-Val-Gly748.8≥98% Pricing

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