General Information of This Antibody
Antibody ID
ANI0TOOQQ
Antibody Name
Veltuzumab
Organization
Immunomedics, Inc.; Takeda Pharmaceutical Co., Ltd.
Indication
Non-Hodgkin's lymphoma
Synonyms
HA20; IMMU-106; VELTUZUMAB
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Antibody Type
Monoclonal antibody (mAb)
Antibody Subtype
Humanized IgG1-kappa
Antigen Name
B-lymphocyte antigen CD20 (MS4A1)
 Antigen Info 
ChEMBI ID
CHEMBL1743088
DrugBank ID
DB05656
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Heavy Chain Sequence
QVQLQQSGAEVKKPGSSVKVSCKASGYTFTSYNMHWVKQAPGQGLEWIGAIYPGMGDTSY
NQKFKGKATLTADESTNTAYMELSSLRSEDTAFYYCARSTYYGGDWYFDVWGQGTTVTVS
SASTKGPSVFPLAPSSKSTSGGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQS
SGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKRVEPKSCDKTHTCPPCPAPELLG
GPSVFLFPPKPKDTLMISRTPEVTCVVVDVSHEDPEVKFNWYVDGVEVHNAKTKPREEQY
NSTYRVVSVLTVLHQDWLNGKEYKCKVSNKALPAPIEKTISKAKGQPREPQVYTLPPSRE
EMTKNQVSLTCLVKGFYPSDIAVEWESNGQPENNYKTTPPVLDSDGSFFLYSKLTVDKSR
WQQGNVFSCSVMHEALHNHYTQKSLSLSPGK
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Heavy Chain Varible Domain
QVQLQQSGAEVKKPGSSVKVSCKASGYTFTSYNMHWVKQAPGQGLEWIGAIYPGMGDTSY
NQKFKGKATLTADESTNTAYMELSSLRSEDTAFYYCARSTYYGGDWYFDVWGQGTTVTVS
S
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Heavy Chain Constant Domain 1
ASTKGPSVFPLAPSSKSTSGGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSS
GLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKRV
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Heavy Chain Constant Domain 2
APELLGGPSVFLFPPKPKDTLMISRTPEVTCVVVDVSHEDPEVKFNWYVDGVEVHNAKTK
PREEQYNSTYRVVSVLTVLHQDWLNGKEYKCKVSNKALPAPIEKTISKAK
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Heavy Chain Constant Domain 3
GQPREPQVYTLPPSREEMTKNQVSLTCLVKGFYPSDIAVEWESNGQPENNYKTTPPVLDS
DGSFFLYSKLTVDKSRWQQGNVFSCSVMHEALHNHYTQKSLSLSPGK
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Heavy Chain Hinge Region
EPKSCDKTHTCPPCP
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Heavy Chain CDR 1
GYTFTSYN
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Heavy Chain CDR 2
IYPGMGDT
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Heavy Chain CDR 3
ARSTYYGGDWYFDV
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Light Chain Sequence
DIQLTQSPSSLSASVGDRVTMTCRASSSVSYIHWFQQKPGKAPKPWIYATSNLASGVPVR
FSGSGSGTDYTFTISSLQPEDIATYYCQQWTSNPPTFGGGTKLEIKRTVAAPSVFIFPPS
DEQLKSGTASVVCLLNNFYPREAKVQWKVDNALQSGNSQESVTEQDSKDSTYSLSSTLTL
SKADYEKHKVYACEVTHQGLSSPVTKSFNRGEC
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Light Chain Varible Domain
DIQLTQSPSSLSASVGDRVTMTCRASSSVSYIHWFQQKPGKAPKPWIYATSNLASGVPVR
FSGSGSGTDYTFTISSLQPEDIATYYCQQWTSNPPTFGGGTKLEIK
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Light Chain Constant Domain
RTVAAPSVFIFPPSDEQLKSGTASVVCLLNNFYPREAKVQWKVDNALQSGNSQESVTEQD
SKDSTYSLSSTLTLSKADYEKHKVYACEVTHQGLSSPVTKSFNRGEC
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Light Chain CDR 1
SSVSY
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Light Chain CDR 2
ATS
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Light Chain CDR 3
QQWTSNPPT
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Each Antibody-drug Conjugate Related to This Antibody
Full Information of The Activity Data of The ADC(s) Related to This Antibody
Veltuzumab-SN-38 [Investigative]
Revealed Based on the Cell Line Data
Click To Hide/Show 12 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Effective Concentration (EC50)
0.83 nM
Moderate CD20 expression (CD20++)
Method Description
Cytotoxicity was determined using the MTS dye reduction assay.
In Vitro Model Follicular lymphoma WSU-FSCCL cells CVCL_1903
Experiment 2 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Effective Concentration (EC50)
1.98 nM
High CD20 expression (CD20+++)
Method Description
Cytotoxicity was determined using the MTS dye reduction assay.
In Vitro Model Mantle cell lymphoma JeKo-1 cells CVCL_1865
Experiment 3 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Effective Concentration (EC50)
4.88 nM
High CD20 expression (CD20+++)
Method Description
Cytotoxicity was determined using the MTS dye reduction assay.
In Vitro Model EBV-related Burkitt lymphoma Raji cells CVCL_0511
Experiment 4 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Effective Concentration (EC50)
13.56 nM
High CD20 expression (CD20+++)
Method Description
Cytotoxicity was determined using the MTS dye reduction assay.
In Vitro Model Burkitt lymphoma Daudi cells CVCL_0008
Experiment 5 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Effective Concentration (EC50) > 50.00 nM High CD20 expression (CD20+++)
Method Description
Cytotoxicity was determined using the MTS dye reduction assay.
In Vitro Model Burkitt lymphoma Ramos cells CVCL_0597
Experiment 6 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Effective Concentration (EC50) > 50.00 nM Low CD20 expression (CD20+)
Method Description
Cytotoxicity was determined using the MTS dye reduction assay.
In Vitro Model B acute lymphoblastic leukemia Reh cells CVCL_1650
Experiment 7 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Effective Concentration (EC50) > 50.00 nM Low CD20 expression (CD20+)
Method Description
Cytotoxicity was determined using the MTS dye reduction assay.
In Vitro Model Childhood B acute lymphoblastic leukemia 697 cells CVCL_0079
Experiment 8 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Effective Concentration (EC50) > 50.00 nM Low CD20 expression (CD20+)
Method Description
Cytotoxicity was determined using the MTS dye reduction assay.
In Vitro Model Adult B acute lymphoblastic leukemia RS4;11 cells CVCL_0093
Experiment 9 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Effective Concentration (EC50) > 50.00 nM Low CD20 expression (CD20+)
Method Description
Cytotoxicity was determined using the MTS dye reduction assay.
In Vitro Model Burkitt lymphoma MN-60 cells CVCL_1421
Experiment 10 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Effective Concentration (EC50)
77.90 nM
Moderate CD22 expression (CD22++)
Method Description
Cytotoxicity was determined using the MTS dye reduction assay.
In Vitro Model B acute lymphoblastic leukemia Reh cells CVCL_1650
Experiment 11 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Effective Concentration (EC50)
162 nM
Low CD20 expression (CD20+)
Method Description
Cytotoxicity was determined using the MTS dye reduction assay.
In Vitro Model B acute lymphoblastic leukemia Reh cells CVCL_1650
Experiment 12 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Effective Concentration (EC50)
246.60 nM
High CD20 expression (CD20+++)
Method Description
Cytotoxicity was determined using the MTS dye reduction assay.
In Vitro Model EBV-related Burkitt lymphoma Raji cells CVCL_0511
References
Ref 1 Epratuzumab-SN-38: a new antibody-drug conjugate for the therapy of hematologic malignancies. Mol Cancer Ther. 2012 Jan;11(1):224-34. doi: 10.1158/1535-7163.MCT-11-0632. Epub 2011 Oct 28.

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