General Information of This Antigen (ID: TAR0OMIUH)
Antigen Name
Receptor tyrosine-protein kinase erbB-2 (HER2 ECD2); Receptor tyrosine-protein kinase erbB-2 (HER2 ECD4)
Gene Name
HER2 ECD2; HER2 ECD4
Gene ID
2064
Synonym1
HER2 ECD2
Synonym2
HER2 ECD4
Sequence1
MELAALCRWGLLLALLPPGAASTQVCTGTDMKLRLPASPETHLDMLRHLYQGCQVVQGNL
ELTYLPTNASLSFLQDIQEVQGYVLIAHNQVRQVPLQRLRIVRGTQLFEDNYALAVLDNG
DPLNNTTPVTGASPGGLRELQLRSLTEILKGGVLIQRNPQLCYQDTILWKDIFHKNNQLA
LTLIDTNRSRACHPCSPMCKGSRCWGESSEDCQSLTRTVCAGGCARCKGPLPTDCCHEQC
AAGCTGPKHSDCLACLHFNHSGICELHCPALVTYNTDTFESMPNPEGRYTFGASCVTACP
YNYLSTDVGSCTLVCPLHNQEVTAEDGTQRCEKCSKPCARVCYGLGMEHLREVRAVTSAN
IQEFAGCKKIFGSLAFLPESFDGDPASNTAPLQPEQLQVFETLEEITGYLYISAWPDSLP
DLSVFQNLQVIRGRILHNGAYSLTLQGLGISWLGLRSLRELGSGLALIHHNTHLCFVHTV
PWDQLFRNPHQALLHTANRPEDECVGEGLACHQLCARGHCWGPGPTQCVNCSQFLRGQEC
VEECRVLQGLPREYVNARHCLPCHPECQPQNGSVTCFGPEADQCVACAHYKDPPFCVARC
PSGVKPDLSYMPIWKFPDEEGACQPCPINCTHSCVDLDDKGCPAEQRASPLTSIISAVVG
ILLVVVLGVVFGILIKRRQQKIRKYTMRRLLQETELVEPLTPSGAMPNQAQMRILKETEL
RKVKVLGSGAFGTVYKGIWIPDGENVKIPVAIKVLRENTSPKANKEILDEAYVMAGVGSP
YVSRLLGICLTSTVQLVTQLMPYGCLLDHVRENRGRLGSQDLLNWCMQIAKGMSYLEDVR
LVHRDLAARNVLVKSPNHVKITDFGLARLLDIDETEYHADGGKVPIKWMALESILRRRFT
HQSDVWSYGVTVWELMTFGAKPYDGIPAREIPDLLEKGERLPQPPICTIDVYMIMVKCWM
IDSECRPRFRELVSEFSRMARDPQRFVVIQNEDLGPASPLDSTFYRSLLEDDDMGDLVDA
EEYLVPQQGFFCPDPAPGAGGMVHHRHRSSSTRSGGGDLTLGLEPSEEEAPRSPLAPSEG
AGSDVFDGDLGMGAAKGLQSLPTHDPSPLQRYSEDPTVPLPSETDGYVAPLTCSPQPEYV
NQPDVRPQPPSPREGPLPAARPAGATLERPKTLSPGKNGVVKDVFAFGGAVENPEYLTPQ
GGAAPQPHPPPAFSPAFDNLYYWDQDPPERGAPPSTFKGTPTAENPEYLGLDVPV

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Sequence2
MPGGCSRGPAAGDGRLRLARLALVLLGWVSSSSPTSSASSFSSSAPFLASAVSAQPPLPD
QCPALCECSEAARTVKCVNRNLTEVPTDLPAYVRNLFLTGNQLAVLPAGAFARRPPLAEL
AALNLSGSRLDEVRAGAFEHLPSLRQLDLSHNPLADLSPFAFSGSNASVSAPSPLVELIL
NHIVPPEDERQNRSFEGMVVAALLAGRALQGLRRLELASNHFLYLPRDVLAQLPSLRHLD
LSNNSLVSLTYVSFRNLTHLESLHLEDNALKVLHNGTLAELQGLPHIRVFLDNNPWVCDC
HMADMVTWLKETEVVQGKDRLTCAYPEKMRNRVLLELNSADLDCDPILPPSLQTSYVFLG
IVLALIGAIFLLVLYLNRKGIKKWMHNIRDACRDHMEGYHYRYEINADPRLTNLSSNSDV

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Family1
Tyr protein family
Family2
Tyr protein kinase family
Function1
Protein tyrosine kinase that is part of several cell surface receptor complexes, but that apparently needs a coreceptor for ligand binding. Essential component of a neuregulin-receptor complex, although neuregulins do not interact with it alone. GP30 is a potential ligand for this receptor. Regulates outgrowth and stabilization of peripheral microtubules (MTs). Upon ERBB2 activation, the MEMO1-RHOA-DIAPH1 signaling pathway elicits the phosphorylation and thus the inhibition of GSK3B at cell membrane. This prevents the phosphorylation of APC and CLASP2, allowing its association with the cell membrane. In turn, membrane-bound APC allows the localization of MACF1 to the cell membrane, which is required for microtubule capture and stabilization.

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Function2
Protein tyrosine kinase that is part of several cell surface receptor complexes, but that apparently needs a coreceptor for ligand binding. Essential component of a neuregulin-receptor complex, although neuregulins do not interact with it alone. GP30 is a potential ligand for this receptor. Regulates outgrowth and stabilization of peripheral microtubules (MTs). Upon ERBB2 activation, the MEMO1-RHOA-DIAPH1 signaling pathway elicits the phosphorylation and thus the inhibition of GSK3B at cell membrane. This prevents the phosphorylation of APC and CLASP2, allowing its association with the cell membrane. In turn, membrane-bound APC allows the localization of MACF1 to the cell membrane, which is required for microtubule capture and stabilization.

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Uniprot Entry
ERBB2_HUMAN , ERBB2_HUMAN
HGNC ID
HGNC:3430 , HGNC:3430
KEGG ID
hsa:2064 , hsa:2064
Each Antibody-drug Conjugate and Its Component Related to This Antigen
Full List of The ADC Related to This Antigen
The Numbers of ADCs, Their Three Components, Payload Targets, and Corresponding Diseases for This Antigens
Anbenitamab
ADC Name Payload Target Linker ADC Info
Anbenitamab repodatecan
DXd
DNA topoisomerase 1 (TOP1)
DBCO-PEG4-Mc-Gly-Gly-Phe-Gly
Anti-HER2 antibody
ADC Name Payload Target Linker ADC Info
TQB2102
2-DDDX-d
DNA topoisomerase 1 (TOP1)
Mc-Gly-Gly-Phe-Gly
MEDI-4276
ADC Name Payload Target Linker ADC Info
MEDI4276
AZ13599185
Microtubule (MT)
Maleimido-caproyl based linker
Trastuzumab
ADC Name Payload Target Linker ADC Info
T-VDXd
DXd
DNA topoisomerase 1 (TOP1)
Mc-Val-Ala
Trastuzumab/Pertuzumab biparatopic bsAb
ADC Name Payload Target Linker ADC Info
KM501
Monomethyl auristatin E
Microtubule (MT)
Undisclosed
Zanidatamab
ADC Name Payload Target Linker ADC Info
Zanidatamab zovodotin
ZD02044
Microtubule (MT)
Mc-PEG3-Val-Cit
ZW-33 [1]
Undisclosed
Undisclosed
Undisclosed
Undisclosed
ADC Name Payload Target Linker ADC Info
JY201 [2]
Undisclosed
Undisclosed
Undisclosed
References
Ref 1 Zymeworks biotechnology company announcement; 2016
Ref 2 A novel pegylated bispecific antibody-drug conjugate (P-BsADC) targeting Her2+ cancers with improved efficacy and therapeutic window. Cancer Res (2023) 83 (7_Supplement): 4000.