Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

ChainsDomain InfoClassFoldSuperfamilyFamilyDomainSpeciesProvenance Source (Version)
Fd1s78f1 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin V set domains (antibody variable domain-like) Immunoglobulin heavy chain variable domain, VH house mouse (Mus musculus ) [TaxId: 10090 ], SCOPe (2.08)
Fd1s78f2 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin C1 set domains (antibody constant domain-like) Immunoglobulin heavy chain gamma constant domain 1, CH1-gamma house mouse (Mus musculus ) [TaxId: 10090 ], SCOPe (2.08)
Dd1s78d1 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin V set domains (antibody variable domain-like) Immunoglobulin heavy chain variable domain, VH house mouse (Mus musculus ) [TaxId: 10090 ], SCOPe (2.08)
Dd1s78d2 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin C1 set domains (antibody constant domain-like) Immunoglobulin heavy chain gamma constant domain 1, CH1-gamma house mouse (Mus musculus ) [TaxId: 10090 ], SCOPe (2.08)
Ed1s78e1 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin V set domains (antibody variable domain-like) Immunoglobulin light chain kappa variable domain, VL-kappa house mouse (Mus musculus ) [TaxId: 10090 ], SCOPe (2.08)
Ed1s78e2 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin C1 set domains (antibody constant domain-like) Immunoglobulin light chain kappa constant domain, CL-kappa house mouse (Mus musculus ) [TaxId: 10090 ], SCOPe (2.08)
Cd1s78c1 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin V set domains (antibody variable domain-like) Immunoglobulin light chain kappa variable domain, VL-kappa house mouse (Mus musculus ) [TaxId: 10090 ], SCOPe (2.08)
Cd1s78c2 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin C1 set domains (antibody constant domain-like) Immunoglobulin light chain kappa constant domain, CL-kappa house mouse (Mus musculus ) [TaxId: 10090 ], SCOPe (2.08)
Bd1s78b1 Alpha and beta proteins (a/b) Leucine-rich repeat, LRR (right-handed beta-alpha superhelix) L domain-like L domain Protooncoprotein Her2 extracellular domain human (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)
Bd1s78b3 Small proteins Knottins (small inhibitors, toxins, lectins) Growth factor receptor domain Growth factor receptor domain Protooncoprotein Her2 extracellular domain human (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)
Ad1s78a1 Alpha and beta proteins (a/b) Leucine-rich repeat, LRR (right-handed beta-alpha superhelix) L domain-like L domain Protooncoprotein Her2 extracellular domain human (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)
Ad1s78a3 Small proteins Knottins (small inhibitors, toxins, lectins) Growth factor receptor domain Growth factor receptor domain Protooncoprotein Her2 extracellular domain human (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
BSCOP2B SuperfamilyL domain-like 8043691 3001010 SCOP2B (2022-06-29)
BSCOP2B SuperfamilyL domain-like 8043690 3001010 SCOP2B (2022-06-29)
BSCOP2B SuperfamilyGrowth factor receptor domain-like 8043692 3000398 SCOP2B (2022-06-29)
ASCOP2B SuperfamilyL domain-like 8043691 3001010 SCOP2B (2022-06-29)
ASCOP2B SuperfamilyL domain-like 8043690 3001010 SCOP2B (2022-06-29)
ASCOP2B SuperfamilyGrowth factor receptor domain-like 8043692 3000398 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
Fe1s78F1 A: Cloacin translocation domainX: Cloacin translocation domainH: Cloacin translocation domainT: Copper-bindF:ECOD (20:10:01)
De1s78D1 A: Cloacin translocation domainX: Cloacin translocation domainH: Cloacin translocation domainT: Copper-bindF:ECOD (20:10:01)
Ee1s78E1 A: Cloacin translocation domainX: Cloacin translocation domainH: Cloacin translocation domainT: Copper-bindF:ECOD (20:10:01)
Ce1s78C1 A: Cloacin translocation domainX: Cloacin translocation domainH: Cloacin translocation domainT: Copper-bindF:ECOD (20:10:01)
Be1s78B5 A: Fusion glycoprotein F2X: Fusion glycoprotein F2H: Fusion glycoprotein F2T: Peptidase_M9F:ECOD (20:10:01)
Ae1s78A1 A: C-terminal subdomain in Lon-related proteases catalytic domainsX: C-terminal subdomain in Lon-related proteases catalytic domainsH: C-terminal subdomain in Lon-related proteases catalytic domainsT: Hexapep,Acetyltransf_11F:ECOD (20:10:01)
Ae1s78A3 A: C-terminal subdomain in Lon-related proteases catalytic domainsX: C-terminal subdomain in Lon-related proteases catalytic domainsH: C-terminal subdomain in Lon-related proteases catalytic domainsT: EGF_CAF:ECOD (20:10:01)

Domain Annotation: CATH CATH Database Homepage

IMGT Antibody Annotation IMGT Database Homepage

ChainProtein NameDescriptionOrganism NameGene Allele Name(s)Domain Name(s)Receptor TypeReceptor DescriptionProvenance Source
D, F
2C4 VH-CH1 Humanized, Homo sapiens (human) IGHV3-23*04, IGHJ4*01, IGHJ4*02, IGHJ4*03, IGHG1*01, IGHG1*02, IGHG1*04, IGHG1*05, IGHG1*12, IGHG1*14, IGHG1*13, IGHG1*09, IGHG1*10, IGHG1*07, IGHG1*11, IGHG1*15, IGHG1*16 V-DOMAIN VH, C-DOMAIN CH1 IG FAB-GAMMA-1_KAPPA IMGT (202609-0)
C, E
2C4 L-KAPPA Humanized, Homo sapiens (human) IGKV1D-7-1*01, IGKJ1*01, IGKJ4*01, IGKJ2*01, IGKC*01 V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA IG FAB-GAMMA-1_KAPPA IMGT (202609-0)

SAbDab Antibody Annotation SAbDab Database Homepage

ChainChain ClassChain SubclassChain TypeAntigen Name(s) Provenance Source
D, F
Heavy ChainIGHV3 -receptor protein-tyrosine kinase erbb-2SAbDab (2026-03-13)
C, E
Light ChainIGKV1 Kappareceptor protein-tyrosine kinase erbb-2SAbDab (2026-03-13)

Thera-SAbDab Antibody Annotation Thera-SAbDab Database Homepage

ChainNameTargetProvenance Source
D, F
Zanidatamab ERBB2/CD340/HER2Therapeutic SAbDab (2026-03-13)
C, E
Zanidatamab ERBB2/CD340/HER2Therapeutic SAbDab (2026-03-13)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
A, B
PF00757Furin-like cysteine rich region (Furin-like)Furin-like cysteine rich regionDomain
A, B
PF01030Receptor L domain (Recep_L_domain)Receptor L domain- Repeat
A, B
PF14843Growth factor receptor domain IV (GF_recep_IV)Growth factor receptor domain IVThis is the fourth extracellular domain of receptor tyrosine protein kinases. Interaction between this domain and the furin-like domain (Pfam:PF00757) regulates the binding of ligands to the receptor L domains (Pfam:PF01030) [1]. Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
D, F
Pertuzumab Fab heavy chain---
C, E
Pertuzumab Fab light chain-
A, B
Receptor protein-tyrosine kinase erbB-2

Pharos: Disease Associations Pharos Homepage Annotation

ChainsDrug Target  Associated Disease
A, B
PharosP04626