Insights into ErbB signaling from the structure of the ErbB2-pertuzumab complex
External Resource: Annotation
- Domain Annotation: SCOP/SCOPe Classification
- Domain Annotation: SCOP2 Classification
- Domain Annotation: ECOD Classification
- Domain Annotation: CATH
- IMGT Antibody Annotation
- SAbDab Antibody Annotation
- Thera-SAbDab Antibody Annotation
- Protein Family Annotation
- Gene Ontology: Gene Product Annotation
- InterPro: Protein Family Classification
- Pharos: Disease Associations
Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage
Domain Annotation: SCOP2 Classification SCOP2 Database Homepage
| Chains | Type | Family Name | Domain Identifier | Family Identifier | Provenance Source (Version) |
|---|---|---|---|---|---|
| B | SCOP2B Superfamily | L domain-like | 8043691 | 3001010 | SCOP2B (2022-06-29) |
| B | SCOP2B Superfamily | L domain-like | 8043690 | 3001010 | SCOP2B (2022-06-29) |
| B | SCOP2B Superfamily | Growth factor receptor domain-like | 8043692 | 3000398 | SCOP2B (2022-06-29) |
| A | SCOP2B Superfamily | L domain-like | 8043691 | 3001010 | SCOP2B (2022-06-29) |
| A | SCOP2B Superfamily | L domain-like | 8043690 | 3001010 | SCOP2B (2022-06-29) |
| A | SCOP2B Superfamily | Growth factor receptor domain-like | 8043692 | 3000398 | SCOP2B (2022-06-29) |
Domain Annotation: ECOD Classification ECOD Database Homepage
| Chains | Family Name | Domain Identifier | Architecture | Possible Homology | Homology | Topology | Family | Provenance Source (Version) |
|---|---|---|---|---|---|---|---|---|
| E | C1-set_4 | e1s78E2 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: C1-set_4 | ECOD (1.6) |
| E | V-set | e1s78E1 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: V-set | ECOD (1.6) |
| C | C1-set_4 | e1s78C2 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: C1-set_4 | ECOD (1.6) |
| C | V-set | e1s78C1 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: V-set | ECOD (1.6) |
| F | V-set_8 | e1s78F1 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: V-set_8 | ECOD (1.6) |
| F | C1-set_1 | e1s78F2 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: C1-set_1 | ECOD (1.6) |
| D | V-set_8 | e1s78D1 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: V-set_8 | ECOD (1.6) |
| D | C1-set_1 | e1s78D2 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: C1-set_1 | ECOD (1.6) |
| B | Recep_L_domain | e1s78B7 | A: beta duplicates or obligate multimers | X: Single-stranded right-handed beta-helix | H: Leucine-rich repeats (From Topology) | T: Leucine-rich repeats | F: Recep_L_domain | ECOD (1.6) |
| B | GF_recep_IV | e1s78B8 | A: few secondary structure elements | X: EGF-like | H: Growth factor receptor domain (From Topology) | T: Growth factor receptor domain | F: GF_recep_IV | ECOD (1.6) |
| B | Furin-like | e1s78B6 | A: few secondary structure elements | X: EGF-like | H: Growth factor receptor domain (From Topology) | T: Growth factor receptor domain | F: Furin-like | ECOD (1.6) |
| A | Recep_L_domain | e1s78A1 | A: beta duplicates or obligate multimers | X: Single-stranded right-handed beta-helix | H: Leucine-rich repeats (From Topology) | T: Leucine-rich repeats | F: Recep_L_domain | ECOD (1.6) |
| A | GF_recep_IV | e1s78A4 | A: few secondary structure elements | X: EGF-like | H: Growth factor receptor domain (From Topology) | T: Growth factor receptor domain | F: GF_recep_IV | ECOD (1.6) |
| A | Furin-like | e1s78A3 | A: few secondary structure elements | X: EGF-like | H: Growth factor receptor domain (From Topology) | T: Growth factor receptor domain | F: Furin-like | ECOD (1.6) |
Domain Annotation: CATH CATH Database Homepage
| Chain | Domain | Class | Architecture | Topology | Homology | Provenance Source (Version) |
|---|---|---|---|---|---|---|
| E | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (4.3.0) |
| C | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (4.3.0) |
| F | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (4.3.0) |
| D | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (4.3.0) |
| B | 3.80.20.20 | Alpha Beta | Alpha-Beta Horseshoe | 24 nucleotide stem-loop, u2 snrnp hairpin iv. U2 a' | Chain A | CATH (4.3.0) |
| B | 2.10.220.10 | Mainly Beta | Ribbon | Hormone Receptor, Insulin-like Growth Factor Receptor 1 | Chain A domain 2 | CATH (4.3.0) |
| A | 3.80.20.20 | Alpha Beta | Alpha-Beta Horseshoe | 24 nucleotide stem-loop, u2 snrnp hairpin iv. U2 a' | Chain A | CATH (4.3.0) |
| A | 2.10.220.10 | Mainly Beta | Ribbon | Hormone Receptor, Insulin-like Growth Factor Receptor 1 | Chain A domain 2 | CATH (4.3.0) |
IMGT Antibody Annotation IMGT Database Homepage
| Chain | Protein Name | Description | Organism Name | Gene Allele Name(s) | Domain Name(s) | Receptor Type | Receptor Description | Provenance Source |
|---|---|---|---|---|---|---|---|---|
| 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 (202543-0) | |
| 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 (202543-0) |
SAbDab Antibody Annotation SAbDab Database Homepage
| Chain | Chain Class | Chain Subclass | Chain Type | Antigen Name(s) | Provenance Source |
|---|---|---|---|---|---|
| Light Chain | IGKV1 | Kappa | receptor protein-tyrosine kinase erbb-2 | SAbDab (2025-11-07) | |
| Heavy Chain | IGHV3 | - | receptor protein-tyrosine kinase erbb-2 | SAbDab (2025-11-07) |
Thera-SAbDab Antibody Annotation Thera-SAbDab Database Homepage
| Chain | Name | Target | Provenance Source |
|---|---|---|---|
| Pertuzumab | ERBB2/CD340/HER2 | Therapeutic SAbDab (2025-11-07) | |
| Pertuzumab | ERBB2/CD340/HER2 | Therapeutic SAbDab (2025-11-07) |
Protein Family Annotation Pfam Database Homepage
| Chains | Accession | Name | Description | Comments | Source |
|---|---|---|---|---|---|
| PF07686 | Immunoglobulin V-set domain (V-set) | Immunoglobulin V-set domain | This domain is found in antibodies as well as neural protein P0 and CTL4 amongst others. | Domain | |
| PF07654 | Immunoglobulin C1-set domain (C1-set) | Immunoglobulin C1-set domain | Domain | ||
| PF00757 | Furin-like cysteine rich region (Furin-like) | Furin-like cysteine rich region | Domain | ||
| PF01030 | Receptor L domain (Recep_L_domain) | Receptor L domain | - | Repeat | |
| PF14843 | Growth factor receptor domain IV (GF_recep_IV) | Growth factor receptor domain IV | This 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 |














