Crystal structure of malaria transmission-blocking antigen Pfs48/45-6C variant in complex with human antibodies RUPA-44 and RUPA-29
Domain Annotation: ECOD Classification ECOD Database Homepage
| Chains | Family Name | Domain Identifier | Architecture | Possible Homology | Homology | Topology | Family | Provenance Source (Version) |
|---|---|---|---|---|---|---|---|---|
| E [auth B] | C1-set | e7uxlB2 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: C1-set | ECOD (1.6) |
| E [auth B] | V-set_3 | e7uxlB1 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: V-set_3 | ECOD (1.6) |
| D [auth A] | C1-set_1 | e7uxlA1 | 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 [auth A] | V-set_12 | e7uxlA2 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: V-set_12 | ECOD (1.6) |
| C [auth R] | s48_45 | e7uxlR1 | A: beta sandwiches | X: Cupredoxin-like | H: Surface antigen 1 (SAG1)-related-sequence (SRS) family (From Topology) | T: Surface antigen 1 (SAG1)-related-sequence (SRS) family | F: s48_45 | ECOD (1.6) |
| B [auth F] | V-set_8 | e7uxlF1 | 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) |
| B [auth F] | C1-set_1 | e7uxlF2 | 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) |
| A [auth E] | C1-set_4 | e7uxlE1 | 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) |
| A [auth E] | V-set | e7uxlE2 | 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) |
Domain Annotation: CATH CATH Database Homepage
| Chain | Domain | Class | Architecture | Topology | Homology | Provenance Source (Version) |
|---|---|---|---|---|---|---|
| E [auth B] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| D [auth A] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| B [auth F] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| A [auth E] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
SAbDab Antibody Annotation SAbDab Database Homepage
| Chain | Chain Class | Chain Subclass | Chain Type | Antigen Name(s) | Provenance Source |
|---|---|---|---|---|---|
| E [auth B] | Light Chain | IGLV3 | Lambda | gametocyte surface protein p45/48 | SAbDab (2025-12-19) |
| D [auth A] | Heavy Chain | IGHV3 | - | gametocyte surface protein p45/48 | SAbDab (2025-12-19) |
| B [auth F] | Heavy Chain | IGHV4 | - | gametocyte surface protein p45/48 | SAbDab (2025-12-19) |
| A [auth E] | Light Chain | IGKV1 | Kappa | gametocyte surface protein p45/48 | SAbDab (2025-12-19) |
Protein Family Annotation Pfam Database Homepage
| Chains | Accession | Name | Description | Comments | Source |
|---|---|---|---|---|---|
| C [auth R] | PF07422 | Sexual stage antigen s48/45 domain (s48_45) | Sexual stage antigen s48/45 domain | This family contains sexual stage s48/45 antigens from Plasmodium (approximately 450 residues long). These are surface proteins expressed by Plasmodium male and female gametes that have been shown to play a conserved and important role in fertilisati ... | Domain |
Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage
| Chains | Polymer | Molecular Function | Biological Process | Cellular Component |
|---|---|---|---|---|
| E [auth B] | RUPA-29 Fab Lambda chain | - | - | - |
| D [auth A] | RUPA-29 Fab Heavy chain | - | - | - |
| C [auth R] | Gametocyte surface protein P45/48 | - | - | |
| B [auth F] | RUPA-44 Fab Heavy chain | - | - | - |
| A [auth E] | RUPA-44 Fab Kappa chain | - | - | - |
InterPro: Protein Family Classification InterPro Database Homepage
| Chains | Accession | Name | Type |
|---|---|---|---|
| C [auth R] | IPR010884 | 6-Cysteine (6-Cys) domain | Domain |
| C [auth R] | IPR038160 | 6-Cysteine (6-Cys) domain superfamily | Homologous Superfamily |














