negative stain EM of BG505 SOSIP.664 in complex with sCD4, 17b, and 8ANC195
Domain Annotation: SCOP2 Classification SCOP2 Database Homepage
| Chains | Type | Family Name | Domain Identifier | Family Identifier | Provenance Source (Version) |
|---|---|---|---|---|---|
| J | SCOP2B Superfamily | Immunoglobulin (Ig) domain-like | 8054739 | 3000071 | SCOP2B (2022-06-29) |
| J | SCOP2B Superfamily | Immunoglobulin (Ig) domain-like | 8054493 | 3000071 | SCOP2B (2022-06-29) |
| F | SCOP2B Superfamily | Immunoglobulin (Ig) domain-like | 8054739 | 3000071 | SCOP2B (2022-06-29) |
| F | SCOP2B Superfamily | Immunoglobulin (Ig) domain-like | 8054493 | 3000071 | SCOP2B (2022-06-29) |
| B | SCOP2B Superfamily | Immunoglobulin (Ig) domain-like | 8054739 | 3000071 | SCOP2B (2022-06-29) |
| B | SCOP2B Superfamily | Immunoglobulin (Ig) domain-like | 8054493 | 3000071 | 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) |
|---|---|---|---|---|---|---|---|---|
| R | e5a7xR1 | A: Rossmann-like | X: 26S proteasome subunit Rpn2 C-terminal domain | H: 26S proteasome subunit Rpn2 C-terminal domain | T: DHFR_1 | F: | ECOD (20:10:01) | |
| R | e5a7xR2 | A: Lipocalins/Streptavidin | X: SAM/DNA-glycosylase | H: SAM domain-like | T: EF-hand_1, EF-hand_6, EF-hand_7 | F: | ECOD (20:10:01) | |
| P | e5a7xP2 | A: Rossmann-like | X: 26S proteasome subunit Rpn2 C-terminal domain | H: 26S proteasome subunit Rpn2 C-terminal domain | T: DHFR_1 | F: | ECOD (20:10:01) | |
| P | e5a7xP1 | A: Lipocalins/Streptavidin | X: SAM/DNA-glycosylase | H: SAM domain-like | T: EF-hand_1, EF-hand_6, EF-hand_7 | F: | ECOD (20:10:01) | |
| N | e5a7xN1 | A: Rossmann-like | X: 26S proteasome subunit Rpn2 C-terminal domain | H: 26S proteasome subunit Rpn2 C-terminal domain | T: DHFR_1 | F: | ECOD (20:10:01) | |
| N | e5a7xN2 | A: Lipocalins/Streptavidin | X: SAM/DNA-glycosylase | H: SAM domain-like | T: EF-hand_1, EF-hand_6, EF-hand_7 | F: | ECOD (20:10:01) | |
| Q | e5a7xQ1 | A: Rossmann-like | X: 26S proteasome subunit Rpn2 C-terminal domain | H: 26S proteasome subunit Rpn2 C-terminal domain | T: DHFR_1 | F: | ECOD (20:10:01) | |
| O | e5a7xO1 | A: Rossmann-like | X: 26S proteasome subunit Rpn2 C-terminal domain | H: 26S proteasome subunit Rpn2 C-terminal domain | T: DHFR_1 | F: | ECOD (20:10:01) | |
| M | e5a7xM1 | A: Rossmann-like | X: 26S proteasome subunit Rpn2 C-terminal domain | H: 26S proteasome subunit Rpn2 C-terminal domain | T: DHFR_1 | F: | ECOD (20:10:01) | |
| L | e5a7xL1 | A: Rossmann-like | X: 26S proteasome subunit Rpn2 C-terminal domain | H: 26S proteasome subunit Rpn2 C-terminal domain | T: DHFR_1 | F: | ECOD (20:10:01) | |
| L | e5a7xL2 | A: Lipocalins/Streptavidin | X: SAM/DNA-glycosylase | H: SAM domain-like | T: EF-hand_1, EF-hand_6, EF-hand_7 | F: | ECOD (20:10:01) | |
| H | e5a7xH1 | A: Rossmann-like | X: 26S proteasome subunit Rpn2 C-terminal domain | H: 26S proteasome subunit Rpn2 C-terminal domain | T: DHFR_1 | F: | ECOD (20:10:01) | |
| H | e5a7xH2 | A: Lipocalins/Streptavidin | X: SAM/DNA-glycosylase | H: SAM domain-like | T: EF-hand_1, EF-hand_6, EF-hand_7 | F: | ECOD (20:10:01) | |
| D | e5a7xD1 | A: Rossmann-like | X: 26S proteasome subunit Rpn2 C-terminal domain | H: 26S proteasome subunit Rpn2 C-terminal domain | T: DHFR_1 | F: | ECOD (20:10:01) | |
| D | e5a7xD2 | A: Lipocalins/Streptavidin | X: SAM/DNA-glycosylase | H: SAM domain-like | T: EF-hand_1, EF-hand_6, EF-hand_7 | F: | ECOD (20:10:01) | |
| K | e5a7xK1 | A: Rossmann-like | X: 26S proteasome subunit Rpn2 C-terminal domain | H: 26S proteasome subunit Rpn2 C-terminal domain | T: DHFR_1 | F: | ECOD (20:10:01) | |
| G | e5a7xG1 | A: Rossmann-like | X: 26S proteasome subunit Rpn2 C-terminal domain | H: 26S proteasome subunit Rpn2 C-terminal domain | T: DHFR_1 | F: | ECOD (20:10:01) | |
| C | e5a7xC1 | A: Rossmann-like | X: 26S proteasome subunit Rpn2 C-terminal domain | H: 26S proteasome subunit Rpn2 C-terminal domain | T: DHFR_1 | F: | ECOD (20:10:01) | |
| J | e5a7xJ1 | A: Rossmann-like | X: 26S proteasome subunit Rpn2 C-terminal domain | H: 26S proteasome subunit Rpn2 C-terminal domain | T: DHFR_1 | F: | ECOD (20:10:01) | |
| F | e5a7xF1 | A: Rossmann-like | X: 26S proteasome subunit Rpn2 C-terminal domain | H: 26S proteasome subunit Rpn2 C-terminal domain | T: DHFR_1 | F: | ECOD (20:10:01) | |
| B | e5a7xB1 | A: Rossmann-like | X: 26S proteasome subunit Rpn2 C-terminal domain | H: 26S proteasome subunit Rpn2 C-terminal domain | T: DHFR_1 | F: | ECOD (20:10:01) | |
| I | e5a7xI1 | A: Immunoglobulin-like beta-sandwich | X: Immunoglobulin-related | H: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | T: AWS | F: | ECOD (20:10:01) | |
| E | e5a7xE1 | A: Immunoglobulin-like beta-sandwich | X: Immunoglobulin-related | H: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | T: AWS | F: | ECOD (20:10:01) | |
| A | e5a7xA1 | A: Immunoglobulin-like beta-sandwich | X: Immunoglobulin-related | H: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | T: AWS | F: | ECOD (20:10:01) |
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 |
|---|---|---|---|---|---|---|---|---|
| 8ANC195 variant G52K5 mAb, anti-gp120 [HIV-1], broadly | VH-CH1 | Homo sapiens (human) | IGHV1-69*01, IGHV1-69*04, IGHV1-69*06, IGHV1-69*09, IGHV1-69*10, IGHV1-69*11, IGHV1-69*12, IGHV1-69*13, IGHV1-69*14, IGHV1-69D*01, IGHJ5*01, IGHG1*03 | V-DOMAIN VH, C-DOMAIN CH1 | IG | FAB-GAMMA-1_KAPPA | IMGT (202609-0) | |
| 8ANC195 variant G52K5 mAb, anti-gp120 [HIV-1], broadly | L-KAPPA | Homo sapiens (human) | IGKV1-5*01, IGKV1-5*02, IGKV1-5*03, IGKJ1*01, IGKC*01 | V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA | IG | FAB-GAMMA-1_KAPPA | IMGT (202609-0) | |
| neutralizing | VH-CH1 | Homo sapiens (human) | IGHV1-69*02, IGHV1-69*04, IGHV1-69*08, IGHV1-69*09, IGHJ1*01, IGHG1*01, IGHG1*02, IGHG1*04, IGHG1*05 | V-DOMAIN VH, C-DOMAIN CH1 | IG | FAB-GAMMA-1_KAPPA | IMGT (202609-0) | |
| neutralizing | L-KAPPA | Homo sapiens (human) | IGKV3-15*01, IGKV3D-15*01, IGKJ2*01, IGKC*01 | V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA | IG | FAB-GAMMA-1_KAPPA | IMGT (202609-0) | |
| CD4 | 1V-1C-LIKE | Homo sapiens (human) | CD4 | V-LIKE-DOMAIN V-LIKE, C-LIKE-DOMAIN C-LIKE | RPI | 1V-1C-LIKE | IMGT (202609-0) |
SAbDab Antibody Annotation SAbDab Database Homepage
| Chain | Chain Class | Chain Subclass | Chain Type | Antigen Name(s) | Provenance Source |
|---|---|---|---|---|---|
| Heavy Chain | IGHV1 | - | hiv-1 yu2 gp120 | SAbDab (2026-03-13) | |
| Light Chain | IGKV1 | Kappa | hiv-1 yu2 gp120 | SAbDab (2026-03-13) | |
| Heavy Chain | IGHV1 | - | hiv-1 yu2 gp120 | SAbDab (2026-03-13) | |
| Light Chain | IGKV3 | Kappa | hiv-1 yu2 gp120 | SAbDab (2026-03-13) |
Protein Family Annotation Pfam Database Homepage
| Chains | Accession | Name | Description | Comments | Source |
|---|---|---|---|---|---|
| PF05790 | Immunoglobulin C2-set domain (C2-set) | Immunoglobulin C2-set domain | Domain | ||
| PF00047 | Immunoglobulin domain (ig) | Immunoglobulin domain | Members of the immunoglobulin superfamily are found in hundreds of proteins of different functions. Examples include antibodies, the giant muscle kinase titin and receptor tyrosine kinases. Immunoglobulin-like domains may be involved in protein-prote ... | Domain | |
Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage
InterPro: Protein Family Classification InterPro Database Homepage
| Chains | Accession | Name | Type |
|---|---|---|---|
| IPR021963 | T cell CD4 receptor C-terminal region | Domain | |
| IPR036179 | Immunoglobulin-like domain superfamily | Homologous Superfamily | |
| IPR013106 | Immunoglobulin V-set domain | Domain | |
| IPR000973 | T-cell surface antigen CD4 | Family | |
| IPR003599 | Immunoglobulin domain subtype | Domain | |
| IPR008424 | Immunoglobulin C2-set | Domain | |
| IPR013151 | Immunoglobulin-like beta-sandwich domain | Domain | |
| IPR015274 | CD4, extracellular | Domain | |
| IPR013783 | Immunoglobulin-like fold | Homologous Superfamily | |
| IPR007110 | Immunoglobulin-like domain | Domain | |
| IPR003598 | Immunoglobulin subtype 2 | Domain | |
| IPR000777 | Human immunodeficiency virus 1, envelope glycoprotein Gp120 | Domain | |
| IPR036377 | Gp120 core superfamily | Homologous Superfamily | |
| IPR000328 | Retroviral envelope protein GP41-like | Domain | |
| IPR037527 | Envelope glycoprotein Gp160 | Family |














