Structure and functional dissection of PG16, an antibody with broad and potent neutralization of HIV-1
External Resource: Annotation
Domain Annotation: ECOD Classification ECOD Database Homepage
| Chains | Family Name | Domain Identifier | Architecture | Possible Homology | Homology | Topology | Family | Provenance Source (Version) |
|---|---|---|---|---|---|---|---|---|
| A [auth H] | PBP | e3mmeH1 | A: alpha bundles | X: Lipocalins/Streptavidin | H: Immunoglobulin-related | T: PEBP-like | F: PBP | ECOD (develop294) |
| C [auth A] | PBP | e3mmeA1 | A: alpha bundles | X: Lipocalins/Streptavidin | H: Immunoglobulin-related | T: PEBP-like | F: PBP | ECOD (develop294) |
| E [auth C] | PBP | e3mmeC1 | A: alpha bundles | X: Lipocalins/Streptavidin | H: Immunoglobulin-related | T: PEBP-like | F: PBP | ECOD (develop294) |
| B [auth L] | MR_MLE_C | e3mmeL1 | A: alpha bundles | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Cu,Zn superoxide dismutase-like | F: MR_MLE_C | ECOD (develop294) |
| D [auth B] | PBP | e3mmeB1 | A: alpha bundles | X: Lipocalins/Streptavidin | H: Immunoglobulin-related | T: PEBP-like | F: PBP | ECOD (develop294) |
| F [auth D] | PBP | e3mmeD1 | A: alpha bundles | X: Lipocalins/Streptavidin | H: Immunoglobulin-related | T: PEBP-like | F: PBP | ECOD (develop294) |
Domain Annotation: CATH CATH Database Homepage
| Chain | Domain | Class | Architecture | Topology | Homology | Provenance Source (Version) |
|---|---|---|---|---|---|---|
| A [auth H] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (4.3.0) |
| C [auth A] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (4.3.0) |
| E [auth C] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (4.3.0) |
| B [auth L] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (4.3.0) |
| D [auth B] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (4.3.0) |
| F [auth D] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | 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 |
|---|---|---|---|---|---|---|---|---|
| A [auth H], C [auth A], E [auth C] | PG16 mAb, anti-gp120 V1-V2 glycon specific [HIV-1], broadly | VH-CH1 | Homo sapiens (human) | IGHV3-30*03, IGHV3-30*06, IGHV3-30*12, IGHV3-30*15, IGHV3-30*19, IGHV3-33*05, IGHJ6*03, IGHG1*03 | V-DOMAIN VH, C-DOMAIN CH1 | IG | FAB-GAMMA-1_LAMBDA | IMGT (202610-0) |
| B [auth L], D [auth B], F [auth D] | PG16 mAb, anti-gp120 V1-V2 glycon specific [HIV-1], broadly | L-LAMBDA | Homo sapiens (human) | IGLV2-14*01, IGLJ1*01, IGLJ2*01, IGLJ3*02, IGLJ6*01, IGLJ3*01, IGLC3*03 | V-DOMAIN V-LAMBDA, C-DOMAIN C-LAMBDA | IG | FAB-GAMMA-1_LAMBDA | IMGT (202610-0) |
SAbDab Antibody Annotation SAbDab Database Homepage
| Chain | Chain Class | Chain Subclass | Chain Type | Antigen Name(s) | Provenance Source |
|---|---|---|---|---|---|
| A [auth H], C [auth A], E [auth C] | Heavy Chain | IGHV3 | - | polysaccharide | SAbDab (2026-03-20) |
| B [auth L], D [auth B], F [auth D] | Light Chain | IGLV2 | Lambda | polysaccharide | SAbDab (2026-03-20) |














