Crystal structure of human Fab PGT122, a broadly reactive and potent HIV-1 neutralizing antibody
Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage
| Chains | Domain Info | Class | Fold | Superfamily | Family | Domain | Species | Provenance Source (Version) |
|---|---|---|---|---|---|---|---|---|
| B [auth H] | d4jy5h_ | All beta proteins | Immunoglobulin-like beta-sandwich | Immunoglobulin | automated matches | automated matches | human (Homo sapiens ) [TaxId: 9606 ], | SCOPe (2.08) |
| A [auth L] | d4jy5l2 | All beta proteins | Immunoglobulin-like beta-sandwich | Immunoglobulin | C1 set domains (antibody constant domain-like) | automated matches | human (Homo sapiens ) [TaxId: 9606 ], | SCOPe (2.08) |
| A [auth L] | d4jy5l1 | All beta proteins | Immunoglobulin-like beta-sandwich | Immunoglobulin | automated matches | automated matches | human (Homo sapiens ) [TaxId: 9606 ], | SCOPe (2.08) |
Domain Annotation: ECOD Classification ECOD Database Homepage
| Chains | Family Name | Domain Identifier | Architecture | Possible Homology | Homology | Topology | Family | Provenance Source (Version) |
|---|---|---|---|---|---|---|---|---|
| B [auth H] | e4jy5H1 | A: alpha bundles | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (develop294) | |
| A [auth L] | e4jy5L1 | A: alpha bundles | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (develop294) |
Domain Annotation: CATH CATH Database Homepage
| Chain | Domain | Class | Architecture | Topology | Homology | Provenance Source (Version) |
|---|---|---|---|---|---|---|
| B [auth H] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (4.3.0) |
| A [auth L] | 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 |
|---|---|---|---|---|---|---|---|---|
| B [auth H] | PGT122 mAb, anti-gp120 [HIV-1], broadly neutralizing | VH-CH1 | Homo sapiens (human) | IGHV4-59*02, IGHJ3*01, IGHG1*03 | V-DOMAIN VH, C-DOMAIN CH1 | IG | FAB-GAMMA-1_LAMBDA | IMGT (202610-0) |
| A [auth L] | PGT122 mAb, anti-gp120 [HIV-1], broadly neutralizing | L-LAMBDA | Homo sapiens (human) | IGLV3-21*01, IGLV3-21*02, IGLJ3*02, 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 |
|---|---|---|---|---|---|
| B [auth H] | Heavy Chain | IGHV4 | - | - | SAbDab (2026-03-20) |
| A [auth L] | Light Chain | IGLV3 | Lambda | - | SAbDab (2026-03-20) |
