Crystal structure of HIV neutralizing antibody 2G12 in complex with a bacterial oligosaccharide analog of mammalian oligomanose
Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage
| Chains | Domain Info | Class | Fold | Superfamily | Family | Domain | Species | Provenance Source (Version) |
|---|---|---|---|---|---|---|---|---|
| C [auth K] | d4rbpk2 | All beta proteins | Immunoglobulin-like beta-sandwich | Immunoglobulin | C1 set domains (antibody constant domain-like) | automated matches | (Homo sapiens ) [TaxId: 9606 ], | SCOPe (2.08) |
| C [auth K] | d4rbpk1 | All beta proteins | Immunoglobulin-like beta-sandwich | Immunoglobulin | automated matches | automated matches | (Homo sapiens ) [TaxId: 9606 ], | SCOPe (2.08) |
| A [auth L] | d4rbpl2 | All beta proteins | Immunoglobulin-like beta-sandwich | Immunoglobulin | C1 set domains (antibody constant domain-like) | automated matches | (Homo sapiens ) [TaxId: 9606 ], | SCOPe (2.08) |
| A [auth L] | d4rbpl1 | All beta proteins | Immunoglobulin-like beta-sandwich | Immunoglobulin | automated matches | automated matches | (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) |
|---|---|---|---|---|---|---|---|---|
| D [auth M] | Peptidase_S8 | e4rbpM1 | A: a/b three-layered sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: PEBP-like | F: Peptidase_S8 | ECOD (v294.1) |
| B [auth H] | Peptidase_S8 | e4rbpH1 | A: a/b three-layered sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: PEBP-like | F: Peptidase_S8 | ECOD (v294.1) |
| C [auth K] | Peptidase_S8 | e4rbpK1 | A: a/b three-layered sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: PEBP-like | F: Peptidase_S8 | ECOD (v294.1) |
| A [auth L] | Peptidase_S8 | e4rbpL1 | A: a/b three-layered sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: PEBP-like | F: Peptidase_S8 | ECOD (v294.1) |
Domain Annotation: CATH CATH Database Homepage
| Chain | Domain | Class | Architecture | Topology | Homology | Provenance Source (Version) |
|---|---|---|---|---|---|---|
| D [auth M] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (4.3.0) |
| B [auth H] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (4.3.0) |
| C [auth K] | 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], D [auth M] | 2G12 mAb, anti-gp120 oligomannose [HIV-1], neutralizing | VH-CH1 | Homo sapiens (human) | IGHV3-21*01, IGHV3-21*02, IGHV3-21*04, IGHV3-21*03, IGHJ3*01, IGHG1*01, IGHG1*02, IGHG1*04 | V-DOMAIN VH, C-DOMAIN CH1 | IG | FAB-GAMMA-1_KAPPA | IMGT (202611-0) |
| A [auth L], C [auth K] | 2G12 mAb, anti-gp120 oligomannose [HIV-1], neutralizing | L-KAPPA | Homo sapiens (human) | IGKV1-5*03, IGKJ1*01, IGKJ5*01, IGKC*01 | V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA | IG | FAB-GAMMA-1_KAPPA | IMGT (202611-0) |
SAbDab Antibody Annotation SAbDab Database Homepage
| Chain | Chain Class | Chain Subclass | Chain Type | Antigen Name(s) | Provenance Source |
|---|---|---|---|---|---|
| B [auth H], D [auth M] | Heavy Chain | IGHV3 | - | polysaccharide | SAbDab (2026-03-27) |
| A [auth L], C [auth K] | Light Chain | IGKV1 | Kappa | polysaccharide | SAbDab (2026-03-27) |
