Crystal structure of a polysaccharide-binding human Fab (F598) in complex with N-acetyl-D-glucosamine (GlcNAc)
Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage
| Chains | Domain Info | Class | Fold | Superfamily | Family | Domain | Species | Provenance Source (Version) |
|---|---|---|---|---|---|---|---|---|
| B [auth L] | d6be3l1 | All beta proteins | Immunoglobulin-like beta-sandwich | Immunoglobulin | automated matches | automated matches | (Homo sapiens ) [TaxId: 9606 ], | SCOPe (2.08) |
| A [auth H] | d6be3h1 | All beta proteins | Immunoglobulin-like beta-sandwich | Immunoglobulin | automated matches | automated matches | (Homo sapiens ) [TaxId: 9606 ], | SCOPe (2.08) |
| A [auth H] | d6be3h2 | Artifacts | Tags | Tags | Tags | N-terminal Tags | (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 L] | OB_NTP_bind | e6be3L1 | A: beta barrels | X: FAD-linked reductases, C-terminal domain-like | H: FAD-linked reductases-C | T: FAD-linked reductases-C | F: OB_NTP_bind | ECOD (v294.2) |
| A [auth H] | OB_NTP_bind | e6be3H1 | A: beta barrels | X: FAD-linked reductases, C-terminal domain-like | H: FAD-linked reductases-C | T: FAD-linked reductases-C | F: OB_NTP_bind | ECOD (v294.2) |
Domain Annotation: CATH CATH Database Homepage
| Chain | Domain | Class | Architecture | Topology | Homology | Provenance Source (Version) |
|---|---|---|---|---|---|---|
| B [auth L] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (4.3.0) |
| A [auth H] | 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 L] | Fab F598 | L-LAMBDA | Homo sapiens (human) | IGLV4-69*01, IGLV4-69*02, IGLJ2*01, IGLJ3*02, IGLJ3*01, IGLC2*01, IGLC2*02, IGLC3*04 | V-DOMAIN V-LAMBDA, C-DOMAIN C-LAMBDA | IG | FAB-GAMMA-1_LAMBDA | IMGT (202617-0) |
| A [auth H] | Fab F598 | VH-CH1 | Homo sapiens (human) | IGHV4-59*01, IGHV4-59*08, IGHJ3*02, IGHG1*01, IGHG1*02, IGHG1*04, IGHG1*05 | V-DOMAIN VH, C-DOMAIN CH1 | IG | FAB-GAMMA-1_LAMBDA | IMGT (202617-0) |
SAbDab Antibody Annotation SAbDab Database Homepage
| Chain | Chain Class | Chain Subclass | Chain Type | Antigen Name(s) | Provenance Source |
|---|---|---|---|---|---|
| B [auth L] | Light Chain | IGLV4 | Lambda | N-ACETYL-D-GLUCOSAMINE | SAbDab (2026-05-08) |
| A [auth H] | Heavy Chain | IGHV4 | - | N-ACETYL-D-GLUCOSAMINE | SAbDab (2026-05-08) |














