Anti-phosphotyrosine antibody PY20-4D5 Fab complexed with sulfate
External Resource: Annotation
Domain Annotation: ECOD Classification ECOD Database Homepage
| Chains | Family Name | Domain Identifier | Architecture | Possible Homology | Homology | Topology | Family | Provenance Source (Version) |
|---|---|---|---|---|---|---|---|---|
| D [auth B] | Bromodomain | e6dezB1 | A: alpha bundles | X: PriB N-terminal domain-like | H: HTH | T: SH3 | F: Bromodomain | ECOD (develop294) |
| B [auth H] | Bromodomain | e6dezH1 | A: alpha bundles | X: PriB N-terminal domain-like | H: HTH | T: SH3 | F: Bromodomain | ECOD (develop294) |
| C [auth A] | Bromodomain | e6dezA1 | A: alpha bundles | X: PriB N-terminal domain-like | H: HTH | T: SH3 | F: Bromodomain | ECOD (develop294) |
| A [auth L] | Bromodomain | e6dezL1 | A: alpha bundles | X: PriB N-terminal domain-like | H: HTH | T: SH3 | F: Bromodomain | ECOD (develop294) |
Domain Annotation: CATH CATH Database Homepage
| Chain | Domain | Class | Architecture | Topology | Homology | Provenance Source (Version) |
|---|---|---|---|---|---|---|
| D [auth B] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| B [auth H] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| C [auth A] | 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 B] | Fab PY20-4D5 | VH-CH1 | Homo sapiens (human) | IGHV3-64*01, IGHV3-64*04, IGHV3-74*01, IGHV3-74*02, IGHV3-74*03, IGHV3-23*04, IGHJ4*01, IGHJ4*02, IGHJ4*03, IGHG1*01, IGHG1*02, IGHG1*04, IGHG1*05 | V-DOMAIN VH, C-DOMAIN CH1 | IG | FAB-GAMMA-1_KAPPA | IMGT (202610-0) |
| A [auth L], C [auth A] | Fab PY20-4D5 | L-KAPPA | Homo sapiens (human) | IGKV1-16*01, IGKV1-39*01, IGKV1D-39*01, IGKJ1*01, IGKC*01 | V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA | IG | FAB-GAMMA-1_KAPPA | IMGT (202610-0) |
SAbDab Antibody Annotation SAbDab Database Homepage
| Chain | Chain Class | Chain Subclass | Chain Type | Antigen Name(s) | Provenance Source |
|---|---|---|---|---|---|
| B [auth H], D [auth B] | Heavy Chain | IGHV3 | - | - | SAbDab (2026-03-20) |
| A [auth L], C [auth A] | Light Chain | IGKV1 | Kappa | - | SAbDab (2026-03-20) |














