Cryo-EM Structure of CAP256-VRC26.25 Fab bound to HIV-1 Env trimer CAP256.wk34.c80 SOSIP.RnS2
Domain Annotation: SCOP2 Classification SCOP2 Database Homepage
| Chains | Type | Family Name | Domain Identifier | Family Identifier | Provenance Source (Version) |
|---|---|---|---|---|---|
| C [auth G] | SCOP2 Family | gp120 core | 8096289 | 4002534 | SCOP2 (2022-06-29) |
| C [auth G] | SCOP2 Superfamily | gp120 core | 8096290 | 3001390 | SCOP2 (2022-06-29) |
Domain Annotation: ECOD Classification ECOD Database Homepage
| Chains | Family Name | Domain Identifier | Architecture | Possible Homology | Homology | Topology | Family | Provenance Source (Version) |
|---|---|---|---|---|---|---|---|---|
| H [auth C] | Cation_ATPase_C,Cation_ATPase_N | e6vttC1 | A: alpha arrays | X: putative RnfG subunit of electron transport complex | H: putative RnfG subunit of electron transport complex | T: Class I glutamine amidotransferase-like | F: Cation_ATPase_C,Cation_ATPase_N | ECOD (v295.2) |
| G [auth B] | NADH_4Fe-4S | e6vttB1 | A: alpha arrays | X: putative RnfG subunit of electron transport complex | H: putative RnfG subunit of electron transport complex | T: Class I glutamine amidotransferase-like | F: NADH_4Fe-4S | ECOD (v295.2) |
| F [auth A] | Cation_ATPase_C,Cation_ATPase_N | e6vttA1 | A: alpha arrays | X: putative RnfG subunit of electron transport complex | H: putative RnfG subunit of electron transport complex | T: Class I glutamine amidotransferase-like | F: Cation_ATPase_C,Cation_ATPase_N | ECOD (v295.2) |
| E [auth L] | NADH_4Fe-4S | e6vttL1 | A: alpha arrays | X: putative RnfG subunit of electron transport complex | H: putative RnfG subunit of electron transport complex | T: Class I glutamine amidotransferase-like | F: NADH_4Fe-4S | ECOD (v295.2) |
| D [auth H] | NADH_4Fe-4S | e6vttH1 | A: alpha arrays | X: putative RnfG subunit of electron transport complex | H: putative RnfG subunit of electron transport complex | T: Class I glutamine amidotransferase-like | F: NADH_4Fe-4S | ECOD (v295.2) |
| C [auth G] | NADH_4Fe-4S | e6vttG1 | A: alpha arrays | X: putative RnfG subunit of electron transport complex | H: putative RnfG subunit of electron transport complex | T: Class I glutamine amidotransferase-like | F: NADH_4Fe-4S | ECOD (v295.2) |
| B [auth E] | Cation_ATPase_C,Cation_ATPase_N | e6vttE1 | A: alpha arrays | X: putative RnfG subunit of electron transport complex | H: putative RnfG subunit of electron transport complex | T: Class I glutamine amidotransferase-like | F: Cation_ATPase_C,Cation_ATPase_N | ECOD (v295.2) |
| A [auth F] | Cation_ATPase_C,Cation_ATPase_N | e6vttF1 | A: alpha arrays | X: putative RnfG subunit of electron transport complex | H: putative RnfG subunit of electron transport complex | T: Class I glutamine amidotransferase-like | F: Cation_ATPase_C,Cation_ATPase_N | ECOD (v295.2) |
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 |
|---|---|---|---|---|---|---|---|---|
| E [auth L] | Fab VRC26.25 | L-LAMBDA | Homo sapiens (human) | IGLV1-51*02, IGLC1*02, IGLC2*01, IGLC2*02, IGLC3*04, IGLL5*02, IGLL5*01 | V-DOMAIN V-LAMBDA, C-DOMAIN C-LAMBDA | IG | FAB-GAMMA-1_LAMBDA | IMGT (202640-0) |
| D [auth H] | Fab VRC26.25 | VH-CH1 | Homo sapiens (human) | IGHV3-30*18, IGHV3-30-5*01, IGHJ3*01, IGHJ3*02, IGHG1*03, IGHG1*08, IGHG1*06 | V-DOMAIN VH, C-DOMAIN CH1 | IG | FAB-GAMMA-1_LAMBDA | IMGT (202640-0) |
SAbDab Antibody Annotation SAbDab Database Homepage
| Chain | Chain Class | Chain Subclass | Chain Type | Antigen Name(s) | Provenance Source |
|---|---|---|---|---|---|
| E [auth L] | Light Chain | IGLV1 | Lambda | envelope glycoprotein gp120 | envelope glycoprotein gp120 | envelope glycoprotein gp120 | SAbDab (2026-10-16) |
| D [auth H] | Heavy Chain | IGHV3 | - | envelope glycoprotein gp120 | envelope glycoprotein gp120 | envelope glycoprotein gp120 | SAbDab (2026-10-16) |
Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage
| Chains | Polymer | Molecular Function | Biological Process | Cellular Component |
|---|---|---|---|---|
| F [auth A], G [auth B], H [auth C] | Envelope glycoprotein gp41 | - | - | - |
| E [auth L] | VRC26.25 Light Chain | - | - | |
| D [auth H] | VRC26.25 Heavy Chain | - | - | - |
| A [auth F], B [auth E], C [auth G] | Envelope glycoprotein gp120 | - | - | - |
InterPro: Protein Family Classification InterPro Database Homepage
| Chains | Accession | Name | Type |
|---|---|---|---|
| E [auth L] | IPR003597 | Immunoglobulin C1-set | Domain |
| E [auth L] | IPR050150 | Immunoglobulin Variable Light Chain | Family |
| E [auth L] | IPR013783 | Immunoglobulin-like fold | Homologous Superfamily |
| E [auth L] | IPR036179 | Immunoglobulin-like domain superfamily | Homologous Superfamily |
| E [auth L] | IPR013106 | Immunoglobulin V-set domain | Domain |
| E [auth L] | IPR003599 | Immunoglobulin domain subtype | Domain |
| E [auth L] | IPR007110 | Immunoglobulin-like domain | Domain |
| E [auth L] | IPR003006 | Immunoglobulin/major histocompatibility complex, conserved site | Conserved Site |
Protein Modification Annotation
| Modified Residue(s) | ||
|---|---|---|
| Chain | Residue(s) | Description |
| D [auth H] | TYS | Parent Component: TYR : AA0172 : O4'-sulfo-L-tyrosine MOD:00181 |