Cryo-EM structure at 3.8 A resolution of HIV-1 fusion peptide-directed antibody, DF1W-a.01, elicited by vaccination of Rhesus macaques, in complex with stabilized HIV-1 Env BG505 DS-SOSIP, which was also bound to antibodies VRC03 and PGT122
Domain Annotation: SCOP2 Classification SCOP2 Database Homepage
| Chains | Type | Family Name | Domain Identifier | Family Identifier | Provenance Source (Version) |
|---|---|---|---|---|---|
| H [auth C] | SCOP2B Superfamily | gp120 core | 8080371 | 3001390 | SCOP2B (2022-06-29) |
| G [auth B] | SCOP2B Superfamily | gp120 core | 8080371 | 3001390 | SCOP2B (2022-06-29) |
| F [auth A] | SCOP2B Superfamily | gp120 core | 8080371 | 3001390 | SCOP2B (2022-06-29) |
| J [auth E] | SCOP2B Superfamily | Virus ectodomain | 8085620 | 3001628 | SCOP2B (2022-06-29) |
| I [auth D] | SCOP2B Superfamily | Virus ectodomain | 8085620 | 3001628 | SCOP2B (2022-06-29) |
| E [auth 6] | SCOP2B Superfamily | Virus ectodomain | 8085620 | 3001628 | SCOP2B (2022-06-29) |
Domain Annotation: ECOD Classification ECOD Database Homepage
| Chains | Family Name | Domain Identifier | Architecture | Possible Homology | Homology | Topology | Family | Provenance Source (Version) |
|---|---|---|---|---|---|---|---|---|
| X [auth i] | Lys | e6mphi1 | A: alpha arrays | X: Ten stranded beta/alpha barrel | H: Ten stranded beta/alpha barrel | T: Ten stranded beta/alpha barrel | F: Lys | ECOD (v295.2) |
| W [auth h] | Lys | e6mphh1 | A: alpha arrays | X: Ten stranded beta/alpha barrel | H: Ten stranded beta/alpha barrel | T: Ten stranded beta/alpha barrel | F: Lys | ECOD (v295.2) |
| P [auth R] | Lys | e6mphR1 | A: alpha arrays | X: Ten stranded beta/alpha barrel | H: Ten stranded beta/alpha barrel | T: Ten stranded beta/alpha barrel | F: Lys | ECOD (v295.2) |
| V [auth g] | Lys | e6mphg1 | A: alpha arrays | X: Ten stranded beta/alpha barrel | H: Ten stranded beta/alpha barrel | T: Ten stranded beta/alpha barrel | F: Lys | ECOD (v295.2) |
| U [auth f] | Lys | e6mphf1 | A: alpha arrays | X: Ten stranded beta/alpha barrel | H: Ten stranded beta/alpha barrel | T: Ten stranded beta/alpha barrel | F: Lys | ECOD (v295.2) |
| O [auth Q] | PDEase_I | e6mphQ1 | A: alpha arrays | X: Ten stranded beta/alpha barrel | H: Ten stranded beta/alpha barrel | T: Ten stranded beta/alpha barrel | F: PDEase_I | ECOD (v295.2) |
| T [auth a] | Lys | e6mpha1 | A: alpha arrays | X: Ten stranded beta/alpha barrel | H: Ten stranded beta/alpha barrel | T: Ten stranded beta/alpha barrel | F: Lys | ECOD (v295.2) |
| S [auth Z] | Lys | e6mphZ1 | A: alpha arrays | X: Ten stranded beta/alpha barrel | H: Ten stranded beta/alpha barrel | T: Ten stranded beta/alpha barrel | F: Lys | ECOD (v295.2) |
| N | Lys | e6mphN1 | A: alpha arrays | X: Ten stranded beta/alpha barrel | H: Ten stranded beta/alpha barrel | T: Ten stranded beta/alpha barrel | F: Lys | ECOD (v295.2) |
| R [auth Y] | Lys | e6mphY1 | A: alpha arrays | X: Ten stranded beta/alpha barrel | H: Ten stranded beta/alpha barrel | T: Ten stranded beta/alpha barrel | F: Lys | ECOD (v295.2) |
| Q [auth X] | Lys | e6mphX1 | A: alpha arrays | X: Ten stranded beta/alpha barrel | H: Ten stranded beta/alpha barrel | T: Ten stranded beta/alpha barrel | F: Lys | ECOD (v295.2) |
| M | Lys | e6mphM1 | A: alpha arrays | X: Ten stranded beta/alpha barrel | H: Ten stranded beta/alpha barrel | T: Ten stranded beta/alpha barrel | F: Lys | ECOD (v295.2) |
| H [auth C] | Lys | e6mphC1 | A: alpha arrays | X: Ten stranded beta/alpha barrel | H: Ten stranded beta/alpha barrel | T: Ten stranded beta/alpha barrel | F: Lys | ECOD (v295.2) |
| G [auth B] | Lys | e6mphB1 | A: alpha arrays | X: Ten stranded beta/alpha barrel | H: Ten stranded beta/alpha barrel | T: Ten stranded beta/alpha barrel | F: Lys | ECOD (v295.2) |
| F [auth A] | Lys | e6mphA1 | A: alpha arrays | X: Ten stranded beta/alpha barrel | H: Ten stranded beta/alpha barrel | T: Ten stranded beta/alpha barrel | F: Lys | ECOD (v295.2) |
| J [auth E] | Lys | e6mphE1 | A: alpha arrays | X: Ten stranded beta/alpha barrel | H: Ten stranded beta/alpha barrel | T: Ten stranded beta/alpha barrel | F: Lys | ECOD (v295.2) |
| I [auth D] | Lys | e6mphD1 | A: alpha arrays | X: Ten stranded beta/alpha barrel | H: Ten stranded beta/alpha barrel | T: Ten stranded beta/alpha barrel | F: Lys | ECOD (v295.2) |
| E [auth 6] | Lys | e6mph61 | A: alpha arrays | X: Ten stranded beta/alpha barrel | H: Ten stranded beta/alpha barrel | T: Ten stranded beta/alpha barrel | F: Lys | ECOD (v295.2) |
| L | Lys | e6mphL1 | A: alpha arrays | X: Ten stranded beta/alpha barrel | H: Ten stranded beta/alpha barrel | T: Ten stranded beta/alpha barrel | F: Lys | ECOD (v295.2) |
| D [auth 4] | Lys | e6mph41 | A: alpha arrays | X: Ten stranded beta/alpha barrel | H: Ten stranded beta/alpha barrel | T: Ten stranded beta/alpha barrel | F: Lys | ECOD (v295.2) |
| B [auth 2] | PDEase_I | e6mph21 | A: alpha arrays | X: Ten stranded beta/alpha barrel | H: Ten stranded beta/alpha barrel | T: Ten stranded beta/alpha barrel | F: PDEase_I | ECOD (v295.2) |
| K [auth H] | Lys | e6mphH1 | A: alpha arrays | X: Ten stranded beta/alpha barrel | H: Ten stranded beta/alpha barrel | T: Ten stranded beta/alpha barrel | F: Lys | ECOD (v295.2) |
| C [auth 3] | Lys | e6mph31 | A: alpha arrays | X: Ten stranded beta/alpha barrel | H: Ten stranded beta/alpha barrel | T: Ten stranded beta/alpha barrel | F: Lys | ECOD (v295.2) |
| A [auth 1] | PDEase_I | e6mph11 | A: alpha arrays | X: Ten stranded beta/alpha barrel | H: Ten stranded beta/alpha barrel | T: Ten stranded beta/alpha barrel | F: PDEase_I | ECOD (v295.2) |
SAbDab Antibody Annotation SAbDab Database Homepage
| Chain | Chain Class | Chain Subclass | Chain Type | Antigen Name(s) | Provenance Source |
|---|---|---|---|---|---|
| P [auth R], W [auth h], X [auth i] | Light Chain | IGKV3 | Kappa | envelope glycoprotein gp120, pgt122 light chain | SAbDab (2026-09-11) |
| B [auth 2], D [auth 4], L | Light Chain | IGKV2 | Kappa | envelope glycoprotein gp41 | SAbDab (2026-09-11) |
| A [auth 1], C [auth 3], K [auth H] | Heavy Chain | IGHV4 | - | envelope glycoprotein gp41 | SAbDab (2026-09-11) |














