ISDA

Deposition Date 2024-12-12

Release Date 2025-05-21

Last Version Date 2025-05-28

Entry Detail

PDB ID:

9MII

Keywords:

VIRAL PROTEIN

Title:

253-7A03 Fab in complex with HIV-1 BG505 SOSIP Env trimer and RM20A3 Fab

Biological Source:

Source Organism:

Human immunodeficiency virus 1 (Taxon ID: 11676)
Macaca mulatta (Taxon ID: 9544)
Homo sapiens (Taxon ID: 9606)

Host Organism:

Homo sapiens

Method Details:

Experimental Method:

ELECTRON MICROSCOPY

Resolution:

3.30 Å

Aggregation State:

PARTICLE

Reconstruction Method:

SINGLE PARTICLE

Download Validation Report

Macromolecular Entities

Protein Blast

Polymer Type:polypeptide(L)
Molecule:HIV-1 Envelope Glycoprotein BG505 SOSIP.664 gp120
Gene (Uniprot):env
Chain IDs:A, E (auth: C), I (auth: E)
Chain Length:516
Number of Molecules:3
Biological Source:Human immunodeficiency virus 1

UniProt ID:Q2N0S6 Pfam ID:PF00516, PF00517

Protein Blast

Polymer Type:polypeptide(L)
Molecule:Envelope glycoprotein gp160
Gene (Uniprot):env
Chain IDs:B, F (auth: D), J (auth: F)
Chain Length:153
Number of Molecules:3
Biological Source:Human immunodeficiency virus 1

UniProt ID:D0PUM0

Polymer Type:polypeptide(L)
Molecule:RM20A3 heavy chain Fv
Chain IDs:C (auth: G), G (auth: J), K (auth: M)
Chain Length:125
Number of Molecules:3
Biological Source:Macaca mulatta

Polymer Type:polypeptide(L)
Molecule:253-7A03 heavy chain Fv
Chain IDs:M (auth: H)
Chain Length:119
Number of Molecules:1
Biological Source:Homo sapiens

Polymer Type:polypeptide(L)
Molecule:RM20A3 light chain Fv
Chain IDs:D (auth: I), H (auth: K), L (auth: N)
Chain Length:128
Number of Molecules:3
Biological Source:Macaca mulatta

Polymer Type:polypeptide(L)
Molecule:253-7A03 lambda chain Fv
Chain IDs:N (auth: L)
Chain Length:100
Number of Molecules:1
Biological Source:Homo sapiens

Ligand Molecules

NAG

Primary Citation

Precise targeting of HIV broadly neutralizing antibody precursors in humans.

Caniels, T.G, Prabhakaran, M, Ozorowski, G, MacPhee, K.J, Wu, W, van der Straten, K, Agrawal, S, Derking, R, Reiss, E.I.M.M, Millard, K, Turroja, M, Desrosiers, A, Bethony, J, Malkin, E, Liesdek, M.H, van der Veen, A, Klouwens, M, Snitselaar, J.L, Bouhuijs, J.H, Bronson, R, Jean-Baptiste, J, Gajjala, S, Rikhtegaran Tehrani, Z, Benner, A, Ramaswami, M, Duff, M.O, Liu, Y.W, Sato, A.H, Kim, J.Y, Baken, I.J.L, Mendes Silva, C, Bijl, T.P.L, van Rijswijk, J, Burger, J.A, Cupo, A, Yasmeen, A, Phulera, S, Lee, W.H, Randall Jr, K.N, Zhang, S, Corcoran, M.M, Regadas, I, Sullivan, A.C, Brown, D.M, Bohl, J.A, Greene, K.M, Gao, H, Yates, N.L, Sawant, S, Prins, J.M, Kootstra, N.A, Kaminsky, S.M, Barin, B, Rahaman, F, Meller, M, Philiponis, V, Laufer, D.S, Lombardo, A, Mwoga, L, Shotorbani, S, Holman, D, Koup, R.A, Klasse, P.J, Karlsson Hedestam, G.B, Tomaras, G.D, van Gils, M.J, Montefiori, D.C, McDermott, A.B, Hyrien, O, Moore, J.P, Wilson, I.A, Ward, A.B, Diemert, D.J, de Bree, G.J, Andrews, S.F, Caskey, M, Sanders, R.W.Show

Science ? eadv5572 eadv5572 (2025)

PMID: 40373114 DOI: 10.1126/science.adv5572

Abstact

A protective HIV vaccine will need to induce broadly neutralizing antibodies (bnAbs) in humans, but priming rare bnAb precursor B cells has been challenging. In a double-blinded, placebo-controlled phase 1 human clinical trial, the recombinant, germline-targeting envelope glycoprotein (Env) trimer BG505 SOSIP.v4.1-GT1.1, adjuvanted with AS01B, induced bnAb precursors of the VRC01-class at a high frequency in the majority of vaccine recipients. These bnAb precursors, that target the CD4 receptor binding site, had undergone somatic hypermutation characteristic of the VRC01-class. A subset of isolated VRC01-class monoclonal antibodies neutralized wild-type pseudoviruses and was structurally extremely similar to bnAb VRC01. These results further support germline-targeting approaches for human HIV vaccine design and demonstrate atomic-level manipulation of B cell responses with rational vaccine design.

Legend

Protein

Chemical

Disease

Primary Citation of related structures