9pni

Cryo-EM structure of J601-1B2 Fab in complex with HIV-1 BG505 DS-SOSIP Env trimer

Method: ELECTRON MICROSCOPY

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1. Protein Identity and Related Structures Protein Identity & Related Structures

Envelope glycoprotein BG505 DS-SOSIP gp41

Human immunodeficiency virus 1

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 12 其他Polymer 42	Envelope glycoprotein BG505 DS-SOSIP gp120 × 3 （Q2N0S6） J601-1B2 heavy chain × 3 J601-1B2 light chain × 3 beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 21 ;alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 3 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 10 ;alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 3 ;alpha-D-mannopyranose-(1-3)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 5 2-acetamido-2-deoxy-beta-D-glucopyranose × 19 alpha-D-mannopyranose × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q2N0S7_9HIV1
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–153； UniProt 509–661 Author chain B； PDBConstruct 1–153； UniProt 509–661 Author chain F； PDBConstruct 1–153； UniProt 509–661

Envelope glycoprotein BG505 DS-SOSIP gp120

Human immunodeficiency virus 1

UniProt Q2N0S6

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 12 其他Polymer 42	Envelope glycoprotein BG505 DS-SOSIP gp41 × 3 （Q2N0S7） J601-1B2 heavy chain × 3 J601-1B2 light chain × 3 beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 21 ;alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 3 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 10 ;alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 3 ;alpha-D-mannopyranose-(1-3)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 5 2-acetamido-2-deoxy-beta-D-glucopyranose × 19 alpha-D-mannopyranose × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q2N0S6_9HIV1
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain C； PDBConstruct 1–473； UniProt 30–502 Author chain G； PDBConstruct 1–473； UniProt 30–502 Author chain I； PDBConstruct 1–473； UniProt 30–502

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

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2. Structure Basics 2. Structure Basics

Entry ID entry_id	9pni
Deposition date deposition_date	2025-07-21
Structure title title	Cryo-EM structure of J601-1B2 Fab in complex with HIV-1 BG505 DS-SOSIP Env trimer
Keywords keywords	;antibody-antigen complex, fusion peptide directed, viral surface glycoprotein, ANTIVIRAL PROTEIN, VIRAL PROTEIN-IMMUNE SYSTEM complex ;; VIRAL PROTEIN/IMMUNE SYSTEM
Experimental Method method	ELECTRON MICROSCOPY

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3. Official assembly/model SAXS Official SAXS Profiles

This page reads only the latest assembly calculations. Every curve maps to an explicit PDB entry, official biological assembly and coordinate model.

9pni__assembly_1__model_1

Assembly 1 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

9pni__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

9pni__assembly_1__model_1 | P(r) · Pending

P(r) will be calculated and displayed separately for the same assembly/model.

Rg（Guinier）	50.98 Å
Rg (electron density)	50.40 Å
Total Rg	50.70 Å
Atom count	21161
Residues	2442
Excluded volume	375360 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`9pni__assembly_1__model_1`	12-meric （12）	Success	4.1.3-1-20251215 (887e7ef)	View Download

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4. Crystallography and Experiment 4. Crystallography & Experiment

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5. Entities and Polymers Entities & Polymers (11)

Entity 1 Entity 1 polymer

Description description	Envelope glycoprotein BG505 DS-SOSIP gp41
Molecular weight formula_weight	17162.5 kDa
Source method src_method	man
Copy count entity_count	3

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,F
Atom count atom_count	21161

AVGIGAVFLGFLGAAGSTMGAASMTLTVQARNLLSGIVQQQSNLLRAIEAQQHLLKLTVWGIKQLQARVLAVERYLRDQQLLGIWGCSGKLICCTNVPWNSSWSNRNLSEIWDNMTWLQWDKEISNYTQIIYGLLEESQNQQEKNEQDLLALD

Source Source

Source organism organism	Human immunodeficiency virus 1
NCBI taxonomy ID ncbi_taxonomy_id	11676
Host organism host_organism	Cricetulus griseus

Entity 2 Entity 2 polymer

Description description	Envelope glycoprotein BG505 DS-SOSIP gp120
Molecular weight formula_weight	52987.0 kDa
Source method src_method	man
Copy count entity_count	3

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	C,G,I

AENLWVTVYYGVPVWKDAETTLFCASDAKAYETEKHNVWATHACVPTDPNPQEIHLENVTEEFNMWKNNMVEQMHTDIISLWDQSLKPCVKLTPLCVTLQCTNVTNNITDDMRGELKNCSFNMTTELRDKKQKVYSLFYRLDVVQINENQGNRSNNSNKEYRLINCNTSACTQACPKVSFEPIPIHYCAPAGFAILKCKDKKFNGTGPCPSVSTVQCTHGIKPVVSTQLLLNGSLAEEEVMIRSENITNNAKNILVQFNTPVQINCTRPNNNTRKSIRIGPGQAFYATGDIIGDIRQAHCNVSKATWNETLGKVVKQLRKHFGNNTIIRFANSSGGDLEVTTHSFNCGGEFFYCNTSGLFNSTWISNTSVQGSNSTGSNDSITLPCRIKQIINMWQRIGQCMYAPPIQGVIRCVSNITGLILTRDGGSTNSTTETFRPGGGDMRDNWRSELYKYKVVKIEPLGVAPTRCKRRV

Source Source

Source organism organism	Human immunodeficiency virus 1
NCBI taxonomy ID ncbi_taxonomy_id	11676
Host organism host_organism	Cricetulus griseus

Entity 3 Entity 3 polymer

Description description	J601-1B2 heavy chain
Molecular weight formula_weight	25073.9 kDa
Source method src_method	man
Copy count entity_count	3

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	H,J,D

QVQVQESGPGIVKPSETLSLTCAASRGPFSGGHFYWNWFRQPPGKGLEWIGGIYSDGDAADYNPSLESRVAISRDRSANRFSLKLISVTTTDTAVYYCSSTYSWNNVWFDQWGQGVLVTVSSASTKGPSVFPLAPSSKSTSGGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKKVEPKSCDKGLEVLFQ

Source Source

Source organism organism	Macaca mulatta
NCBI taxonomy ID ncbi_taxonomy_id	9544
Host organism host_organism	Homo sapiens

Entity 4 Entity 4 polymer

Description description	J601-1B2 light chain
Molecular weight formula_weight	23471.0 kDa
Source method src_method	man
Copy count entity_count	3

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	L,K,E

DIQLTQSPSSLSASVGDRVTITCRASQDINTDLSWYYQKSGEAPKLLIYRASNLQGGAPSRFSGTGSGTEFTLTISSLQPEDFITYYCQQRYSFPITFGAGTKVDIKRTVAAPSVFIFPPSDEQLKSGTASVVCLLNNFYPREAKVQWKVDNALQSGNSQESVTEQDSKDSTYSLSSTLTLSKADYEKHKVYACEVTHQGLSSPVTKSFNRGEC

Source Source

Source organism organism	Macaca mulatta
NCBI taxonomy ID ncbi_taxonomy_id	9544
Host organism host_organism	Homo sapiens

Entity 5 Entity 5 branched

Description description	beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose
Molecular weight formula_weight	586.5 kDa
Source method src_method	man
Copy count entity_count	21

Entity 6 Entity 6 branched

Description description	;alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ;
Molecular weight formula_weight	910.8 kDa
Source method src_method	man
Copy count entity_count	3

Entity 7 Entity 7 branched

Description description	2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose
Molecular weight formula_weight	424.4 kDa
Source method src_method	man
Copy count entity_count	10

Entity 8 Entity 8 branched

Description description	;alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ;
Molecular weight formula_weight	1073.0 kDa
Source method src_method	man
Copy count entity_count	3

Entity 9 Entity 9 branched

Description description	;alpha-D-mannopyranose-(1-3)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ;
Molecular weight formula_weight	748.7 kDa
Source method src_method	man
Copy count entity_count	5

Entity 10 Entity 10 non-polymer

Description description	2-acetamido-2-deoxy-beta-D-glucopyranose
Molecular weight formula_weight	221.2 kDa
Source method src_method	syn
Copy count entity_count	19

Entity 11 Entity 11 non-polymer

Description description	alpha-D-mannopyranose
Molecular weight formula_weight	180.2 kDa
Source method src_method	syn
Copy count entity_count	2

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Unit-cell length a length_a	1.000 Å
Unit-cell length b length_b	1.000 Å
Unit-cell length c length_c	1.000 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.00 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	—

Space group space_group	P 1
Space-group number int_tables_number	1
Crystal system crystal_system	triclinic

Resolution resolution	3.83 Å
Resolution测定Method resolution_method	—
颗粒数 num_particles	806645

Cryo-EM structure of J601-1B2 Fab in complex with HIV-1 BG505 DS-SOSIP Env trimer

1. Protein Identity and Related Structures Protein Identity & Related Structures

Envelope glycoprotein BG505 DS-SOSIP gp41

State in the Current Structure

Other States of the Same Protein in the Database

Envelope glycoprotein BG505 DS-SOSIP gp120

State in the Current Structure

Other States of the Same Protein in the Database

2. Structure Basics 2. Structure Basics

3. Official assembly/model SAXS Official SAXS Profiles

9pni__assembly_1__model_1

9pni__assembly_1__model_1 | I(q)

9pni__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

冷冻电镜 EM 3D

5. Entities and Polymers Entities & Polymers (11)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Source Source

Entity 3 Entity 3 polymer

Polymer Polymer

Source Source

Entity 4 Entity 4 polymer

Polymer Polymer

Source Source

Entity 5 Entity 5 branched

Entity 6 Entity 6 branched

Entity 7 Entity 7 branched

Entity 8 Entity 8 branched

Entity 9 Entity 9 branched

Entity 10 Entity 10 non-polymer

Entity 11 Entity 11 non-polymer

7. Citations (1)

Cryo-EM structure of J601-1B2 Fab in complex with HIV-1 BG505 DS-SOSIP Env trimer

1. Protein Identity and Related Structures Protein Identity & Related Structures

Envelope glycoprotein BG505 DS-SOSIP gp41

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Envelope glycoprotein BG505 DS-SOSIP gp120

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

2. Structure Basics 2. Structure Basics

3. Official assembly/model SAXS Official SAXS Profiles

9pni__assembly_1__model_1

9pni__assembly_1__model_1 | I(q)

9pni__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

冷冻电镜 EM 3D

5. Entities and Polymers Entities & Polymers (11)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Source Source

Entity 3 Entity 3 polymer

Polymer Polymer

Source Source

Entity 4 Entity 4 polymer

Polymer Polymer

Source Source

Entity 5 Entity 5 branched

Entity 6 Entity 6 branched

Entity 7 Entity 7 branched

Entity 8 Entity 8 branched

Entity 9 Entity 9 branched

Entity 10 Entity 10 non-polymer

Entity 11 Entity 11 non-polymer

7. Citations (1)