2b0s

Crystal structure analysis of anti-HIV-1 V3 Fab 2219 in complex with MN peptide

Method: X-RAY DIFFRACTION Dmax: 84.8 Å Quality: GOOD

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

MN peptide of Exterior membrane glycoprotein GP120

OrganismNot specified

UniProt P05877

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain P; UniProt 308–325 Fragment:residues 308-325 Fab 2219, light chain × 1 Fab 2219, heavy chain × 1 EDO 1,2-ETHANEDIOL × 2 ACY ACETIC ACID × 3 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;298 K;40% PEG 400, 0.2M potassium acetate, VAPOR DIFFUSION, SITTING DROP, temperature 298.0K Resolution 2.30 Å R-free 0.267

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

13 other PDB entries and 20 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name ENV_HV1MN
Isoform
PDB entities 3
Chains and sequence ranges Author chain P; PDBConstruct 1–16; UniProt 308–325

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.

SAXS scattering curve SAXS Profile

SAXS profile for 2b0s

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 2b0s
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2. Structure Basics 2. Structure Basics

Entry ID entry_id2b0s
Deposition date deposition_date2005-09-14
Structure title titleCrystal structure analysis of anti-HIV-1 V3 Fab 2219 in complex with MN peptide
Keywords keywordsFab-peptide complex; HIV-1; gp120; v3 loop, IMMUNE SYSTEM; IMMUNE SYSTEM
Experimental Method methodX-RAY DIFFRACTION

3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier26.09
Radius of gyration Rg (electron density) rg_electron25.10
Forward intensity I(0) i041814200.00
Molecular weight molecular_weight49220.0 kDa
Excluded volume excluded_volume61153 ų
Envelope volume envelope_volume75474 ų
Hydration-shell volume shell_volume25442 ų
Envelope diameter envelope_diameter87.5
Shell Rg shell_rg31.96
Envelope Rg envelope_rg24.93
Shape Rg shape_rg25.09
Total Rg total_rg25.91
Total atoms total_atoms3469
Residues n_residues439
Spherical-harmonic order n_harmonics20
q range q_range— – 0.5000 −1
Data points n_points101
Shell type shell_typedirectional
Solvent electron density solvent_density0.3340 e/ų
Shell contrast contrast_shell0.0300 e/ų
CRYSOL version crysol_version4.1.3

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax84.8
Rg (real space) rg_real26.11
Rg uncertainty (real space) rg_real_error0.55
I(0) (real space) i0_real4.1810e+07
I(0) uncertainty (real space) i0_real_error5.6010e+05
Rg (reciprocal space) rg_reciprocal26.10
I(0) (reciprocal space) i0_reciprocal41810000.0000
Solution quality estimate total_estimate0.8999
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary27.8
Skewness Skewness skewness0.330
Kurtosis Kurtosis kurtosis-0.464
Angular range angular_range— – 0.3050 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha5668000.0000
Real-space data points n_real_points62
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.918; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.975; Smooth: 0.966

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

7. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd2b0sh1
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.1 — Immunoglobulin
Family Family familyb.1.1.1 — V set domains (antibody variable domain-like)
Domain ID domain_idd2b0sh2
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.1 — Immunoglobulin
Family Family familyb.1.1.2 — C1 set domains (antibody constant domain-like)

CATH v4.4 (4 domains)

Domain ID domain_id2b0sH01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id2b0sH02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id2b0sL01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id2b0sL02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins

8. Citations (1)

9. Files and Curves (10)