9nw9

CA117v2v8 Fab bound to HLA-E-RL9HIV

Method: X-RAY DIFFRACTION Dmax: 137.5 Å Quality: REASONABLE

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

HLA class I histocompatibility antigen, alpha chain E

Homo sapiens

UniProt P13747

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 × 5 PDB declaration: pentameric(5) Consistent with protein copy count Chain A; UniProt 22–295 Not recorded Beta-2-microglobulin × 1 (P61769) CA117v2v8 heavy chain × 1 CA117v2v8 light chain × 1 RL9HIV peptide × 1 (P03366) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;293 K;0.2 M magnesium chloride, 20% PEG 3350 Resolution 2.30 Å R-free 0.239

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.

28 other PDB entries and 57 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name HLAE_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 2–275; UniProt 22–295

Beta-2-microglobulin

Homo sapiens

UniProt P61769

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 × 5 PDB declaration: pentameric(5) Consistent with protein copy count Chain B; UniProt 21–119 Fragment:UNP residues 21-119 HLA class I histocompatibility antigen, alpha chain E × 1 (P13747) CA117v2v8 heavy chain × 1 CA117v2v8 light chain × 1 RL9HIV peptide × 1 (P03366) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;293 K;0.2 M magnesium chloride, 20% PEG 3350 Resolution 2.30 Å R-free 0.239

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.

1313 other PDB entries and 1998 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name B2MG_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 2–100; UniProt 21–119

RL9HIV peptide

OrganismNot specified

UniProt P03366

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 × 5 PDB declaration: pentameric(5) Consistent with protein copy count Chain P; UniProt 275–283 Not recorded HLA class I histocompatibility antigen, alpha chain E × 1 (P13747) Beta-2-microglobulin × 1 (P61769) CA117v2v8 heavy chain × 1 CA117v2v8 light chain × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;293 K;0.2 M magnesium chloride, 20% PEG 3350 Resolution 2.30 Å R-free 0.239

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.

383 other PDB entries and 469 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name POL_HV1B1
Isoform
PDB entities 5
Chains and sequence ranges Author chain P; PDBConstruct 1–9; UniProt 275–283

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 9nw9

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 9nw9
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2. Structure Basics 2. Structure Basics

Entry ID entry_id9nw9
Deposition date deposition_date2025-03-21
最后修订 last_revision2026-03-25
Structure title titleCA117v2v8 Fab bound to HLA-E-RL9HIV
Keywords keywordsHLA-E, antibody, NKG2a, CD94, HIV-1, 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_guinier38.17
Radius of gyration Rg (electron density) rg_electron38.84
Forward intensity I(0) i0132109000.00
Molecular weight molecular_weight90686.0 kDa
Excluded volume excluded_volume112540 ų
Envelope volume envelope_volume151760 ų
Hydration-shell volume shell_volume36456 ų
Envelope diameter envelope_diameter143.7
Shell Rg shell_rg39.21
Envelope Rg envelope_rg39.27
Shape Rg shape_rg38.81
Total Rg total_rg38.98
Total atoms total_atoms6395
Residues n_residues803
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 dmax137.5
Rg (real space) rg_real38.93
Rg uncertainty (real space) rg_real_error1.77
I(0) (real space) i0_real1.3210e+08
I(0) uncertainty (real space) i0_real_error2.7440e+06
Rg (reciprocal space) rg_reciprocal38.46
I(0) (reciprocal space) i0_reciprocal132000000.0000
Solution quality estimate total_estimate0.7430
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary33.5
Skewness Skewness skewness0.705
Kurtosis Kurtosis kurtosis-0.096
Angular range angular_range— – 0.2050 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha13600000.0000
Real-space data points n_real_points42
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.520; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.521; Smooth: 0.575

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

8. Citations (1)

9. Files and Curves (10)