8tub

HLA B7:02 with HPNGYKSLSTL

Method: X-RAY DIFFRACTION Dmax: 138.7 Å Quality: GOOD

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

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 × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain A; UniProt 21–119 Not recorded HLA class I histocompatibility antigen, B-7 alpha chain × 1 (P01889) HIS-PRO-ASN-GLY-TYR-LYS-SER-LEU-SER-THR-LEU × 1 EDO 1,2-ETHANEDIOL × 3 PEG DI(HYDROXYETHYL)ETHER × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;293 K;PEG Resolution 2.40 Å R-free 0.238
2 Protein heterocomplex Heteromer Protein × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain B; UniProt 21–119 Not recorded HLA class I histocompatibility antigen, B-7 alpha chain × 1 (P01889) HIS-PRO-ASN-GLY-TYR-LYS-SER-LEU-SER-THR-LEU × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;293 K;PEG Resolution 2.40 Å R-free 0.238
3 Protein heterocomplex Heteromer Protein × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain E; UniProt 21–119 Not recorded HLA class I histocompatibility antigen, B-7 alpha chain × 1 (P01889) HIS-PRO-ASN-GLY-TYR-LYS-SER-LEU-SER-THR-LEU × 1 EDO 1,2-ETHANEDIOL × 3 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;293 K;PEG Resolution 2.40 Å R-free 0.238
4 Protein heterocomplex Heteromer Protein × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain I; UniProt 21–119 Not recorded HLA class I histocompatibility antigen, B-7 alpha chain × 1 (P01889) HIS-PRO-ASN-GLY-TYR-LYS-SER-LEU-SER-THR-LEU × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;293 K;PEG Resolution 2.40 Å R-free 0.238

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 1995 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name B2MG_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–99; UniProt 21–119 Author chain B; PDBConstruct 1–99; UniProt 21–119 Author chain E; PDBConstruct 1–99; UniProt 21–119 Author chain I; PDBConstruct 1–99; UniProt 21–119

HLA class I histocompatibility antigen, B-7 alpha chain

Homo sapiens

UniProt P01889

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 F; UniProt 25–299 Fragment:UNP RESIDUES 25-299 Beta-2-microglobulin × 1 (P61769) HIS-PRO-ASN-GLY-TYR-LYS-SER-LEU-SER-THR-LEU × 1 EDO 1,2-ETHANEDIOL × 3 PEG DI(HYDROXYETHYL)ETHER × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;293 K;PEG Resolution 2.40 Å R-free 0.238
2 Protein heterocomplex Heteromer Protein × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain C; UniProt 25–299 Fragment:UNP RESIDUES 25-299 Beta-2-microglobulin × 1 (P61769) HIS-PRO-ASN-GLY-TYR-LYS-SER-LEU-SER-THR-LEU × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;293 K;PEG Resolution 2.40 Å R-free 0.238
3 Protein heterocomplex Heteromer Protein × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain G; UniProt 25–299 Fragment:UNP RESIDUES 25-299 Beta-2-microglobulin × 1 (P61769) HIS-PRO-ASN-GLY-TYR-LYS-SER-LEU-SER-THR-LEU × 1 EDO 1,2-ETHANEDIOL × 3 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;293 K;PEG Resolution 2.40 Å R-free 0.238
4 Protein heterocomplex Heteromer Protein × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain J; UniProt 25–299 Fragment:UNP RESIDUES 25-299 Beta-2-microglobulin × 1 (P61769) HIS-PRO-ASN-GLY-TYR-LYS-SER-LEU-SER-THR-LEU × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;293 K;PEG Resolution 2.40 Å R-free 0.238

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.

35 other PDB entries and 50 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name 1B07_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain C; PDBConstruct 1–275; UniProt 25–299 Author chain F; PDBConstruct 1–275; UniProt 25–299 Author chain G; PDBConstruct 1–275; UniProt 25–299 Author chain J; PDBConstruct 1–275; UniProt 25–299

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 8tub

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 8tub
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2. Structure Basics 2. Structure Basics

Entry ID entry_id8tub
Deposition date deposition_date2023-08-16
Structure title titleHLA B7:02 with HPNGYKSLSTL
Keywords keywordsHLA-B7 HLA B7:02 MHC Influenza B nucleoprotein, 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_guinier42.36
Radius of gyration Rg (electron density) rg_electron41.94
Forward intensity I(0) i0521296000.00
Molecular weight molecular_weight178930.0 kDa
Excluded volume excluded_volume220160 ų
Envelope volume envelope_volume309540 ų
Hydration-shell volume shell_volume62114 ų
Envelope diameter envelope_diameter144.9
Shell Rg shell_rg46.62
Envelope Rg envelope_rg41.51
Shape Rg shape_rg41.93
Total Rg total_rg42.20
Total atoms total_atoms12696
Residues n_residues1540
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 dmax138.7
Rg (real space) rg_real42.27
Rg uncertainty (real space) rg_real_error1.23
I(0) (real space) i0_real5.2130e+08
I(0) uncertainty (real space) i0_real_error9.2310e+06
Rg (reciprocal space) rg_reciprocal42.36
I(0) (reciprocal space) i0_reciprocal521300000.0000
Solution quality estimate total_estimate0.8994
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary52.5
Skewness Skewness skewness0.199
Kurtosis Kurtosis kurtosis-0.543
Angular range angular_range— – 0.1850 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha41580000.0000
Real-space data points n_real_points38
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.927; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 1.000; Smooth: 0.906

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

8. Citations (1)

9. Files and Curves (10)