1wbz

CRYSTAL STRUCTURES OF MURINE MHC CLASS I H-2 Db AND Kb MOLECULES IN COMPLEX WITH CTL EPITOPES FROM INFLUENZA A VIRUS: IMPLICATIONS FOR TCR REPERTOIRE SELECTION AND IMMUNODOMINANCE

Method: X-RAY DIFFRACTION Dmax: 104.7 Å Quality: EXCELLENT

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

H-2 CLASS I HISTOCOMPATIBILITY ANTIGEN, K-B ALPHA CHAIN PRECURSOR

MUS MUSCULUS

UniProt P01901

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 22–296 Fragment:EXTRACELLULAR DOMAINS, RESIDUES 22-296 BETA-2MICROGLOBULIN × 1 (P01887) INFLUENZA A PEPTIDE × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed experimental conditions Resolution 2.00 Å R-free 0.254
2 Protein heterocomplex Heteromer Protein × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain C; UniProt 22–296 Fragment:EXTRACELLULAR DOMAINS, RESIDUES 22-296 BETA-2MICROGLOBULIN × 1 (P01887) INFLUENZA A PEPTIDE × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed experimental conditions Resolution 2.00 Å R-free 0.254

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.

83 other PDB entries and 139 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name HA1B_MOUSE
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–275; UniProt 22–296 Author chain C; PDBConstruct 1–275; UniProt 22–296

BETA-2MICROGLOBULIN

MUS MUSCULUS

UniProt P01887

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 B; UniProt 21–119 Not recorded H-2 CLASS I HISTOCOMPATIBILITY ANTIGEN, K-B ALPHA CHAIN PRECURSOR × 1 (P01901) INFLUENZA A PEPTIDE × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed experimental conditions Resolution 2.00 Å R-free 0.254
2 Protein heterocomplex Heteromer Protein × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain D; UniProt 21–119 Not recorded H-2 CLASS I HISTOCOMPATIBILITY ANTIGEN, K-B ALPHA CHAIN PRECURSOR × 1 (P01901) INFLUENZA A PEPTIDE × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed experimental conditions Resolution 2.00 Å R-free 0.254

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.

290 other PDB entries and 482 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name B2MG_MOUSE
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 1–99; UniProt 21–119 Author chain D; PDBConstruct 1–99; UniProt 21–119

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 1wbz

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1wbz
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1wbz
Deposition date deposition_date2004-11-05
Structure title titleCRYSTAL STRUCTURES OF MURINE MHC CLASS I H-2 Db AND Kb MOLECULES IN COMPLEX WITH CTL EPITOPES FROM INFLUENZA A VIRUS: IMPLICATIONS FOR TCR REPERTOIRE SELECTION AND IMMUNODOMINANCE
Keywords keywordsMHC CLASS I, INFLUENZA PEPTIDE, HA468, 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_guinier34.07
Radius of gyration Rg (electron density) rg_electron33.38
Forward intensity I(0) i0129082000.00
Molecular weight molecular_weight88723.0 kDa
Excluded volume excluded_volume110160 ų
Envelope volume envelope_volume152800 ų
Hydration-shell volume shell_volume38118 ų
Envelope diameter envelope_diameter110.5
Shell Rg shell_rg40.48
Envelope Rg envelope_rg32.17
Shape Rg shape_rg33.37
Total Rg total_rg33.98
Total atoms total_atoms6258
Residues n_residues766
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 dmax104.7
Rg (real space) rg_real33.96
Rg uncertainty (real space) rg_real_error0.73
I(0) (real space) i0_real1.2910e+08
I(0) uncertainty (real space) i0_real_error2.1640e+06
Rg (reciprocal space) rg_reciprocal34.03
I(0) (reciprocal space) i0_reciprocal129100000.0000
Solution quality estimate total_estimate0.9113
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks0
Primary peak position r_peak_primary
Skewness Skewness skewness0.083
Kurtosis Kurtosis kurtosis-0.694
Angular range angular_range— – 0.2300 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha11550000.0000
Real-space data points n_real_points47
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.975; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 1.000; Smooth: 0.918

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 12 domains

SCOP 2.08 (6 domains)

Domain ID domain_idd1wbza1
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)
Domain ID domain_idd1wbza2
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.19 — MHC antigen-recognition domain
Superfamily Superfamily superfamilyd.19.1 — MHC antigen-recognition domain
Family Family familyd.19.1.1 — MHC antigen-recognition domain
Domain ID domain_idd1wbzb_
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)
Domain ID domain_idd1wbzc1
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)
Domain ID domain_idd1wbzc2
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.19 — MHC antigen-recognition domain
Superfamily Superfamily superfamilyd.19.1 — MHC antigen-recognition domain
Family Family familyd.19.1.1 — MHC antigen-recognition domain
Domain ID domain_idd1wbzd_
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 (6 domains)

Domain ID domain_id1wbzA01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology500 — Murine Class I Major Histocompatibility Complex, H2-DB; Chain A, domain 1
Homologous superfamily homologous superfamily10 — MHC class I-like antigen recognition-like
Domain ID domain_id1wbzA02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id1wbzB00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id1wbzC01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology500 — Murine Class I Major Histocompatibility Complex, H2-DB; Chain A, domain 1
Homologous superfamily homologous superfamily10 — MHC class I-like antigen recognition-like
Domain ID domain_id1wbzC02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id1wbzD00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins

8. Citations (1)

9. Files and Curves (10)