1mhe

THE HUMAN NON-CLASSICAL MAJOR HISTOCOMPATIBILITY COMPLEX MOLECULE HLA-E

Method: X-RAY DIFFRACTION Dmax: 135.6 Å Quality: REASONABLE

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

HLA CLASS I HISTOCOMPATIBILITY ANTIGEN HLA-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 × 6 PDB declaration: hexameric(6) Consistent with protein copy count Chain A; UniProt 22–295 Chain C; UniProt 22–295 Fragment:EXTRACELLULAR DOMAIN, ALPHA CHAIN E BETA-2-MICROGLOBULIN × 2 (P61769) PEPTIDE (VMAPRTVLL) × 2 SO4 SULFATE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 8.5;pH 8.5 Resolution 2.85 Å R-free 0.235

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 1–274; UniProt 22–295 Author chain C; PDBConstruct 1–274; 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 × 6 PDB declaration: hexameric(6) Consistent with protein copy count Chain B; UniProt 21–119 Chain D; UniProt 21–119 Not recorded HLA CLASS I HISTOCOMPATIBILITY ANTIGEN HLA-E × 2 (P13747) PEPTIDE (VMAPRTVLL) × 2 SO4 SULFATE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 8.5;pH 8.5 Resolution 2.85 Å R-free 0.235

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 1–100; UniProt 21–119 Author chain D; PDBConstruct 1–100; 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 1mhe

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id1mhe
Deposition date deposition_date1998-08-24
Structure title titleTHE HUMAN NON-CLASSICAL MAJOR HISTOCOMPATIBILITY COMPLEX MOLECULE HLA-E
Keywords keywordsHLA-E, HLA E, MAJOR HISTOCOMPATIBILITY COMPLEX, MHC, HLA, BETA 2 MICROGLOBULIN, LEADER PEPTIDE, NON-CLASSICAL MHC, CLASS IB MHC; MAJOR HISTOCOMPATIBILITY COMPLEX
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier36.43
Radius of gyration Rg (electron density) rg_electron36.79
Forward intensity I(0) i0131984000.00
Molecular weight molecular_weight88985.0 kDa
Excluded volume excluded_volume109790 ų
Envelope volume envelope_volume148200 ų
Hydration-shell volume shell_volume37207 ų
Envelope diameter envelope_diameter143.1
Shell Rg shell_rg38.29
Envelope Rg envelope_rg37.44
Shape Rg shape_rg36.79
Total Rg total_rg36.87
Total atoms total_atoms7729
Residues n_residues762
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 dmax135.6
Rg (real space) rg_real37.07
Rg uncertainty (real space) rg_real_error1.60
I(0) (real space) i0_real1.3200e+08
I(0) uncertainty (real space) i0_real_error2.3520e+06
Rg (reciprocal space) rg_reciprocal36.67
I(0) (reciprocal space) i0_reciprocal131900000.0000
Solution quality estimate total_estimate0.7308
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary31.5
Skewness Skewness skewness0.753
Kurtosis Kurtosis kurtosis0.101
Angular range angular_range— – 0.2150 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha18800000.0000
Real-space data points n_real_points44
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.453; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.362; Smooth: 0.774

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

7. Fold Classification (SCOP + CATH) 12 domains

SCOP 2.08 (6 domains)

Domain ID domain_idd1mhea1
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_idd1mhea2
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_idd1mheb_
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_idd1mhec1
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_idd1mhec2
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_idd1mhed_
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_id1mheA01
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_id1mheA02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id1mheB00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id1mheC01
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_id1mheC02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id1mheD00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins

8. Citations (2)

9. Files and Curves (10)