6lt6

Crystal structure of rhesus macaque MHC class I molecule Mamu-B*05104 complexed with lysophosphatidylcholine

Method: X-RAY DIFFRACTION Dmax: 75.7 Å Quality: GOOD

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

MHC class I antigen

Macaca mulatta

UniProt B2ZHY7

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 × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 22–297 Mutation:R128E, K177E Beta-2-microglobulin × 1 (Q6V7J5) EKG (2R)-2,3-dihydroxypropyl hexadecanoate × 1 EDO 1,2-ETHANEDIOL × 8 NA SODIUM ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 7.5;293.15 K;0.1M Bis-Tris propane, 0.2M Sodium malonate dibasic monohydrate, 20% PEG3350 Resolution 2.15 Å R-free 0.232

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.

3 other PDB entries and 4 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name B2ZHY7_MACMU
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–276; UniProt 22–297

Beta-2-microglobulin

Macaca mulatta

UniProt Q6V7J5

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 × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain B; UniProt 20–119 Not recorded MHC class I antigen × 1 (B2ZHY7) EKG (2R)-2,3-dihydroxypropyl hexadecanoate × 1 EDO 1,2-ETHANEDIOL × 8 NA SODIUM ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 7.5;293.15 K;0.1M Bis-Tris propane, 0.2M Sodium malonate dibasic monohydrate, 20% PEG3350 Resolution 2.15 Å R-free 0.232

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.

15 other PDB entries and 27 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name B2MG_MACMU
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 1–100; UniProt 20–119

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 6lt6

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 6lt6
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2. Structure Basics 2. Structure Basics

Entry ID entry_id6lt6
Deposition date deposition_date2020-01-21
Structure title titleCrystal structure of rhesus macaque MHC class I molecule Mamu-B*05104 complexed with lysophosphatidylcholine
Keywords keywordsMHC class I protein, complex, lysophospholipid, 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_guinier24.27
Radius of gyration Rg (electron density) rg_electron23.01
Forward intensity I(0) i035443600.00
Molecular weight molecular_weight44416.0 kDa
Excluded volume excluded_volume54894 ų
Envelope volume envelope_volume67493 ų
Hydration-shell volume shell_volume24537 ų
Envelope diameter envelope_diameter79.2
Shell Rg shell_rg29.87
Envelope Rg envelope_rg23.18
Shape Rg shape_rg22.99
Total Rg total_rg23.87
Total atoms total_atoms3138
Residues n_residues376
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 dmax75.7
Rg (real space) rg_real24.20
Rg uncertainty (real space) rg_real_error0.50
I(0) (real space) i0_real3.5440e+07
I(0) uncertainty (real space) i0_real_error5.0000e+05
Rg (reciprocal space) rg_reciprocal24.22
I(0) (reciprocal space) i0_reciprocal35440000.0000
Solution quality estimate total_estimate0.8334
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary30.1
Skewness Skewness skewness0.250
Kurtosis Kurtosis kurtosis-0.464
Angular range angular_range— – 0.3250 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha8007000.0000
Real-space data points n_real_points64
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.946; Stabil: 0.998; Sysdev: 1.000; Positv: 1.000; Valcen: 0.997; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

7. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (3 domains)

Domain ID domain_idd6lt6a1
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_idd6lt6a2
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_idd6lt6b_
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 (3 domains)

Domain ID domain_id6lt6A01
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_id6lt6A02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id6lt6B00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins

8. Citations (1)

9. Files and Curves (10)