3rwc

Crystal structure of rhesus macaque MHC class I molecule Mamu-B*17-IW9

Method: X-RAY DIFFRACTION Dmax: 98.9 Å Quality: EXCELLENT

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

Major histocompatibility complex class I

Macaca mulatta

UniProt Q9GJ77

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 24–299 Fragment:residues 24-297 Beta-2-microglobulin × 1 (Q6V7J5) Nef IW9 peptide from Protein Nef × 1 (Q5QGG3) X-RAY DIFFRACTION mmCIF provides none of the parsed experimental conditions Resolution 2.50 Å R-free 0.249
2 Protein heterocomplex Heteromer Protein × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain D; UniProt 24–299 Fragment:residues 24-297 Beta-2-microglobulin × 1 (Q6V7J5) Nef IW9 peptide from Protein Nef × 1 (Q5QGG3) X-RAY DIFFRACTION mmCIF provides none of the parsed experimental conditions Resolution 2.50 Å R-free 0.249

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.

7 other PDB entries and 9 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name Q9GJ77_MACMU
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–276; UniProt 24–299 Author chain D; PDBConstruct 1–276; UniProt 24–299

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 × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain B; UniProt 21–119 Not recorded Major histocompatibility complex class I × 1 (Q9GJ77) Nef IW9 peptide from Protein Nef × 1 (Q5QGG3) X-RAY DIFFRACTION mmCIF provides none of the parsed experimental conditions Resolution 2.50 Å R-free 0.249
2 Protein heterocomplex Heteromer Protein × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain E; UniProt 21–119 Not recorded Major histocompatibility complex class I × 1 (Q9GJ77) Nef IW9 peptide from Protein Nef × 1 (Q5QGG3) X-RAY DIFFRACTION mmCIF provides none of the parsed experimental conditions Resolution 2.50 Å R-free 0.249

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 26 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 1–99; UniProt 21–119 Author chain E; PDBConstruct 1–99; UniProt 21–119

Nef IW9 peptide from Protein Nef

OrganismNot specified

UniProt Q5QGG3

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 C; UniProt 165–173 Not recorded Major histocompatibility complex class I × 1 (Q9GJ77) Beta-2-microglobulin × 1 (Q6V7J5) X-RAY DIFFRACTION mmCIF provides none of the parsed experimental conditions Resolution 2.50 Å R-free 0.249
2 Protein heterocomplex Heteromer Protein × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain F; UniProt 165–173 Not recorded Major histocompatibility complex class I × 1 (Q9GJ77) Beta-2-microglobulin × 1 (Q6V7J5) X-RAY DIFFRACTION mmCIF provides none of the parsed experimental conditions Resolution 2.50 Å R-free 0.249

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.

7 other PDB entries and 11 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name Q5QGG3_SIVCZ
Isoform
PDB entities 3
Chains and sequence ranges Author chain C; PDBConstruct 1–9; UniProt 165–173 Author chain F; PDBConstruct 1–9; UniProt 165–173

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 3rwc

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 3rwc
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2. Structure Basics 2. Structure Basics

Entry ID entry_id3rwc
Deposition date deposition_date2011-05-09
Structure title titleCrystal structure of rhesus macaque MHC class I molecule Mamu-B*17-IW9
Keywords keywordsantigenic peptides, T lymphocytes, immune response, 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_guinier32.38
Radius of gyration Rg (electron density) rg_electron31.47
Forward intensity I(0) i0138301000.00
Molecular weight molecular_weight89563.0 kDa
Excluded volume excluded_volume110190 ų
Envelope volume envelope_volume145270 ų
Hydration-shell volume shell_volume38398 ų
Envelope diameter envelope_diameter99.7
Shell Rg shell_rg38.76
Envelope Rg envelope_rg30.76
Shape Rg shape_rg31.45
Total Rg total_rg32.12
Total atoms total_atoms6334
Residues n_residues768
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 dmax98.9
Rg (real space) rg_real32.31
Rg uncertainty (real space) rg_real_error0.69
I(0) (real space) i0_real1.3830e+08
I(0) uncertainty (real space) i0_real_error2.2430e+06
Rg (reciprocal space) rg_reciprocal32.34
I(0) (reciprocal space) i0_reciprocal138300000.0000
Solution quality estimate total_estimate0.9010
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary36.3
Skewness Skewness skewness0.217
Kurtosis Kurtosis kurtosis-0.644
Angular range angular_range— – 0.2450 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha16950000.0000
Real-space data points n_real_points50
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.978; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.998; Smooth: 0.777

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 6 domains

CATH v4.4 (6 domains)

Domain ID domain_id3rwcA01
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_id3rwcA02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id3rwcB00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id3rwcD01
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_id3rwcD02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id3rwcE00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins

8. Citations (1)

9. Files and Curves (10)