3u18

Chicago Sky Blue 6B, A Novel Inhibitor for Macrophage Migration Inhibitory Factor

Method: X-RAY DIFFRACTION Dmax: 58.4 Å Quality: REASONABLE

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

Macrophage migration inhibitory factor

Homo sapiens

UniProt P14174

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 homooligomer Homooligomer Protein × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain A; UniProt 2–115 Chain B; UniProt 2–115 Chain C; UniProt 2–115 Not recorded Y0X 6,6'-[(3,3'-dimethoxybiphenyl-4,4'-diyl)di(E)diazene-2,1-diyl]bis(4-amino-5-hydroxynaphthalene-1,3-disulfonic acid) × 1 IPA ISOPROPYL ALCOHOL × 4 GOL GLYCEROL × 9 EDO 1,2-ETHANEDIOL × 3 NA SODIUM ION × 4 SO4 SULFATE ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;pH 8;310 K;100 mM p425 dissolved in 2.0 M ammonium sulfate, 4% 2-propanol, 0.1 M Tris, VAPOR DIFFUSION, temperature 310K, pH 8 Resolution 1.90 Å R-free 0.177

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.

117 other PDB entries and 132 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name MIF_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–114; UniProt 2–115 Author chain B; PDBConstruct 1–114; UniProt 2–115 Author chain C; PDBConstruct 1–114; UniProt 2–115

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 3u18

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 3u18
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2. Structure Basics 2. Structure Basics

Entry ID entry_id3u18
Deposition date deposition_date2011-09-29
Structure title titleChicago Sky Blue 6B, A Novel Inhibitor for Macrophage Migration Inhibitory Factor
Keywords keywordscytokine; CYTOKINE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier20.31
Radius of gyration Rg (electron density) rg_electron18.98
Forward intensity I(0) i026928300.00
Molecular weight molecular_weight39483.0 kDa
Excluded volume excluded_volume49196 ų
Envelope volume envelope_volume54821 ų
Hydration-shell volume shell_volume23142 ų
Envelope diameter envelope_diameter60.8
Shell Rg shell_rg26.29
Envelope Rg envelope_rg19.12
Shape Rg shape_rg18.97
Total Rg total_rg19.90
Total atoms total_atoms2757
Residues n_residues342
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 dmax58.4
Rg (real space) rg_real20.13
Rg uncertainty (real space) rg_real_error0.21
I(0) (real space) i0_real2.6930e+07
I(0) uncertainty (real space) i0_real_error2.8580e+05
Rg (reciprocal space) rg_reciprocal20.17
I(0) (reciprocal space) i0_reciprocal26930000.0000
Solution quality estimate total_estimate0.6432
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary27.5
Skewness Skewness skewness0.014
Kurtosis Kurtosis kurtosis-0.538
Angular range angular_range— – 0.3900 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha5458000.0000
Real-space data points n_real_points71
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.936; Stabil: 0.999; Sysdev: 0.193; Positv: 1.000; Valcen: 0.973; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (8)

7. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (3 domains)

Domain ID domain_idd3u18a_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.80 — Tautomerase/MIF
Superfamily Superfamily superfamilyd.80.1 — Tautomerase/MIF
Family Family familyd.80.1.3 — MIF-related
Domain ID domain_idd3u18b_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.80 — Tautomerase/MIF
Superfamily Superfamily superfamilyd.80.1 — Tautomerase/MIF
Family Family familyd.80.1.3 — MIF-related
Domain ID domain_idd3u18c_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.80 — Tautomerase/MIF
Superfamily Superfamily superfamilyd.80.1 — Tautomerase/MIF
Family Family familyd.80.1.3 — MIF-related

CATH v4.4 (3 domains)

Domain ID domain_id3u18A00
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology429 — Macrophage Migration Inhibitory Factor
Homologous superfamily homologous superfamily10 — Macrophage Migration Inhibitory Factor
Domain ID domain_id3u18B00
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology429 — Macrophage Migration Inhibitory Factor
Homologous superfamily homologous superfamily10 — Macrophage Migration Inhibitory Factor
Domain ID domain_id3u18C00
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology429 — Macrophage Migration Inhibitory Factor
Homologous superfamily homologous superfamily10 — Macrophage Migration Inhibitory Factor

8. Citations (1)

9. Files and Curves (10)