5sun

IDH1 R132H in complex with IDH146

Method: X-RAY DIFFRACTION Dmax: 91.0 Å Quality: EXCELLENT

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

Isocitrate dehydrogenase [NADP] cytoplasmic

Homo sapiens

UniProt O75874

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 × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 1–414 Chain B; UniProt 1–414 Mutation:R132H NDP NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 2 70Q 3-benzyl-N-[3-(dimethylsulfamoyl)phenyl]-4-oxo-3,4-dihydrophthalazine-1-carboxamide × 2 SO4 SULFATE ION × 4 EDO 1,2-ETHANEDIOL × 2 DMS DIMETHYL SULFOXIDE × 2 X-RAY DIFFRACTION X-ray crystallization conditions:EVAPORATION;pH 7.5;293 K;27% PEG3350, 0.22M lithium sulfate Resolution 2.48 Å R-free 0.221

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.

59 other PDB entries and 92 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name IDHC_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 4–417; UniProt 1–414 Author chain B; PDBConstruct 4–417; UniProt 1–414

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 5sun

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 5sun
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2. Structure Basics 2. Structure Basics

Entry ID entry_id5sun
Deposition date deposition_date2016-08-03
Structure title titleIDH1 R132H in complex with IDH146
Keywords keywordsinhibitor, isocitrate dehydrogenase, NADPH, OXIDOREDUCTASE; OXIDOREDUCTASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier29.79
Radius of gyration Rg (electron density) rg_electron28.90
Forward intensity I(0) i0134270000.00
Molecular weight molecular_weight90833.0 kDa
Excluded volume excluded_volume113460 ų
Envelope volume envelope_volume143450 ų
Hydration-shell volume shell_volume40936 ų
Envelope diameter envelope_diameter100.2
Shell Rg shell_rg36.93
Envelope Rg envelope_rg28.37
Shape Rg shape_rg28.92
Total Rg total_rg29.60
Total atoms total_atoms6369
Residues n_residues778
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 dmax91.0
Rg (real space) rg_real29.62
Rg uncertainty (real space) rg_real_error0.45
I(0) (real space) i0_real1.3430e+08
I(0) uncertainty (real space) i0_real_error1.8010e+06
Rg (reciprocal space) rg_reciprocal29.70
I(0) (reciprocal space) i0_reciprocal134300000.0000
Solution quality estimate total_estimate0.9078
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary37.8
Skewness Skewness skewness0.121
Kurtosis Kurtosis kurtosis-0.520
Angular range angular_range— – 0.2650 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha17510000.0000
Real-space data points n_real_points54
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.947; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.987; Smooth: 0.970

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (7)

7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd5suna_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.77 — Isocitrate/Isopropylmalate dehydrogenase-like
Superfamily Superfamily superfamilyc.77.1 — Isocitrate/Isopropylmalate dehydrogenase-like
Family Family familyc.77.1.1 — Dimeric isocitrate & isopropylmalate dehydrogenases
Domain ID domain_idd5sunb_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.77 — Isocitrate/Isopropylmalate dehydrogenase-like
Superfamily Superfamily superfamilyc.77.1 — Isocitrate/Isopropylmalate dehydrogenase-like
Family Family familyc.77.1.1 — Dimeric isocitrate & isopropylmalate dehydrogenases

CATH v4.4 (2 domains)

Domain ID domain_id5sunA00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology718 — Isopropylmalate Dehydrogenase
Homologous superfamily homologous superfamily10 — Isopropylmalate Dehydrogenase
Domain ID domain_id5sunB00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology718 — Isopropylmalate Dehydrogenase
Homologous superfamily homologous superfamily10 — Isopropylmalate Dehydrogenase

8. Citations (1)

9. Files and Curves (10)