4kzo

Crystal Structure Analysis of human IDH1 mutants in complex with NADP+ and Ca2+/alpha-Ketoglutarate

Method: X-RAY DIFFRACTION Dmax: 126.5 Å Quality: GOOD

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 Not recorded CA CALCIUM ION × 2 NAP NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 2 AKG 2-OXOGLUTARIC ACID × 2 EDO 1,2-ETHANEDIOL × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;pH 6.9;298 K;16-20% PEG MME 2000, 100mM MES, pH 6.9, vapor diffusion, temperature 298K Resolution 2.20 Å R-free 0.221
2 Protein homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain C; UniProt 1–414 Not recorded CA CALCIUM ION × 2 NAP NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 2 AKG 2-OXOGLUTARIC ACID × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;pH 6.9;298 K;16-20% PEG MME 2000, 100mM MES, pH 6.9, vapor diffusion, temperature 298K Resolution 2.20 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 91 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 1–414; UniProt 1–414 Author chain B; PDBConstruct 1–414; UniProt 1–414 Author chain C; PDBConstruct 1–414; 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 4kzo

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 4kzo
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2. Structure Basics 2. Structure Basics

Entry ID entry_id4kzo
Deposition date deposition_date2013-05-30
Structure title titleCrystal Structure Analysis of human IDH1 mutants in complex with NADP+ and Ca2+/alpha-Ketoglutarate
Keywords keywordscytosolic, OXIDOREDUCTASE; OXIDOREDUCTASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier36.69
Radius of gyration Rg (electron density) rg_electron36.83
Forward intensity I(0) i0308935000.00
Molecular weight molecular_weight141200.0 kDa
Excluded volume excluded_volume176070 ų
Envelope volume envelope_volume224150 ų
Hydration-shell volume shell_volume51619 ų
Envelope diameter envelope_diameter139.6
Shell Rg shell_rg41.82
Envelope Rg envelope_rg37.46
Shape Rg shape_rg36.85
Total Rg total_rg37.10
Total atoms total_atoms9918
Residues n_residues1236
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 dmax126.5
Rg (real space) rg_real36.90
Rg uncertainty (real space) rg_real_error1.21
I(0) (real space) i0_real3.0890e+08
I(0) uncertainty (real space) i0_real_error5.3450e+06
Rg (reciprocal space) rg_reciprocal36.77
I(0) (reciprocal space) i0_reciprocal308900000.0000
Solution quality estimate total_estimate0.8272
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary38.2
Skewness Skewness skewness0.532
Kurtosis Kurtosis kurtosis-0.164
Angular range angular_range— – 0.2150 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha74480000.0000
Real-space data points n_real_points44
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.753; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.892; Smooth: 0.599

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

7. Fold Classification (SCOP + CATH) 7 domains

SCOP 2.08 (4 domains)

Domain ID domain_idd4kzoa1
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_idd4kzoa2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd4kzob_
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_idd4kzoc_
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 (3 domains)

Domain ID domain_id4kzoA00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology718 — Isopropylmalate Dehydrogenase
Homologous superfamily homologous superfamily10 — Isopropylmalate Dehydrogenase
Domain ID domain_id4kzoB00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology718 — Isopropylmalate Dehydrogenase
Homologous superfamily homologous superfamily10 — Isopropylmalate Dehydrogenase
Domain ID domain_id4kzoC00
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)