5c7d

Fragment-Based Drug Discovery Targeting Inhibitor of Apoptosis Proteins: Compound 17

Method: X-RAY DIFFRACTION Dmax: 49.0 Å Quality: REASONABLE

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

E3 ubiquitin-protein ligase XIAP

Homo sapiens

UniProt P98170

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 monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 249–354 Fragment:UNP residues 249-354 ZN ZINC ION × 1 4YF (2R)-4-[2-(6-chloro-2,3-dihydro-1H-pyrrolo[3,2-c]pyridin-1-yl)-2-oxoethyl]-2-methylpiperazin-1-ium × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.5;277 K;0.1M Hepes-NaOH 7.5, 3.9M NaCl Resolution 2.25 Å R-free 0.251

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.

73 other PDB entries and 144 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name XIAP_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 5–110; UniProt 249–354

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 5c7d

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 5c7d
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2. Structure Basics 2. Structure Basics

Entry ID entry_id5c7d
Deposition date deposition_date2015-06-24
Structure title titleFragment-Based Drug Discovery Targeting Inhibitor of Apoptosis Proteins: Compound 17
Keywords keywordsligase, apoptosis; APOPTOSIS
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier14.65
Radius of gyration Rg (electron density) rg_electron13.69
Forward intensity I(0) i03346360.00
Molecular weight molecular_weight12617.0 kDa
Excluded volume excluded_volume15629 ų
Envelope volume envelope_volume17525 ų
Hydration-shell volume shell_volume11106 ų
Envelope diameter envelope_diameter50.0
Shell Rg shell_rg19.18
Envelope Rg envelope_rg14.26
Shape Rg shape_rg13.66
Total Rg total_rg14.94
Total atoms total_atoms907
Residues n_residues106
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 dmax49.0
Rg (real space) rg_real15.04
Rg uncertainty (real space) rg_real_error0.11
I(0) (real space) i0_real3.3250e+06
I(0) uncertainty (real space) i0_real_error3.1760e+04
Rg (reciprocal space) rg_reciprocal14.61
I(0) (reciprocal space) i0_reciprocal3346000.0000
Solution quality estimate total_estimate0.6640
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks0
Primary peak position r_peak_primary
Skewness Skewness skewness0.427
Kurtosis Kurtosis kurtosis0.013
Angular range angular_range— – 0.5000 −1
Current regularization parameter α current_alpha7.4890
Highest regularization parameter α highest_alpha663400.0000
Real-space data points n_real_points80
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.853; Stabil: 0.917; Sysdev: 0.000; Positv: 1.000; Valcen: 0.990; Smooth: 0.360

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd5c7da_
Class classg — Small proteins
Fold Fold foldg.52 — Inhibitor of apoptosis (IAP) repeat
Superfamily Superfamily superfamilyg.52.1 — Inhibitor of apoptosis (IAP) repeat
Family Family familyg.52.1.1 — Inhibitor of apoptosis (IAP) repeat

CATH v4.4 (1 domains)

Domain ID domain_id5c7dA00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology1170 — Inhibitor Of Apoptosis Protein (2mihbC-IAP-1); Chain A
Homologous superfamily homologous superfamily10 — Inhibitor Of Apoptosis Protein (2mihbC-IAP-1); Chain A

8. Citations (1)

9. Files and Curves (10)