2vsl

Crystal Structure of XIAP BIR3 with a Bivalent Smac Mimetic

Method: X-RAY DIFFRACTION Dmax: 47.6 Å Quality: GOOD

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

BACULOVIRAL IAP REPEAT-CONTAINING PROTEIN 4

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 heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 250–345 Fragment:BIR3 DOMAIN, RESIDUES 250-345 PEPTIDE (MAA-LYS-PRO-PHE) × 1 15P POLYETHYLENE GLYCOL (N=34) × 1 ZN ZINC ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 7.5;1.4 M NACL, 5% PEG 6000, pH 7.5 Resolution 2.10 Å R-free 0.226

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 BIRC4_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–96; UniProt 250–345

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 2vsl

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 2vsl
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2. Structure Basics 2. Structure Basics

Entry ID entry_id2vsl
Deposition date deposition_date2008-04-24
Structure title titleCrystal Structure of XIAP BIR3 with a Bivalent Smac Mimetic
Keywords keywords;ZINC-FINGER, POLYMORPHISM, SMAC MIMETIC, METAL-BINDING, UBL CONJUGATION PATHWAY, THIOL PROTEASE INHIBITOR, PHOSPHOPROTEIN, UBL CONJUGATION, PROTEASE INHIBITOR, BIR3, ZINC, XIAP, LIGASE, APOPTOSIS, CYTOPLASM, HYDROLASE INHIBITOR ;; LIGASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier13.81
Radius of gyration Rg (electron density) rg_electron12.64
Forward intensity I(0) i02811310.00
Molecular weight molecular_weight11676.0 kDa
Excluded volume excluded_volume14573 ų
Envelope volume envelope_volume15612 ų
Hydration-shell volume shell_volume10544 ų
Envelope diameter envelope_diameter47.0
Shell Rg shell_rg18.40
Envelope Rg envelope_rg13.14
Shape Rg shape_rg12.63
Total Rg total_rg14.00
Total atoms total_atoms823
Residues n_residues99
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 dmax47.6
Rg (real space) rg_real13.75
Rg uncertainty (real space) rg_real_error0.34
I(0) (real space) i0_real2.8110e+06
I(0) uncertainty (real space) i0_real_error3.0260e+04
Rg (reciprocal space) rg_reciprocal13.75
I(0) (reciprocal space) i0_reciprocal2811000.0000
Solution quality estimate total_estimate0.8577
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary16.9
Skewness Skewness skewness0.233
Kurtosis Kurtosis kurtosis-0.225
Angular range angular_range— – 0.5000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha786300.0000
Real-space data points n_real_points80
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.731; Stabil: 0.999; Sysdev: 1.000; Positv: 1.000; Valcen: 0.991; Smooth: 0.965

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

7. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd2vsla_
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_id2vslA00
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)