1ysn

Solution structure of the anti-apoptotic protein Bcl-xL complexed with an acyl-sulfonamide-based ligand

Method: SOLUTION NMR Dmax: 74.5 Å Quality: GOOD

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

Apoptosis regulator Bcl-X

Homo sapiens

UniProt Q07817

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 1–44 Chain A; UniProt 85–209 Not recorded 43B 3-NITRO-N-{4-[2-(2-PHENYLETHYL)-1,3-BENZOTHIAZOL-5-YL]BENZOYL}-4-{[2-(PHENYLSULFANYL)ETHYL]AMINO}BENZENESULFONAMIDE × 1 SOLUTION NMR NMR measurement conditions:pH 7;303 K;Ionic strength (raw mmCIF value) 50 mM;Pressure ambient NMR sample composition:1 mM Bcl-xL U-15N,13C, 50 mM sodium phosphate, 5 mM deuterated dithiothreitol, 100% D2O | 100% D2O Resolution not provided

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.

123 other PDB entries and 195 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name BCLX_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 5–48; UniProt 1–44 Author chain A; PDBConstruct 49–173; UniProt 85–209

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 1ysn

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1ysn
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1ysn
Deposition date deposition_date2005-02-08
Structure title titleSolution structure of the anti-apoptotic protein Bcl-xL complexed with an acyl-sulfonamide-based ligand
Keywords keywordsComplex, APOPTOSIS; APOPTOSIS
Experimental Method methodSOLUTION NMR

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

Radius of gyration Rg (Guinier) rg_guinier20.99
Radius of gyration Rg (electron density) rg_electron19.51
Forward intensity I(0) i09397400.00
Molecular weight molecular_weight21464.0 kDa
Excluded volume excluded_volume26378 ų
Envelope volume envelope_volume36303 ų
Hydration-shell volume shell_volume16662 ų
Envelope diameter envelope_diameter73.0
Shell Rg shell_rg24.69
Envelope Rg envelope_rg20.55
Shape Rg shape_rg19.51
Total Rg total_rg20.37
Total atoms total_atoms2914
Residues n_residues181
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 dmax74.5
Rg (real space) rg_real21.07
Rg uncertainty (real space) rg_real_error0.52
I(0) (real space) i0_real9.3970e+06
I(0) uncertainty (real space) i0_real_error1.3040e+05
Rg (reciprocal space) rg_reciprocal21.06
I(0) (reciprocal space) i0_reciprocal9397000.0000
Solution quality estimate total_estimate0.8480
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary23.8
Skewness Skewness skewness0.494
Kurtosis Kurtosis kurtosis-0.038
Angular range angular_range— – 0.3800 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha1284000.0000
Real-space data points n_real_points70
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.700; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.926; Smooth: 0.994

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (2)

7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (3 domains)

Domain ID domain_idd1ysna2
Class classf — Membrane and cell surface proteins and peptides
Fold Fold foldf.1 — Toxins' membrane translocation domains
Superfamily Superfamily superfamilyf.1.4 — Bcl-2 inhibitors of programmed cell death
Family Family familyf.1.4.1 — Bcl-2 inhibitors of programmed cell death
Domain ID domain_idd1ysna3
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd1ysna4
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags

CATH v4.4 (1 domains)

Domain ID domain_id1ysnA00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology437 — Apoptosis Regulator Bcl-x
Homologous superfamily homologous superfamily10 — Blc2-like

8. Citations (1)

9. Files and Curves (10)