8iqm

Structural basis of the specificity and interaction mechanism of Bmf binding to pro-survival proteins

Method: X-RAY DIFFRACTION Dmax: 49.7 Å Quality: GOOD

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

Induced myeloid leukemia cell differentiation protein Mcl-1

Homo sapiens

UniProt Q07820

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 171–327 Fragment:UNP residues 171-327 Bcl2 modifying factor × 1 (H0WYH6) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;291 K;0.1 M potassium thiocyanate, 20% polyethylene glycol monomethyl ether 2,000. Resolution 1.97 Å R-free 0.235

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.

141 other PDB entries and 285 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name MCL1_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–157; UniProt 171–327

Bcl2 modifying factor

Homo sapiens

UniProt H0WYH6

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 B; UniProt 128–148 Not recorded Induced myeloid leukemia cell differentiation protein Mcl-1 × 1 (Q07820) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;291 K;0.1 M potassium thiocyanate, 20% polyethylene glycol monomethyl ether 2,000. Resolution 1.97 Å R-free 0.235

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.

No other PDB entry for the same UniProt protein was found.

View Construct and Data Evidence
UniProt name H0WYH6_OTOGA
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 1–21; UniProt 128–148

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 8iqm

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 8iqm
Download Download

2. Structure Basics 2. Structure Basics

Entry ID entry_id8iqm
Deposition date deposition_date2023-03-16
最后修订 last_revision2023-08-23
Structure title titleStructural basis of the specificity and interaction mechanism of Bmf binding to pro-survival proteins
Keywords keywordsComplex, APOPTOSIS; APOPTOSIS
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier16.43
Radius of gyration Rg (electron density) rg_electron14.77
Forward intensity I(0) i06580550.00
Molecular weight molecular_weight18298.0 kDa
Excluded volume excluded_volume22815 ų
Envelope volume envelope_volume25725 ų
Hydration-shell volume shell_volume14444 ų
Envelope diameter envelope_diameter49.1
Shell Rg shell_rg20.92
Envelope Rg envelope_rg15.08
Shape Rg shape_rg14.76
Total Rg total_rg15.95
Total atoms total_atoms1291
Residues n_residues166
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 dmax49.7
Rg (real space) rg_real16.27
Rg uncertainty (real space) rg_real_error0.23
I(0) (real space) i0_real6.5810e+06
I(0) uncertainty (real space) i0_real_error7.0190e+04
Rg (reciprocal space) rg_reciprocal16.28
I(0) (reciprocal space) i0_reciprocal6581000.0000
Solution quality estimate total_estimate0.8924
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary22.3
Skewness Skewness skewness0.012
Kurtosis Kurtosis kurtosis-0.427
Angular range angular_range— – 0.4850 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha1437000.0000
Real-space data points n_real_points79
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.882; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.966; Smooth: 0.987

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 1 domains

CATH v4.4 (1 domains)

Domain ID domain_id8iqmA01
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)