2m5b

The NMR structure of the BID-BAK complex

Method: SOLUTION NMR Dmax: 53.2 Å Quality: GOOD

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

Bcl-2 homologous antagonist/killer

Homo sapiens

UniProt Q16611

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 18–186 Not recorded human_BID_BH3_SAHB × 1 SOLUTION NMR NMR measurement conditions:pH 6.8;300 K;Ionic strength (raw mmCIF value) 0;Pressure ambient NMR sample composition:~0.5 mM [U-98% 13C; U-98% 15N] human cBAK, ~0.5 mM human BID BH3 SAHB, 90% H2O/10% D2O | 90% H2O/10% 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.

53 other PDB entries and 103 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name BAK_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–169; UniProt 18–186

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 2m5b

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 2m5b
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2. Structure Basics 2. Structure Basics

Entry ID entry_id2m5b
Deposition date deposition_date2013-02-19
Structure title titleThe NMR structure of the BID-BAK complex
Keywords keywords;BCL-2 family effector BAK, BH3-only protein BID, effector direct activation, NMR solution structure of BID-BAK complex, mitochondrial outer membrane premeabilization, apoptosis ;; APOPTOSIS
Experimental Method methodSOLUTION NMR

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_electron15.76
Forward intensity I(0) i02558450000.00
Molecular weight molecular_weight428830.0 kDa
Excluded volume excluded_volume535410 ų
Envelope volume envelope_volume45569 ų
Hydration-shell volume shell_volume20592 ų
Envelope diameter envelope_diameter56.5
Shell Rg shell_rg24.96
Envelope Rg envelope_rg18.30
Shape Rg shape_rg15.72
Total Rg total_rg16.02
Total atoms total_atoms55660
Residues n_residues3760
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 dmax53.2
Rg (real space) rg_real16.27
Rg uncertainty (real space) rg_real_error0.27
I(0) (real space) i0_real2.5580e+09
I(0) uncertainty (real space) i0_real_error2.6550e+07
Rg (reciprocal space) rg_reciprocal16.29
I(0) (reciprocal space) i0_reciprocal2558000000.0000
Solution quality estimate total_estimate0.8701
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary22.5
Skewness Skewness skewness0.033
Kurtosis Kurtosis kurtosis-0.418
Angular range angular_range— – 0.4850 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha1558000.0000
Real-space data points n_real_points79
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.775; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.981; Smooth: 0.999

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (2)

7. Fold Classification (SCOP + CATH) 1 domains

CATH v4.4 (1 domains)

Domain ID domain_id2m5bA00
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)