5w5x

Crystal structure of BAXP168G in complex with an activating antibody

Method: X-RAY DIFFRACTION Dmax: 112.6 Å Quality: GOOD

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

Apoptosis regulator BAX

Homo sapiens

UniProt Q07812

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 × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain A; UniProt 1–192 Mutation:C62S C126S P168G ;3C10 Fab' light chain ; × 1 ;3C10 Fab' heavy chain ; × 1 EDO 1,2-ETHANEDIOL × 9 ZN ZINC ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;293 K;PEG 4000, HEPES Resolution 2.50 Å R-free 0.243
2 Protein heterocomplex Heteromer Protein × 6 PDB declaration: hexameric(6) Consistent with protein copy count Chain A; UniProt 1–192 Mutation:C62S C126S P168G ;3C10 Fab' light chain ; × 2 ;3C10 Fab' heavy chain ; × 2 EDO 1,2-ETHANEDIOL × 18 ZN ZINC ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;293 K;PEG 4000, HEPES Resolution 2.50 Å R-free 0.243

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.

35 other PDB entries and 60 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name BAX_HUMAN
Isoform
PDB entities 3
Chains and sequence ranges Author chain A; PDBConstruct 1–192; UniProt 1–192

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 5w5x

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 5w5x
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2. Structure Basics 2. Structure Basics

Entry ID entry_id5w5x
Deposition date deposition_date2017-06-16
Structure title titleCrystal structure of BAXP168G in complex with an activating antibody
Keywords keywords;Fab', BAX activation, unfolding, APOPTOSIS, APOPTOSIS-IMMUNE SYSTEM complex ;; APOPTOSIS/IMMUNE SYSTEM
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier31.89
Radius of gyration Rg (electron density) rg_electron31.94
Forward intensity I(0) i065048900.00
Molecular weight molecular_weight63674.0 kDa
Excluded volume excluded_volume79605 ų
Envelope volume envelope_volume103960 ų
Hydration-shell volume shell_volume29994 ų
Envelope diameter envelope_diameter112.3
Shell Rg shell_rg35.53
Envelope Rg envelope_rg31.66
Shape Rg shape_rg31.92
Total Rg total_rg32.32
Total atoms total_atoms4479
Residues n_residues590
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 dmax112.6
Rg (real space) rg_real32.31
Rg uncertainty (real space) rg_real_error1.10
I(0) (real space) i0_real6.5050e+07
I(0) uncertainty (real space) i0_real_error1.1240e+06
Rg (reciprocal space) rg_reciprocal32.14
I(0) (reciprocal space) i0_reciprocal65040000.0000
Solution quality estimate total_estimate0.8186
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary31.5
Skewness Skewness skewness0.608
Kurtosis Kurtosis kurtosis-0.214
Angular range angular_range— – 0.2500 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha10990000.0000
Real-space data points n_real_points51
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.681; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.740; Smooth: 0.854

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

7. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

Domain ID domain_idd5w5xa_
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_idd5w5xh_
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.1 — Immunoglobulin
Family Family familyb.1.1.1 — V set domains (antibody variable domain-like)
Domain ID domain_idd5w5xl1
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.1 — Immunoglobulin
Family Family familyb.1.1.0 — automated matches
Domain ID domain_idd5w5xl2
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.1 — Immunoglobulin
Family Family familyb.1.1.0 — automated matches

CATH v4.4 (4 domains)

Domain ID domain_id5w5xA00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology437 — Apoptosis Regulator Bcl-x
Homologous superfamily homologous superfamily10 — Blc2-like
Domain ID domain_id5w5xH02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id5w5xL01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id5w5xL02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins

8. Citations (1)

9. Files and Curves (10)