1pwq

Crystal structure of Anthrax Lethal Factor complexed with Thioacetyl-Tyr-Pro-Met-Amide, a metal-chelating peptidyl small molecule inhibitor

Method: X-RAY DIFFRACTION Dmax: 117.2 Å Quality: REASONABLE

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

Lethal factor

Bacillus anthracis

UniProt P15917

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 34–809 Not recorded ZN ZINC ION × 1 SD2 N-(SULFANYLACETYL)TYROSYLPROLYLMETHIONINAMIDE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 8;298 K;Ammonium sulfate, Tris-HCl, EDTA, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K Resolution 3.52 Å R-free 0.311
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 34–809 Not recorded ZN ZINC ION × 1 SD2 N-(SULFANYLACETYL)TYROSYLPROLYLMETHIONINAMIDE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 8;298 K;Ammonium sulfate, Tris-HCl, EDTA, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K Resolution 3.52 Å R-free 0.311

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.

30 other PDB entries and 37 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name LEF_BACAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–776; UniProt 34–809 Author chain B; PDBConstruct 1–776; UniProt 34–809

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 1pwq

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id1pwq
Deposition date deposition_date2003-07-02
Structure title titleCrystal structure of Anthrax Lethal Factor complexed with Thioacetyl-Tyr-Pro-Met-Amide, a metal-chelating peptidyl small molecule inhibitor
Keywords keywordsAnthrax Toxin, Lethal Factor, metal-chelator, small molecule peptidic inhibitor, HYDROLASE; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier38.30
Radius of gyration Rg (electron density) rg_electron37.59
Forward intensity I(0) i0434562000.00
Molecular weight molecular_weight171700.0 kDa
Excluded volume excluded_volume216050 ų
Envelope volume envelope_volume300210 ų
Hydration-shell volume shell_volume64973 ų
Envelope diameter envelope_diameter122.9
Shell Rg shell_rg44.92
Envelope Rg envelope_rg37.01
Shape Rg shape_rg37.59
Total Rg total_rg38.05
Total atoms total_atoms12120
Residues n_residues1466
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 dmax117.2
Rg (real space) rg_real38.43
Rg uncertainty (real space) rg_real_error0.26
I(0) (real space) i0_real4.2390e+08
I(0) uncertainty (real space) i0_real_error5.0640e+06
Rg (reciprocal space) rg_reciprocal38.21
I(0) (reciprocal space) i0_reciprocal434600000.0000
Solution quality estimate total_estimate0.7252
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary51.5
Skewness Skewness skewness0.172
Kurtosis Kurtosis kurtosis-0.410
Angular range angular_range— – 0.2050 −1
Current regularization parameter α current_alpha2.9360
Highest regularization parameter α highest_alpha105500000.0000
Real-space data points n_real_points42
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.949; Stabil: 0.924; Sysdev: 0.000; Positv: 1.000; Valcen: 0.981; Smooth: 0.836

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 14 domains

SCOP 2.08 (6 domains)

Domain ID domain_idd1pwqa1
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.92 — Zincin-like
Superfamily Superfamily superfamilyd.92.1 — Metalloproteases ('zincins'), catalytic domain
Family Family familyd.92.1.14 — Anthrax toxin lethal factor, N- and C-terminal domains
Domain ID domain_idd1pwqa2
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.92 — Zincin-like
Superfamily Superfamily superfamilyd.92.1 — Metalloproteases ('zincins'), catalytic domain
Family Family familyd.92.1.14 — Anthrax toxin lethal factor, N- and C-terminal domains
Domain ID domain_idd1pwqa3
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.166 — ADP-ribosylation
Superfamily Superfamily superfamilyd.166.1 — ADP-ribosylation
Family Family familyd.166.1.1 — ADP-ribosylating toxins
Domain ID domain_idd1pwqb1
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.92 — Zincin-like
Superfamily Superfamily superfamilyd.92.1 — Metalloproteases ('zincins'), catalytic domain
Family Family familyd.92.1.14 — Anthrax toxin lethal factor, N- and C-terminal domains
Domain ID domain_idd1pwqb2
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.92 — Zincin-like
Superfamily Superfamily superfamilyd.92.1 — Metalloproteases ('zincins'), catalytic domain
Family Family familyd.92.1.14 — Anthrax toxin lethal factor, N- and C-terminal domains
Domain ID domain_idd1pwqb3
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.166 — ADP-ribosylation
Superfamily Superfamily superfamilyd.166.1 — ADP-ribosylation
Family Family familyd.166.1.1 — ADP-ribosylating toxins

CATH v4.4 (8 domains)

Domain ID domain_id1pwqA01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology390 — Collagenase (Catalytic Domain)
Homologous superfamily homologous superfamily10 — Collagenase (Catalytic Domain)
Domain ID domain_id1pwqA02
Class class3 — Alpha Beta
Architecture architecture90 — Alpha-Beta Complex
Topology topology176 — Toxin ADP-ribosyltransferase; Chain A, domain 1
Homologous superfamily homologous superfamily10 — Toxin ADP-ribosyltransferase; Chain A, domain 1
Domain ID domain_id1pwqA03
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology2030 — Anthrax toxin lethal factor, domain 3, chain A
Homologous superfamily homologous superfamily10 — Anthrax toxin lethal factor, domain 3, chain A
Domain ID domain_id1pwqA04
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology390 — Collagenase (Catalytic Domain)
Homologous superfamily homologous superfamily10 — Collagenase (Catalytic Domain)
Domain ID domain_id1pwqB01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology390 — Collagenase (Catalytic Domain)
Homologous superfamily homologous superfamily10 — Collagenase (Catalytic Domain)
Domain ID domain_id1pwqB02
Class class3 — Alpha Beta
Architecture architecture90 — Alpha-Beta Complex
Topology topology176 — Toxin ADP-ribosyltransferase; Chain A, domain 1
Homologous superfamily homologous superfamily10 — Toxin ADP-ribosyltransferase; Chain A, domain 1
Domain ID domain_id1pwqB03
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology2030 — Anthrax toxin lethal factor, domain 3, chain A
Homologous superfamily homologous superfamily10 — Anthrax toxin lethal factor, domain 3, chain A
Domain ID domain_id1pwqB04
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology390 — Collagenase (Catalytic Domain)
Homologous superfamily homologous superfamily10 — Collagenase (Catalytic Domain)

8. Citations (1)

9. Files and Curves (10)