1fss

ACETYLCHOLINESTERASE (E.C. 3.1.1.7) COMPLEXED WITH FASCICULIN-II

Method: X-RAY DIFFRACTION Dmax: 82.4 Å Quality: GOOD

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

ACETYLCHOLINESTERASE

OrganismNot specified

UniProt P04058

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 × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain A; UniProt 22–558 Not recorded FASCICULIN II × 2 (P01403) NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 ZN ZINC ION × 4 X-RAY DIFFRACTION mmCIF provides none of the parsed experimental conditions Resolution 3.00 Å R-free 0.310

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.

124 other PDB entries and 125 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name ACES_TORCA
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–537; UniProt 22–558

FASCICULIN II

OrganismNot specified

UniProt P01403

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 × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain B; UniProt 1–61 Not recorded ACETYLCHOLINESTERASE × 2 (P04058) NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 ZN ZINC ION × 4 X-RAY DIFFRACTION mmCIF provides none of the parsed experimental conditions Resolution 3.00 Å R-free 0.310

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.

6 other PDB entries and 8 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name TXF7_DENAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 1–61; UniProt 1–61

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 1fss

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id1fss
Deposition date deposition_date1995-10-25
Structure title titleACETYLCHOLINESTERASE (E.C. 3.1.1.7) COMPLEXED WITH FASCICULIN-II
Keywords keywordsCOMPLEX (SERINE ESTERASE-TOXIN), COMPLEX (SERINE ESTERASE-TOXIN) complex; COMPLEX (SERINE ESTERASE/TOXIN)
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier24.99
Radius of gyration Rg (electron density) rg_electron23.56
Forward intensity I(0) i074044000.00
Molecular weight molecular_weight66927.0 kDa
Excluded volume excluded_volume83387 ų
Envelope volume envelope_volume95488 ų
Hydration-shell volume shell_volume32413 ų
Envelope diameter envelope_diameter80.5
Shell Rg shell_rg32.02
Envelope Rg envelope_rg23.87
Shape Rg shape_rg23.48
Total Rg total_rg24.70
Total atoms total_atoms4705
Residues n_residues593
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 dmax82.4
Rg (real space) rg_real24.79
Rg uncertainty (real space) rg_real_error0.48
I(0) (real space) i0_real7.4040e+07
I(0) uncertainty (real space) i0_real_error9.7550e+05
Rg (reciprocal space) rg_reciprocal24.84
I(0) (reciprocal space) i0_reciprocal74050000.0000
Solution quality estimate total_estimate0.8033
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary32.7
Skewness Skewness skewness0.104
Kurtosis Kurtosis kurtosis-0.476
Angular range angular_range— – 0.3200 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha12920000.0000
Real-space data points n_real_points64
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.813; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.999; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1fssa_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.69 — alpha/beta-Hydrolases
Superfamily Superfamily superfamilyc.69.1 — alpha/beta-Hydrolases
Family Family familyc.69.1.1 — Acetylcholinesterase-like
Domain ID domain_idd1fssb_
Class classg — Small proteins
Fold Fold foldg.7 — Snake toxin-like
Superfamily Superfamily superfamilyg.7.1 — Snake toxin-like
Family Family familyg.7.1.1 — Snake venom toxins

CATH v4.4 (2 domains)

Domain ID domain_id1fssA00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily1820 — Alpha/Beta hydrolase fold, catalytic domain
Domain ID domain_id1fssB00
Class class2 — Mainly Beta
Architecture architecture10 — Ribbon
Topology topology60 — CD59
Homologous superfamily homologous superfamily10 — CD59

8. Citations (3)

9. Files and Curves (10)