2x8b

Crystal structure of human acetylcholinesterase inhibited by aged tabun and complexed with fasciculin-II

Method: X-RAY DIFFRACTION

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

ACETHYLCHOLINESTERASE

HOMO SAPIENS

UniProt P22303

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 32–614 Non-standard monomer:Yes (specific site not provided by mmCIF) FASCICULIN-2 × 2 (P0C1Z0) CL CHLORIDE ION × 22 SO4 SULFATE ION × 2 UNX UNKNOWN LIGAND × 6 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 4 X-RAY DIFFRACTION X-ray crystallization conditions:pH 7.4;0.1 M HEPES BUFFER PH 7.4, 1.3 M AMMONIUM SULFATE Resolution 2.95 Å R-free 0.253

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.

77 other PDB entries and 84 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name ACES_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–583; UniProt 32–614

FASCICULIN-2

OrganismNot specified

UniProt P0C1Z0

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 ACETHYLCHOLINESTERASE × 2 (P22303) CL CHLORIDE ION × 22 SO4 SULFATE ION × 2 UNX UNKNOWN LIGAND × 6 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 4 X-RAY DIFFRACTION X-ray crystallization conditions:pH 7.4;0.1 M HEPES BUFFER PH 7.4, 1.3 M AMMONIUM SULFATE Resolution 2.95 Å R-free 0.253

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.

2 other PDB entries and 3 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name TXFA2_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

暂无 SAXS 图

P(r) Distance Distribution P(r) Distribution

暂无 P(r) 图
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2. Structure Basics 2. Structure Basics

Entry ID entry_id2x8b
Deposition date deposition_date2010-03-08
Structure title titleCrystal structure of human acetylcholinesterase inhibited by aged tabun and complexed with fasciculin-II
Keywords keywords;HYDROLASE-TOXIN COMPLEX, CELL JUNCTION, HYDROLASE, GPI-ANCHOR, NEUROTRANSMITTER DEGRADATION, TABUN, AGING, SERINE ESTERASE, BLOOD GROUP ANTIGEN ;; HYDROLASE/TOXIN
Experimental Method methodX-RAY DIFFRACTION

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

该条目暂无 SAXS 数据。

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

该条目暂无 P(r) 分析数据。

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (7)

7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd2x8ba_
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.69.1.0 — automated matches
Domain ID domain_idd2x8bb_
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_id2x8bA00
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_id2x8bB00
Class class2 — Mainly Beta
Architecture architecture10 — Ribbon
Topology topology60 — CD59
Homologous superfamily homologous superfamily10 — CD59

8. Citations (1)

9. Files and Curves (0)