2ymd

Crystal structure of a mutant binding protein (5HTBP-AChBP) in complex with serotonin (5-hydroxytryptamine)

Method: X-RAY DIFFRACTION Dmax: 145.0 Å Quality: GOOD

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

SOLUBLE ACETYLCHOLINE RECEPTOR

APLYSIA CALIFORNICA

UniProt Q8WSF8

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 homooligomer Homooligomer Protein × 10 PDB declaration: decameric(10) Consistent with protein copy count Chain A; UniProt 20–231 Chain B; UniProt 20–231 Chain C; UniProt 20–231 Chain D; UniProt 20–231 Chain E; UniProt 20–231 Chain F; UniProt 20–231 Chain G; UniProt 20–231 Chain H; UniProt 20–231 Chain I; UniProt 20–231 Chain J; UniProt 20–231 Fragment:ACETYLCHOLINE BINDING DOMAIN, RESIDUES 20-231 Mutation:YES SRO SEROTONIN × 10 GOL GLYCEROL × 14 PO4 PHOSPHATE ION × 10 X-RAY DIFFRACTION X-ray crystallization conditions:400 MM (NH4)H2PO4 Resolution 1.96 Å R-free 0.201
2 Protein homooligomer Homooligomer Protein × 5 PDB declaration: pentameric(5) Consistent with protein copy count Chain A; UniProt 20–231 Chain B; UniProt 20–231 Chain C; UniProt 20–231 Chain D; UniProt 20–231 Chain E; UniProt 20–231 Fragment:ACETYLCHOLINE BINDING DOMAIN, RESIDUES 20-231 Mutation:YES SRO SEROTONIN × 5 GOL GLYCEROL × 9 PO4 PHOSPHATE ION × 5 X-RAY DIFFRACTION X-ray crystallization conditions:400 MM (NH4)H2PO4 Resolution 1.96 Å R-free 0.201
3 Protein homooligomer Homooligomer Protein × 5 PDB declaration: pentameric(5) Consistent with protein copy count Chain F; UniProt 20–231 Chain G; UniProt 20–231 Chain H; UniProt 20–231 Chain I; UniProt 20–231 Chain J; UniProt 20–231 Fragment:ACETYLCHOLINE BINDING DOMAIN, RESIDUES 20-231 Mutation:YES SRO SEROTONIN × 5 GOL GLYCEROL × 5 PO4 PHOSPHATE ION × 5 X-RAY DIFFRACTION X-ray crystallization conditions:400 MM (NH4)H2PO4 Resolution 1.96 Å R-free 0.201

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.

85 other PDB entries and 118 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name Q8WSF8_APLCA
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–212; UniProt 20–231 Author chain B; PDBConstruct 1–212; UniProt 20–231 Author chain C; PDBConstruct 1–212; UniProt 20–231 Author chain D; PDBConstruct 1–212; UniProt 20–231 Author chain E; PDBConstruct 1–212; UniProt 20–231 Author chain F; PDBConstruct 1–212; UniProt 20–231 Author chain G; PDBConstruct 1–212; UniProt 20–231 Author chain H; PDBConstruct 1–212; UniProt 20–231 Author chain I; PDBConstruct 1–212; UniProt 20–231 Author chain J; PDBConstruct 1–212; UniProt 20–231

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 2ymd

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id2ymd
Deposition date deposition_date2012-10-09
Structure title titleCrystal structure of a mutant binding protein (5HTBP-AChBP) in complex with serotonin (5-hydroxytryptamine)
Keywords keywordsRECEPTOR, PENTAMERIC LIGAND-GATED ION CHANNEL; RECEPTOR
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier43.66
Radius of gyration Rg (electron density) rg_electron43.10
Forward intensity I(0) i0889503000.00
Molecular weight molecular_weight243420.0 kDa
Excluded volume excluded_volume302640 ų
Envelope volume envelope_volume394360 ų
Hydration-shell volume shell_volume75682 ų
Envelope diameter envelope_diameter142.7
Shell Rg shell_rg48.84
Envelope Rg envelope_rg42.63
Shape Rg shape_rg43.10
Total Rg total_rg43.33
Total atoms total_atoms17128
Residues n_residues2111
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 dmax145.0
Rg (real space) rg_real43.67
Rg uncertainty (real space) rg_real_error1.17
I(0) (real space) i0_real8.8950e+08
I(0) uncertainty (real space) i0_real_error1.7010e+07
Rg (reciprocal space) rg_reciprocal43.66
I(0) (reciprocal space) i0_reciprocal889500000.0000
Solution quality estimate total_estimate0.7898
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary48.3
Skewness Skewness skewness0.395
Kurtosis Kurtosis kurtosis-0.330
Angular range angular_range— – 0.1800 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha135100000.0000
Real-space data points n_real_points37
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.755; 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) 20 domains

SCOP 2.08 (10 domains)

Domain ID domain_idd2ymda_
Class classb — All beta proteins
Fold Fold foldb.96 — Nicotinic receptor ligand binding domain-like
Superfamily Superfamily superfamilyb.96.1 — Nicotinic receptor ligand binding domain-like
Family Family familyb.96.1.0 — automated matches
Domain ID domain_idd2ymdb_
Class classb — All beta proteins
Fold Fold foldb.96 — Nicotinic receptor ligand binding domain-like
Superfamily Superfamily superfamilyb.96.1 — Nicotinic receptor ligand binding domain-like
Family Family familyb.96.1.0 — automated matches
Domain ID domain_idd2ymdc_
Class classb — All beta proteins
Fold Fold foldb.96 — Nicotinic receptor ligand binding domain-like
Superfamily Superfamily superfamilyb.96.1 — Nicotinic receptor ligand binding domain-like
Family Family familyb.96.1.0 — automated matches
Domain ID domain_idd2ymdd_
Class classb — All beta proteins
Fold Fold foldb.96 — Nicotinic receptor ligand binding domain-like
Superfamily Superfamily superfamilyb.96.1 — Nicotinic receptor ligand binding domain-like
Family Family familyb.96.1.0 — automated matches
Domain ID domain_idd2ymde_
Class classb — All beta proteins
Fold Fold foldb.96 — Nicotinic receptor ligand binding domain-like
Superfamily Superfamily superfamilyb.96.1 — Nicotinic receptor ligand binding domain-like
Family Family familyb.96.1.0 — automated matches
Domain ID domain_idd2ymdf_
Class classb — All beta proteins
Fold Fold foldb.96 — Nicotinic receptor ligand binding domain-like
Superfamily Superfamily superfamilyb.96.1 — Nicotinic receptor ligand binding domain-like
Family Family familyb.96.1.0 — automated matches
Domain ID domain_idd2ymdg_
Class classb — All beta proteins
Fold Fold foldb.96 — Nicotinic receptor ligand binding domain-like
Superfamily Superfamily superfamilyb.96.1 — Nicotinic receptor ligand binding domain-like
Family Family familyb.96.1.0 — automated matches
Domain ID domain_idd2ymdh_
Class classb — All beta proteins
Fold Fold foldb.96 — Nicotinic receptor ligand binding domain-like
Superfamily Superfamily superfamilyb.96.1 — Nicotinic receptor ligand binding domain-like
Family Family familyb.96.1.0 — automated matches
Domain ID domain_idd2ymdi_
Class classb — All beta proteins
Fold Fold foldb.96 — Nicotinic receptor ligand binding domain-like
Superfamily Superfamily superfamilyb.96.1 — Nicotinic receptor ligand binding domain-like
Family Family familyb.96.1.0 — automated matches
Domain ID domain_idd2ymdj_
Class classb — All beta proteins
Fold Fold foldb.96 — Nicotinic receptor ligand binding domain-like
Superfamily Superfamily superfamilyb.96.1 — Nicotinic receptor ligand binding domain-like
Family Family familyb.96.1.0 — automated matches

CATH v4.4 (10 domains)

Domain ID domain_id2ymdA00
Class class2 — Mainly Beta
Architecture architecture70 — Distorted Sandwich
Topology topology170 — Acetylcholine Binding Protein; Chain: A,
Homologous superfamily homologous superfamily10 — Neurotransmitter-gated ion-channel ligand-binding domain
Domain ID domain_id2ymdB00
Class class2 — Mainly Beta
Architecture architecture70 — Distorted Sandwich
Topology topology170 — Acetylcholine Binding Protein; Chain: A,
Homologous superfamily homologous superfamily10 — Neurotransmitter-gated ion-channel ligand-binding domain
Domain ID domain_id2ymdC00
Class class2 — Mainly Beta
Architecture architecture70 — Distorted Sandwich
Topology topology170 — Acetylcholine Binding Protein; Chain: A,
Homologous superfamily homologous superfamily10 — Neurotransmitter-gated ion-channel ligand-binding domain
Domain ID domain_id2ymdD00
Class class2 — Mainly Beta
Architecture architecture70 — Distorted Sandwich
Topology topology170 — Acetylcholine Binding Protein; Chain: A,
Homologous superfamily homologous superfamily10 — Neurotransmitter-gated ion-channel ligand-binding domain
Domain ID domain_id2ymdE00
Class class2 — Mainly Beta
Architecture architecture70 — Distorted Sandwich
Topology topology170 — Acetylcholine Binding Protein; Chain: A,
Homologous superfamily homologous superfamily10 — Neurotransmitter-gated ion-channel ligand-binding domain
Domain ID domain_id2ymdF00
Class class2 — Mainly Beta
Architecture architecture70 — Distorted Sandwich
Topology topology170 — Acetylcholine Binding Protein; Chain: A,
Homologous superfamily homologous superfamily10 — Neurotransmitter-gated ion-channel ligand-binding domain
Domain ID domain_id2ymdG00
Class class2 — Mainly Beta
Architecture architecture70 — Distorted Sandwich
Topology topology170 — Acetylcholine Binding Protein; Chain: A,
Homologous superfamily homologous superfamily10 — Neurotransmitter-gated ion-channel ligand-binding domain
Domain ID domain_id2ymdH00
Class class2 — Mainly Beta
Architecture architecture70 — Distorted Sandwich
Topology topology170 — Acetylcholine Binding Protein; Chain: A,
Homologous superfamily homologous superfamily10 — Neurotransmitter-gated ion-channel ligand-binding domain
Domain ID domain_id2ymdI00
Class class2 — Mainly Beta
Architecture architecture70 — Distorted Sandwich
Topology topology170 — Acetylcholine Binding Protein; Chain: A,
Homologous superfamily homologous superfamily10 — Neurotransmitter-gated ion-channel ligand-binding domain
Domain ID domain_id2ymdJ00
Class class2 — Mainly Beta
Architecture architecture70 — Distorted Sandwich
Topology topology170 — Acetylcholine Binding Protein; Chain: A,
Homologous superfamily homologous superfamily10 — Neurotransmitter-gated ion-channel ligand-binding domain

8. Citations (1)

9. Files and Curves (10)