5ue8

The crystal structure of Munc13-1 C1C2BMUN domain

Method: X-RAY DIFFRACTION Dmax: 249.9 Å Quality: REASONABLE

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

Protein unc-13 homolog A

Rattus norvegicus

UniProt Q62768

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 529–1407 Chain A; UniProt 1452–1531 Fragment:C1C2BMUN domain (UNP residues 529-1407 and 1452-1531) Mutation:;L756W mutation. Removal of alternatively spliced loop between residues 1407 and 1453, addition of two residues (EF) as cloning artifact. ; ZN ZINC ION × 2 CL CHLORIDE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;293 K;0.2 M LiCl, 0.1 M Tris-HCl pH 8.0, 0.15 M NaCl, 12% PEG 10,000, 10% glycerol, 5 mM TCEP, 25% ethylene glycol Resolution 3.35 Å R-free 0.290
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 529–1407 Chain B; UniProt 1452–1531 Fragment:C1C2BMUN domain (UNP residues 529-1407 and 1452-1531) Mutation:;L756W mutation. Removal of alternatively spliced loop between residues 1407 and 1453, addition of two residues (EF) as cloning artifact. ; ZN ZINC ION × 2 CL CHLORIDE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;293 K;0.2 M LiCl, 0.1 M Tris-HCl pH 8.0, 0.15 M NaCl, 12% PEG 10,000, 10% glycerol, 5 mM TCEP, 25% ethylene glycol Resolution 3.35 Å R-free 0.290

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.

12 other PDB entries and 14 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name UN13A_RAT
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–879; UniProt 529–1407 Author chain A; PDBConstruct 882–961; UniProt 1452–1531 Author chain B; PDBConstruct 1–879; UniProt 529–1407 Author chain B; PDBConstruct 882–961; UniProt 1452–1531

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 5ue8

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 5ue8
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2. Structure Basics 2. Structure Basics

Entry ID entry_id5ue8
Deposition date deposition_date2016-12-29
Structure title titleThe crystal structure of Munc13-1 C1C2BMUN domain
Keywords keywordsALPHA HELICAL, NEUROTRANSMITTER RELEASE, SNARE MOTIF, EXOCYTOSIS, C1 DOMAIN, C2 DOMAIN; EXOCYTOSIS
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier81.83
Radius of gyration Rg (electron density) rg_electron83.69
Forward intensity I(0) i0536881000.00
Molecular weight molecular_weight193930.0 kDa
Excluded volume excluded_volume242970 ų
Envelope volume envelope_volume421530 ų
Hydration-shell volume shell_volume54626 ų
Envelope diameter envelope_diameter282.4
Shell Rg shell_rg50.27
Envelope Rg envelope_rg82.88
Shape Rg shape_rg83.62
Total Rg total_rg83.05
Total atoms total_atoms27058
Residues n_residues1685
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 dmax249.9
Rg (real space) rg_real80.90
Rg uncertainty (real space) rg_real_error2.18
I(0) (real space) i0_real5.3080e+08
I(0) uncertainty (real space) i0_real_error1.0920e+07
Rg (reciprocal space) rg_reciprocal75.37
I(0) (reciprocal space) i0_reciprocal527600000.0000
Solution quality estimate total_estimate0.7177
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks3
Primary peak position r_peak_primary39.5
Skewness Skewness skewness0.567
Kurtosis Kurtosis kurtosis-0.535
Angular range angular_range— – 0.0950 −1
Current regularization parameter α current_alpha0.0625
Highest regularization parameter α highest_alpha12600000.0000
Real-space data points n_real_points20
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.395; Stabil: 0.967; Sysdev: 1.000; Positv: 1.000; Valcen: 0.344; Smooth: 0.796

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 6 domains

CATH v4.4 (6 domains)

Domain ID domain_id5ue8A01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily150 — C2 domain
Domain ID domain_id5ue8A02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology357 — Tetracycline Repressor; domain 2
Homologous superfamily homologous superfamily50
Domain ID domain_id5ue8A03
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology58 — Methane Monooxygenase Hydroxylase; Chain G, domain 1
Homologous superfamily homologous superfamily1100
Domain ID domain_id5ue8B01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily150 — C2 domain
Domain ID domain_id5ue8B02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology357 — Tetracycline Repressor; domain 2
Homologous superfamily homologous superfamily50
Domain ID domain_id5ue8B03
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology58 — Methane Monooxygenase Hydroxylase; Chain G, domain 1
Homologous superfamily homologous superfamily1100

8. Citations (4)

9. Files and Curves (10)