6g7o

Crystal structure of human alkaline ceramidase 3 (ACER3) at 2.7 Angstrom resolution

Method: X-RAY DIFFRACTION Dmax: 95.0 Å Quality: GOOD

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

Alkaline ceramidase 3,Soluble cytochrome b562

Escherichia coli

UniProt P0ABE7

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Insufficient information Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 23–127 Not recorded ZN ZINC ION × 1 SO4 SULFATE ION × 6 NA SODIUM ION × 3 OLB (2S)-2,3-dihydroxypropyl (9Z)-octadec-9-enoate × 1 CA CALCIUM ION × 1 MG MAGNESIUM ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:LIPIDIC CUBIC PHASE;pH 7.5;293.15 K;75mM MgSO4, 34-40% PEG400, 5% DMSO Resolution 2.70 Å R-free 0.270

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.

714 other PDB entries and 822 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name C562_ECOLX
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 245–349; UniProt 23–127

Alkaline ceramidase 3,Soluble cytochrome b562

Escherichia coli

UniProt Q9NUN7

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Insufficient information Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 2–244 Not recorded ZN ZINC ION × 1 SO4 SULFATE ION × 6 NA SODIUM ION × 3 OLB (2S)-2,3-dihydroxypropyl (9Z)-octadec-9-enoate × 1 CA CALCIUM ION × 1 MG MAGNESIUM ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:LIPIDIC CUBIC PHASE;pH 7.5;293.15 K;75mM MgSO4, 34-40% PEG400, 5% DMSO Resolution 2.70 Å R-free 0.270

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.

1 other PDB entries and 1 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name ACER3_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 2–244; UniProt 2–244

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 6g7o

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 6g7o
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2. Structure Basics 2. Structure Basics

Entry ID entry_id6g7o
Deposition date deposition_date2018-04-06
Structure title titleCrystal structure of human alkaline ceramidase 3 (ACER3) at 2.7 Angstrom resolution
Keywords keywordsHydrolase, 7TM, Zinc binding protein, Calcium-binding protein, MEMBRANE PROTEIN; MEMBRANE PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier28.34
Radius of gyration Rg (electron density) rg_electron27.70
Forward intensity I(0) i026212700.00
Molecular weight molecular_weight41605.0 kDa
Excluded volume excluded_volume52934 ų
Envelope volume envelope_volume69532 ų
Hydration-shell volume shell_volume22737 ų
Envelope diameter envelope_diameter99.2
Shell Rg shell_rg32.56
Envelope Rg envelope_rg27.94
Shape Rg shape_rg27.69
Total Rg total_rg28.33
Total atoms total_atoms2917
Residues n_residues350
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 dmax95.0
Rg (real space) rg_real28.62
Rg uncertainty (real space) rg_real_error0.71
I(0) (real space) i0_real2.6210e+07
I(0) uncertainty (real space) i0_real_error3.9190e+05
Rg (reciprocal space) rg_reciprocal28.54
I(0) (reciprocal space) i0_reciprocal26210000.0000
Solution quality estimate total_estimate0.8347
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary22.1
Skewness Skewness skewness0.398
Kurtosis Kurtosis kurtosis-0.700
Angular range angular_range— – 0.2800 −1
Current regularization parameter α current_alpha0.0001
Highest regularization parameter α highest_alpha3456000.0000
Real-space data points n_real_points57
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.768; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.566; Smooth: 0.976

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (8)

7. Fold Classification (SCOP + CATH) 1 domains

CATH v4.4 (1 domains)

Domain ID domain_id6g7oA01
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology120 — Four Helix Bundle (Hemerythrin (Met), subunit A)
Homologous superfamily homologous superfamily10 — Cytochrome c/b562

8. Citations (1)

9. Files and Curves (10)