1vde

PI-SCEI, A HOMING ENDONUCLEASE WITH PROTEIN SPLICING ACTIVITY

Method: X-RAY DIFFRACTION Dmax: 96.2 Å Quality: EXCELLENT

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

PI-SCEI

Saccharomyces cerevisiae

UniProt P17255

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 × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 284–737 Chain B; UniProt 284–737 Not recorded No other associated polymer X-RAY DIFFRACTION X-ray crystallization conditions:pH 8.5;4% PEG 6K, 10MM BME, 3MM CDCL2, 1MM MGCL2, 100MM TRIS, PH=8.5 Resolution 2.40 Å R-free 0.238

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.

15 other PDB entries and 19 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name VATA_YEAST
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–454; UniProt 284–737 Author chain B; PDBConstruct 1–454; UniProt 284–737

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 1vde

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id1vde
Deposition date deposition_date1997-04-01
Structure title titlePI-SCEI, A HOMING ENDONUCLEASE WITH PROTEIN SPLICING ACTIVITY
Keywords keywordsHOMING ENDONUCLEASE, PROTEIN SPLICING, ENDONUCLEASE; ENDONUCLEASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier31.01
Radius of gyration Rg (electron density) rg_electron30.02
Forward intensity I(0) i0146739000.00
Molecular weight molecular_weight96147.0 kDa
Excluded volume excluded_volume120510 ų
Envelope volume envelope_volume150930 ų
Hydration-shell volume shell_volume41092 ų
Envelope diameter envelope_diameter98.8
Shell Rg shell_rg37.90
Envelope Rg envelope_rg29.72
Shape Rg shape_rg30.00
Total Rg total_rg30.76
Total atoms total_atoms6769
Residues n_residues857
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 dmax96.2
Rg (real space) rg_real30.83
Rg uncertainty (real space) rg_real_error0.42
I(0) (real space) i0_real1.4670e+08
I(0) uncertainty (real space) i0_real_error2.0870e+06
Rg (reciprocal space) rg_reciprocal30.91
I(0) (reciprocal space) i0_reciprocal146700000.0000
Solution quality estimate total_estimate0.9061
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary39.6
Skewness Skewness skewness0.122
Kurtosis Kurtosis kurtosis-0.542
Angular range angular_range— – 0.2550 −1
Current regularization parameter α current_alpha0.0003
Highest regularization parameter α highest_alpha23230000.0000
Real-space data points n_real_points52
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.940; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.995; Smooth: 0.960

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (2)

7. Fold Classification (SCOP + CATH) 12 domains

SCOP 2.08 (6 domains)

Domain ID domain_idd1vdea1
Class classb — All beta proteins
Fold Fold foldb.86 — Hedgehog/intein (Hint) domain
Superfamily Superfamily superfamilyb.86.1 — Hedgehog/intein (Hint) domain
Family Family familyb.86.1.2 — Intein (protein splicing domain)
Domain ID domain_idd1vdea2
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.95 — Homing endonuclease-like
Superfamily Superfamily superfamilyd.95.2 — Homing endonucleases
Family Family familyd.95.2.2 — Intein endonuclease
Domain ID domain_idd1vdea3
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.95 — Homing endonuclease-like
Superfamily Superfamily superfamilyd.95.2 — Homing endonucleases
Family Family familyd.95.2.2 — Intein endonuclease
Domain ID domain_idd1vdeb1
Class classb — All beta proteins
Fold Fold foldb.86 — Hedgehog/intein (Hint) domain
Superfamily Superfamily superfamilyb.86.1 — Hedgehog/intein (Hint) domain
Family Family familyb.86.1.2 — Intein (protein splicing domain)
Domain ID domain_idd1vdeb2
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.95 — Homing endonuclease-like
Superfamily Superfamily superfamilyd.95.2 — Homing endonucleases
Family Family familyd.95.2.2 — Intein endonuclease
Domain ID domain_idd1vdeb3
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.95 — Homing endonuclease-like
Superfamily Superfamily superfamilyd.95.2 — Homing endonucleases
Family Family familyd.95.2.2 — Intein endonuclease

CATH v4.4 (6 domains)

Domain ID domain_id1vdeA01
Class class2 — Mainly Beta
Architecture architecture170 — Beta Complex
Topology topology16 — Endonuclease - Pi-scei; Chain A, domain 1
Homologous superfamily homologous superfamily10 — Hedgehog/Intein (Hint) domain
Domain ID domain_id1vdeA02
Class class3 — Alpha Beta
Architecture architecture10 — Roll
Topology topology28 — Endonuclease I-creI
Homologous superfamily homologous superfamily10 — Homing endonucleases
Domain ID domain_id1vdeA03
Class class3 — Alpha Beta
Architecture architecture10 — Roll
Topology topology28 — Endonuclease I-creI
Homologous superfamily homologous superfamily10 — Homing endonucleases
Domain ID domain_id1vdeB01
Class class2 — Mainly Beta
Architecture architecture170 — Beta Complex
Topology topology16 — Endonuclease - Pi-scei; Chain A, domain 1
Homologous superfamily homologous superfamily10 — Hedgehog/Intein (Hint) domain
Domain ID domain_id1vdeB02
Class class3 — Alpha Beta
Architecture architecture10 — Roll
Topology topology28 — Endonuclease I-creI
Homologous superfamily homologous superfamily10 — Homing endonucleases
Domain ID domain_id1vdeB03
Class class3 — Alpha Beta
Architecture architecture10 — Roll
Topology topology28 — Endonuclease I-creI
Homologous superfamily homologous superfamily10 — Homing endonucleases

8. Citations (3)

9. Files and Curves (10)