1v13

CRYSTAL STRUCTURE OF THE MUTANT HIS103ALA OF THE COLICIN E9 DNASE DOMAIN IN COMPLEX WITH ZN+2 (2.0 ANGSTROMS)

Method: X-RAY DIFFRACTION Dmax: 63.0 Å Quality: GOOD

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

COLICIN E9

ESCHERICHIA COLI

UniProt P09883

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 450–582 Chain B; UniProt 450–582 Mutation:YES ZN ZINC ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:pH 5.8;pH 5.80 Resolution 2.00 Å R-free 0.307

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.

24 other PDB entries and 42 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name CEA9_ECOLI
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 2–134; UniProt 450–582 Author chain B; PDBConstruct 2–134; UniProt 450–582

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 1v13

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1v13
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1v13
Deposition date deposition_date2004-04-06
Structure title titleCRYSTAL STRUCTURE OF THE MUTANT HIS103ALA OF THE COLICIN E9 DNASE DOMAIN IN COMPLEX WITH ZN+2 (2.0 ANGSTROMS)
Keywords keywordsHOMING ENDONUCLEASES, COLICINS, BETA-BETA-ALPHA METAL ANTIBIOTIC, BACTERIOCIN, HYDROLASE, ENDONUCLEASE MOTIF, H-N-H MOTIF; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier19.38
Radius of gyration Rg (electron density) rg_electron18.63
Forward intensity I(0) i014234500.00
Molecular weight molecular_weight27224.0 kDa
Excluded volume excluded_volume33657 ų
Envelope volume envelope_volume40180 ų
Hydration-shell volume shell_volume18300 ų
Envelope diameter envelope_diameter62.9
Shell Rg shell_rg24.59
Envelope Rg envelope_rg18.82
Shape Rg shape_rg18.60
Total Rg total_rg19.59
Total atoms total_atoms1916
Residues n_residues246
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 dmax63.0
Rg (real space) rg_real19.34
Rg uncertainty (real space) rg_real_error0.32
I(0) (real space) i0_real1.4230e+07
I(0) uncertainty (real space) i0_real_error1.8040e+05
Rg (reciprocal space) rg_reciprocal19.35
I(0) (reciprocal space) i0_reciprocal14230000.0000
Solution quality estimate total_estimate0.8841
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary22.2
Skewness Skewness skewness0.335
Kurtosis Kurtosis kurtosis-0.308
Angular range angular_range— – 0.4100 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha3912000.0000
Real-space data points n_real_points72
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.834; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.997; Smooth: 0.990

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1v13a_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.4 — His-Me finger endonucleases
Superfamily Superfamily superfamilyd.4.1 — His-Me finger endonucleases
Family Family familyd.4.1.1 — HNH-motif
Domain ID domain_idd1v13b_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.4 — His-Me finger endonucleases
Superfamily Superfamily superfamilyd.4.1 — His-Me finger endonucleases
Family Family familyd.4.1.1 — HNH-motif

CATH v4.4 (2 domains)

Domain ID domain_id1v13A00
Class class3 — Alpha Beta
Architecture architecture90 — Alpha-Beta Complex
Topology topology540 — Colicin E7 immunity protein; Chain B, fragment: Endonuclease domain
Homologous superfamily homologous superfamily10 — Colicin/pyocin, DNase domain
Domain ID domain_id1v13B00
Class class3 — Alpha Beta
Architecture architecture90 — Alpha-Beta Complex
Topology topology540 — Colicin E7 immunity protein; Chain B, fragment: Endonuclease domain
Homologous superfamily homologous superfamily10 — Colicin/pyocin, DNase domain

8. Citations (2)

9. Files and Curves (10)