3bco

Crystal Structure of The Swapped FOrm of P19A/L28Q/N67D BS-RNase

Method: X-RAY DIFFRACTION Dmax: 74.8 Å Quality: GOOD

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

Seminal ribonuclease

Bos taurus

UniProt P00669

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 27–150 Chain B; UniProt 27–150 Mutation:P19A, L28Q, N67D No other associated polymer X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6.5;277 K;28% w/v PEG 8000, 0.2M SODIUM ACETATE, 0.1M CACODILATE pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K Resolution 2.25 Å R-free 0.250

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.

20 other PDB entries and 25 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name RNS_BOVIN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–124; UniProt 27–150 Author chain B; PDBConstruct 1–124; UniProt 27–150

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 3bco

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 3bco
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2. Structure Basics 2. Structure Basics

Entry ID entry_id3bco
Deposition date deposition_date2007-11-13
Structure title titleCrystal Structure of The Swapped FOrm of P19A/L28Q/N67D BS-RNase
Keywords keywords;domain swapping, bovine seminal ribonuclease, non covalent dimer, antitumor activity, Allosteric enzyme, Endonuclease, Hydrolase, Secreted ;; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier20.93
Radius of gyration Rg (electron density) rg_electron20.91
Forward intensity I(0) i015655700.00
Molecular weight molecular_weight27217.0 kDa
Excluded volume excluded_volume33067 ų
Envelope volume envelope_volume40319 ų
Hydration-shell volume shell_volume17338 ų
Envelope diameter envelope_diameter73.0
Shell Rg shell_rg26.13
Envelope Rg envelope_rg21.09
Shape Rg shape_rg20.91
Total Rg total_rg21.61
Total atoms total_atoms1880
Residues n_residues248
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 dmax74.8
Rg (real space) rg_real21.12
Rg uncertainty (real space) rg_real_error0.65
I(0) (real space) i0_real1.5660e+07
I(0) uncertainty (real space) i0_real_error2.0870e+05
Rg (reciprocal space) rg_reciprocal21.09
I(0) (reciprocal space) i0_reciprocal15660000.0000
Solution quality estimate total_estimate0.8200
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary21.7
Skewness Skewness skewness0.613
Kurtosis Kurtosis kurtosis0.024
Angular range angular_range— – 0.3800 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha2974000.0000
Real-space data points n_real_points70
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.663; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.776; Smooth: 0.890

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (2)

7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd3bcoa_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.5 — RNase A-like
Superfamily Superfamily superfamilyd.5.1 — RNase A-like
Family Family familyd.5.1.1 — Ribonuclease A-like
Domain ID domain_idd3bcob_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.5 — RNase A-like
Superfamily Superfamily superfamilyd.5.1 — RNase A-like
Family Family familyd.5.1.1 — Ribonuclease A-like

CATH v4.4 (2 domains)

Domain ID domain_id3bcoA00
Class class3 — Alpha Beta
Architecture architecture10 — Roll
Topology topology130 — P-30 Protein
Homologous superfamily homologous superfamily10 — Ribonuclease A-like domain
Domain ID domain_id3bcoB00
Class class3 — Alpha Beta
Architecture architecture10 — Roll
Topology topology130 — P-30 Protein
Homologous superfamily homologous superfamily10 — Ribonuclease A-like domain

8. Citations (7)

9. Files and Curves (10)