2i5s

Crystal structure of onconase with bound nucleic acid

Method: X-RAY DIFFRACTION
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1. Protein Identity and Related Structures Protein Identity & Related Structures

P-30 protein

Rana pipiens

UniProt P22069

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–DNA Monomer Protein 1 DNA 1 5'-D(*A*(DU)P*GP*A)-3' × 1 water × 2 Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name RNP30_RANPI
Isoform —
PDB entities 1
Chains and sequence ranges Author chain X; PDBConstruct 1–104; UniProt 1–104

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.

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2. Structure Basics 2. Structure Basics

Entry ID entry_id2i5s
Deposition date deposition_date2006-08-25
Structure title titleCrystal structure of onconase with bound nucleic acid
Keywords keywords;Onconase, P-30 protein, ribonuclease, anti-tumor, Structural Genomics, PSI-2, Protein Structure Initiative, Center for Eukaryotic Structural Genomics, CESG, HYDROLASE-DNA COMPLEX ;; HYDROLASE/DNA
Experimental Method methodX-RAY DIFFRACTION
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3. Official assembly/model SAXS Official SAXS Profiles

This page reads only the latest assembly calculations. Every curve maps to an explicit PDB entry, official biological assembly and coordinate model.

2i5s__assembly_1__model_1

Assembly 1 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

2i5s__assembly_1__model_1 | I(q)

10-2 10-1 105 106 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

2i5s__assembly_1__model_1 | P(r) · Pending

The new assembly/model P(r) has not been calculated yet This placeholder does not display legacy data r (Angstrom) P(r)
P(r) will be calculated and displayed separately for the same assembly/model.
Rg(Guinier)14.61 Å
Rg (electron density)13.55 Å
Total Rg14.81 Å
Atom count867
Residues106
Excluded volume15335 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 2i5s__assembly_1__model_1 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
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4. Crystallography and Experiment 4. Crystallography & Experiment

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5. Entities and Polymers Entities & Polymers (3)

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6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd2i5sx_
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 (1 domains)

Domain ID domain_id2i5sX00
Class class3 — Alpha Beta
Architecture architecture10 — Roll
Topology topology130 — P-30 Protein
Homologous superfamily homologous superfamily10 — Ribonuclease A-like domain
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7. Citations (1)