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2bs0

MS2 (N87AE89K mutant) - Variant Qbeta RNA hairpin complex

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

COAT PROTEIN

BACTERIOPHAGE MS2

UniProt P03612

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–RNA Homooligomer Protein 180 RNA 120 ;5'-R(*AP*UP*GP*CP*AP*UP*GP*UP*CP*UP *AP*AP*GP*AP*CP*UP*GP*CP*AP*U)-3' ; × 120 water × 180 Consistent with all polymers
2 Protein–RNA Homooligomer Protein 3 RNA 2 ;5'-R(*AP*UP*GP*CP*AP*UP*GP*UP*CP*UP *AP*AP*GP*AP*CP*UP*GP*CP*AP*U)-3' ; × 2 water × 3 Consistent with all polymers
3 Protein–RNA Homooligomer Protein 15 RNA 10 ;5'-R(*AP*UP*GP*CP*AP*UP*GP*UP*CP*UP *AP*AP*GP*AP*CP*UP*GP*CP*AP*U)-3' ; × 10 water × 15 Consistent with all polymers
4 Protein–RNA Homooligomer Protein 18 RNA 12 ;5'-R(*AP*UP*GP*CP*AP*UP*GP*UP*CP*UP *AP*AP*GP*AP*CP*UP*GP*CP*AP*U)-3' ; × 12 water × 18 Consistent with all polymers
5 Protein–RNA Homooligomer Protein 3 RNA 2 ;5'-R(*AP*UP*GP*CP*AP*UP*GP*UP*CP*UP *AP*AP*GP*AP*CP*UP*GP*CP*AP*U)-3' ; × 2 water × 3 Consistent with all polymers
6 Protein–RNA Homooligomer Protein 180 RNA 120 ;5'-R(*AP*UP*GP*CP*AP*UP*GP*UP*CP*UP *AP*AP*GP*AP*CP*UP*GP*CP*AP*U)-3' ; × 120 water × 180 Consistent with all polymers

Other States of the Same Protein in the Database

Monomer

None

Homodimer
1msc 2vtu 2vtu 9oh5 9oh5

5 assemblies

Homotetramer

None

Other homooligomers
1bms 1bms 1bms 1bms 1bms 1bms 1mst 1mst 1mst 1mst 1mst 1mst

47 assemblies; showing the first 12

Heteromeric or nucleic-acid complex
1aq3 1aq3 1aq3 1aq3 1aq3 1aq3 1aq4 1aq4 1aq4 1aq4 1aq4 1aq4

157 assemblies; showing the first 12

View Construct and Data Evidence
UniProt name COAT_BPMS2
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–129； UniProt 1–129 Author chain B； PDBConstruct 1–129； UniProt 1–129 Author chain C； PDBConstruct 1–129； UniProt 1–129

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_id2bs0
Deposition date deposition_date2005-05-13
Structure title titleMS2 (N87AE89K mutant) - Variant Qbeta RNA hairpin complex
Keywords keywords;VIRUS/RNA, CAPSID, COMPLEX (CAPSID PROTEIN-RNA HAIRPIN), HAIRPIN, LEVIVIRUS, VIRUS/VIRAL PROTEIN/RNA, RNA-BINDING, STRUCTURAL PROTEIN, VIRUS COAT PROTEIN, ICOSAHEDRAL VIRUS, VIRUS-RNA complex ;; VIRUS/RNA
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.

2bs0__assembly_1__model_1

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

Download this curve (.dat)

2bs0__assembly_1__model_1 | I(q)

10-2 10-1 106 107 108 109 1010 1011 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

2bs0__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）0.00 Å
Rg (electron density)119.90 Å
Total Rg119.70 Å
Atom count199620
Residues24480
Excluded volume3467200 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 2bs0__assembly_1__model_1 300-MERIC （300） Success 4.1.3-1-20251215 (887e7ef) View Download
2 1 2bs0__assembly_2__model_1 pentameric （5） Excluded — —
Exclusion reason： Auxiliary symmetry representation; not a complete or representative biological assembly.
3 1 2bs0__assembly_3__model_1 25-meric （25） Excluded — —
Exclusion reason： Auxiliary symmetry representation; not a complete or representative biological assembly.
4 1 2bs0__assembly_4__model_1 30-meric （30） Excluded — —
Exclusion reason： Auxiliary symmetry representation; not a complete or representative biological assembly.
5 1 2bs0__assembly_5__model_1 pentameric （5） Excluded — —
Exclusion reason： Auxiliary symmetry representation; not a complete or representative biological assembly.
6 1 2bs0__assembly_6__model_1 300-meric （300） Excluded — —
Exclusion reason： Auxiliary symmetry representation; not a complete or representative biological assembly.
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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) 3 domains

CATH v4.4 (3 domains)

Domain ID domain_id2bs0A00
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology380 — MS2 Viral Coat Protein
Homologous superfamily homologous superfamily10 — MS2 Viral Coat Protein
Domain ID domain_id2bs0B00
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology380 — MS2 Viral Coat Protein
Homologous superfamily homologous superfamily10 — MS2 Viral Coat Protein
Domain ID domain_id2bs0C00
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology380 — MS2 Viral Coat Protein
Homologous superfamily homologous superfamily10 — MS2 Viral Coat Protein
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7. Citations (1)