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4wal

Crystal structure of selenomethionine Msl5 protein in complex with RNA at 2.2 A

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

Branchpoint-bridging protein

Saccharomyces cerevisiae

UniProt Q12186

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–RNA Monomer Protein 1 RNA 1 ;RNA (5'-R(P*UP*AP*CP*UP*AP*AP*CP*A)-3') ; × 1 SULFATE ION × 1 GLYCEROL × 1 CHLORIDE ION × 1 water × 2 Consistent with all polymers
2 Protein–RNA Homooligomer Protein 8 RNA 8 ;RNA (5'-R(P*UP*AP*CP*UP*AP*AP*CP*A)-3') ; × 8 SULFATE ION × 8 GLYCEROL × 8 CHLORIDE ION × 8 water × 16 Consistent with all polymers

Other States of the Same Protein in the Database

Monomer

None

Homodimer

None

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
3fma 3fma 3fma 3fma 3fma 4wal 4wal 4wan

8 assemblies

View Construct and Data Evidence
UniProt name BBP_YEAST
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 2–129； UniProt 144–271

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_id4wal
Deposition date deposition_date2014-08-29
Structure title titleCrystal structure of selenomethionine Msl5 protein in complex with RNA at 2.2 A
Keywords keywordsMsl5, BBP, RNA binding, yeast pre-mRNA splicing, PROTEIN BINDING-RNA complex; PROTEIN BINDING/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.

4wal__assembly_1__model_1

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

Download this curve (.dat)

4wal__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.

4wal__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）16.64 Å
Rg (electron density)15.55 Å
Total Rg16.44 Å
Atom count1125
Residues132
Excluded volume19421 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 4wal__assembly_1__model_1 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
2 1 4wal__assembly_2__model_1 hexadecameric （16） 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 (6)

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6. Fold Classification (SCOP + CATH) 1 domains

CATH v4.4 (1 domains)

Domain ID domain_id4walA00
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology1370 — Ribosomal Protein S8; Chain: A, domain 1
Homologous superfamily homologous superfamily10 — K Homology domain, type 1
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7. Citations (1)