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2uwm

C-TERMINAL DOMAIN(WH2-WH4) OF ELONGATION FACTOR SELB IN COMPLEX WITH SECIS RNA

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

SELENOCYSTEINE-SPECIFIC ELONGATION FACTOR

MOORELLA THERMOACETICA

UniProt Q2RFK4

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–RNA Homooligomer Protein 2 RNA 2 ;5'-R(*GP*GP*CP*GP*UP*UP*GP*CP*CP*GP *GP*UP*CP*UP*GP*GP*CP*AP*AP*CP*GP*CP*C)-3' ; × 2 water × 4 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
2uwm

1 assemblies

View Construct and Data Evidence
UniProt name Q2RFK4_MOOTA
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–258； UniProt 377–634 Author chain B； PDBConstruct 1–258； UniProt 377–634

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_id2uwm
Deposition date deposition_date2007-03-22
Structure title titleC-TERMINAL DOMAIN(WH2-WH4) OF ELONGATION FACTOR SELB IN COMPLEX WITH SECIS RNA
Keywords keywordsPROTEIN BIOSYNTHESIS, TRANSLATION, GTP-BINDING, NUCLEOTIDE- BINDING, SELENOCYSTEINE-SPECIFIC ELONGATION FACTOR; TRANSLATION
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.

2uwm__assembly_1__model_1

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

Download this curve (.dat)

2uwm__assembly_1__model_1 | I(q)

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

2uwm__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）27.74 Å
Rg (electron density)27.91 Å
Total Rg28.32 Å
Atom count4232
Residues442
Excluded volume71721 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 2uwm__assembly_1__model_1 tetrameric （4） 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) 10 domains

SCOP 2.08 (6 domains)

Domain ID domain_idd2uwma1
Class classa — All alpha proteins
Fold Fold folda.4 — DNA/RNA-binding 3-helical bundle
Superfamily Superfamily superfamilya.4.5 — 'Winged helix' DNA-binding domain
Family Family familya.4.5.35 — C-terminal fragment of elongation factor SelB
Domain ID domain_idd2uwma2
Class classa — All alpha proteins
Fold Fold folda.4 — DNA/RNA-binding 3-helical bundle
Superfamily Superfamily superfamilya.4.5 — 'Winged helix' DNA-binding domain
Family Family familya.4.5.35 — C-terminal fragment of elongation factor SelB
Domain ID domain_idd2uwma3
Class classa — All alpha proteins
Fold Fold folda.4 — DNA/RNA-binding 3-helical bundle
Superfamily Superfamily superfamilya.4.5 — 'Winged helix' DNA-binding domain
Family Family familya.4.5.35 — C-terminal fragment of elongation factor SelB
Domain ID domain_idd2uwmb1
Class classa — All alpha proteins
Fold Fold folda.4 — DNA/RNA-binding 3-helical bundle
Superfamily Superfamily superfamilya.4.5 — 'Winged helix' DNA-binding domain
Family Family familya.4.5.35 — C-terminal fragment of elongation factor SelB
Domain ID domain_idd2uwmb2
Class classa — All alpha proteins
Fold Fold folda.4 — DNA/RNA-binding 3-helical bundle
Superfamily Superfamily superfamilya.4.5 — 'Winged helix' DNA-binding domain
Family Family familya.4.5.35 — C-terminal fragment of elongation factor SelB
Domain ID domain_idd2uwmb3
Class classa — All alpha proteins
Fold Fold folda.4 — DNA/RNA-binding 3-helical bundle
Superfamily Superfamily superfamilya.4.5 — 'Winged helix' DNA-binding domain
Family Family familya.4.5.35 — C-terminal fragment of elongation factor SelB

CATH v4.4 (4 domains)

Domain ID domain_id2uwmA01
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology10 — Arc Repressor Mutant, subunit A
Homologous superfamily homologous superfamily2770 —
Domain ID domain_id2uwmA02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology10 — Arc Repressor Mutant, subunit A
Homologous superfamily homologous superfamily10 — Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain
Domain ID domain_id2uwmB01
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology10 — Arc Repressor Mutant, subunit A
Homologous superfamily homologous superfamily2770 —
Domain ID domain_id2uwmB02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology10 — Arc Repressor Mutant, subunit A
Homologous superfamily homologous superfamily10 — Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain
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7. Citations (1)