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1ns5

X-RAY STRUCTURE OF YBEA FROM E.COLI. NORTHEAST STRUCTURAL GENOMICS RESEARCH CONSORTIUM (NESG) TARGET ER45

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

Hypothetical protein ybeA

Escherichia coli

UniProt P0A8I8

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein homooligomer Homooligomer Protein 2 water × 2 Consistent with protein count

Other States of the Same Protein in the Database

Monomer

None

Homodimer
1ns5 5zyo 5zyo 7cem 7cf7 7cfy 7cfy

7 assemblies

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex

None

View Construct and Data Evidence
UniProt name YBEA_ECOLI
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–155； UniProt 1–155 Author chain B； PDBConstruct 1–155； UniProt 1–155

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_id1ns5
Deposition date deposition_date2003-01-27
Structure title titleX-RAY STRUCTURE OF YBEA FROM E.COLI. NORTHEAST STRUCTURAL GENOMICS RESEARCH CONSORTIUM (NESG) TARGET ER45
Keywords keywordsStructural Genomics, PSI, Protein Structure Initiative, Northeast Structural Genomics Consortium, NESG, Unknown Function; Structural Genomics, Unknown Function
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.

1ns5__assembly_1__model_1

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

Download this curve (.dat)

1ns5__assembly_1__model_1 | I(q)

10-2 10-1 105 106 107 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

1ns5__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）21.35 Å
Rg (electron density)20.10 Å
Total Rg21.13 Å
Atom count2423
Residues300
Excluded volume43646 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1ns5__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 (2)

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6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1ns5a_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.116 — alpha/beta knot
Superfamily Superfamily superfamilyc.116.1 — alpha/beta knot
Family Family familyc.116.1.3 — YbeA-like
Domain ID domain_idd1ns5b_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.116 — alpha/beta knot
Superfamily Superfamily superfamilyc.116.1 — alpha/beta knot
Family Family familyc.116.1.3 — YbeA-like

CATH v4.4 (2 domains)

Domain ID domain_id1ns5A00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology1280 — Alpha/beta knot
Homologous superfamily homologous superfamily10 — SPOUT methyltransferase, trefoil knot domain
Domain ID domain_id1ns5B00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology1280 — Alpha/beta knot
Homologous superfamily homologous superfamily10 — SPOUT methyltransferase, trefoil knot domain
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7. Citations (1)