2h7a

NMR Structure of the Conserved Protein YcgL from Escherichia coli representing the DUF709 Family Reveals a Novel a/b/a Sandwich Fold

Method: SOLUTION NMR
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1. Protein Identity and Related Structures Protein Identity & Related Structures

Hypothetical protein ycgL

Escherichia coli

UniProt Q2LD68

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein monomer Monomer Protein 1 No other associated polymer Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name Q2LD68_ECOLI
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 3–110; UniProt 1–108

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_id2h7a
Deposition date deposition_date2006-06-01
Structure title titleNMR Structure of the Conserved Protein YcgL from Escherichia coli representing the DUF709 Family Reveals a Novel a/b/a Sandwich Fold
Keywords keywords;Mixed ALPHA/BETA/ALPHA Sandwich Structure, 3-layer (alpha/beta/alpha) sandwich, beta-Sheet Layer Antiparallel 3124 topology, Structural Genomics, Montreal-Kingston Bacterial Structural Genomics Initiative, BSGI, UNKNOWN FUNCTION ;; STRUCTURAL GENOMICS, UNKNOWN FUNCTION
Experimental Method methodSOLUTION NMR
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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.

2h7a__assembly_1__model_20

Assembly 1 · Model 20 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

2h7a__assembly_1__model_20 | I(q)

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

2h7a__assembly_1__model_20 | 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)18.18 Å
Rg (electron density)17.21 Å
Total Rg18.41 Å
Atom count1789
Residues110
Excluded volume15899 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 2h7a__assembly_1__model_1 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 2 2h7a__assembly_1__model_2 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 3 2h7a__assembly_1__model_3 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 4 2h7a__assembly_1__model_4 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 5 2h7a__assembly_1__model_5 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 6 2h7a__assembly_1__model_6 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 7 2h7a__assembly_1__model_7 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 8 2h7a__assembly_1__model_8 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 9 2h7a__assembly_1__model_9 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 10 2h7a__assembly_1__model_10 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 11 2h7a__assembly_1__model_11 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 12 2h7a__assembly_1__model_12 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 13 2h7a__assembly_1__model_13 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 14 2h7a__assembly_1__model_14 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 15 2h7a__assembly_1__model_15 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 16 2h7a__assembly_1__model_16 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 17 2h7a__assembly_1__model_17 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 18 2h7a__assembly_1__model_18 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 19 2h7a__assembly_1__model_19 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 20 2h7a__assembly_1__model_20 monomeric (1) 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 (1)

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6. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd2h7aa1
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.350 — YcgL-like
Superfamily Superfamily superfamilyd.350.1 — YcgL-like
Family Family familyd.350.1.1 — YcgL-like
Domain ID domain_idd2h7aa2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags

CATH v4.4 (1 domains)

Domain ID domain_id2h7aA01
Class class3 — Alpha Beta
Architecture architecture10 — Roll
Topology topology510 — NE1680-like fold
Homologous superfamily homologous superfamily20 — YcgL domain
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7. Citations (1)