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1l1i

Solution Structure of the Tenebrio molitor Antifreeze Protein

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

Thermal hysteresis protein isoform YL-1 (2-14)

Tenebrio molitor

UniProt O16119

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

Monomer
1l1i

1 assemblies

Homodimer
1ezg

1 assemblies

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex

None

View Construct and Data Evidence
UniProt name O16119_TENMO
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–84； UniProt 29–112

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_id1l1i
Deposition date deposition_date2002-02-16
Structure title titleSolution Structure of the Tenebrio molitor Antifreeze Protein
Keywords keywordsbeta-helix, Antifreeze protein; ANTIFREEZE PROTEIN
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.

1l1i__assembly_1__model_10

Assembly 1 · Model 10 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

1l1i__assembly_1__model_10 | I(q)

10-2 10-1 104 105 106 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

1l1i__assembly_1__model_10 | 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）13.13 Å
Rg (electron density)12.49 Å
Total Rg13.39 Å
Atom count1057
Residues84
Excluded volume9586 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1l1i__assembly_1__model_1 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 2 1l1i__assembly_1__model_2 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 3 1l1i__assembly_1__model_3 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 4 1l1i__assembly_1__model_4 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 5 1l1i__assembly_1__model_5 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 6 1l1i__assembly_1__model_6 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 7 1l1i__assembly_1__model_7 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 8 1l1i__assembly_1__model_8 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 9 1l1i__assembly_1__model_9 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 10 1l1i__assembly_1__model_10 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 11 1l1i__assembly_1__model_11 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 12 1l1i__assembly_1__model_12 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 13 1l1i__assembly_1__model_13 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 14 1l1i__assembly_1__model_14 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 15 1l1i__assembly_1__model_15 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 16 1l1i__assembly_1__model_16 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 17 1l1i__assembly_1__model_17 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 18 1l1i__assembly_1__model_18 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 19 1l1i__assembly_1__model_19 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
1 20 1l1i__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) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd1l1ia_
Class classb — All beta proteins
Fold Fold foldb.80 — Single-stranded right-handed beta-helix
Superfamily Superfamily superfamilyb.80.2 — Insect cysteine-rich antifreeze protein
Family Family familyb.80.2.1 — Insect cysteine-rich antifreeze protein

CATH v4.4 (1 domains)

Domain ID domain_id1l1iA00
Class class2 — Mainly Beta
Architecture architecture160 — 3 Solenoid
Topology topology20 — Pectate Lyase C-like
Homologous superfamily homologous superfamily50 — Insect antifreeze protein
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7. Citations (1)