3w9k

Crystal structure of thermoacidophile-specific protein STK_08120 complexed with myristic acid

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

FATTY ACID-BINDING PROTEIN

Sulfolobus tokodaii

UniProt Q973T5

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein monomer Monomer Protein 1 MYRISTIC ACID × 1 water × 1 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name Q973T5_SULTO
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 4–139; UniProt 1–136

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_id3w9k
Deposition date deposition_date2013-04-05
Structure title titleCrystal structure of thermoacidophile-specific protein STK_08120 complexed with myristic acid
Keywords keywordsHelix-Grip Fold, Fatty Acid Binding, LIPID BINDING PROTEIN; LIPID BINDING PROTEIN
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.

3w9k__assembly_1__model_1

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

Download this curve (.dat)

3w9k__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.

3w9k__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)15.82 Å
Rg (electron density)14.51 Å
Total Rg15.83 Å
Atom count1114
Residues135
Excluded volume20261 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 3w9k__assembly_1__model_1 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 (3)

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6. Fold Classification (SCOP + CATH) 1 domains

CATH v4.4 (1 domains)

Domain ID domain_id3w9kA00
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology530 — Alpha-D-Glucose-1,6-Bisphosphate; Chain A, domain 4
Homologous superfamily homologous superfamily20 — START domain
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7. Citations (1)