7av6

FAST in a domain-swapped dimer form

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

Photoactive yellow protein

Halorhodospira halophila

UniProt P16113

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein homooligomer Homooligomer Protein 2 FORMIC ACID × 4 water × 2 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name PYP_HALHA
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–125; UniProt 1–125

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_id7av6
Deposition date deposition_date2020-11-04
Structure title titleFAST in a domain-swapped dimer form
Keywords keywordsfluorescence, fluorogen, fluorogen-activating protein, fluorescent labelling, FAST, FLUORESCENT PROTEIN; FLUORESCENT 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.

7av6__assembly_1__model_1

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

Download this curve (.dat)

7av6__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.

7av6__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)20.70 Å
Rg (electron density)20.08 Å
Total Rg21.01 Å
Atom count1474
Residues198
Excluded volume26212 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 7av6__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 (3)

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6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd7av6a1
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.110 — Profilin-like
Superfamily Superfamily superfamilyd.110.3 — PYP-like sensor domain (PAS domain)
Family Family familyd.110.3.1 — PYP-like
Domain ID domain_idd7av6a2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
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7. Citations (1)