4kw8

Crystal Structure of Green Fluorescent Protein

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

Green fluorescent protein

Aequorea victoria

UniProt P42212

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein monomer Monomer Protein 1 NICKEL (II) ION × 1 water × 1 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name GFP_AEQVI
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 5–239; UniProt 2–238

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_id4kw8
Deposition date deposition_date2013-05-23
Structure title titleCrystal Structure of Green Fluorescent Protein
Keywords keywordsbeta barrel, fluorescent protein, chromophore; 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.

4kw8__assembly_1__model_1

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

Download this curve (.dat)

4kw8__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.

4kw8__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)17.90 Å
Rg (electron density)16.57 Å
Total Rg17.59 Å
Atom count3268
Residues222
Excluded volume30143 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 4kw8__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) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd4kw8a_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.22 — GFP-like
Superfamily Superfamily superfamilyd.22.1 — GFP-like
Family Family familyd.22.1.1 — Fluorescent proteins

CATH v4.4 (1 domains)

Domain ID domain_id4kw8A00
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology155 — Green Fluorescent Protein
Homologous superfamily homologous superfamily10 — Green fluorescent protein
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7. Citations (1)