4AS8: Green fluorescent protein

X-ray structure of the cyan fluorescent protein Cerulean cryoprotected with ethylene glycol. Determined by X-ray diffraction at 1.02 Å resolution. Released 31 Oct 2012.

Method
X-ray diffraction
Resolution
1.02 Å
Organism
AEQUOREA VICTORIA
Chains
1
Atoms
2,303
Mol. weight
28.33 kDa
Ligands
MG
Released
31 Oct 2012

Explore 4AS8 in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

4AS8 contains 8 α-helices and 14 β-strands across 1 chain. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.

Chain A: 8 helices, 14 β-strands

ElementResiduesLengthSheet
α-helix4-85
β-strand11-22121
β-strand25-36121
α-helix37-393
β-strand41-4881
α-helix57-604
α-helix69-713
β-strand7311
α-helix76-816
α-helix83-864
β-strand92-10091
β-strand105-115111
β-strand118-128111
β-strand14112
β-strand146-155101
α-helix156-1583
β-strand160-170111
β-strand17112
β-strand176-187121
α-helix195-1973
β-strand199-208101
β-strand217-227111

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Green fluorescent proteinAprotein243AEQUOREA VICTORIAP42212 (AlphaFold model)
Sequence of entity 1 (A), FASTA
>4AS8_1 GREEN FLUORESCENT PROTEIN (chains A)
MVSKGEELFTGVVPILVELDGDVNGHKFSVSGEGEGDATYGKLTLKFICTTGKLPVPWPT
LVTTLTWGVQCFARYPDHMKQHDFFKSAMPEGYVQERTIFFKDDGNYKTRAEVKFEGDTL
VNRIELKGIDFKEDGNILGHKLEYNAISDNVYITADKQKNGIKANFKIRHNIEDGSVQLA
DHYQQNTPIGDGPVLLPDNHYLSTQSALSKDPNEKRDHMVLLEFVTAAGITLGMDELYKH
HHHHH

Ligands and cofactors

IDNameFormulaCopies
MGMagnesium ionMg1

Water and common crystallization additives (EDO) are not listed.

Primary citation

Alteration of Fluorescent Protein Spectroscopic Properties Upon Cryoprotection. von Stetten, D., Batot, G., Noirclerc-Savoye, M. et al. Acta Crystallogr D Biol Crystallogr (2012) 68:1578. DOI 10.1107/S0907444912037900 · PubMed

Other PDB entries of the same protein (UniProt P42212 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

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