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.
Explore 4AS8 in 3D Show helices and sheets RCSB PDB PDBe
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.
| Element | Residues | Length | Sheet |
|---|---|---|---|
| α-helix | 4-8 | 5 | |
| β-strand | 11-22 | 12 | 1 |
| β-strand | 25-36 | 12 | 1 |
| α-helix | 37-39 | 3 | |
| β-strand | 41-48 | 8 | 1 |
| α-helix | 57-60 | 4 | |
| α-helix | 69-71 | 3 | |
| β-strand | 73 | 1 | 1 |
| α-helix | 76-81 | 6 | |
| α-helix | 83-86 | 4 | |
| β-strand | 92-100 | 9 | 1 |
| β-strand | 105-115 | 11 | 1 |
| β-strand | 118-128 | 11 | 1 |
| β-strand | 141 | 1 | 2 |
| β-strand | 146-155 | 10 | 1 |
| α-helix | 156-158 | 3 | |
| β-strand | 160-170 | 11 | 1 |
| β-strand | 171 | 1 | 2 |
| β-strand | 176-187 | 12 | 1 |
| α-helix | 195-197 | 3 | |
| β-strand | 199-208 | 10 | 1 |
| β-strand | 217-227 | 11 | 1 |
| Molecule | Chains | Type | Length | Organism | UniProt |
|---|---|---|---|---|---|
| Green fluorescent protein | A | protein | 243 | AEQUOREA VICTORIA | P42212 (AlphaFold model) |
>4AS8_1 GREEN FLUORESCENT PROTEIN (chains A) MVSKGEELFTGVVPILVELDGDVNGHKFSVSGEGEGDATYGKLTLKFICTTGKLPVPWPT LVTTLTWGVQCFARYPDHMKQHDFFKSAMPEGYVQERTIFFKDDGNYKTRAEVKFEGDTL VNRIELKGIDFKEDGNILGHKLEYNAISDNVYITADKQKNGIKANFKIRHNIEDGSVQLA DHYQQNTPIGDGPVLLPDNHYLSTQSALSKDPNEKRDHMVLLEFVTAAGITLGMDELYKH HHHHH
| ID | Name | Formula | Copies |
|---|---|---|---|
| MG | Magnesium ion | Mg | 1 |
Water and common crystallization additives (EDO) are not listed.
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:
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